Datasheet Details
| Part number | BM3451 |
|---|---|
| Manufacturer | BYD Microelectronics |
| File Size | 803.01 KB |
| Description | 3/4/5 Cell Battery Protectors |
| Datasheet |
 BM3451 Datasheet
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General 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.
Key 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.