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
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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
MAX17320 Simplified Block Diagram MAX17320 Typical Application Circuit MAX17320 24-TQFN Pin Configuration MAX17320 30 Bump WLP Pin Configuration
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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
MAX17320X1EVKIT: Board Photo
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
MAXREFDES179 Block Diagram
MAXREFDES179
Figure 1. System Board
MAXREFDES1209
Non-Isolated 12V/0.5A 6W Step-Down Converter Using the MAX17501
maxrefdes1209 figure 1
MAXREFDES1299
4-Cell Fuel Gauge with External Cell Balancing using MAX17320
maxrefdes1299 figure 1
MAXREFDES183
MAXREFDES183# Portable Precision Calibrator
MAXREFDES183 System Block Diagram

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