UB244AL-AF-SM1-R datasheet(2/11 Pages) UTC

2 / 11 page

UB244A

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 11

www.unisonic.com.tw

QW-R502-857.a

PIN CONFIGURATION

PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

VCC

Positive power input pin

SENSE

Positive voltage connection pin of battery 1

VC1

Negative voltage connection pin of battery 1

Positive voltage connection pin of battery 2

VC2

Negative voltage connection pin of battery 2

Positive voltage connection pin of battery 3

VC3

Negative voltage connection pin of battery 3

Positive voltage connection pin of battery 4

VSS

Negative power input pin

Negative voltage connection pin of battery 4

ICT

Capacitor connection pin for overcharge detection delay

FET gate connection pin for charge

SERIAL CODE LIST

MODEL

CODE

OVERCHARGE DETECTION

VOLTAGE

[VCU](V)

OVERCHARGE HYSTERSIS

VOLTAGE

[VCD](V)

OUTPUT FORM

UB244A

4.450±0.050

0.380±0.10

CMOS output active “H”

4.115±0.050

0.130±0.04

CMOS output active “H”

4.350±0.050

0.045±0.02

CMOS output active “H”

4.450±0.050

0.045±0.02

CMOS output active “H”

4.300±0.050

0.250±0.07

CMOS output active “H”

4.400±0.050

0.045±0.02

CMOS output active “H”

4.500±0.050

0.380±0.10

CMOS output active “H”

4.475±0.050

0.380±0.10

CMOS output active “H”

4.350±0.050

0.250±0.07

CMOS output active “H”

4.150±0.050

0.250±0.07

CMOS output active “H”

4.250±0.050

0.250±0.07

CMOS output active “H”

4.050±0.050

0.250±0.07

CMOS output active “H”

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