MAX20303

PRODUCTION

PMIC with Ultra Low IQ Voltage Regulators, Battery Charger and Fuel Gauge for Small Lithium Ion Systems

Extend Battery Life of Wearable Electronics

Data Sheet (Rev. 13) Product Selection Table
Part Models
22
1ku List Price
Starting From $5.83
Viewing:

Part Details

  • Extend Battery Use Time Between Battery Charging
    • 2 x Micro-IQ Buck Regulators (<1µA IQ (typ) Each)
      • 220mA Output
      • Buck1: 0.8V to 2.375V in 25mV Steps
      • Buck2: 0.8V to 3.95V in 50mV Steps
    • Micro-IQ LV LDO/Load Switch (1µA IQ (typ))
      • 1.16V to 2.0V Input Voltage
      • 50mA Output
      • 0.5V to 1.95V Output, 25mV Steps
    • Micro-IQ LDO/Load Switch (1µA IQ (typ))
      • 1.71V to 5.5V Input Voltage
      • 100mA Output
      • 0.9V to 4V, 100mV Steps
    • Micro-IQ Buck-Boost Regulator (1.3µA IQ (typ))
      • 250mW Output
      • 2.5V to 5V in 100mV Steps
  • Easy-to-Implement Li+ Battery Charging
    • Wide Fast Charge Current Range: 5mA to 500mA
    • Smart Power Selector
      • 28V/-5.5V Tolerant Input
      • Programmable JEITA Current/Voltage Profiles
  • Minimize Solution Footprint Through High Integration
    • Safe Output LDO
      • 15mA When CHGIN Present
      • 5V or 3.3V
    • Haptic Driver
      • ERM/LRA Driver with Quick Start And Breaking
      • Automatic Resonance Tracking (LRA only)
    • Support Wide Variety of Display Options
      • Micro-IQ Boost Regulator (2.4µA IQ(typ))
        • 300mW Output
        • 5V to 20V in 250mV Step
      • 3 Channel Current Sinks
        • 20V Tolerant
        • Programmable from 0.6 to 30mA
    • Optimize System Control
      • Power-On/Reset Controller
      • Programmable Push-Button Controller
      • Programmable Supply Sequencing
      • Factory Shelf Mode
      • On-Chip Voltage Monitor Multiplexer and Analog-to-Digital Converter (ADC)
MAX20303
PMIC with Ultra Low IQ Voltage Regulators, Battery Charger and Fuel Gauge for Small Lithium Ion Systems
MAX20303: Typical Application Diagram
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 2

Technical Articles 1

Learn More
Add to myAnalog

Add media to the Resources section of myAnalog, to an existing project or to a new project.

Create New Project

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts Product Life Cycle Description
Multitopology DC/DC 1
MAX14750
PRODUCTION Power-Management Solution
PMIC (DC/DC, PowerPath, and Battery Charger) 3
MAX14745
PRODUCTION PMIC with Ultra Low IQ Voltage Regulators and Battery Charger for Small Lithium Ion Systems
MAX14690
PRODUCTION PMIC with Ultra-Low IQ Voltage Regulators and Battery Charger for Small Lithium Ion Systems
MAX14676
PRODUCTION Wearable Charge Management Solution
SIMO Regulators 1
MAX20310
RECOMMENDED FOR NEW DESIGNS Ultra-Low Quiescent Current PMIC with SIMO Buck-Boost for Wearable Applications
Modal heading
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Evaluation Kits

eval board
schematic 1
MAX20303EVSYS

Evaluation Kit for the MAX20303

Buy Now View Details

Features and Benefits

  • USB Power Option
  • Flexible Configuration
  • On-Board LED Current Sink and Battery Simulation
  • Sense Test Point for Output-Voltage Measurement
  • Filter Test Point for Haptic Waveform Measurement
  • Windows® 8/10-Compatible GUI Software
  • Fully Assembled and Tested

Product Details

The MAX20303 evaluation system (EV system) is a fully assembled and tested circuit board that demonstrates the MAX20303 ultra-low-power wearable power-management integrated circuit (PMIC). The MAX20303 includes voltage regulators such as bucks, boost, buck-boost and linear regulators, and a complete battery management solution with battery seal, charger, power path and fuel gauge.

The MAX20303 EV system comes with the MAX20303 board, the MAXPICO2PMB# board, and two micro-B cables. The EV system comes with the MAX20303BEWN+ installed. The MAX20303 is configurable through an I2C interface that allows for programming various functions and reading the device status. The EV system GUI application sends commands to the MAXPICO2PMB# adapter board to configure the device.

Applications

  • IoT
  • Wearable Devices

MAX20303EVKIT

Evaluation Kit for the MAX20303

Buy Now View Details

Features and Benefits

  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested
  • I2C Serial Interface

Product Details

The MAX20303 evaluation kit (EV kit) is a fully assembled and tested circuit for evaluating the MAX20303 wearable charge-management solution with I2C compatibility for feature-rich, low-power wearable applications. The device includes a linear battery charger, smart power selector, two ultra-low quiescent current buck regulators, a buckboost regulator, a boost regulator, a charge pump, two low-dropout (LDO) linear regulators, three LED current sinks, five GPIO pins, and an LRA/ERM compatible haptic driver with internal pattern storage.

Refer to the MAX20303 IC data sheet for detailed information regarding the operation and features of the device.

Applications

  • IoT
  • Wearable Devices
MAX20303EVSYS
Evaluation Kit for the MAX20303
MAX20303EVSYS: Board Photo
MAX20303EVKIT
Evaluation Kit for the MAX20303

Reference Designs

MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES101 Circuits from the lab

Health Sensor Platform 2.0

View Detailed Reference Design

Features and Benefits

  • Photoplethysmography (PPG)
  • Biopotential measurement (ECG)
  • Skin temperature
  • Embedded heart-rate algorithm
  • Motion and rotation
  • Wearable watch form factor
maxrefdes 105 photo 1
maxrefdes 105 photo 1
maxrefdes105 system diagram
maxrefdes105 image
MAXREFDES105 Circuits from the lab

Wrist-Based SpO2, Heart Rate (HR), and Heart Rate Variability (HRV) Health Sensor Platform

View Detailed Reference Design

Features and Benefits

Features

  • PPG
  • Wrist-based embedded heart rate, blood oxygen saturation (SpO2) algorithm
  • HRV, respiration rate, sleep quality library algorithm
  • Wearable health band form factor
  • MAX32664 sensor hub
  • MAX86174A PPG analog front-end
  • 3-axis accelerometer
  • Windows® and Android GUIs

Applications

  • Remote Patient Monitoring/Vital Sign Patch
MAXREFDES103# system diagram
MAXREFDES103# system diagram
MAXREFDES103
MAXREFDES103
MAXREFDES103 Circuits from the lab

Wrist-Based SpO2, HR, and HRV Health Sensor Platform

View Detailed Reference Design

Features and Benefits

  • Photoplethysmography (PPG)
  • Wrist-based embedded heart rate, blood oxygen saturation (SpO2) algorithm
  • Heart rate variability (HRV), respiration rate, sleep quality library algorithm
  • Wearable health band form factor
  • MAX32664 sensor hub
  • MAX86141 PPG analog front-end
  • 3-axis accelerometer
  • Windows® and Android GUIs

Part Used

Design & Integration Tools

Videos

  • lazy blur
    VIDEO · 2022-10-04 01:45
    How to Get Your Healthcare Wearable Off the Ground Faster
MAXREFDES101
Health Sensor Platform 2.0
MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES101
MAXREFDES105
Wrist-Based SpO2, Heart Rate (HR), and Heart Rate Variability (HRV) Health Sensor Platform
maxrefdes 105 photo 1
maxrefdes105 system diagram
maxrefdes105 image
MAXREFDES103
Wrist-Based SpO2, HR, and HRV Health Sensor Platform
MAXREFDES103# system diagram
MAXREFDES103
MAXREFDES103

Latest Discussions

35 Weeks Ago
PowerOff_Command and PwrRstCfg register
47 Weeks Ago
Running without a battery
1 Years Ago
MAX20303B support for USB-C port
View related discussion on EngineerZone®

Recently Viewed