UB2421 Datasheet (UTC) - ONE CELL LITHIUM-ION / POLYMER BATTERY PROTECTION IC

UB2421, ONE CELL LITHIUM-ION / POLYMER BATTERY PROTECTION IC

UTC UB2421 is a lithium-ion / lithium-polymer rechargeable 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.

The t

UB2421 Features

* 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: