Datasheet Details
| Part number | UB2421 |
|---|---|
| Manufacturer | Unisonic Technologies |
| File Size | 370.35 KB |
| Description | ONE CELL LITHIUM-ION / POLYMER BATTERY PROTECTION IC |
| Datasheet |
 UB2421 Datasheet
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General Description
battery protection IC incorporating high accuracy voltage detection circuits and delay circuits.
It is suitable for protection of single cell lithium-ion / lithium polymer battery packs from overcharge, over discharge and over current.
Key Features
- S.
- Wide supply voltage range: VDD=1.8V~6.5V.
- Ultra-low quiescent current: IDD=3.0μA (VDD=3.5V).
- Ultra-low power-down current: IPD=0.2μA (VDD=2.0V).
- Overcharge detection voltage: VOCU=4.30V±0.05V.
- Overcharge release voltage: VOCR=4.10V±0.05V.
- Overdischarge release voltage: VODL=2.40V±0.10V.
- Overdischarge release voltage: VODR=3.00V±0.10V.
- Over current detection voltage: VOI1=0.15V±0.05V.
- Short circuit detection voltage: VOI2=1.35V (Fixed).
- Charger.