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BQ2947

Texas Instruments
Part Number BQ2947
Manufacturer Texas Instruments
Description Overvoltage Protection
Published May 19, 2023
Detailed Description BQ2947 SLUSB15J – SEPTEMBER 2012 – REVISED MAY 2021 BQ2947 Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion B...
Datasheet PDF File BQ2947 PDF File

BQ2947
BQ2947

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 1 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) < VPROTECT) • Low leakage current per cell input < 100 nA • Small package footprint – 8-pin WSON (2.
00 mm x 2.
00 mm) 2 Applications • Notebooks • UPS battery backup 100 Ω 3 Description The BQ2947 family is an overv...


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