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Battery Fuel Gauges

Maxim’s highly accurate gauges are needed to avoid surprise shutdowns and for a positive user experience

Image of Maxim Integrated's Battery Fuel GaugesMaxim’s battery fuel gauges, also known as battery gas gauges, ascertain battery state-of-charge (SOC) and state-of-health. A battery fuel gauge IC can predict how much longer the battery can continue to provide power under specific operating conditions. Common complaints about any battery-powered device include inadequate battery life and unreliable battery SOC reporting. Users need highly accurate battery fuel gauges to avoid surprise shutdowns for a critical positive user experience.

Maxim's battery fuel gauges have been successfully used in over one billion devices. Time-to-empty, time-to-full, battery age forecasting, and dynamic power features extend the run-time of transient loads.

Features
  • Highest accuracy SOC reporting, even in very low temperatures and very high load conditions
  • Low quiescent current for low-power applications such as wearables
  • Strong SHA-256 authentication to prevent counterfeit battery packs
  • Communication interfaces: I2C, 1-wire, and SMBus
  • Integrated protection to save space and simplify battery pack design
  • Easy setup without battery characterization (ModelGauge™ m5 EZ)
  • Easy manufacturability with short programming times and no calibration
Applications
  • Smartphones
  • Tablets
  • AR/VR glasses
  • mPOS (mobile point-of-sale)
  • Smartwatches
  • Health and fitness monitors
  • Portable game players
  • Power tools
  • Toys

Battery Fuel Gauges

ImageManufacturer Part NumberDescriptionFunctionNumber of CellsInterfaceAvailable QuantityView Details
IC BATT FUEL LI-ION 1 CELL 15WLPMAX17301X+IC BATT FUEL LI-ION 1 CELL 15WLPFuel Gauge1I²C395 - ImmediateView Details
IC BATT FUEL LI-ION 1 CELL 15WLPMAX17302X+IC BATT FUEL LI-ION 1 CELL 15WLPFuel Gauge1I²C100 - ImmediateView Details
IC BATT FUEL LI-ION 1 CELL 15WLPMAX17303X+IC BATT FUEL LI-ION 1 CELL 15WLPFuel Gauge1I²C242 - ImmediateView Details
IC BATT FUEL LI-ION 1 CELL 15WLPMAX17311X+IC BATT FUEL LI-ION 1 CELL 15WLPFuel Gauge1I²C250 - ImmediateView Details
IC BATT FUEL LI-ION 1 CELL 15WLPMAX17312X+IC BATT FUEL LI-ION 1 CELL 15WLPFuel Gauge1I²C100 - ImmediateView Details
IC BATT FUEL LI-ION 1 CELL 15WLPMAX17313X+IC BATT FUEL LI-ION 1 CELL 15WLPFuel Gauge1I²C500 - ImmediateView Details

Evaluation Kits

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
EVAL MAX17301 MODELGAUGEMAX17301XEVKIT#EVAL MAX17301 MODELGAUGE2 - ImmediateView Details
EVAL MAX17302 MODELGAUGEMAX17302XEVKIT#EVAL MAX17302 MODELGAUGE3 - Immediate
14 - Factory Stock
View Details
EVAL MAX17303 MODELGAUGEMAX17303XEVKIT#EVAL MAX17303 MODELGAUGE1 - ImmediateView Details
EVAL MAX17311 MODELGAUGEMAX17311XEVKIT#EVAL MAX17311 MODELGAUGE2 - Immediate
10 - Factory Stock
View Details
EVAL MAX17312 MODELGAUGEMAX17312XEVKIT#EVAL MAX17312 MODELGAUGE3 - Immediate
7 - Factory Stock
View Details
EVAL MAX17313 MODELGAUGEMAX17313XEVKIT#EVAL MAX17313 MODELGAUGE1 - Immediate
12 - Factory Stock
View Details

Associated Product

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC FUEL GAUGE SINGL/MULTI 14TDFNMAX17263LETD+IC FUEL GAUGE SINGL/MULTI 14TDFN247 - ImmediateView Details
Published: 2019-08-13