BQ77904 Datasheet | Texas Instruments

BQ77904, BQ77905 SLUSCM3K - JUNE 2016 - REVISED JULY 2020 BQ77904, BQ77905 3-Series to 20-Series Ultra Low-Power Voltage, Current, Temperature, and Open-Wire Stackable Lithium-Ion Battery Protector 1 Features - NORMAL mode: 6 µA (BQ77904 and BQ77905) - Full suite of voltage, current, and temperature protections - Scalable cell count from 3 series to 20 series or more - Voltage protection (accuracy ±10 m V) - Overvoltage: 3 V to 4.575 V - Undervoltage: 1.2 V to 3 V - Open cell and open-wire detection (OW) - Current Protection - Overcurrent discharge 1: - 10 m V to - 85 m V - Overcurrent discharge 2: - 20 m V to +170 m V - Short circuit discharge: - 40 m V to +340 m V - Accuracy ±20% for ≤ 20 m V, ±30% for > 20 m V across full temperature - Temperature protection - Overtemperature charge: 45°C or 50°C - Overtemperature discharge: 65°C or 70°C - Undertemperature charge: - 5°C or 0°C - Undertemperature discharge: - 20°C or -...