System-Side Impedance Track™ Fuel Gauge

The Texas Instruments bq27505 system-side Li-Ion Battery Fuel Gauge is a Microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system micro- controller firmware development. The bq27505 resides on the system’s main board and manages an embedded battery (non-removable) or a removable battery pack. The bq27505 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), temperature (°C) and state of health (%). Battery fuel gauging with the bq27505 requires only PACK+ (P+), PACK– (P–), and Thermistor (T) connections to a removable battery pack or embedded battery circuit. The CSP option is a 12-ball package in the dimensions of 2,43 mm × 1,96 mm with 0,5 mm lead pitch. It is ideal for space constrained applications. By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ27505YZGR-J5 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGT-J5 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGT-J4 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGR-J3 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGT-J3 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGR-J2 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGT-J2 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505YZGR-J4 Texas Instruments System-Side Impedance Track™ Fuel Gauge 12-DSBGA -40 to 85
BQ27505-J3 's PackagesBQ27505-J3 's pdf datasheet
BQ27505YZGR-J3
BQ27505YZGT-J3




BQ27505-J3 Pinout, Pinouts
BQ27505-J3 pinout,Pin out
This is one package pinout of BQ27505-J3,If you need more pinouts please download BQ27505-J3's pdf datasheet.

BQ27505-J3 Application circuits
BQ27505-J3 circuits
This is one application circuit of BQ27505-J3,If you need more circuits,please download BQ27505-J3's pdf datasheet.


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