BQ2947 Datasheet Overvoltage Protection

Manufacturer: Texas Instruments

BQ2947 overvoltage protection by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	BQ2947
Manufacturer	Texas Instruments
File Size	1.85 MB
Description	Overvoltage Protection
Datasheet	BQ2947 Datasheet

General Description

The BQ2947 family is an overvoltage monitor and protector for Li-Ion battery pack systems.

Each cell is monitored independently for an overvoltage condition.

In the BQ2947 device, an external delay timer is initiated upon detection of an overvoltage condition on any cell.

Overview

BQ2947 SLUSB15J – SEPTEMBER 2012 – REVISED MAY 2021 BQ2947 Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries with External Delay Capacitor.

Key Features

2-, 3-, and 4-series cell overvoltage protection.
External capacitor-programmed delay timer.
Factory programmed OVP threshold (threshold range 3.85 V to 4.6 V).
Output options: active high or open drain active low.
High-accuracy overvoltage protection: ±10 mV.
Low power consumption ICC ≈ 1 µA (VCELL(ALL) <.

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