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UB244A

Part Number	UB244A
Manufacturer	UTC
Description	LI-ION BATTERY PROTECTION IC
Published	May 5, 2014
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UB244A Preliminary CMOS IC LI-ION BATTERY PROTECTION IC FOR 1-CELL TO 4-CELL PACK (SECON...
Datasheet	UB244A PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UB244A Preliminary CMOS IC LI-ION BATTERY PROTECTION IC FOR 1-CELL TO 4-CELL PACK (SECONDARY PROTECTION) DESCRIPTION The UTC UB244A Series is secondary protection IC for 1-, 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit.
The UTC UB244A Series also includes a high accuracy delay circuit for over voltage detection time can be set by an external capacitor.
FEATURES * High-accuracy voltage detection circuit for each cell * Overcharge detection voltage n (n=1 to 4): 4.
05V to 4.
50V (in 50mV steps) * Overcharge hysteresis voltage n (n=1 to 4): 0.
38V±0.
10V, 0.
25V±0.
07V, 0.
13V±0.
04V, 0.
045V±...

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