MAX17320

RECOMMENDED FOR NEW DESIGNS

2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and SHA-256 Authentication

Industry's Lowest IQ Stand-Alone Multi-Cell Fuel Gauge with Protector and SHA-256 Authentication

Part Models
16
1ku List Price
Starting From $1.93

Part Details

  • Battery Health + Programmable Safety/Protection
    • Overvoltage (Temperature Dependent)
    • Overcharge/Overdischarge/Short-Circuit Current
    • Over/Undertemperature
    • Undervoltage + SmartEmpty
    • Battery Internal Self-Discharge Detection
    • Ideal Diode Discharge During Charge Fault
    • Charging Prescriptions (JEITA)
    • Prequal Charge Control with CHG FET
  • ModelGauge m5 EZ Algorithm
    • Percent, Capacity, Time-to-Empty/Full, Age
    • Cycle+™ Age Forecast
  • Precision Measurement Without Calibration
    • Current, Voltage, Power, Time, Cycles
    • Die Temperature, 4 Thermistors ±1°C
  • Cell Balancing with Internal FETs
  • SHA-256 Authentication
  • Nonvolatile Memory for Stand-Alone Operation
    • History Logging, User Data (84 Bytes)
  • Low Quiescent Current
    • FETs Enabled: 38µA Active
  • Pushbutton Wakeup—Eliminates System Consumption Until Button Press
  • Always-On LDO
  • Dynamic Power—Estimates Power Capability
  • SBS 1.1 Compatible Register Set
MAX17320
2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and SHA-256 Authentication
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Tools & Simulations


Evaluation Kits

MAX17320X2EVKIT

Evaluation Kit for the MAX17320

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors Multicell Packs
  • Full Protection Solution On-Board for Evaluation
  • Battery Pack Input Voltage Range of +2.3V to +4.9V/Cell with Default Hardware
  • Default Current Range -10A to +10A with 5mΩ Sense Resistor, Higher Currents Can Be Supported by Changing to a Smaller Sense Resistor
  • Thermistor Measurement
  • On-Board I2C/1-Wire Communication Interface with Built-In MAXUSB Interface
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17320X/MAX17320G evaluation kits (EV kits) are fully assembled and tested surface-mount PCBs that evaluate the stand-alone pack-side fuel gauge IC with protector and optional SHA-256 authentication for 2-4 cell lithium-ion/polymer batteries.

The MAX17320 EV kits include the IC evaluation board with integrated I2C/1-Wire® 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 https:// www.maximintegrated.com/products/MAX17320.html/ product page under “Design Resources” tab. Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

Applications

  • Digital Still, Video, and Action Cameras
  • Handheld Computers, Radios, and Terminals
  • Medical Devices, Health and Fitness Monitors
  • Power Tools, Wireless Speakers, and Drones
  • Smart Batteries and Battery Backup
  • Smartphones, Tablets, and 2-in-1 Laptops

eval board
MAX17320X1EVKIT

Evaluation Kit for the MAX17320

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors Multicell Packs
  • Full Protection Solution On-Board for Evaluation
  • Battery Pack Input Voltage Range of +2.3V to +4.9V/Cell with Default Hardware
  • Default Current Range -10A to +10A with 5mΩ Sense Resistor, Higher Currents Can Be Supported by Changing to a Smaller Sense Resistor
  • Thermistor Measurement
  • On-Board I2C/1-Wire Communication Interface with Built-In MAXUSB Interface
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17320X/MAX17320G evaluation kits (EV kits) are fully assembled and tested surface-mount PCBs that evaluate the stand-alone pack-side fuel gauge IC with protector and optional SHA-256 authentication for 2-4 cell lithium-ion/polymer batteries.

The MAX17320 EV kits include the IC evaluation board with integrated I2C/1-Wire® 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 https:// www.maximintegrated.com/products/MAX17320.html/ product page under “Design Resources” tab. Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

Applications

  • Digital Still, Video, and Action Cameras
  • Handheld Computers, Radios, and Terminals
  • Medical Devices, Health and Fitness Monitors
  • Power Tools, Wireless Speakers, and Drones
  • Smart Batteries and Battery Backup
  • Smartphones, Tablets, and 2-in-1 Laptops

MAX17320G2EVKIT

Evaluation Kit for the MAX17320

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors Multicell Packs
  • Full Protection Solution On-Board for Evaluation
  • Battery Pack Input Voltage Range of +2.3V to +4.9V/Cell with Default Hardware
  • Default Current Range -10A to +10A with 5mΩ Sense Resistor, Higher Currents Can Be Supported by Changing to a Smaller Sense Resistor
  • Thermistor Measurement
  • On-Board I2C/1-Wire Communication Interface with Built-In MAXUSB Interface
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17320X/MAX17320G evaluation kits (EV kits) are fully assembled and tested surface-mount PCBs that evaluate the stand-alone pack-side fuel gauge IC with protector and optional SHA-256 authentication for 2-4 cell lithium-ion/polymer batteries.

The MAX17320 EV kits include the IC evaluation board with integrated I2C/1-Wire® 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 https:// www.maximintegrated.com/products/MAX17320.html/ product page under “Design Resources” tab. Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

Applications

  • Digital Still, Video, and Action Cameras
  • Handheld Computers, Radios, and Terminals
  • Medical Devices, Health and Fitness Monitors
  • Power Tools, Wireless Speakers, and Drones
  • Smart Batteries and Battery Backup
  • Smartphones, Tablets, and 2-in-1 Laptops

MAX17320G1EVKIT

Evaluation Kit for the MAX17320

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors Multicell Packs
  • Full Protection Solution On-Board for Evaluation
  • Battery Pack Input Voltage Range of +2.3V to +4.9V/Cell with Default Hardware
  • Default Current Range -10A to +10A with 5mΩ Sense Resistor, Higher Currents Can Be Supported by Changing to a Smaller Sense Resistor
  • Thermistor Measurement
  • On-Board I2C/1-Wire Communication Interface with Built-In MAXUSB Interface
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17320X/MAX17320G evaluation kits (EV kits) are fully assembled and tested surface-mount PCBs that evaluate the stand-alone pack-side fuel gauge IC with protector and optional SHA-256 authentication for 2-4 cell lithium-ion/polymer batteries.

The MAX17320 EV kits include the IC evaluation board with integrated I2C/1-Wire® 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 https:// www.maximintegrated.com/products/MAX17320.html/ product page under “Design Resources” tab. Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

Applications

  • Digital Still, Video, and Action Cameras
  • Handheld Computers, Radios, and Terminals
  • Medical Devices, Health and Fitness Monitors
  • Power Tools, Wireless Speakers, and Drones
  • Smart Batteries and Battery Backup
  • Smartphones, Tablets, and 2-in-1 Laptops

MAX17320X2EVKIT
Evaluation Kit for the MAX17320
MAX17320X1EVKIT
Evaluation Kit for the MAX17320
MAX17320G2EVKIT
Evaluation Kit for the MAX17320
MAX17320G1EVKIT
Evaluation Kit for the MAX17320

Reference Designs

MAXREFDES179 Block Diagram
MAXREFDES179 Circuits from the lab

Multicell USB-C PD Charging with Fuel Gauge Platform

Features and Benefits

  • Input operating range of 3.5V to 25V
  • Type-C and USB-PD support

    • DRP and Try,Snk state
    • Cable orientation, power role detection
    • Integrated VCONN switch with OCP

  • Autonegotiate for the highest PD power profile (45W) when Sink
  • Autoenable OTG when Source
  • Autoconfigurable battery charger
  • AP control to overwrite PD power profile, OTG limit, USB-PD functions, buck-boost charger configuration, read/write MAX17320 fuel gauge status, configure MAX77932 switched capacitor converter

Part Used


Design & Integration Tools


Videos

  • lazy blur
    VIDEO · 2023-02-08 03:17
    Don't Let a Low Battery Eat Into Your Playtime
maxrefdes1299 figure 1
MAXREFDES1299 Circuits from the lab

4-Cell Fuel Gauge with External Cell Balancing using MAX17320

Features and Benefits

  • Monitors cell voltages, pack current, pack temperatures, balances cells, and protects by controlling charge or discharge field-effect transistors (FETs).
  • Hardware protection for overcurrent in charge/discharge, short circuit in discharge, overvoltage, undervoltage, over temperature and under temperature.
  • External cell balancing up to 600 mA per cell.
  • I2C Interface with clock frequency of 400kHz.
MAXREFDES183 System Block Diagram
MAXREFDES183 Circuits from the lab

MAXREFDES183# Portable Precision Calibrator

Features and Benefits

  • Portable, Lightweight Precision Calibrator
  • Accuracy to 0.01% Over a 0 to +50°C Operating Temperature Range
  • USB-Rechargeable Battery
  • Voltage/Current/Temperature
MAXREFDES179
Multicell USB-C PD Charging with Fuel Gauge Platform
MAXREFDES1209
Non-Isolated 12V/0.5A 6W Step-Down Converter Using the MAX17501
MAXREFDES1299
4-Cell Fuel Gauge with External Cell Balancing using MAX17320
MAXREFDES183
MAXREFDES183# Portable Precision Calibrator

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