UB2421 ic equivalent, one cell lithium-ion / polymer battery protection ic.
* 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.
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 .
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