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System power protection ICs prevent field failures and unexpected downtime by mitigating the harmful effects of reverse voltage, hot swap, overvoltage, overcurrent, and overtemperature fault conditions frequently encountered in industrial, medical, e-mobility, and other environments.
Our complete system protection ICs integrate back-to-back MOSFETs for robust protection with nanosecond response times. Our robust, compact solutions feature:
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Power Protection Fundamentals
27:22 April 22, 2019
How to Add Overvoltage and Overcurrent Protection Using the MAX17561—Part I
5:15 September 17, 2018
How to Add Overvoltage and Overcurrent Protection Using the MAX17561—Part II
5:35 September 18, 2018
Application Notes
Design Solutions
Product Guides
Technical Documentation
Blogs
Get More System Power Protection for Less
September 01, 2020
Understand the challenges of protecting the electronic load and the advantages of a high-performance, highly integrated system power protection solution.
5 Ways a MyMaximAir Guitar Gets Real with These Electronic Instruments Account Enhances Productivity
October 17, 2019
Learn how Zivix is delivering accurate battery SOC data on its electronic instruments with Maxim fuel-gauge and power management ICs. Find out more here.
Get High-Speed USB Port Protection for Industrial Voltages
June 05, 2018
The MAX22505 is the market’s only high-speed USB port protection solution that guards data and power lines from 24V AC/40V DC powered industrial equipment.
PUF Technology Protects Against Invasive Attacks
January 11, 2018
Secure authenticators with physically unclonable function (PUF) technology offer the most robust protection against invasive attacks.
Circuit Protection You Might Not Have Thought About
November 16, 2017
Learn ways that circuit protection ICs can protect your electronic designs from solar flare damage.
How Medical Wearables Enhance Quality of Life
September 26, 2017
New technologies are giving us new ways to manage medical conditions. See what two companies have created with Maxim ICs to enhance quality of life.
System Power Protection ICs Selector Guide
| Max Current Limit | VIN | Product | Features | Pin-Package/Size | IC | EV Kit |
|---|---|---|---|---|---|---|
| 250mA | 4.5V to 60V | MAX17612A MAX17612B MAX17612C | Current-Limiter with OV, UV, and Reverse Protection | 10-TDFN-EP 3mm x 3mm | Buy Buy Buy | Buy Buy Buy |
| 1A | 4.5V to 36V | MAX17523 | Current-Limiter with OV, UV, and Reverse Protection | 16-TQFN 3mm x 3mm | Buy | Buy |
| 4.5V to 60V | MAX17608 MAX17609 MAX17610 | Current-Limiter with OV, UV, and Reverse Protection | 12-TDFN-EP 3mm x 3mm | Buy Buy Buy | Buy Buy Buy | |
| 2A | 5.5V to 60V | MAX14721 MAX14722 MAX14723 | Current-Limiter with OV, UV, and Reverse Protection | 20-TQFN 5mm x 5mm | Buy Buy Buy | Buy |
| 3A | 4.5V to 60V | MAX17613A MAX17613B MAX17613C | Current-Limiter with OV, UV, and Reverse Protection | 20-TQFN-EP 4mm x 4mm | Buy Buy Buy | Buy Buy Buy |
| 4.2A | 4.5V to 36V | MAX17561 MAX17562 MAX17563 | Current-Limiter with OV, UV, and Reverse Protection | 14-TSSOP 5mm x 6.5mm | Buy Buy Buy | Buy |
| 6A | 5.5V to 60V | MAX17525 | Current-Limiter with OV, UV, Reverse Protection, and Power Limit with External P-FET | 20-TQFN 5mm x 5mm | Buy | Buy |
| 5.5V to 60V | MAX17526A | Current-Limiter with OV, UV, Reverse Protection, and Power Limit with External N-FET | 20-TQFN 5mm x 5mm | Buy | Buy |
Featured Products
MAX16550B Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16550A/MAX16550B are protection ICs with an integrated low-resistance MOSFET and lossless...
- Three Options:
- MAX16550A: 30A Protection with 8A Startup
- MAX16550B: 30A Protection with 16A Startup
- High-Density (4mm x 4.5mm for 30A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring
- Integrated Power MOSFET with 1.9mΩ Total Resistance in 12V Power Path (RDS(ON) Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Suppy)
- Enables Advanced System Power Management—PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting with High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation < 5µs
- Fail-Safe Safe OCP Provides Isolation < 250ns
MAX16550A Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16550A/MAX16550B are protection ICs with an integrated low-resistance MOSFET and lossless...
- Three Options:
- MAX16550A: 30A Protection with 8A Startup
- MAX16550B: 30A Protection with 16A Startup
- High-Density (4mm x 4.5mm for 30A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring
- Integrated Power MOSFET with 1.9mΩ Total Resistance in 12V Power Path (RDS(ON) Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Suppy)
- Enables Advanced System Power Management—PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting with High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation < 5µs
- Fail-Safe Safe OCP Provides Isolation < 250ns
MAX16171EVKIT Evaluation Kit for the MAX16171
The MAX16171 EV kit is designed to evaluate the MAX16171, an ideal diode controller that protect...
- 4V to 57V Operating Voltage Range
- Shutdown Mode Jumper
- -40°C to +125°C Temperature Range
- Lead(Pb)-Free and RoHS Compliant
- Proven PCB Layout
- Fully Assembled and Tested
MAX16141AEVKIT Evaluation Kit for the MAX16141A
The MAX16141A evaluation kit (EV kit) is a complete, fully assembled, and tested ideal diode con...
- 8.6V Undervoltage Threshold and 36.2V Overvoltage Threshold
- Optional TVS Footprint Facilitates Automotive Transients Testing
- Output Short Circuit Protection
- Proven 2-Layer 2oz Copper PCB Layout
- Demonstrates Compact Solution Size
- Fully Assembled and Tested
MAX16171 Ideal Diode Controller with Reverse-Current Protection
The MAX16171 is an ideal diode controller that protects the load against damaging automotive tra...
- -42V to +76V Protection Range
- Relaxes TVS Diodes Requirements
- 4V to 57V Operating Range
- Accommodates Wide Automotive Supply Rails
- 9V Gate Drive Voltage with Respect to SRC
- Reduces MOSFET Power Dissipation
- Enable Input
- Provides On-the-Fly System Control
- 1µA Shutdown Current
- Extends Battery Life
- 600ns Reverse-Current Blocking Time with 10mV Overdrive
- Extends System Operation Time During Power Interruption
- -40°C to +125°C Automotive Temperature Range
- 2mm x 3mm, Side-Wettable TDFN Package
MAX20333N Adjustable Current-Limit Switch with Low Power Mode
The MAX20333/A/B/C/D/E/F/G/H/I/J/K/L/M/N programmable current-limit switches feature internal cu...
- Flexible Operation
- Wide Range of Programmable Current Limit (0.2A to 4.75A)
- Wide Operating Range: 3.5V to 22V (MAX20333/A/ B/C/D/E/F/G/H/I/J/K), 3.3V to 22V (MAX20333L/M/ N)
- Three Different Current-Limit Modes: NM, HCM, LPM
- Three Different Current-Limit Behaviors: Autoretry, Latchoff, Continuous
- Power Good Input
- Current Monitoring
- Safe Operation
- Precision Current Limit
- Output Short Protection
- Thermal Protection
- Flag Output
- UL 2367 Recognized–File No. E211395
- MAX20333/A/F/G Only
- 4.9A/100W Maximum
- Power Savings
- Low Power Mode (LPM) with Output Short Protection
MAX20333M Adjustable Current-Limit Switch with Low Power Mode
The MAX20333/A/B/C/D/E/F/G/H/I/J/K/L/M/N programmable current-limit switches feature internal cu...
- Flexible Operation
- Wide Range of Programmable Current Limit (0.2A to 4.75A)
- Wide Operating Range: 3.5V to 22V (MAX20333/A/ B/C/D/E/F/G/H/I/J/K), 3.3V to 22V (MAX20333L/M/ N)
- Three Different Current-Limit Modes: NM, HCM, LPM
- Three Different Current-Limit Behaviors: Autoretry, Latchoff, Continuous
- Power Good Input
- Current Monitoring
- Safe Operation
- Precision Current Limit
- Output Short Protection
- Thermal Protection
- Flag Output
- UL 2367 Recognized–File No. E211395
- MAX20333/A/F/G Only
- 4.9A/100W Maximum
- Power Savings
- Low Power Mode (LPM) with Output Short Protection
MAX20333L Adjustable Current-Limit Switch with Low Power Mode
The MAX20333/A/B/C/D/E/F/G/H/I/J/K/L/M/N programmable current-limit switches feature internal cu...
- Flexible Operation
- Wide Range of Programmable Current Limit (0.2A to 4.75A)
- Wide Operating Range: 3.5V to 22V (MAX20333/A/ B/C/D/E/F/G/H/I/J/K), 3.3V to 22V (MAX20333L/M/ N)
- Three Different Current-Limit Modes: NM, HCM, LPM
- Three Different Current-Limit Behaviors: Autoretry, Latchoff, Continuous
- Power Good Input
- Current Monitoring
- Safe Operation
- Precision Current Limit
- Output Short Protection
- Thermal Protection
- Flag Output
- UL 2367 Recognized–File No. E211395
- MAX20333/A/F/G Only
- 4.9A/100W Maximum
- Power Savings
- Low Power Mode (LPM) with Output Short Protection
MAX20084EVSYS Evaluation Kit for the MAX20084
The MAX20084 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to e...
- 4.5V to 28V Wide Input Voltage Range (40V Load-Dump Tolerant)
- 2-Channel LDO/Switch
- Adjustable Output Voltage using I2C
- Output Current Monitoring
- Analog Output
- I2C ADC
- Open-Drain Fault Indicator
- High-Voltage Enable Control Input (EN)
- Proven PCB Layout
- Fully Assembled and Tested
MAX20313 500mA to 6A Adjustable Current-Limit Switches
The MAX20313–MAX20316 programmable current-limit switches feature internal current limiting to p...
- Reliable Protection
- Adjustable Current Limit (500mA to 6A)
- Accurate ±5% Overload Current Limit (2A to 6A)
- Current Monitoring
- Low RON 10mΩ (typ)
- Reverse Current Protection
- Short-Circuit Protection
- Thermal Shutdown Protection
- Space Saving
- 12-Bump 0.4mm Pitch 1.68mm x 1.48mm WLP
MAX16141 3.5V to 36V Ideal Diode Controllers with Voltage and Current Circuit Breaker
The MAX16141/MAX16141A, ideal diode controllers, provide system protection against a variety of ...
- Wide Voltage Range
- 3.5V to 36V Operating Voltage Range
- -36V to +60V Protection Voltage Range
- Eliminates Discrete Diode Power Dissipation
- 5µA (typ) Shutdown Mode Current Reduces Battery Drain
- Sleep Mode Provides up to 400µA Load Current
- TERM Switch Reduces Power Consumption
- Isolates Failed Supply from Load
- Bidirectional Current Blocking on Open
- Bidirectional Voltage Blocking on Open
- Current Protection
- Factory-Adjustable Overcurrent Trip Thresholds
- Factory-Adjustable Reverse-Current Trip Thresholds
- Resistor Adjustable Overvoltage and Undervoltage Trip Thresholds
- Automotive Qualified
- Operates down to +3.5V, Riding out Cold-Crank Conditions
- -40°C to +125°C Operating Temperature Range
- N-Channel MOSFET Gate Driver of VIN + 9V
- Fault Output
- UVLO, OVLO, Overcurrent, Reverse-Current, Battery Reversal, and Thermal Shutdown
- AEC-Q100 Qualified MAX16141AAF/V+T
MAX16141A 3.5V to 36V Ideal Diode Controllers with Voltage and Current Circuit Breaker
The MAX16141/MAX16141A, ideal diode controllers, provide system protection against a variety of ...
- Wide Voltage Range
- 3.5V to 36V Operating Voltage Range
- -36V to +60V Protection Voltage Range
- Eliminates Discrete Diode Power Dissipation
- 5µA (typ) Shutdown Mode Current Reduces Battery Drain
- Sleep Mode Provides up to 400µA Load Current
- TERM Switch Reduces Power Consumption
- Isolates Failed Supply from Load
- Bidirectional Current Blocking on Open
- Bidirectional Voltage Blocking on Open
- Current Protection
- Factory-Adjustable Overcurrent Trip Thresholds
- Factory-Adjustable Reverse-Current Trip Thresholds
- Resistor Adjustable Overvoltage and Undervoltage Trip Thresholds
- Automotive Qualified
- Operates down to +3.5V, Riding out Cold-Crank Conditions
- -40°C to +125°C Operating Temperature Range
- N-Channel MOSFET Gate Driver of VIN + 9V
- Fault Output
- UVLO, OVLO, Overcurrent, Reverse-Current, Battery Reversal, and Thermal Shutdown
- AEC-Q100 Qualified MAX16141AAF/V+T
MAX17526C 5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
The Olympus series of ICs are the industry's smallest and robust integrated system protection so...
- Robust Protection Reduces System Downtime
- Wide Input-Supply Range: +5.5V to +60V
- Active Power Limit to Protect Supply or Load (MAX17526A)
- Programmable Input Overvoltage Setting up to 40V
- Negative Input Fault Tolerant (with External NFET)
- Reverse Current Protection (with External NFET)
- Low RON Internal NFET (30mΩ typ)
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX17526A)
- 1.5x Startup Current (MAX17526B)
- 2.0x Startup Current (MAX17526C)
- Fast Startup and Brownout Recovery
- Continuous Current-Limit During Startup
- Thermal Foldback Current-Limit
- Flexible Design to Maximize Reuse and Minimize Requalification
- Adjustable UVLO and OVLO Thresholds
- ±8.5% Accurate Programmable Current Limit from 0.6A to 6.0A Over Full Temperature Range
- Programmable Overcurrent Response: Continuous, Autoretry, and Latch-Off Modes
- Logic Level and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External NFET Gate Drive
- Reduced Solution Footprint
- 20-Pin 5mm x 5mm TQFN-EP Package
- Integrated NFET for Common-Use Protection Requirements
MAX17526A 5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
The Olympus series of ICs are the industry's smallest and robust integrated system protection so...
- Robust Protection Reduces System Downtime
- Wide Input-Supply Range: +5.5V to +60V
- Active Power Limit to Protect Supply or Load (MAX17526A)
- Programmable Input Overvoltage Setting up to 40V
- Negative Input Fault Tolerant (with External NFET)
- Reverse Current Protection (with External NFET)
- Low RON Internal NFET (30mΩ typ)
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX17526A)
- 1.5x Startup Current (MAX17526B)
- 2.0x Startup Current (MAX17526C)
- Fast Startup and Brownout Recovery
- Continuous Current-Limit During Startup
- Thermal Foldback Current-Limit
- Flexible Design to Maximize Reuse and Minimize Requalification
- Adjustable UVLO and OVLO Thresholds
- ±8.5% Accurate Programmable Current Limit from 0.6A to 6.0A Over Full Temperature Range
- Programmable Overcurrent Response: Continuous, Autoretry, and Latch-Off Modes
- Logic Level and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External NFET Gate Drive
- Reduced Solution Footprint
- 20-Pin 5mm x 5mm TQFN-EP Package
- Integrated NFET for Common-Use Protection Requirements
MAX17526B 5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
The Olympus series of ICs are the industry's smallest and robust integrated system protection so...
- Robust Protection Reduces System Downtime
- Wide Input-Supply Range: +5.5V to +60V
- Active Power Limit to Protect Supply or Load (MAX17526A)
- Programmable Input Overvoltage Setting up to 40V
- Negative Input Fault Tolerant (with External NFET)
- Reverse Current Protection (with External NFET)
- Low RON Internal NFET (30mΩ typ)
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX17526A)
- 1.5x Startup Current (MAX17526B)
- 2.0x Startup Current (MAX17526C)
- Fast Startup and Brownout Recovery
- Continuous Current-Limit During Startup
- Thermal Foldback Current-Limit
- Flexible Design to Maximize Reuse and Minimize Requalification
- Adjustable UVLO and OVLO Thresholds
- ±8.5% Accurate Programmable Current Limit from 0.6A to 6.0A Over Full Temperature Range
- Programmable Overcurrent Response: Continuous, Autoretry, and Latch-Off Modes
- Logic Level and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External NFET Gate Drive
- Reduced Solution Footprint
- 20-Pin 5mm x 5mm TQFN-EP Package
- Integrated NFET for Common-Use Protection Requirements
MAX22505 ±40V High-Speed USB Port Protector
The MAX22505 is designed to protect a USB port on commercial and industrial equipment against da...
- Robust Communications
- Integrated ±50V dc Protection for VBUS/GND
- Integrated ±40.7V dc Protection for D+/D-
- Thermal Shutdown Protected
- -40°C to +105°C Operating Temperature
- High Performance
- High (480Mb), Full (12Mb), and Low (1.5Mb) Speed Capable
- 3.0V to 5.5V Supply Voltage
- 4Ω (typ) VBUS/D+/D- channel resistance
- 1Ω (max) GND Channel Resistance
- High-Speed USB Disable Mode Allowing Operation with High Common Mode Voltages
- Flexibility
- Transparent to USB Operation Speeds
- Configurationless USB Host or Device Protection
- Optional External MOSFET driver for VBUS and GND Paths
- Supports USB OTG
- Simpler Than USB Isolation
MAX17523EVKIT Evaluation Kit for the MAX17523
The MAX17523 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
- 4.5V to 36V Operating Voltage Range
- Features TVS Diode and Schottky Diode
- Evaluates Three Current-Limit Types, Current-Limit Threshold, OVLO, and UVLO
- Proven PCB Layout
- Fully Assembled and Tested
MAX16545C Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16545B/C is a circuit-breaker protection IC with an integrated low-resistance MOSFET and ...
- High Density (6.5mm × 4mm for 60A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring (Integrated Power MOSFET with 0.95mΩ Total Resistance in 12V Power Path (RDSON), Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Supply)
- Enables Advanced System Power Management
- PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting With High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation< 5µs.
- Fail-Safe Safe OCP Provides Isolation < 250ns.
MAX16545B Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16545B/C is a circuit-breaker protection IC with an integrated low-resistance MOSFET and ...
- High Density (6.5mm × 4mm for 60A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring (Integrated Power MOSFET with 0.95mΩ Total Resistance in 12V Power Path (RDSON), Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Supply)
- Enables Advanced System Power Management
- PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting With High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation< 5µs.
- Fail-Safe Safe OCP Provides Isolation < 250ns.
MAX15162 8V to 60V Smart Dual 1.5A Circuit Breaker with Accurate Current Monitoring
The MAX15162/MAX15162A devices are dual-channel circuit-breaker ICs. The devices integrate a dua...
- 8V to 60V Wide Input Voltage Range
- Integrated Dual-Power MOSFET
- Turn-On Resistance 140mΩ (WLP), 180mΩ (TQFN) MOSFET
- Dual-Channel Independent or Parallel Mode Configuration
- ± 3% Accuracy Current Reporting on Individual Channel
- Enable Inputs for Individual Channels
- Constant Power Control at Startup
- Startup Watchdog Timer
- Startup IN-to-OUT Short Protection
- Undervoltage-Lockout
- Overcurrent and Overtemperature Fault Status indication
- Multilevel Overcurrent Limit Protection
- Built in Thermal Shutdown Protection
- Programmable Current Limiting Level
- Programmable Overcurrent Shut-down Delay time
- Programmable Auto-Retry Time (MAX15162A)
- Latch Off in a Fault Event (MAX15162)
- Auto-retry in a Fault Event (MAX15162A)
- 24-pin, 4mm x 4mm TQFN or 16-bump, 2mm x 2mm WLP
MAX16550B Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16550A/MAX16550B are protection ICs with an integrated low-resistance MOSFET and lossless...
- Three Options:
- MAX16550A: 30A Protection with 8A Startup
- MAX16550B: 30A Protection with 16A Startup
- High-Density (4mm x 4.5mm for 30A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring
- Integrated Power MOSFET with 1.9mΩ Total Resistance in 12V Power Path (RDS(ON) Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Suppy)
- Enables Advanced System Power Management—PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting with High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation < 5µs
- Fail-Safe Safe OCP Provides Isolation < 250ns
MAX16550A Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16550A/MAX16550B are protection ICs with an integrated low-resistance MOSFET and lossless...
- Three Options:
- MAX16550A: 30A Protection with 8A Startup
- MAX16550B: 30A Protection with 16A Startup
- High-Density (4mm x 4.5mm for 30A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring
- Integrated Power MOSFET with 1.9mΩ Total Resistance in 12V Power Path (RDS(ON) Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Suppy)
- Enables Advanced System Power Management—PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting with High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation < 5µs
- Fail-Safe Safe OCP Provides Isolation < 250ns
MAX16171EVKIT Evaluation Kit for the MAX16171
The MAX16171 EV kit is designed to evaluate the MAX16171, an ideal diode controller that protect...
- 4V to 57V Operating Voltage Range
- Shutdown Mode Jumper
- -40°C to +125°C Temperature Range
- Lead(Pb)-Free and RoHS Compliant
- Proven PCB Layout
- Fully Assembled and Tested
MAX16141AEVKIT Evaluation Kit for the MAX16141A
The MAX16141A evaluation kit (EV kit) is a complete, fully assembled, and tested ideal diode con...
- 8.6V Undervoltage Threshold and 36.2V Overvoltage Threshold
- Optional TVS Footprint Facilitates Automotive Transients Testing
- Output Short Circuit Protection
- Proven 2-Layer 2oz Copper PCB Layout
- Demonstrates Compact Solution Size
- Fully Assembled and Tested
MAX16171 Ideal Diode Controller with Reverse-Current Protection
The MAX16171 is an ideal diode controller that protects the load against damaging automotive tra...
- -42V to +76V Protection Range
- Relaxes TVS Diodes Requirements
- 4V to 57V Operating Range
- Accommodates Wide Automotive Supply Rails
- 9V Gate Drive Voltage with Respect to SRC
- Reduces MOSFET Power Dissipation
- Enable Input
- Provides On-the-Fly System Control
- 1µA Shutdown Current
- Extends Battery Life
- 600ns Reverse-Current Blocking Time with 10mV Overdrive
- Extends System Operation Time During Power Interruption
- -40°C to +125°C Automotive Temperature Range
- 2mm x 3mm, Side-Wettable TDFN Package
MAX20333N Adjustable Current-Limit Switch with Low Power Mode
The MAX20333/A/B/C/D/E/F/G/H/I/J/K/L/M/N programmable current-limit switches feature internal cu...
- Flexible Operation
- Wide Range of Programmable Current Limit (0.2A to 4.75A)
- Wide Operating Range: 3.5V to 22V (MAX20333/A/ B/C/D/E/F/G/H/I/J/K), 3.3V to 22V (MAX20333L/M/ N)
- Three Different Current-Limit Modes: NM, HCM, LPM
- Three Different Current-Limit Behaviors: Autoretry, Latchoff, Continuous
- Power Good Input
- Current Monitoring
- Safe Operation
- Precision Current Limit
- Output Short Protection
- Thermal Protection
- Flag Output
- UL 2367 Recognized–File No. E211395
- MAX20333/A/F/G Only
- 4.9A/100W Maximum
- Power Savings
- Low Power Mode (LPM) with Output Short Protection
MAX20333M Adjustable Current-Limit Switch with Low Power Mode
The MAX20333/A/B/C/D/E/F/G/H/I/J/K/L/M/N programmable current-limit switches feature internal cu...
- Flexible Operation
- Wide Range of Programmable Current Limit (0.2A to 4.75A)
- Wide Operating Range: 3.5V to 22V (MAX20333/A/ B/C/D/E/F/G/H/I/J/K), 3.3V to 22V (MAX20333L/M/ N)
- Three Different Current-Limit Modes: NM, HCM, LPM
- Three Different Current-Limit Behaviors: Autoretry, Latchoff, Continuous
- Power Good Input
- Current Monitoring
- Safe Operation
- Precision Current Limit
- Output Short Protection
- Thermal Protection
- Flag Output
- UL 2367 Recognized–File No. E211395
- MAX20333/A/F/G Only
- 4.9A/100W Maximum
- Power Savings
- Low Power Mode (LPM) with Output Short Protection
MAX20333L Adjustable Current-Limit Switch with Low Power Mode
The MAX20333/A/B/C/D/E/F/G/H/I/J/K/L/M/N programmable current-limit switches feature internal cu...
- Flexible Operation
- Wide Range of Programmable Current Limit (0.2A to 4.75A)
- Wide Operating Range: 3.5V to 22V (MAX20333/A/ B/C/D/E/F/G/H/I/J/K), 3.3V to 22V (MAX20333L/M/ N)
- Three Different Current-Limit Modes: NM, HCM, LPM
- Three Different Current-Limit Behaviors: Autoretry, Latchoff, Continuous
- Power Good Input
- Current Monitoring
- Safe Operation
- Precision Current Limit
- Output Short Protection
- Thermal Protection
- Flag Output
- UL 2367 Recognized–File No. E211395
- MAX20333/A/F/G Only
- 4.9A/100W Maximum
- Power Savings
- Low Power Mode (LPM) with Output Short Protection
MAX20084EVSYS Evaluation Kit for the MAX20084
The MAX20084 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to e...
- 4.5V to 28V Wide Input Voltage Range (40V Load-Dump Tolerant)
- 2-Channel LDO/Switch
- Adjustable Output Voltage using I2C
- Output Current Monitoring
- Analog Output
- I2C ADC
- Open-Drain Fault Indicator
- High-Voltage Enable Control Input (EN)
- Proven PCB Layout
- Fully Assembled and Tested
MAX20313 500mA to 6A Adjustable Current-Limit Switches
The MAX20313–MAX20316 programmable current-limit switches feature internal current limiting to p...
- Reliable Protection
- Adjustable Current Limit (500mA to 6A)
- Accurate ±5% Overload Current Limit (2A to 6A)
- Current Monitoring
- Low RON 10mΩ (typ)
- Reverse Current Protection
- Short-Circuit Protection
- Thermal Shutdown Protection
- Space Saving
- 12-Bump 0.4mm Pitch 1.68mm x 1.48mm WLP
MAX16141 3.5V to 36V Ideal Diode Controllers with Voltage and Current Circuit Breaker
The MAX16141/MAX16141A, ideal diode controllers, provide system protection against a variety of ...
- Wide Voltage Range
- 3.5V to 36V Operating Voltage Range
- -36V to +60V Protection Voltage Range
- Eliminates Discrete Diode Power Dissipation
- 5µA (typ) Shutdown Mode Current Reduces Battery Drain
- Sleep Mode Provides up to 400µA Load Current
- TERM Switch Reduces Power Consumption
- Isolates Failed Supply from Load
- Bidirectional Current Blocking on Open
- Bidirectional Voltage Blocking on Open
- Current Protection
- Factory-Adjustable Overcurrent Trip Thresholds
- Factory-Adjustable Reverse-Current Trip Thresholds
- Resistor Adjustable Overvoltage and Undervoltage Trip Thresholds
- Automotive Qualified
- Operates down to +3.5V, Riding out Cold-Crank Conditions
- -40°C to +125°C Operating Temperature Range
- N-Channel MOSFET Gate Driver of VIN + 9V
- Fault Output
- UVLO, OVLO, Overcurrent, Reverse-Current, Battery Reversal, and Thermal Shutdown
- AEC-Q100 Qualified MAX16141AAF/V+T
MAX16141A 3.5V to 36V Ideal Diode Controllers with Voltage and Current Circuit Breaker
The MAX16141/MAX16141A, ideal diode controllers, provide system protection against a variety of ...
- Wide Voltage Range
- 3.5V to 36V Operating Voltage Range
- -36V to +60V Protection Voltage Range
- Eliminates Discrete Diode Power Dissipation
- 5µA (typ) Shutdown Mode Current Reduces Battery Drain
- Sleep Mode Provides up to 400µA Load Current
- TERM Switch Reduces Power Consumption
- Isolates Failed Supply from Load
- Bidirectional Current Blocking on Open
- Bidirectional Voltage Blocking on Open
- Current Protection
- Factory-Adjustable Overcurrent Trip Thresholds
- Factory-Adjustable Reverse-Current Trip Thresholds
- Resistor Adjustable Overvoltage and Undervoltage Trip Thresholds
- Automotive Qualified
- Operates down to +3.5V, Riding out Cold-Crank Conditions
- -40°C to +125°C Operating Temperature Range
- N-Channel MOSFET Gate Driver of VIN + 9V
- Fault Output
- UVLO, OVLO, Overcurrent, Reverse-Current, Battery Reversal, and Thermal Shutdown
- AEC-Q100 Qualified MAX16141AAF/V+T
MAX17526C 5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
The Olympus series of ICs are the industry's smallest and robust integrated system protection so...
- Robust Protection Reduces System Downtime
- Wide Input-Supply Range: +5.5V to +60V
- Active Power Limit to Protect Supply or Load (MAX17526A)
- Programmable Input Overvoltage Setting up to 40V
- Negative Input Fault Tolerant (with External NFET)
- Reverse Current Protection (with External NFET)
- Low RON Internal NFET (30mΩ typ)
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX17526A)
- 1.5x Startup Current (MAX17526B)
- 2.0x Startup Current (MAX17526C)
- Fast Startup and Brownout Recovery
- Continuous Current-Limit During Startup
- Thermal Foldback Current-Limit
- Flexible Design to Maximize Reuse and Minimize Requalification
- Adjustable UVLO and OVLO Thresholds
- ±8.5% Accurate Programmable Current Limit from 0.6A to 6.0A Over Full Temperature Range
- Programmable Overcurrent Response: Continuous, Autoretry, and Latch-Off Modes
- Logic Level and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External NFET Gate Drive
- Reduced Solution Footprint
- 20-Pin 5mm x 5mm TQFN-EP Package
- Integrated NFET for Common-Use Protection Requirements
MAX17526A 5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
The Olympus series of ICs are the industry's smallest and robust integrated system protection so...
- Robust Protection Reduces System Downtime
- Wide Input-Supply Range: +5.5V to +60V
- Active Power Limit to Protect Supply or Load (MAX17526A)
- Programmable Input Overvoltage Setting up to 40V
- Negative Input Fault Tolerant (with External NFET)
- Reverse Current Protection (with External NFET)
- Low RON Internal NFET (30mΩ typ)
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX17526A)
- 1.5x Startup Current (MAX17526B)
- 2.0x Startup Current (MAX17526C)
- Fast Startup and Brownout Recovery
- Continuous Current-Limit During Startup
- Thermal Foldback Current-Limit
- Flexible Design to Maximize Reuse and Minimize Requalification
- Adjustable UVLO and OVLO Thresholds
- ±8.5% Accurate Programmable Current Limit from 0.6A to 6.0A Over Full Temperature Range
- Programmable Overcurrent Response: Continuous, Autoretry, and Latch-Off Modes
- Logic Level and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External NFET Gate Drive
- Reduced Solution Footprint
- 20-Pin 5mm x 5mm TQFN-EP Package
- Integrated NFET for Common-Use Protection Requirements
MAX17526B 5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
The Olympus series of ICs are the industry's smallest and robust integrated system protection so...
- Robust Protection Reduces System Downtime
- Wide Input-Supply Range: +5.5V to +60V
- Active Power Limit to Protect Supply or Load (MAX17526A)
- Programmable Input Overvoltage Setting up to 40V
- Negative Input Fault Tolerant (with External NFET)
- Reverse Current Protection (with External NFET)
- Low RON Internal NFET (30mΩ typ)
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX17526A)
- 1.5x Startup Current (MAX17526B)
- 2.0x Startup Current (MAX17526C)
- Fast Startup and Brownout Recovery
- Continuous Current-Limit During Startup
- Thermal Foldback Current-Limit
- Flexible Design to Maximize Reuse and Minimize Requalification
- Adjustable UVLO and OVLO Thresholds
- ±8.5% Accurate Programmable Current Limit from 0.6A to 6.0A Over Full Temperature Range
- Programmable Overcurrent Response: Continuous, Autoretry, and Latch-Off Modes
- Logic Level and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External NFET Gate Drive
- Reduced Solution Footprint
- 20-Pin 5mm x 5mm TQFN-EP Package
- Integrated NFET for Common-Use Protection Requirements
MAX22505 ±40V High-Speed USB Port Protector
The MAX22505 is designed to protect a USB port on commercial and industrial equipment against da...
- Robust Communications
- Integrated ±50V dc Protection for VBUS/GND
- Integrated ±40.7V dc Protection for D+/D-
- Thermal Shutdown Protected
- -40°C to +105°C Operating Temperature
- High Performance
- High (480Mb), Full (12Mb), and Low (1.5Mb) Speed Capable
- 3.0V to 5.5V Supply Voltage
- 4Ω (typ) VBUS/D+/D- channel resistance
- 1Ω (max) GND Channel Resistance
- High-Speed USB Disable Mode Allowing Operation with High Common Mode Voltages
- Flexibility
- Transparent to USB Operation Speeds
- Configurationless USB Host or Device Protection
- Optional External MOSFET driver for VBUS and GND Paths
- Supports USB OTG
- Simpler Than USB Isolation
MAX17523EVKIT Evaluation Kit for the MAX17523
The MAX17523 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
- 4.5V to 36V Operating Voltage Range
- Features TVS Diode and Schottky Diode
- Evaluates Three Current-Limit Types, Current-Limit Threshold, OVLO, and UVLO
- Proven PCB Layout
- Fully Assembled and Tested
MAX16545C Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16545B/C is a circuit-breaker protection IC with an integrated low-resistance MOSFET and ...
- High Density (6.5mm × 4mm for 60A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring (Integrated Power MOSFET with 0.95mΩ Total Resistance in 12V Power Path (RDSON), Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Supply)
- Enables Advanced System Power Management
- PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting With High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation< 5µs.
- Fail-Safe Safe OCP Provides Isolation < 250ns.
MAX16545B Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface
The MAX16545B/C is a circuit-breaker protection IC with an integrated low-resistance MOSFET and ...
- High Density (6.5mm × 4mm for 60A): Less than 25% of the Board Area of Conventional Solutions
- Monolithic Integration of Power, Control, and Monitoring (Integrated Power MOSFET with 0.95mΩ Total Resistance in 12V Power Path (RDSON), Including Package)
- Integrated Lossless, Precise Current Sensing
- Integrated LDO Provides VDD Supply (1.8V Bias Supply)
- Enables Advanced System Power Management
- PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
- Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting With High Accuracy
- Programmable Soft-Start for Inrush Current Limiting
- Increases Power-Supply Reliability with IC Self-Protection Features
- Very Fast Fault Detection and Isolation
- VIN to VOUT Short Protection During Startup
- Overtemperature Protection
- Three Levels of Overcurrent Protection
- Programmable Moderate OCP
- Programmable Severe OCP Provides Isolation< 5µs.
- Fail-Safe Safe OCP Provides Isolation < 250ns.
MAX15162 8V to 60V Smart Dual 1.5A Circuit Breaker with Accurate Current Monitoring
The MAX15162/MAX15162A devices are dual-channel circuit-breaker ICs. The devices integrate a dua...
- 8V to 60V Wide Input Voltage Range
- Integrated Dual-Power MOSFET
- Turn-On Resistance 140mΩ (WLP), 180mΩ (TQFN) MOSFET
- Dual-Channel Independent or Parallel Mode Configuration
- ± 3% Accuracy Current Reporting on Individual Channel
- Enable Inputs for Individual Channels
- Constant Power Control at Startup
- Startup Watchdog Timer
- Startup IN-to-OUT Short Protection
- Undervoltage-Lockout
- Overcurrent and Overtemperature Fault Status indication
- Multilevel Overcurrent Limit Protection
- Built in Thermal Shutdown Protection
- Programmable Current Limiting Level
- Programmable Overcurrent Shut-down Delay time
- Programmable Auto-Retry Time (MAX15162A)
- Latch Off in a Fault Event (MAX15162)
- Auto-retry in a Fault Event (MAX15162A)
- 24-pin, 4mm x 4mm TQFN or 16-bump, 2mm x 2mm WLP
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