The Texas Instruments bq27510-G3 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 microcontroller firmware development. The bq27510-G3 resides on the
system’s main board and manages an embedded battery (non-removable) or a removable battery
The bq27510-G3 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 bq27510-G3 requires only PACK+ (P+), PACK– (P–), and
optional Thermistor (T) connections to a removable battery pack or embedded battery circuit.
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