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MAX17040 - Low-Cost 1S/2S Fuel Gauges

General Description

The MAX17040/MAX17041 are ultra-compact, low-cost, host-side fuel-gauge systems for lithium-ion (Li+) batteries in handheld and portable equipment.

The MAX17040 is configured to operate with a single lithium cell and the MAX17041 is configured for a dual-cell 2S pack.

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EVALUATION KIT AVAILABLE AVAILABLE MAX17040/MAX17041 Compact, Low-Cost 1S/2S Fuel Gauges General Description The MAX17040/MAX17041 are ultra-compact, low-cost, host-side fuel-gauge systems for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17040 is configured to operate with a single lithium cell and the MAX17041 is configured for a dual-cell 2S pack. The MAX17040/MAX17041 use a sophisticated Li+ battery-modeling scheme, called ModelGauge™ to track the battery’s relative state-of-charge (SOC) continuously over a widely varying charge/discharge profile. Unlike traditional fuel gauges, the ModelGauge algorithm eliminates the need for battery relearn cycles and an external current-sense resistor.