Single-cell fuel gauge with Impedance Track
The BQ27531YZFR-G1 is a single-cell Lithium-Ion battery fuel gauge from Texas Instruments' Impedance Track series, monitoring state-of-charge through the I²C interface. The 15-DSBGA package (0.5 mm pitch typical for this class) means the PCB layout must account for the fine-pitch BGA fan-out — a 2-layer board is tight; 4-layer with microvias is the safer call for production yield.
Active lifecycle and sourcing
No lead-time number here, but the active status means the factory pipeline is open.