MAX17055

PRODUCTION

7µA 1-Cell Fuel Gauge with ModelGauge m5 EZ

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

Data Sheet (Rev. 0) Product Selection Table
Part Models
4
1ku List Price
Starting From $1.44
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Part Details

  • ModelGauge m5 EZ
    • No Characterization Required for EZ Performance
    • Robust Against Battery Variation
    • Eliminates Error Near Empty Voltage
    • Eliminates Coulomb Counter Drift
    • Current, Temperature, and Age Compensated
    • Does Not Require Empty, Full, or Idle States
  • Low 7µA Operating Current
  • Wide Sense Resistor Range
    • 1mΩ to 1000mΩ
    • PCB Metal Sensing + Temperature Compensation
  • Supports Li+ and Variants Including LiFePO4
  • ±1°C Internal Temperature or Thermistor
  • Dynamic Power Estimates Power Capability During Discharge
  • Time-to-Empty and Time-to-Full Estimation
    • Constant Power or Constant Current
  • Predicts Remaining Capacity Under Theoretical Load
  • Precision Measurement System
    • No Calibration Required
  • Alert Indicator for Voltage, SOC, Temperature, Current, and 1% SOC Change
MAX17055
7µA 1-Cell Fuel Gauge with ModelGauge m5 EZ
MAX17055: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Design Note 1

Technical Articles 2

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
Battery Fuel Gauge and Coulomb Counter 2
MAX17048
RECOMMENDED FOR NEW DESIGNS 3µA 1-Cell/2-Cell Fuel Gauge with ModelGauge
MAX17050
PRODUCTION 1-Cell Fuel Gauge with ModelGauge m3
Battery ID and Authentication 1
MAX17201
PRODUCTION Stand-Alone ModelGauge m5 Fuel Gauge with SHA-256 Authentication
PMIC (DC/DC, PowerPath, and Battery Charger) 1
MAX77650
PRODUCTION Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li+
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Tools & Simulations

Software Development 2

Evaluation Kits

eval board
schematic 1
MAX32620FTHR

Evaluation Kit for the MAX32620/MAX77650/MAX17055

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Features and Benefits

  • Convenient Development Platform
    • 0.9in x 2.0in DIP Form Factor
      • Breadboard Compatible
      • Feather Wing Compatible
    • Pmod-Compatible Sockets
      • Supports SPI, UART, I2C, and GPIO
      • Accessible from Both Sides of Board
    • Integrated Battery Management
      • Single-Cell Li+ Charger
      • Fuel Gauge
    • User Interface Peripherals
      • Two RGB LEDs
      • Two Pushbuttons
  • MAX32620 Microcontroller Features
    • 96MHz Arm Cortex-M4 Microcontroller with FPU
    • 2048KB Flash
    • 256KB SRAM
    • Full-Speed USB
    • SPI, I2C, UART, and 1-Wire
    • 4-Channel 10-Bit ADC
    • 49 Dual Voltage GPIO
    • 3.9mm x 4.1mm, 81-Bump WLP
  • MAX77650 Ultra-Low Power PMIC Features
    • Smart Power Selector Charger
      • Supports Li+/Li-Poly Batteries
      • 7.5mA to 300mA Charge Current
    • Single Inductor Multiple Output (SIMO) Buck-Boost Regulator
      • 3 Outputs from a Single Inductor
    • 150mA LDO Regulator
    • I2C Configurable
    • 2.75mm x 2.15mm, 30-Bump WLP
  • MAX17055 Fuel Gauge Features
    • ModelGauge m5 EZ
      • Eliminates Battery Characterization
      • Eliminates Coulomb Counter Drift
    • 7µA Operating Current
    • 1.4mm x 1.5mm, 9-Bump WLP

Product Details

The MAX32620FTHR board is a rapid development platform designed to help engineers quickly implement battery-optimized solutions with the MAX32620 Arm® Cortex®-M4 microcontroller with FPU. The board also includes the MAX77650 ultra-low power PMIC and MAX17055 fuel gauge to provide efficient power conversion and battery management with minimal board space. The form factor is a small 0.9in x 2.0in dual-row header footprint that is compatible with breadboards and off-theshelf peripheral expansion boards. In addition to the dualrow headers, there are also two 12-pin Pmod™-compatible socket connectors for more expansion options. Also on board are common user-interface peripherals including two RGB indicator LEDs and two pushbuttons. These provide a power-optimized flexible platform for quick proofs-of-concept and early software development to enhance time to market.

Applications

  • Fitness Monitors
  • Portable Medical Devices
  • Sensor Hub
  • Sport Watches
  • Wearable Medical Patches

MAX17055GEVKIT

Evaluation Kit for the MAX17055

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Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors 1-Cell Lithium-Ion Battery Packs
  • Battery Pack Input Voltage Range of +2.3V to +4.9V
  • On-chip Temperature Measurement and External Thermistor Measurement Network
  • Optional On-Board PCB Trace Sense Resistor
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17055G/MAX17055X 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 MAX17055G/MAX17055X 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 kit and can be downloaded from Maxim’s website www.maximintegrated.com/evkitsoftware. Windows 7 or newer Windows operating system is required to use 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
  • Smartphones
  • Tablets, 2-in-1 Laptops
  • Toys
  • Wearables, Smartwatches
  • Wireless Speakers

MAX17055XEVKIT

Evaluation Kit for the MAX17055

Buy Now View Details

Features and Benefits

  • ModelGauge m5 Algorithm
  • Monitors 1-Cell Lithium-Ion Battery Packs
  • Battery Pack Input Voltage Range of +2.3V to +4.9V
  • On-chip Temperature Measurement and External Thermistor Measurement Network
  • Optional On-Board PCB Trace Sense Resistor
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17055G/MAX17055X 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 MAX17055G/MAX17055X 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 kit and can be downloaded from Maxim’s website www.maximintegrated.com/evkitsoftware. Windows 7 or newer Windows operating system is required to use 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
  • Smartphones
  • Tablets, 2-in-1 Laptops
  • Toys
  • Wearables, Smartwatches
  • Wireless Speakers
MAX32620FTHR
Evaluation Kit for the MAX32620/MAX77650/MAX17055
MAX32620FTHR: Board Photo
MAX17055GEVKIT
Evaluation Kit for the MAX17055
MAX17055XEVKIT
Evaluation Kit for the MAX17055

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