UB209A

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 9

www.unisonic.com.tw

QW-R502-940.a



PIN CONFIGURATION

4

3

2

5

7

CTLD

CDT

CO

1

6

DO

8

CB

CTLC



PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

CTLC

Pin for charge control

2

CTLD

Pin for discharge control

3

Connection pin for input positive power supply, for battery’s positive voltage

4

CDT

Connection pin to capacitor for overcharge detection delay, for over discharge detection

delay

5

Input pin for negative power supply, Connection pin for battery’s negative voltage

6

DO

Output pin for discharge control (Nch open drain output)

7

CO

Output pin for charge control (Nch open drain output)

8

CB

Output pin for cell-balance control (CMOS output)