Power Electronics / Power Management


Battery protectors with integrated fuel gauges

25 September 2019 Power Electronics / Power Management

Designers concerned about battery safety now have access to an advanced battery protector with integrated fuel gauges from Maxim Integrated Products. The newest 1-cell, pack-side ICs in this portfolio are the MAX17301 and the MAX17311, which offer a host of configurable settings for battery safety and allow fine-tuning of voltage and current thresholds based on various temperature zones.

These ICs also offer a first-of-its-kind secondary protection scheme in case the primary protection fails. This secondary protection scheme permanently disables the battery by overriding a secondary protector or blowing a fuse in severe fault conditions.

All ICs in the family are equipped with Maxim’s patented ModelGauge m5 EZ algorithm that delivers enhanced state-of-charge (SOC) accuracy. These fuel gauges also offer very low quiescent current and feature SHA-256 authentication to safeguard the systems from counterfeit batteries.


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