MAX17320 2 to 4 series cell Li-ion fuel gauge IC is industry’s first to monitor self-discharge during operation while extending battery life with highest accuracy and lowest quiescent current

The new MAX17320 high-accuracy fuel-gauge and protection circuit from Maxim Integrated Products, Inc. extends run-time on multi-cell battery-powered products while also monitoring against self-discharge hazards. The MAX17320 is a pack-side fuel gauge and protector IC for 2 to 4 series Lithium-ion (Li+) cells (2S-4S) and is part of a family of ICs equipped with Maxim Integrated’s patented ModelGauge™ m5 EZ algorithm that delivers 40 percent more accurate state-of-charge (SOC) readings than competitive offerings, eliminating the need for battery characterization for most common Li+ cells. This fuel gauge also offers the industry’s lowest quiescent current (IQ), which is 85 percent lower than the nearest competitor and features SHA-256 authentication to safeguard systems from counterfeit batteries.

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