UB244A

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

9 of 11

www.unisonic.com.tw

QW-R502-857.a

TYPICAL APPLICATION CIRCUIT(Cont.)

(4) Connection Example 4 (for 2-cells)

BAT1

BAT2

R2

R1

C1

C2

SENSE

VC1

VC2

VC3

VSS

CO

UTC

UB244A

EB+

EB-

FET

SC PROTECTOR

ICT

VCC

Constants for External Components 4

SYMBOL

MIN

TYP

MAX

UNIT

R1 to R2

0

1 k

10 k

Ω

C1 to C2

0

0.1

1

μF

0

100

1 k

Ω

0

0.1

1

μF

0

0.1

1

μF

Notes:

1.

The above constants may be changed without notice.

2.

It has not been confirmed whether the operation is normal or not in circuits other than the above

example of connection. In addition, the example of connection shown above and the constant do not

guarantee proper operation. Perform through evaluation using the actual application to set the

constant.