BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK

S-8233C Series

Seiko Instruments Inc.

4

Pin Configurations

Table2

No.

Name

Description

1

DOP

Connects FET gate for discharge control (CMOS output)

2

NC

Non connect

*1

3

COP

Connects FET gate for charge control (Nch open-drain output)

4

VMP

Detects voltage between VCC to VMP(Over current detection pin)

5

COVT

Connects capacitor for over current detection 1 delay circuit

6

CDT

Connects capacitor for over discharge detection delay circuit

7

CCT

Connects capacitor for over charge detection delay circuit

8

VSS

Negative power input, and connects negative voltage for battery 3

9

CTL

Charge/discharge control signal input

10

DSO

Over discharge condition signal output

11

VC2

Connects battery 2 negative voltage and battery 3 positive voltage

12

ISO

Over current condition signal output

13

VC1

Connects battery 1 negative voltage and battery 2 positive voltage

14

CSO

Over voltage condition signal output

15

NC

Non connect

*1

16

VCC

Positive power input and connects battery 1 positive voltage

*1. The NC pin is electrically open. The NC pin can be connected to VCC or VSS

.

16-Pin TSSOP

Top View

COVT

8

7

6

5

3

2

4

1

11

16

9

10

12

14

15

13

DOP

NC

COP

VMP

CDT

CCT

VSS

VCC

NC

CSO

VC1

ISO

VC2

DSO

CTL

Figure 2

Absolute Maximum Ratings

Table3

(Ta

= 25 °C unless otherwise specified)

Item

Sym.

Applied Pins

Rating

Unit

Input voltage between VCC and VSS

−

V

Input terminal voltage

VC1,VC2,CTL,CCT,CDT,COVT

V

VMP Input terminal voltage

VMP

V

CSO,ISO,DSO output terminal voltage

CSO,ISO,DSO

V

DOP output terminal voltage

DOP

V

COP output terminal voltage

COP

V

Power dissipation

−

300

mW

Operating temperature range

Topr

−

-20 to +70

°C

Storage temperature range

Tstg

−

-40 to +125

°C

Caution The absolute maximum ratings are rated values exceeding which the product could

suffer physical damage. These values must therefore not be exceeded under any

conditions.