New Product Introduction

Maxim MAX17261 5.1µA multi-cell fuel gauge with ModelGauge m5 EZ

The MAX17261 is an ultra-low power fuel gauge IC which implements the Maxim ModelGauge™ m5 algorithm

Maxim  MAX17261 product diagram

The MAX17261 is an ultra-low power fuel gauge IC which implements the Maxim ModelGauge™ m5 algorithm. The IC monitors a multiple-series cell battery pack with an external resistor divider. 

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.

 

Key features

  • Low 5.1µA Operating Current
  • ModelGauge m5 EZ
  • Wide Sense Resistor Range: 1mΩ to 1000mΩ
  • No Characterization Required


Additional 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

Monitors Multiple-Cell Battery Pack

Wide Sense Resistor Range: 1mΩ to 1000mΩ

PCB Metal Sensing + 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


Applications

  • Action Cameras

Maxim MAX17261 5.1µA multi-cell fuel gauge | EBV Elektronik

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