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Low-power PMICs provide optimized power management for space-constrained applications such as wearables, hearables, sensors, and IoT devices. Low operating current, high-efficiency power conversion, and compact form factors are critical for devices that run primarily on small batteries.

PMICs based on the single-inductor, multiple-output (SIMO) architecture use a single inductor as the energy-storage element for multiple, independent DC outputs. The use of fewer inductors can shrink power supply size as much as 50%. In addition, low quiescent current helps to extend the battery life of your space-constrained designs.

Wearable PMICs offer regulators with single-inductor topologies which maximize efficiency. Multiple ultra-low quiescent current regulators with optimal efficiency minimize overall power consumption and extend battery life. By integrating efficient regulation with battery charging, smart power control, and power-optimized peripherals, wearable PMICS provide many options to create space-optimized solutions for always-on battery-operated devices such as fitness monitors, hearables, smart watches, IoT, and wearable clinical devices.

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Benefits of SIMO Architecture
2:07 September 30, 2020

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Featured Products

MAX20429 Dual 6A High-Efficiency Low Voltage Buck Converter

The MAX20429 is a high-efficiency dual switching regulator that delivers up to 6A (peak) load cu...
  • High-Feature Set in an Ultra-Small Footprint
    • High-Efficiency DC-DC Converter
    • Two Independent Outputs, up to 6A per Output
    • 3.0V to 5.5V Operating Supply Voltage
    • Resistor-Adjustable Output Voltage
    • Optional Factory-Preset Output Voltage
    • 2.1MHz/3.2MHz Options
    • Enable Input
    • Individual Active-Low RESET Outputs
    • Spread-Spectrum Option
    • Peak Current-Mode Architecture
    • 3mm x 3.5mm FCQFN
  • High-Precision
    • 108/92% OV/UV Monitor
    • ±3% OV/UV Accuracy
    • ±1% Output Voltage Accuracy
    • Excellent Load-Transient Performance
    • PWM and SKIP Mode Operation
    • MAXQTM Power Architecture
  • High Efficiency
    • Up to 96% Efficiency 5V to 3.3V
    • Up to 90% Efficiency 5V to 1V
  • -40°C to +125°C Operating Temperature Range
  • AEC-Q100 Qualified
MAX77654 Ultra-Low Power PMIC Featuring Single-Inductor, 3-Output Buck-Boost, 2-LDOs, Power-Path Charger for Small Li+, and Ship Mode

MAX77654 Ultra-Low Power PMIC Featuring Single-Inductor, 3-Output Buck-Boost, 2-LDOs, Power-Path Charger for Small Li+, and Ship Mode

The MAX77654 provides highly-integrated battery charging and power supply solutions for low-powe...
  • Highly Integrated
    • 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
      • Supports Wide Output Voltage Range from 0.8V to 5.5V for all SIMO Channels
    • 2x 100mA LDO/LSW
    • Smart Power Selector™ Li+/Li-Poly Charger
    • 3x GPIO Resources
    • Analog MUX Output for Power Monitoring
    • Factory Ship Mode (< 200nA IQ)
    • Watchdog Timer
  • Low Power
    • 0.3μA Shutdown Current
    • 6μA Operating Current (3 SIMO Channels + 2 LDOs)
  • Charger Optimized for Small Battery Size
    • Programmable Fast-Charge Current from 7.5mA to 300mA
    • Programmable Battery Regulation Voltage from 3.6V to 4.6V
    • Programmable Termination Current from 0.375mA to 45mA
    • JEITA Battery Temperature Monitors Adjust Charge Current and Battery Regulation Voltage for Safe Charging
  • Flexible and Configurable
    • I2C-Compatible Interface and GPIO
    • Factory OTP Options Available
  • Small Size
    • 6.52mm2 Wafer-Level Package (WLP)
    • 30-Bump, 0.4mm Pitch, 6x5 Array
MAX17626 2.7V to 5.5V, 700mA, Synchronous Step-Down Converter with Integrated MOSFETs

MAX17626 2.7V to 5.5V, 700mA, Synchronous Step-Down Converter with Integrated MOSFETs

MAX17625 and MAX17626 are high-frequency synchronous step-down DC-DC converters with integrated ...
  • Easy to Use
    • 2.7V to 5.5V Input
    • Adjustable 0.8V to 3.3V Output
    • ±1% Feedback Accuracy
    • Up to 700mA Output Current
    • Fixed 2MHz or 4MHz Operation
    • 100% Duty-Cycle Operation
    • Internally Compensated
    • All Ceramic Capacitors
  • High Efficiency
    • Selectable PWM- or PFM-Mode of Operation
    • Shutdown Current as Low as 0.1μA (typ)
  • Flexible Design
    • Internal Soft-Start and Prebias Startup
    • Open-Drain Power Good Output (PGOOD Pin)
  • Robust Operation
    • Overtemperature Protection
    • Overcurrent Protection
    • -40°C to +125°C Ambient Operating
    • Temperature/-40°C to +150°C Junction Temperature
MAX17625 2.7V to 5.5V, 700mA, Synchronous Step-Down Converter with Integrated MOSFETs

MAX17625 2.7V to 5.5V, 700mA, Synchronous Step-Down Converter with Integrated MOSFETs

MAX17625 and MAX17626 are high-frequency synchronous step-down DC-DC converters with integrated ...
  • Easy to Use
    • 2.7V to 5.5V Input
    • Adjustable 0.8V to 3.3V Output
    • ±1% Feedback Accuracy
    • Up to 700mA Output Current
    • Fixed 2MHz or 4MHz Operation
    • 100% Duty-Cycle Operation
    • Internally Compensated
    • All Ceramic Capacitors
  • High Efficiency
    • Selectable PWM- or PFM-Mode of Operation
    • Shutdown Current as Low as 0.1μA (typ)
  • Flexible Design
    • Internal Soft-Start and Prebias Startup
    • Open-Drain Power Good Output (PGOOD Pin)
  • Robust Operation
    • Overtemperature Protection
    • Overcurrent Protection
    • -40°C to +125°C Ambient Operating
    • Temperature/-40°C to +150°C Junction Temperature
MAX25540 Automotive 4-Output Display Power Solution

MAX25540 Automotive 4-Output Display Power Solution

The MAX25540 is a 4-channel power-management IC designed to accommodate the main rails used in m...
  • High Integration
    • Complete Display Power Solution from Automotive Battery
    • One High-Voltage 2.1A Buck Converter (3.3V)
    • One High-Voltage 100mA Low-IQ Linear Regulator (3.3V)
    • One Low-Voltage 1.6A Buck Converter (1V)
    • One 175mA Low-Voltage Linear Regulator (1.8V)
    • Power-Good Outputs
  • Robust and Low EMI
    • Programmable Switching Frequency
    • Internal Spread-Spectrum Oscillator
    • Slew-Rate Controlled Switching
    • Thermal Shutdown Protection
  • Supports the Power Requirement of GMSL Parts
  • Compact TQFN20 4mm x 4mm Package
  • AECQ100 Grade 2
MAX77714 Complete System PMIC, Featuring 13Regulators, 8 GPIOs, RTC, and Flexible PowerSequencing for Multicore Applications

MAX77714 Complete System PMIC, Featuring 13Regulators, 8 GPIOs, RTC, and Flexible PowerSequencing for Multicore Applications

The MAX77714 is a complete power-management IC (PMIC) for portable devices using System-on-Chip ...
  • Highly Integrated
    • 4x Buck Regulators
      • SD0/1 Peak Efficiency >90% at 3.6VIN,1.1VOUT
      • SD2/3 Peak Efficiency >93% at 3.6VIN,1.8VOUT
      • Supports LDDR4x Memory requirements
    • 9x Low-Dropout Linear Regulator
    • Eight GPIOs
    • Real-Time Clock
    • Backup Battery Charger
    • Bidirectional Reset I/O
    • Interrupt Output
    • System Watchdog Timer
  • Flexible and Configurable
    • I2C-Compatible Interface
    • Factory OTP Options Available
    • Flexible Power Sequencer
    • Configurable Power-Up/Power-Down/Sleep Mode Entry/Exit Timing
    • Highly configurable GPIO ALT Modes
      • Three Resources can be Configured as 32kHz Oscillator Output
      • Four Resources can be Configured on FPS
      • One Resource can be Configured as ACOK Input
  • Low Power
    • Low IQ of 85µA in Sleep Mode
    • SD0/1 Low-Power Quiescent Current is 10µA
    • SD2/3 Low-Power Quiescent Current is 5µA
    • LDO Low-Power Quiescent Current is 1.5µA
  • Small Size
    • 70-Bump, 0.4mm Pitch, 10x7 Ball Array WLP, 4.1mm x 3.25mm x 0.7mm Package Size
    • 230mm2 Total Solution Size
    MAX17625EVKIT Evaluation Kit for the <a href="/en/products/MAX17625">MAX17625</a>/<a href="/en/products/MAX17626">MAX17626</a> Converters in Application

    MAX17625EVKIT Evaluation Kit for the MAX17625/MAX17626 Converters in Application

    The MAX17625/MAX17626 evaluation kits (EV kits) provide a proven design to evaluate the performa...
    • 2.7V to 5.5V Input-Voltage Range
    • MAX17625 Offers High 90.6% Efficiency (VIN = 3.3V, VOUT = 1.2V, IOUT = 400mA)
    • MAX17626 Offers High 94.5% Efficiency (VIN = 5V, VOUT = 3.3V, IOUT = 500mA)
    • Up to 700mA Load Current
    • 2MHz Fixed Switching Frequency for the MAX17625
    • 4MHz Fixed Switching Frequency for the MAX17626
    • Selectable Pulse-Width Modulation (PWM) and Pulse-Frequency Modulation (PFM) Modes of Operation
    • Internal 1ms Soft-Start Time
    • Power-Good (PGOOD) Output with Pullup Resistor to Respective Input Voltages
    • Low-Profile, Surface-Mount Components
    • Proven PCB Layout
    • Fully Assembled and Tested
    MAX17626EVKIT Evaluation Kit for the <a href="/en/products/MAX17625">MAX17625</a>/<a href="/en/products/MAX17626">MAX17626</a> Converters in Application

    MAX17626EVKIT Evaluation Kit for the MAX17625/MAX17626 Converters in Application

    The MAX17625/MAX17626 evaluation kits (EV kits) provide a proven design to evaluate the performa...
    • 2.7V to 5.5V Input-Voltage Range
    • MAX17625 Offers High 90.6% Efficiency (VIN = 3.3V, VOUT = 1.2V, IOUT = 400mA)
    • MAX17626 Offers High 94.5% Efficiency (VIN = 5V, VOUT = 3.3V, IOUT = 500mA)
    • Up to 700mA Load Current
    • 2MHz Fixed Switching Frequency for the MAX17625
    • 4MHz Fixed Switching Frequency for the MAX17626
    • Selectable Pulse-Width Modulation (PWM) and Pulse-Frequency Modulation (PFM) Modes of Operation
    • Internal 1ms Soft-Start Time
    • Power-Good (PGOOD) Output with Pullup Resistor to Respective Input Voltages
    • Low-Profile, Surface-Mount Components
    • Proven PCB Layout
    • Fully Assembled and Tested

    MAX14745EVSYS Evaluation Kit for the MAX14745

    The MAX14745 evaluation system kit (EVSYS kit) is a fully assembled and tested circuit board tha...
    • USB Power Option
    • Flexible Configuration
    • On-Board LED Indicator and Battery Simulation
    • Sense Test Point for Output Voltage Measurement
    • Windows® 8/10-Compatible GUI Software
    • Fully Assembled and Tested

    MAX20335EVSYS Evaluation Kit for the MAX20335

    The MAX20335 evaluation system (EV system) is a fully assembled and tested circuit board that de...
    • USB Power Option
    • Flexible Configuration
    • On-Board LED Indicator and Battery Simulation
    • Sense Test Point for Output-Voltage Measurement
    • Windows® 8/10-Compatible GUI Software
    • Fully Assembled and Tested