System-Side Impedance Track(TM) Fuel Gauge

The Texas Instruments BQ27500 BQ27501 System-Side Li-Ion Battery Fuel Gauge is a micro-controller peripheral that provides fuel gauging for single cell Li-Ion battery packs. The device requires little system micro-controller firmware development. The BQ27500 01 resides on the system s main board, and manages an embedded battery (non-removable) or a removable battery pack. The BQ27500 01 uses the patented Impedance Track algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (min.), battery voltage (mV), and temperature ( C). Battery fuel gauging with the BQ27500 requires only PACK+ (P+), PACK- (P-), and Thermistor (T) connections to a removable battery pack or embedded battery circuit. The BQ27501 works with identification resistors in battery packs, to gauge batteries of different fundamental chemistries and/or significantly different rated capacities. By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ27501DRZR Texas Instruments Complete System Side Battery Fuel Gauge with Impedance Track™ technology 12-SON -40 to 85
BQ27501DRZT Texas Instruments Complete System Side Battery Fuel Gauge with Impedance Track™ technology 12-SON -40 to 85
BQ27501 's PackagesBQ27501 's pdf datasheet
BQ27500DRZR SON
BQ27500DRZT SON




BQ27501 Pinout, Pinouts
BQ27501 pinout,Pin out
This is one package pinout of BQ27501,If you need more pinouts please download BQ27501's pdf datasheet.

BQ27501 Application circuits
BQ27501 circuits
This is one application circuit of BQ27501,If you need more circuits,please download BQ27501's pdf datasheet.


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BQ27501 Application Notes BQ27501 RoHS BQ27501 Circuits BQ27501 footprint