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LED Driver - LED Driver ICs 
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High-brightness LED drivers are integrated circuits that are optimized to efficiently drive strings of high-brightness LEDs. Maxim's continually expanding portfolio includes products covering the full range of efficient switch-mode topologies (step-down, step-up, SEPIC) as well as some linear LED drivers.
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MAX25606 6-Switch Matrix Manager for Automotive Lighting
The MAX25606 6-switch matrix manager IC for automotive lighting applications includes a 6-switch...
- Automotive Ready: AEC-Q100 Qualified
- Six-Switch Matrix Manager Allows for Flexible Configuration
- Single and Dual-String Configurations
- Up to 6 Switches in Series for Single String
- Up to 3 Switches in Series in Dual-String
- Up to 3 LEDs per Switch
- Robust Serial Interface
- Multidrop UART Communication Interface
- Up to 64 Addressable Devices
- Compatible with CAN Physical Layer
- Optimal PWM Dimming Arrangement Provides Excellent Dimming Performance
- Programmable 12-Bit PWM Dimming
- Fade Transition Between PWM Dimming States
- Internal Clock Generator or External Clock for PWM Dimming
- EMI Mitigation
- Programmable Slew Rate for EMI Control
- Integrated Spread Spectrum Frequency Dithering
- Protection Features and Package Improve Reliability
- Open-LED Protection
- Programmable Open and Short-LED Threshold
- Open and Shorted-LED Fault Reporting
- Open Trace Fault Reporting
- Thermally Enhanced 20-Pin Side Wettable TQFN and 20-Pin TSSOP with Exposed Pad
MAX25512 Automotive 4-Channel Low-Voltage 120mA LED Backlight Driver with Integrated Boost Converter
The MAX25512 is a four-channel white LED backlight driver with an integrated current-mode boost ...
- Operates Down to 3V on Battery Input After Startup
- Wide Boost Duty Cycle to Support Low Input Voltage
- Boost or SEPIC Current-Mode DC/DC Controller
- 400kHz to 2.2MHz Operating Frequency Range
- Spread Spectrum Available
- Ability to Synchronize to an External Clock
- LED Current Sinks
- Up to 120mA Output Current per String
- Low OUT_ Regulation Voltage for Best Efficiency
- Optional Phase-Shifting of Outputs
- I2C Control for Enhanced Flexibility
- 16667:1 Dimming Ratio at 200Hz
- NTC Input For LED Current Foldback at High Temperature
- Hybrid Dimming Capable
- Built-in Programmable Automatic Fading Functionality
- Detailed Diagnostic using I2C and FLTB Output
- Shorted or Open LEDs
- Thermal Shutdown
- Output Undervoltage
- Compact 4x4mm TQFN Package
- AECQ100 Grade 1
MAX20446C Automotive 6-Channel Backlight Driver with Boost/SEPIC Controller and Hybrid Dimming
The MAX20446 is a 6-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 6-Channel Solution Including Boost Controller
- All Settings Performed with External Components, No Need for Microcontroller Intervention
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Versatile Dimming Scheme Allows Hybrid or PWM Dimming
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Fault Protection
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN Package
MAX25530 Automotive I2C-Controlled 4-Channel 150mA Backlight Driver and 4-Output TFT-LCD Bias
The MAX25530 is a highly integrated TFT power supply and LED backlight driver IC for automotive ...
- 4-Output TFT-LCD Bias Power
- 2.8V to 5.5V Input for the TFT-LCD Section
- Integrated 430kHz or 2.2MHz Boost and Buck-Boost Converters
- Positive and Negative 10mA Gate Voltage Regulators (Tripler/Inverting Doubler) with Adjustable Output Voltage
- Flexible Resistor-Programmable Sequencing through the SEQ Pin
- Undervoltage Detection on All Outputs
- Low-Quiescent-Current Standby Mode
- 4-Channel LED Backlight Driver
- Up to 150mA Current per Channel
- 4.5V to 42V Input Voltage Range
- Integrated Boost/SEPIC Controller (440kHz or 2.2MHz)
- Dimming Ratio 10,000:1 at 200Hz
- Adaptive Voltage Optimization to Reduce Power Dissipation in the LED Current Sinks
- Open-String, Shorted-LED, and Short-to-GND Diagnostics
- Low EMI
- Phase-Shift Dimming of LED Strings
- Spread Spectrum on LED Driver and TFT
- Selectable Switching Frequency
- I2C Interface for Control and Diagnostics
- Fault Indication through the FLTB pin and I2C
- Auto-Retry after Fault Detection
- Overload and Thermal Protection
- -40°C to +105°C Ambient Temperature Operation
- 40-Pin (6mm x 6mm) TQFN Package with Exposed Pad
- AECQ100 Grade 1
MAX20446B Automotive 6-Channel Backlight Driver with Boost/SEPIC Controller and I2C Interface
The MAX20446 is a 6-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 6-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN Package
MAX20069B Automotive I2C-Controlled 4-Channel 150mA Backlight Driver and 4-Output TFT-LCD Bias
The MAX20069B is a highly integrated TFT power supply and LED backlight driver IC for automotive...
- 4-Output TFT-LCD Bias Power
- 2.8V to 5.5V Input for the TFT-LCD Section
- Integrated 440kHz or 2.2MHz Boost and Buck-Boost Converters
- Positive and Negative 3mA Gate Voltage Regulators with Adjustable Output Voltage
- Flexible Resistor-Programmable Sequencing through the SEQ Pin
- Undervoltage Detection on All Outputs
- Low-Quiescent-Current Standby Mode
- 4-Channel LED Backlight Driver
- Up to 150mA Current per Channel
- 4.5V to 42V Input Voltage Range
- Integrated Boost/SEPIC Controller (440kHz or 2.2MHz)
- Dimming Ratio 10,000:1 at 200Hz
- Adaptive Voltage Optimization to Reduce Power Dissipation in the LED Current Sinks
- Open-String, Shorted-LED, and Short-to-GND Diagnostics
- Low EMI
- Phase-Shift Dimming of LED Strings
- Spread Spectrum on LED Driver and TFT
- Selectable Switching Frequency with Fine-Tuning via I2C
- I2C Interface for Control and Diagnostics
- Fault Indication through the FLTB pin and I2C
- Overload and Thermal Protection
- -40°C to +105°C Ambient Temperature Operation
- 40-Pin (6mm x 6mm) TQFN Package with Exposed Pad
MAX25613 Automotive Infrared LED Controller
The MAX25613 is a single-channel, high-current IR LED driver for automotive Driver Monitoring Sy...
- High-Current IR LED Driver with Reduced Peak Current on the Battery Harness
- Maxim Proprietary Control Architecture
- Protection Features Increase System Reliability
- LED Short-to-Battery, Short-to-Ground Protection
- LED String Open Protection
- Thermal Protection
- Fault Diagnosis through Fault Flag
- Automotive Ready
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX25605 6-Switch Sequential LED Controller For Automotive Lighting Systems
The MAX25605 is a six-channel automotive sequential LED controller. The device implements a sequ...
- Flexible Dimming Configuration Provides Optimal Performance without a Microcontroller or Software
- Simple Resistor Programming for Sequence Timing and Direction.
- Hazard Light Applications
- Sync Pin Allows Sequencing of up to 16 Devices
- Optional Logarithmic LED Fade
- Flexible Configuration Allows the Use of the Same Device in Different Applications
- One, Two, or Three Series LEDs per Switch
- Floating Source MOSFETs
- EMI Reduction
- Spread-Spectrum Oscillator
- Slew Rate Control Minimizes LED Current Spikes
- Protection Features and Package Improve Reliability
- Single-LED Short, Open, and Open-Trace Detection
- Thermal Shutdown and Fault Flag
- Automotive Ready
- AEC-Q100 Qualified
- -40°C to +125°C Operating Temperature Range
MAX25014 Automotive Low Input Voltage I2C 4-Channel 150mA Backlight Driver
The MAX25014 is a 4-channel backlight driver IC with boost controller for automotive displays. T...
- Wide Voltage-Range Operation
- Operates Down to 2.5V Supply After Startup
- Survives Load Dumps Up to 40V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- nMOS Input Protection Switch
- Multiple Diagnostic Features
- LED-Current Measurement
- Boost Output Voltage Measurement
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10,000:1 Using Hybrid Dimming
- 10,000:1 Dimming Ratio at 200Hz Using PWM Dimming
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX25612B Automotive Synchronous High Voltage LED Controller
The MAX25612/MAX25612B is a single-channel high-brightness LED (HB LED) driver for automotive fr...
- Integration Minimizes BOM and Cost
- +5.0V to +48V Wide Input Voltage Range with a Maximum +65V Boost Output
- Integrated pMOS Dimming FET Driver
- ICTRL Input for Analog Dimming
- Integrated High-Side Current-Sense Amplifier
- 200Hz Ramp Generator Simplifies PWM Dimming
- Simple to Optimize for Efficiency, Board Space, and Input Operating Range
- Synchronous MOSFET Driver Improves Efficiencyby up to 5% for High-Current Boost, Buck-Boost, and High-Side Buck Applications
- Programmable Switching Frequency (200kHz to 2.2MHz)
- 20-Pin TSSOP Package with Exposed Pad and Thermally Enhanced 4mm x 4mm, 20-Pin Side-Wettable TQFN Packages
- Protection Features Increase System Reliability
- Short Circuit, Overvoltage and Thermal Protection
- Fault Diagnosis through Fault Flag
- Automotive Ready
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX25612 Automotive Synchronous High Voltage LED Controller
The MAX25612/MAX25612B is a single-channel high-brightness LED (HB LED) driver for automotive fr...
- Integration Minimizes BOM and Cost
- +5.0V to +48V Wide Input Voltage Range with a Maximum +65V Boost Output
- Integrated pMOS Dimming FET Driver
- ICTRL Input for Analog Dimming
- Integrated High-Side Current-Sense Amplifier
- 200Hz Ramp Generator Simplifies PWM Dimming
- Simple to Optimize for Efficiency, Board Space, and Input Operating Range
- Synchronous MOSFET Driver Improves Efficiencyby up to 5% for High-Current Boost, Buck-Boost, and High-Side Buck Applications
- Programmable Switching Frequency (200kHz to 2.2MHz)
- 20-Pin TSSOP Package with Exposed Pad and Thermally Enhanced 4mm x 4mm, 20-Pin Side-Wettable TQFN Packages
- Protection Features Increase System Reliability
- Short Circuit, Overvoltage and Thermal Protection
- Fault Diagnosis through Fault Flag
- Automotive Ready
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX25600 Synchronous High Voltage 4 Switch Buck Boost LED Controller
The MAX25600 is a synchronous 4-switch buck-boost LED driver controller. The controller regulate...
- Automotive Ready: AEC-Q100 Qualified
- Integration Minimizes BOM for High-Brightness LED Driver, Saving Space and Reducing Cost
- Wide Input-Voltage Range from 5V to 60V
- H-Bridge Single Inductor Buck-Boost Architecture
- Constant-Current and Constant-Voltage Regulation
- 28-pin TSSOP with EP Pad and 28-pin(5mm x 5mm) TQFN with EP Pad Packages
- Wide Dimming Ratio allows High Contrast Ratio
- Analog and PWM Dimming
- Flicker-Free PWM Dimming with Spread Spectrum
- Integrated pMOS Dimming FET Gate Driver
- 200Hz On-Board Ramp Simplifies PWM Dimming
- Protection Features and Wide Temperature Range Increase System Reliability
- Short Circuit,Overvoltage, and Thermal Protection
- LED Current Monitor and Input Current Limiter
- -40°C to +125°C Operating Junction-Temperature Range
MAX20444 Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I2C Interface
The MAX20444 is a 4-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX20444B Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I2C Interface
The MAX20444B is a 4-channel backlight driver with boost controller for automotive displays. The...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX25024 Automotive Low Input Voltage I2C 4-Channel 150mA Backlight Driver Supporting ASIL B
The MAX25024 is a 4-channel backlight driver IC with boost controller for automotive displays. T...
- Wide Voltage-Range Operation
- Operates Down to 2.5V Supply After Startup
- Survives Load Dumps Up to 40V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- nMOS Input Protection Switch
- Multiple Features for ASIL B Systems
- LED-Current Measurement
- Boost Input Current Measurement
- Boost Output Voltage Measurement
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10,000:1 Using Hybrid Dimming
- 10,000:1 Dimming Ratio at 200Hz Using PWM Dimming
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX20050 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX20051 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX20052 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX20053 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX25601A Synchronous Boost and Synchronous Buck LED Controllers
The MAX25601A/B/C/D is a synchronous boost controller followed by a synchronous buck LED control...
- Integration Minimizes BOM for High-Brightness LED Driver, Saving Space and Cost
- Wide Input-Voltage Range from 4.5V to 40V
- Wide Boost-Output Range up to 65V
- Programmable Switching Frequency Optimizes Component Size
- External MOSFETs Can be Sized for Appropriate Current
- Synchronous Rectification Provides High Efficiency and Fast Transient Response
- Average Current-Mode Control for Buck Eliminates Compensation Components
- Wide Dimming Ratio Allows High Contrast Ratio
- Analog Dimming and PWM Dimming
- Analog Voltage-Controlled PWM Dimming
- Protection Features and Wide Temperature Range Increase System Reliability
- Short Circuit, Overvoltage, and Thermal Protection
- -40°C to +125°C Operating Temperature Range
MAX25606 6-Switch Matrix Manager for Automotive Lighting
The MAX25606 6-switch matrix manager IC for automotive lighting applications includes a 6-switch...
- Automotive Ready: AEC-Q100 Qualified
- Six-Switch Matrix Manager Allows for Flexible Configuration
- Single and Dual-String Configurations
- Up to 6 Switches in Series for Single String
- Up to 3 Switches in Series in Dual-String
- Up to 3 LEDs per Switch
- Robust Serial Interface
- Multidrop UART Communication Interface
- Up to 64 Addressable Devices
- Compatible with CAN Physical Layer
- Optimal PWM Dimming Arrangement Provides Excellent Dimming Performance
- Programmable 12-Bit PWM Dimming
- Fade Transition Between PWM Dimming States
- Internal Clock Generator or External Clock for PWM Dimming
- EMI Mitigation
- Programmable Slew Rate for EMI Control
- Integrated Spread Spectrum Frequency Dithering
- Protection Features and Package Improve Reliability
- Open-LED Protection
- Programmable Open and Short-LED Threshold
- Open and Shorted-LED Fault Reporting
- Open Trace Fault Reporting
- Thermally Enhanced 20-Pin Side Wettable TQFN and 20-Pin TSSOP with Exposed Pad
MAX25512 Automotive 4-Channel Low-Voltage 120mA LED Backlight Driver with Integrated Boost Converter
The MAX25512 is a four-channel white LED backlight driver with an integrated current-mode boost ...
- Operates Down to 3V on Battery Input After Startup
- Wide Boost Duty Cycle to Support Low Input Voltage
- Boost or SEPIC Current-Mode DC/DC Controller
- 400kHz to 2.2MHz Operating Frequency Range
- Spread Spectrum Available
- Ability to Synchronize to an External Clock
- LED Current Sinks
- Up to 120mA Output Current per String
- Low OUT_ Regulation Voltage for Best Efficiency
- Optional Phase-Shifting of Outputs
- I2C Control for Enhanced Flexibility
- 16667:1 Dimming Ratio at 200Hz
- NTC Input For LED Current Foldback at High Temperature
- Hybrid Dimming Capable
- Built-in Programmable Automatic Fading Functionality
- Detailed Diagnostic using I2C and FLTB Output
- Shorted or Open LEDs
- Thermal Shutdown
- Output Undervoltage
- Compact 4x4mm TQFN Package
- AECQ100 Grade 1
MAX20446C Automotive 6-Channel Backlight Driver with Boost/SEPIC Controller and Hybrid Dimming
The MAX20446 is a 6-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 6-Channel Solution Including Boost Controller
- All Settings Performed with External Components, No Need for Microcontroller Intervention
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Versatile Dimming Scheme Allows Hybrid or PWM Dimming
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Fault Protection
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN Package
MAX25530 Automotive I2C-Controlled 4-Channel 150mA Backlight Driver and 4-Output TFT-LCD Bias
The MAX25530 is a highly integrated TFT power supply and LED backlight driver IC for automotive ...
- 4-Output TFT-LCD Bias Power
- 2.8V to 5.5V Input for the TFT-LCD Section
- Integrated 430kHz or 2.2MHz Boost and Buck-Boost Converters
- Positive and Negative 10mA Gate Voltage Regulators (Tripler/Inverting Doubler) with Adjustable Output Voltage
- Flexible Resistor-Programmable Sequencing through the SEQ Pin
- Undervoltage Detection on All Outputs
- Low-Quiescent-Current Standby Mode
- 4-Channel LED Backlight Driver
- Up to 150mA Current per Channel
- 4.5V to 42V Input Voltage Range
- Integrated Boost/SEPIC Controller (440kHz or 2.2MHz)
- Dimming Ratio 10,000:1 at 200Hz
- Adaptive Voltage Optimization to Reduce Power Dissipation in the LED Current Sinks
- Open-String, Shorted-LED, and Short-to-GND Diagnostics
- Low EMI
- Phase-Shift Dimming of LED Strings
- Spread Spectrum on LED Driver and TFT
- Selectable Switching Frequency
- I2C Interface for Control and Diagnostics
- Fault Indication through the FLTB pin and I2C
- Auto-Retry after Fault Detection
- Overload and Thermal Protection
- -40°C to +105°C Ambient Temperature Operation
- 40-Pin (6mm x 6mm) TQFN Package with Exposed Pad
- AECQ100 Grade 1
MAX20446B Automotive 6-Channel Backlight Driver with Boost/SEPIC Controller and I2C Interface
The MAX20446 is a 6-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 6-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN Package
MAX20069B Automotive I2C-Controlled 4-Channel 150mA Backlight Driver and 4-Output TFT-LCD Bias
The MAX20069B is a highly integrated TFT power supply and LED backlight driver IC for automotive...
- 4-Output TFT-LCD Bias Power
- 2.8V to 5.5V Input for the TFT-LCD Section
- Integrated 440kHz or 2.2MHz Boost and Buck-Boost Converters
- Positive and Negative 3mA Gate Voltage Regulators with Adjustable Output Voltage
- Flexible Resistor-Programmable Sequencing through the SEQ Pin
- Undervoltage Detection on All Outputs
- Low-Quiescent-Current Standby Mode
- 4-Channel LED Backlight Driver
- Up to 150mA Current per Channel
- 4.5V to 42V Input Voltage Range
- Integrated Boost/SEPIC Controller (440kHz or 2.2MHz)
- Dimming Ratio 10,000:1 at 200Hz
- Adaptive Voltage Optimization to Reduce Power Dissipation in the LED Current Sinks
- Open-String, Shorted-LED, and Short-to-GND Diagnostics
- Low EMI
- Phase-Shift Dimming of LED Strings
- Spread Spectrum on LED Driver and TFT
- Selectable Switching Frequency with Fine-Tuning via I2C
- I2C Interface for Control and Diagnostics
- Fault Indication through the FLTB pin and I2C
- Overload and Thermal Protection
- -40°C to +105°C Ambient Temperature Operation
- 40-Pin (6mm x 6mm) TQFN Package with Exposed Pad
MAX25613 Automotive Infrared LED Controller
The MAX25613 is a single-channel, high-current IR LED driver for automotive Driver Monitoring Sy...
- High-Current IR LED Driver with Reduced Peak Current on the Battery Harness
- Maxim Proprietary Control Architecture
- Protection Features Increase System Reliability
- LED Short-to-Battery, Short-to-Ground Protection
- LED String Open Protection
- Thermal Protection
- Fault Diagnosis through Fault Flag
- Automotive Ready
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX25605 6-Switch Sequential LED Controller For Automotive Lighting Systems
The MAX25605 is a six-channel automotive sequential LED controller. The device implements a sequ...
- Flexible Dimming Configuration Provides Optimal Performance without a Microcontroller or Software
- Simple Resistor Programming for Sequence Timing and Direction.
- Hazard Light Applications
- Sync Pin Allows Sequencing of up to 16 Devices
- Optional Logarithmic LED Fade
- Flexible Configuration Allows the Use of the Same Device in Different Applications
- One, Two, or Three Series LEDs per Switch
- Floating Source MOSFETs
- EMI Reduction
- Spread-Spectrum Oscillator
- Slew Rate Control Minimizes LED Current Spikes
- Protection Features and Package Improve Reliability
- Single-LED Short, Open, and Open-Trace Detection
- Thermal Shutdown and Fault Flag
- Automotive Ready
- AEC-Q100 Qualified
- -40°C to +125°C Operating Temperature Range
MAX25014 Automotive Low Input Voltage I2C 4-Channel 150mA Backlight Driver
The MAX25014 is a 4-channel backlight driver IC with boost controller for automotive displays. T...
- Wide Voltage-Range Operation
- Operates Down to 2.5V Supply After Startup
- Survives Load Dumps Up to 40V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- nMOS Input Protection Switch
- Multiple Diagnostic Features
- LED-Current Measurement
- Boost Output Voltage Measurement
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10,000:1 Using Hybrid Dimming
- 10,000:1 Dimming Ratio at 200Hz Using PWM Dimming
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX25612B Automotive Synchronous High Voltage LED Controller
The MAX25612/MAX25612B is a single-channel high-brightness LED (HB LED) driver for automotive fr...
- Integration Minimizes BOM and Cost
- +5.0V to +48V Wide Input Voltage Range with a Maximum +65V Boost Output
- Integrated pMOS Dimming FET Driver
- ICTRL Input for Analog Dimming
- Integrated High-Side Current-Sense Amplifier
- 200Hz Ramp Generator Simplifies PWM Dimming
- Simple to Optimize for Efficiency, Board Space, and Input Operating Range
- Synchronous MOSFET Driver Improves Efficiencyby up to 5% for High-Current Boost, Buck-Boost, and High-Side Buck Applications
- Programmable Switching Frequency (200kHz to 2.2MHz)
- 20-Pin TSSOP Package with Exposed Pad and Thermally Enhanced 4mm x 4mm, 20-Pin Side-Wettable TQFN Packages
- Protection Features Increase System Reliability
- Short Circuit, Overvoltage and Thermal Protection
- Fault Diagnosis through Fault Flag
- Automotive Ready
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX25612 Automotive Synchronous High Voltage LED Controller
The MAX25612/MAX25612B is a single-channel high-brightness LED (HB LED) driver for automotive fr...
- Integration Minimizes BOM and Cost
- +5.0V to +48V Wide Input Voltage Range with a Maximum +65V Boost Output
- Integrated pMOS Dimming FET Driver
- ICTRL Input for Analog Dimming
- Integrated High-Side Current-Sense Amplifier
- 200Hz Ramp Generator Simplifies PWM Dimming
- Simple to Optimize for Efficiency, Board Space, and Input Operating Range
- Synchronous MOSFET Driver Improves Efficiencyby up to 5% for High-Current Boost, Buck-Boost, and High-Side Buck Applications
- Programmable Switching Frequency (200kHz to 2.2MHz)
- 20-Pin TSSOP Package with Exposed Pad and Thermally Enhanced 4mm x 4mm, 20-Pin Side-Wettable TQFN Packages
- Protection Features Increase System Reliability
- Short Circuit, Overvoltage and Thermal Protection
- Fault Diagnosis through Fault Flag
- Automotive Ready
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX25600 Synchronous High Voltage 4 Switch Buck Boost LED Controller
The MAX25600 is a synchronous 4-switch buck-boost LED driver controller. The controller regulate...
- Automotive Ready: AEC-Q100 Qualified
- Integration Minimizes BOM for High-Brightness LED Driver, Saving Space and Reducing Cost
- Wide Input-Voltage Range from 5V to 60V
- H-Bridge Single Inductor Buck-Boost Architecture
- Constant-Current and Constant-Voltage Regulation
- 28-pin TSSOP with EP Pad and 28-pin(5mm x 5mm) TQFN with EP Pad Packages
- Wide Dimming Ratio allows High Contrast Ratio
- Analog and PWM Dimming
- Flicker-Free PWM Dimming with Spread Spectrum
- Integrated pMOS Dimming FET Gate Driver
- 200Hz On-Board Ramp Simplifies PWM Dimming
- Protection Features and Wide Temperature Range Increase System Reliability
- Short Circuit,Overvoltage, and Thermal Protection
- LED Current Monitor and Input Current Limiter
- -40°C to +125°C Operating Junction-Temperature Range
MAX20444 Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I2C Interface
The MAX20444 is a 4-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX20444B Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I2C Interface
The MAX20444B is a 4-channel backlight driver with boost controller for automotive displays. The...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX25024 Automotive Low Input Voltage I2C 4-Channel 150mA Backlight Driver Supporting ASIL B
The MAX25024 is a 4-channel backlight driver IC with boost controller for automotive displays. T...
- Wide Voltage-Range Operation
- Operates Down to 2.5V Supply After Startup
- Survives Load Dumps Up to 40V
- High Integration
- Complete 4-Channel Solution Including Boost Controller
- I2C Control for Minimum Parts Count
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- nMOS Input Protection Switch
- Multiple Features for ASIL B Systems
- LED-Current Measurement
- Boost Input Current Measurement
- Boost Output Voltage Measurement
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I2C
- Dimming Ratio > 10,000:1 Using Hybrid Dimming
- 10,000:1 Dimming Ratio at 200Hz Using PWM Dimming
- Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages
MAX20050 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX20051 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX20052 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX20053 2A Synchronous -Buck LED Drivers with Integrated MOSFETs
The MAX20050–MAX20053 are high-brightness LED (HB LED) drivers for automotive exterior lighting ...
- Automotive Ready: AEC-Q100 Qualified
- Fully Synchronous 2A Step-Down Converter with Integrated 0.14Ω (typ) MOSFETs
- Wide 4.5V to 65V Input Supply Range
- Two Switching Frequency Options: 400kHz and 2.1MHz
- Internal Loop Compensation (MAX20050/MAX20052) and External Loop Compensation (MAX20051/MAX20053/MAX20053D) Options
- Switching Frequency Synchronized to PWM Dimming Signal
- Active-Low Fault (FLT) Indicator
- Output Short-Circuit Protection
- High-Side Current Regulation Eliminates One Connection to LED String
- Spread-Spectrum Mode Alleviates EMI Problems
- Low 200mV Full-Scale High-Side Current-Sense Voltage
- REFI Pin Adjusts LED Current Down to Zero
- PWM Dimming Disconnects Both High- and Low- Side MOSFET Drivers
- 5V, 10mA LDO Output Provides Bias to Other Circuits
- Ultra-Low Shutdown Current (5µA typ)
- Output Overload, Short-Circuit, and Overtemperature Protections
- 12-Pin (3mm x 3mm) TDFN,14-Pin (5mm x 4.4mm) TSSOP, and 24-pin (4mm x 4mm) TQFN Package Options
MAX25601A Synchronous Boost and Synchronous Buck LED Controllers
The MAX25601A/B/C/D is a synchronous boost controller followed by a synchronous buck LED control...
- Integration Minimizes BOM for High-Brightness LED Driver, Saving Space and Cost
- Wide Input-Voltage Range from 4.5V to 40V
- Wide Boost-Output Range up to 65V
- Programmable Switching Frequency Optimizes Component Size
- External MOSFETs Can be Sized for Appropriate Current
- Synchronous Rectification Provides High Efficiency and Fast Transient Response
- Average Current-Mode Control for Buck Eliminates Compensation Components
- Wide Dimming Ratio Allows High Contrast Ratio
- Analog Dimming and PWM Dimming
- Analog Voltage-Controlled PWM Dimming
- Protection Features and Wide Temperature Range Increase System Reliability
- Short Circuit, Overvoltage, and Thermal Protection
- -40°C to +125°C Operating Temperature Range
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