• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.

• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

MITSUMI

3 to 5cells lithium-ion/lithium-polymer battery protection IC

Application Circuit

· 10 cells protection circuit

P+

P−

TH

100

100

10m

5.6m

4.3m

ZD1

ZD2

D2

1k

1k

2.2k

0.1µF

0.1µF

0.1µF

0.1µF

0.001µF

0.001µF

0.1µF

Discharge

control

FET

Charge

control

FET

0.1µF

10.0µF

1.0µF

1.0µF

1.0µF

1.0µF

1.0µF

1.0µF

1.0µF

1.0µF

1.0µF

1.0µF

2nd Protection

Thermistor

D

S

G

G

G

D

DS

G

S

DS

G

SD

G

SD

G

DS

SC Protector

D1

20

1

2

3

4

5

6

7

8

9

10

MM3474 (1)

MM3474 (2)

19

18

17

16

15

14

13

12

11

V5

V4

V2

V3

V1

SEL2

SOC

SDC

SEL1

OV

COV

CDC

COL1

COL2

VSS1

VSS2

CS

DCHG

V−

20

1

2

3

4

5

6

7

8

9

10

19

18

17

16

15

14

13

12

11

V5

V4

V2

V3

V1

SEL2

SOC

SDC

SEL1

OV

COV

CDC

COL1

COL2

VSS1

VSS2

CS

DCHG

V−

1k

1k

10.0µF

470k

470k

0.1µF

0.1µF

10m

10m

2.2k

1k

V10

V9

V8

V7

V6

V5

V4

V3

V2

V1

This circuit is shown as an example of typical application for reference.

According to the conditions which are actually used, the maximum rating (voltage, power dissipation, ESD

tolerance, etc.) of each parts should be verified enough.

Mitsumi Electric Co., Ltd. assumes no responsibility for any trouble or damage as a result of the use beyond

standard range of this product indicated to the electrical characteristics of this specifications.