MAX17260
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MAX17260

5.1µA 1-Cell Fuel Gauge with ModelGauge m5 EZ and Optional High-Side Current Sensing

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Industry's Lowest IQ Fuel Gauge with ModelGauge m5 EZ Eliminates Battery Characterization

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Part Models 6
1ku List Price Starting From $1.22
Features
  • ModelGauge m5 EZ
    • No Characterization Required for EZ Performance
    • Robust Against Battery Variation
    • Eliminates Error Near Empty Voltage
    • Eliminates Coulomb-Counter Drift
    • Compensates for Age, Current, and Temperature
    • Does Not Require Empty, Full, or Idle States
  • Low 5.1µA Operating Current
  • Accurate Current Sensing
    • High-Side or Low-Side Sensing Option
  • Wide Sense Resistor Range: 1mΩ to 1000mΩ
  • Trace Sensing with Temperature Compensation
  • Supports Li+ and Variants Including LiFePO4
  • Thermistor or ±1°C Internal Temperature
  • Dynamic Power Estimates Power Capability During Discharge
  • Time-to-Empty and Time-to-Full Estimation
  • Predicts Remaining Capacity Under Theoretical Load
  • No Calibration Required
  • Alert Indicator for Voltage, SOC, Temperature, Current, and 1% SOC Change
Additional Details
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The MAX17260 is an ultra-low power fuel gauge IC which implements the Maxim ModelGauge™ m5 algorithm. The IC monitors a single-cell battery pack and supports both high-side and low-side current sensing.

The ModelGauge m5 EZ algorithm makes fuel gauge implementation easy by eliminating battery characterization requirements and simplifying host software interaction. The algorithm provides tolerance against battery diversity for most lithium batteries and applications. The algorithm combines the short-term accuracy and linearity of a coulomb counter with the long-term stability of a voltage-based fuel gauge, along with temperature compensation to provide industry-leading fuel gauge accuracy. The IC automatically compensates for cell-aging, temperature, discharge rate, and provides accurate state-of-charge (SOC) in percentage (%) and remaining capacity in milliampere-hours (mAh) over a wide range of operating conditions. As the battery approaches the critical region near empty, the algorithm invokes a special correction mechanism that eliminates any error. The IC provides accurate estimation of time-to-empty and time-to-full and provides three methods for reporting the age of the battery: reduction in capacity, increase in battery resistance, and cycle odometer.

The IC provides precision measurements of current, voltage, and temperature. The temperature of the battery pack is measured using an internal temperature sensor or external thermistor. A 2-wire I2C interface provides access to data and control registers. The IC is available in tiny lead-free 0.4mm pitch, 1.5mm x 1.5mm, 9-pin WLP package and 3mm x 3mm, 14-pin TDFN package.

Design Solution: Choose a Fuel Gauge with the Right Current Sensing for Your Battery System ›

Applications

  • Wearables, Smartwatches
  • Tablets, 2-in-1 Laptops
  • Bluetooth Headsets
  • Health and Fitness Monitors
  • Digital Still, Video, and Action Cameras
  • Medical Devices
  • Handheld Computers and Terminals
  • Wireless Speakers
  • Home and Building Automation, Sensors
  • Portable Game Players
  • Toys
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file View Data Sheet (Rev.2)
Documentation View All Documentation
Part Models 6
1ku List Price Starting From $1.22
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MAX17260

Documentation

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Data Sheet

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UPDATED 08/09/2024
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MAX17260: 5.1µA 1-Cell Fuel Gauge with ModelGauge m5 EZ and Optional High-Side Current Sensing Data Sheet (Rev.2)

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User Guide

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UPDATED 06/27/2018
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UG-6595: ModelGauge m5 Host Side Software Implementation Guide redirect icon

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UPDATED 06/27/2018
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UG-6597: MAX1726x ModelGauge m5 EZ User Guide redirect icon

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Design Note

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UPDATED 10/01/2018
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Design Solutions 83 - Choose a Fuel Gauge with the Right Current Sensing for Your Battery System redirect icon

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UPDATED 01/30/2018
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How to Fuel Gauge Lithium-Ion Batteries Without Battery Characterization with ModelGauge m5 EZ redirect icon

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UPDATED 12/14/2018
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ModelGauge m5 EZにより、バッテリの特性評価を行わずにリチウムイオンバッテリの残量を測定する方法 redirect icon

Technical Articles

7

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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 08/30/2019
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Considerations for Fuel Gauging Lithium-Iron-Phosphate Batteries redirect icon

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UPDATED 08/30/2019
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リン酸鉄リチウムバッテリの残量ゲージの考慮事項 redirect icon

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UPDATED 10/24/2023
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How to Design a Safe Wearable Device with 4× Faster Battery Charging redirect icon

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UPDATED 10/24/2023
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如何设计电池充电速度快4倍的安全可穿戴设备 redirect icon

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UPDATED 10/24/2023
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1/4の時間でバッテリを充電できる安全なウェアラブル・デバイスの設計方法 redirect icon

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UPDATED 09/28/2023
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バッテリ残量ゲージIC「ModelGauge m5」で正確なSoC測定を実現 redirect icon

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Documentation

Technical Documents 8
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Data Sheet 1

MAX17260: 5.1µA 1-Cell Fuel Gauge with ModelGauge m5 EZ and Optional High-Side Current Sensing Data Sheet (Rev.2)
Open Interactive Page

User Guide 2

UG-6595: ModelGauge m5 Host Side Software Implementation Guide
UG-6597: MAX1726x ModelGauge m5 EZ User Guide

Design Note 2

Design Solutions 83 - Choose a Fuel Gauge with the Right Current Sensing for Your Battery System
How to Fuel Gauge Lithium-Ion Batteries Without Battery Characterization with ModelGauge m5 EZ

Technical Articles 3

Enabling Automation in Logistics and Retail - Part 1
Considerations for Fuel Gauging Lithium-Iron-Phosphate Batteries
How to Design a Safe Wearable Device with 4× Faster Battery Charging

Video

2

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Video

2022-10-04

06:37

Faster Battery Fuel Gauging Using the MAX17260 Fuel Gauge with ModelGauge M5 EZ

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Video

2022-10-04

10:59

Introduction to the MAX17260 5.1µA 1-Cell Fuel Gauge with ModelGauge m5 EZ and Optional High-Side Current Sensing

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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
MAX17260BEWL+ Wafer-Level Package 3x3 Bump, Full Array external-link
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MAX17260BEWL+T Wafer-Level Package 3x3 Bump, Full Array external-link
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MAX17260SETD+ Thin Dual Flatpack No Leads external-link
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MAX17260SETD+T Thin Dual Flatpack No Leads external-link
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  • Material Declaration external-link
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MAX17260SEWL+ Wafer-Level Package 3x3 Bump, Full Array external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
MAX17260SEWL+T Wafer-Level Package 3x3 Bump, Full Array external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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Evaluation Kits 2

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MAX17260XEVKIT

Evaluation Kit for the MAX17260

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MAX17260XEVKIT

Evaluation Kit for the MAX17260

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MAX17260XEVKIT
Evaluation Kit for the MAX17260

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors from 1S Cell Packs
  • Battery Pack Input Voltage Range of +2.3V to +4.9V
  • Thermistor Measurement Network
  • Optional On-Board PCB Trace Sense Resistor
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX17260G/MAX17260X evaluation kits (EV kits) are fully assembled and tested surface-mount PCBs that evaluate the stand-alone ModelGauge™ m5 host-side fuel-gauge ICs for lithium-ion (Li+) batteries in handheld and portable equipment.

The MAX17260G/MAX17260X EV kits include the Maxim DS91230+ USB interface, IC evaluation board, and RJ-11 connection cable. Windows®-based graphical user interface (GUI) software is available for use with the EV kits and can be downloaded from Maxim’s website at www.maximintegrated.com/en/products/power/battery-management/MAX17260.html (under the Design Resources tab). Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

Applications

  • Bluetooth Headsets
  • Digital Still, Video, and Action Cameras
  • Handheld Computers and Terminals
  • Health and Fitness Monitors
  • Home and Building Automation, Sensors
  • Medical Devices
  • Portable Game Players
  • Tablets, 2-in-1 Laptops
  • Toys
  • Wearables, Smartwatches
  • Wireless Speakers

Resources

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MAX17260XEVKIT Gerber Files - Design Files Download

1.94M

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MAX17260XEVKIT Gerber File Download

1.93M

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MAX17260GEVKIT

Evaluation Kit for the MAX17260

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MAX17260GEVKIT

Evaluation Kit for the MAX17260

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Download

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MAX17260GEVKIT
Evaluation Kit for the MAX17260

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors from 1S Cell Packs
  • Battery Pack Input Voltage Range of +2.3V to +4.9V
  • Thermistor Measurement Network
  • Optional On-Board PCB Trace Sense Resistor
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX17260G/MAX17260X evaluation kits (EV kits) are fully assembled and tested surface-mount PCBs that evaluate the stand-alone ModelGauge™ m5 host-side fuel-gauge ICs for lithium-ion (Li+) batteries in handheld and portable equipment.

The MAX17260G/MAX17260X EV kits include the Maxim DS91230+ USB interface, IC evaluation board, and RJ-11 connection cable. Windows®-based graphical user interface (GUI) software is available for use with the EV kits and can be downloaded from Maxim’s website at www.maximintegrated.com/en/products/power/battery-management/MAX17260.html (under the Design Resources tab). Windows 7 or newer Windows operating system is required to use with the EV kit GUI software.

Applications

  • Bluetooth Headsets
  • Digital Still, Video, and Action Cameras
  • Handheld Computers and Terminals
  • Health and Fitness Monitors
  • Home and Building Automation, Sensors
  • Medical Devices
  • Portable Game Players
  • Tablets, 2-in-1 Laptops
  • Toys
  • Wearables, Smartwatches
  • Wireless Speakers

Resources

pdf icon

ZIP

MAX17260GEVKIT Gerber File - Design Files Download

1.93M

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Evaluation Kits2

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MAX17260XEVKIT

Evaluation Kit for the MAX17260
evaluation kit item images

MAX17260GEVKIT

Evaluation Kit for the MAX17260

Reference Designs 1

Reference Designs1

MAXREFDES1219

MAXREFDES1219

1-Cell Battery USB Charger and Fuel Gauge

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