MAX17332
Info : RECOMMENDED FOR NEW DESIGNS
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MAX17332

AccuCharge + ModelGauge m5 EZ 1-Cell Charger, Fuel Gauge, and Protector

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1ku List Price Starting From $2.71
Features
  • Non-Volatile Programmable Stand-Alone Charger
    • 1% Charge Current, 256 Current Settings
    • 0.25% Charge Voltage, 2.42V to 4.8V, Configurable
    • Optional Manual Charge Control
    • FET Temperature Limit and Heat Regulation
    • Prequal, SmartFull, and Step-Charging Options
    • JEITA—9 Temperature Regions
  • Battery Health + Programmable Safety/Protection
    • Overvoltage/Overcharge Current
    • Temperature Region Dependent
    • Overcharge/Discharge/Short-Circuit Current
    • Over/Under Temperature
    • Zero-Volt or >1.8V Charging Option
    • Undervoltage + SmartEmpty
  • Pushbutton Wakeup/Factory Ship Mode (0.5μA)
  • ModelGauge m5 EZ Algorithm
    • Percent, Capacity,Time-to-Empty/Full, Age
    • Cycle+™ Age Forecast + Age-Scheduled Charging
  • Dynamic Power—Estimates Power Capability
  • SHA-256 Authentication to Prevent Cloning
  • Precision Measurement Without Calibration
    • Current, Voltage, Power, Time, Cycles
    • Die Temperature and two Thermistors
  • History Logging, User Data
  • Low Quiescent Current
    • FETs Enabled: 35μA Active, 21μA Hibernate
    • FETs Disabled: 8μA Ship, 0.5μA Shutdown
  • 2-Wire (I2C) and 1-Wire®
  • 1.9 mm x 2.5 mm 15-Bump 0.5mm Pitch Wafer-Level Package (WLP)
Additional Details
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The MAX17332 is a 35μA IQ stand-alone charger, fuel gauge, protector, and battery internal self-discharge detection IC for 1-cell lithium-ion/polymer batteries. When a voltage source is present, the IC regulates charging by modulating the charge N-FET, using AccuCharge™charger technology. The IC regulates charge voltage, current, and FET temperature. Stand-alone charging is supported by flexible configuration in nonvolatile memory. The IC supports the following applications:

  • Low-Power Charging
    • 1mA to 500mA directly from universal 5V USB
    • No USB identification/coordination needed
  • High-Power Parallel Packs (>1000mA)
    • Independently charges parallel packs
    • Prevents cross-charging for parallel batteries
    • Coordinates external DC-DC with alerts
    • Minimizes dropout and heat
  • Protection and Charging Control—pack or host side

The IC ideal diode circuit supports a quick response to system transients and adapter removal with low voltage drop across the CHG FET.

The IC uses the ModelGauge™ m5 EZ algorithm that combines the short-term accuracy and linearity of a coulomb counter with the long-term stability of a voltage-based fuel gauge to provide industry-leading accuracy. The IC automatically compensates for cell aging, temperature, and discharge rate while providing accurate state-of-charge (SOC) in milliampere-hours (mAh) or percentage (%) over a wide range of operating conditions.

The IC monitors the voltage, current, temperature, and state of the battery to provide protection against over/undervoltage, overcurrent, short-circuit, over/undertemperature and overcharge conditions, and internal self-discharge protection using external high-side N-FETs to ensure that the lithium-ion/polymer battery operates under safe conditions which prolongs the life of the battery.

APPLICATIONS

  • USB PPS and Direct Charging
  • Smart Batteries and Hybrid Supercap Batteries
  • Dual Screen Smartphones, Tablets
  • Hearables, Wearables, Smartwatches
  • Medical Devices, Health, Fitness Monitors
  • Handheld Radios, Computers, Accessories
  • Home/Building Automation, Sensors, Cameras
  • Parallel Battery AR/VR Systems
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Part Models 2
1ku List Price Starting From $2.71
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MAX17332

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Data Sheet

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UPDATED 03/07/2023
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MAX17332: AccuCharge + ModelGauge m5 EZ 1-Cell Charger, Fuel Gauge, and Protector Data Sheet (Rev.1)

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Technical Articles

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UPDATED 04/02/2024
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Open-Ear Audio: Enhanced, High Quality Solutions for AR/VR Applications redirect icon

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UPDATED 04/02/2024
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オープンイヤー・オーディオ：AR/VRアプリケーション向けに拡張された高品質ソリューション redirect icon

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UPDATED 07/09/2024
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Enabling Automation in Logistics and Retail - Part 1 redirect icon

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UPDATED 08/15/2023
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How Parallel Battery Charging with USB-C Helps to Enhance the Consumer Experience redirect icon

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利用USB-C实现并联电池充电如何帮助提升用户体验 redirect icon

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USB Type-Cによる並列バッテリ充電、この手法は消費者に何をもたらすのか？ redirect icon

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Documentation

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2023-04-27

40:31

MAX17332 EVKIT GUI Software Demo

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX17332X22+ 15-WLCSP-N/A external-link
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Nov 17, 2022

- 2350

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Software & Part Ecosystem

Evaluation Kits 1

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MAX17332EVKIT

Evaluation Kit for MAX17332

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MAX17332EVKIT

Evaluation Kit for MAX17332

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MAX17332EVKIT
Evaluation Kit for MAX17332

Features and Benefits

  • ModelGauge m5 Algorithm
  • Charges, Monitors, and Protects a 1S Battery
  • Full Protection Solution On-Board for Evaluation
  • Battery Voltage (VBATT) Range of +2.16V to +4.9V with Default Hardware
  • Input Voltage up to 5.7V
  • Default Current Range -5A (Discharge) to +2.56A (Charge) with 10mΩ Sense Resistor (Higher Currents can be Supported by Changing to a Smaller Sense Resistor)
  • Two Thermistor Measurements
  • On-Board I2C Communication Interface with Built-In MAXUSB Interface
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested
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Product Detail

The MAX17332 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB that evaluates the standalone charger, fuel gauge IC with protector and optional SHA-256 authentication for 1 cell lithium-ion/polymer batteries.

The MAX17332 EV kits include the IC evaluation board with integrated I2C interface and USB micro-B cable. Windows® based graphical user interface (GUI) software is available for use with the EV kit and can be downloaded from MAX17332 product page under the Design Resources tab. Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

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MAX17332EVKIT ODB Files Download

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MAX17332EVKIT

Evaluation Kit for MAX17332

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