BQ76920, BQ76930, BQ76940
SLUSBK2I – OCTOBER 2013 – REVISED MARCH 2022
BQ769x0 3-Series to 15-Series Cell Battery Monitor Family for Li-Ion and Phosphate Applications
1 Features
• AFE monitoring features
– Pure digital interface – Internal ADC measures cell
voltage, die
temperature, and external thermistor – A separate, internal ADC measures pack
current (coulomb counter) – Directly supports up to three thermistors
(103AT) • Hardware protection features
– Overcurrent in Discharge (OCD) – Short Circuit in Discharge (SCD) – Over
voltage (OV) – Under
voltage (UV) – Secondary protector fault detection • Additional features
– Integrated cell balancing FETs – Charge, discharge low-side NCH FET driv...