MAX77734

RECOMMENDED FOR NEW DESIGNS

Ultra-Low Power Tiny PMIC with Power Path Charger for Small Li+ and 150mA LDO

Highly-Integrated Power Solution with Safe Charging and Low-Noise LDO for Hearables and IoT

Part Models
10
1ku List Price
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Part Details

  • Extends Battery Life
    • 200nA Factory-Ship Mode for Long Shelf Life
    • 500nA Shutdown Current
    • 4.5µA Quiescent Current with LDO Enabled
    • Charger Allows Battery to Relax after Charging
  • Linear Charger Optimized for Small Battery Size
    • 7.5mA to 300mA Fast-Charge Current
    • Battery Regulation Voltage from 3.6V to 4.6V
    • Accurate Termination Current as low as 0.375mA
    • Instant-On Functionality provided by Maxim's Smart Power Selector™
    • JEITA Battery Temperature Monitors for Safe Charging
  • Highly Integrated
    • 150mA LDO with Power-OK Output
    • Dual-Channel Current Sink for LEDs
    • Analog Multiplexer for Power Monitoring
    • Watchdog Timer
    • On-Key Input for LDO Enable and Manual Reset
  • Small Size
    • 2.23mm x 1.97mm (0.5mm max height) WLP
    • 20-Bump, 0.4mm Pitch, 4 x 5 Array
MAX77734
Ultra-Low Power Tiny PMIC with Power Path Charger for Small Li+ and 150mA LDO
MAX77734 Simplified Application Circuit MAX77734 Pin Configuration
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Documentation

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Battery Fuel Gauge and Coulomb Counter 1
MAX17055 PRODUCTION 7µA 1-Cell Fuel Gauge with ModelGauge m5 EZ
PMIC (DC/DC, PowerPath, and Battery Charger) 1
MAX77650 PRODUCTION Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li+
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Tools & Simulations


Evaluation Kits

eval board
MAX77734EVKIT

Evaluation Kit for the MAX77734

Features and Benefits

  • Easy to Use
    • GUI Drives I2C Interface
    • On-Board Thermistor
    • Red/Green LED
    • Assembled and Fully Tested
  • Emulates System Loading
    • On-Board Electronic Load for LDO
    • Electronic Load has Steady-State, Transient, and Random Modes
  • Demonstrates End-to-End Analog Multiplexer Implementation
    • On-Board ADC
  • Evaluates Both Push-Button and Slider-Switch On-Key Options

Product Details

The MAX77734 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77734. The EV kit allows for easy evaluation of the various MAX77734 features, including the linear charger, linear regulator, analog multiplexer, current sinks, and I2C interface.

Windows®-based software provides a user-friendly graphical interface as well as a detailed register-based interface to exercise the features of the MAX77734.

MAX77734EVKIT
Evaluation Kit for the MAX77734
MAX77734EVKIT: Board Photo

Reference Designs

MAXREFDES1302
MAXREFDES1302 Circuits from the lab

Analog Devices 1-Wire True Wireless Stereo (TWS) Cradle and Earbuds

Features and Benefits

Features

  • Integrated solution
  • Small size
  • Low power
  • High accuracy
  • Low cost
MAXREFDES1302
Analog Devices 1-Wire True Wireless Stereo (TWS) Cradle and Earbuds
MAXREFDES1302

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