UB2421

Preliminary

CMOS IC

www.unisonic.com.tw

4 of 11

Copyright © 2012 Unisonic Technologies Co., Ltd

QW-R502-321.e

PARAMETER

SYMBOL

RATINGS

UNIT

V

OC Output Pin Voltage

V

OD Output Pin Voltage

V

CSI Input Pin Voltage

V

Operating Temperature

-40~+85

°С

Storage Temperature

-40~+125

°С

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CURRENT CONSUMPTION

Supply Current

3.0

6.0

µA

Power-Down Current

0.1

µA

OPERATING VOLTAGE

Operating Input Voltage

1.8

9.0

V

DETECTION VOLTAGE

Overcharge Voltage

Detection

4.25

4.30

4.35

V

Release

4.05

4.10

4.15

V

Overdischarge Voltage

Detection

2.30

2.40

2.50

V

Release

2.90

3.00

3.10

V

Over Current Detection Voltage

0.12

0.15

0.18

V

Short Circuit Detection Voltage

1.0

1.35

1.75

V

Charger Detection Voltage

-1.2

-0.7

-0.2

V

DELAY TIME

Overcharge Detection Delay Time

80

200

ms

5

15

ms

Overdischarge Detection Delay Time.

40

100

ms

2.5

8.5

ms

Over Current Detection Delay Time

10

20

ms

Short Circuit Detection Delay Time

10

50

µs

OTHER ITEMS

OC Pin Output Voltage

High

V

Low

0.1

0.5

V

OD Pin Output Voltage

High

V

Low

0.1

0.5

V