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

Product Overview

UTC

UB2421 ONE CELL LITHIUM-ION / POLYMER BATTERY PROTECTION IC by UTC - Datasheet Preview — Datasheet preview – UB2421

Datasheet Details

Part number	UB2421
Manufacturer	UTC
File Size	370.35 KB
Description	ONE CELL LITHIUM-ION / POLYMER BATTERY PROTECTION IC
Datasheet	UB2421 Datasheet
Additional preview pages of the UB2421 datasheet.

Product details

Description

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 tiny package required external few components make the UTC UB2421 be able to be applied to space limited battery pack.4 5 6 23 1 SOT-26

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.

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Published: May 5, 2014 |