New Product Introduction

Maxim Integrated MAX14720 power-management solution

The MAX14720/MAX14750 are compact power-management solutions for space-constrained, battery-powered applications where size and efficiency are critical.

Maxim MAX14720 diagram

The MAX14720/MAX14750 are compact power-management solutions for space-constrained, battery-powered applications where size and efficiency are critical. Both devices integrate a power switch, a linear regulator, a buck regulator, and a buck-boost regulator.The MAX14720 is designed to be the primary power-management device and is ideal for either non-rechargeable battery (coin-cell, dual alkaline) applications or for rechargeable solutions where the battery is removable and charged separately. The device includes a button monitor and sequencer.

 

Key features

  • Micro-IQ 250mW Buck-Boost Regulator
  • Micro-IQ 200mA Buck Regulator
  • Micro-IQ 100mA LDO
  • Configurable Power Mode and Reset Behavior (MAX14720)

 

Additional features

Extended System Battery Use Time

  • Micro-IQ 250mW Buck-Boost Regulator
  • Input Voltage from 1.8V to 5.5V
  • Output Voltage Programmable from 2.5V to 5V
  • 1.1µA Quiescent Current
  • Programmable Current Limit
  • Micro-IQ 200mA Buck Regulator
  • Input Voltage from 1.8V to 5.5V
  • Output Voltage Programmable from 1.0V to 2.0V
  • 0.9µA Quiescent Current
  • Micro-IQ 100mA LDO
  • Input Voltage From 1.71V to 5.5V
  • Output Programmable From 0.9V to 4.0V
  • 0. 9µA Quiescent Current
  • Configurable as Load Switch

Extend Product Shelf-Life

  • Battery Seal Mode (MAX14720)
  • 120nA Battery Current
  • Power Switch On-Resistance
  • 250mΩ (max) at 2.7V
  • 500mΩ (max) at 1.8V
  • Battery Impedance Detector

Easy-to-Implement System Control

  • Configurable Power Mode and Reset Behavior (MAX14720)
  • Push-Button Monitoring to Enable Ultra-Low Power Shipping Mode
  • Disconnects All Loads From Battery and Reduces Leakage to Less than 1µA
  • Power-On Reset (POR) Delay and Voltage Sequencing
  • Individual Enable Pins (MAX14750)
  • Voltage Monitor Multiplexer
  • I2C Control Interface

 

Applications

  • Portable Medical Devices
  • Wearable Fitness Devices
  • Wearable Medical Devices

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