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Tag: fuel gauge
MAX17330X22+ Standalone 1-Cell Charger, Fuel Gauge, and Protector
Maxim's highly integrated charger, fuel gauge, protector, and battery internal self-discharge detection IC for 1-cell lithium-ion/polymer batteries Maxim's MAX17330 regulates charge voltage, current, and FET temperature with stand-alone charging supported by flexible configuration in...
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BQ27220 – Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles
The Texas Instruments bq27220 battery fuel gauge is a single-cell gauge that requires minimal user configuration and system microcontroller firmware development, leading to quick system bring-up. The bq27220 device uses the Compensated End-of-Discharge Voltage (CEDV) algorithm for fuel...
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Fuel gauges offer highest level of battery protection
Maxim's MAX17301 and the MAX17311 1-cell fuel gauge devices allow fine tuning of voltage and current thresholds based on various temperature zones with a low quiescent current of 24μA Maxim Integrated Products has developed a 1-cell battery fuel gauge that can provide counterfeit and...
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Fuel gauge needs no battery characterization
by Susan Nordyk @ edn.com The MAX17055 single-cell fuel gauge from Maxim not only eliminates battery characterization, but also keeps SOC (state-of-charge) error to within 1% in most scenarios. With its ModelGauge m5 EZ algorithm, the device provides tolerance against battery...
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MAX17055 – a 7μA operating current fuel gauge
by Graham Prophet @ eedesignnewseurope.com Maxim Integrated has posted details of a battery charge monitor IC for which it claims the lowest quiescent current available, at 7µA. The 1-cell Fuel Gauge with Maxim’s ModelGauge m5 EZ algorithm can eliminate battery characterization...
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Fuel-gauge ICs help prevent battery clones
Maxim’s family of ModelGauge m5 standalone fuel gauges provides SHA-256 authentication with a 160-bit secret key to make it harder to clone battery packs. The ICs also implement the ModelGauge m5 algorithm, which converts raw measurements of battery voltage, current, and temperature...
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