By Texas Instruments 585
The Texas Instruments' bq27441-G1 is an easy-to-configure microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires minimal user configuration and system microcontroller firmware development.
The bq27441-G1 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV). Battery fuel gauging with the bq27441-G1 requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery circuit. The tiny 12-pin 2.5 × 4 mm SON package is ideal for space-constrained applications.
Applications include smartphones, feature phones, tablets, digital still and video cameras, handheld terminals, and MP3 or multimedia players.
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