BM3451 - 3/4/5 Cell Battery Protectors

BYD Microelectronics

BM3451 Datasheet Preview — Preview of BM3451 PDF

Datasheet Details

Part number	BM3451
Manufacturer	BYD Microelectronics
File Size	803.01 KB
Description	3/4/5 Cell Battery Protectors
Datasheet	BM3451-BYDMicroelectronics.pdf

BM3451 Product details

Description

The BM3451 is a professional protection IC for 3/4/5 cells rechargeable battery pack; it is highly integrated, and generally used in power tools, electric bicycles and UPS applications.

Features

(1) High-accuracy voltage detection for each cell.
overcharge threshold 3.6V~4.6V accuracy: ±25 mV (+25℃) accuracy: ±40 mV (-40℃ to +85℃).
overcharge hysteresis 0.1V accuracy: ±50 mV.
over-discharge threshold 1.6V~3.0V accuracy: ±80 mV.
over-discharge hysteresis 0V / 0.2V / 0.4V accuracy: ±100 mV (2) Three grades voltage detection of discharge overcurrent.
discharge overcurrent 1 0.025 V ~ 0.30 V (50 mV step).
discharge overcurrent 2 0.2 V / 0.3V / 0.4V.

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Published: Feb 24, 2017 |