BATTERY PROTECTION IC FOR 1-CELL PACK

S-8240B Series

7



Electrical Characteristics

1. Ta =

+25°C

Table 9

(Ta =

+25°C unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test

Circuit

Detection Voltage

Overcharge detection voltage

−

− 0.020

+ 0.020

V

1

Ta =

−10°C to +60°C

*1

− 0.025

+ 0.025

V

1

Overcharge release voltage

− 0.050

+ 0.050

V

1

− 0.025

+ 0.020

V

1

Overdischarge detection voltage

−

− 0.050

+ 0.050

V

2

Overdischarge release voltage

− 0.100

+ 0.100

V

2

− 0.050

+ 0.050

V

2

Discharge overcurrent detection voltage

−

− 0.003

+ 0.003

V

2

Load short-circuiting detection voltage

−

− 0.040

+ 0.040 V

2

Charge overcurrent detection voltage

−

− 0.003

+ 0.003

V

2

Discharge overcurrent release voltage

−

− 1.2

− 0.8

− 0.5

V

2

0 V Battery Charge Function

0 V battery charge starting charger voltage

0 V battery charge function

"available"

0.0

0.7

1.5

V

2

0 V battery charge function

"unavailable"

0.9

1.2

1.5

V

2

Internal Resistance

Resistance between VDD pin and VM pin

750

1500

3000

k

Ω

3

Resistance between VM pin and VSS pin

10

20

30

k

Ω

3

Input Voltage

Operation voltage between VDD pin and

VSS pin

−

1.5

−

6.0

V

−

Operation voltage between VDD pin and

VM pin

−

1.5

−

28

V

−

Input Current

Current consumption during operation

−

1.5

3.0

μA

3

Current consumption during power-down

−

−

50

nA

3

Current consumption during overdischarge

−

−

0.5

μA

3

Output Resistance

CO pin resistance "H"

−

5

10

20

k

Ω

4

CO pin resistance "L"

−

5

10

20

k

Ω

4

DO pin resistance "H"

−

5

10

20

k

Ω

4

DO pin resistance "L"

−

5

10

20

k

Ω

4

Delay Time

Overcharge detection delay time

−

× 0.7

× 1.3

−

5

Overdischarge detection delay time

−

× 0.7

× 1.3

−

5

Discharge overcurrent detection delay time

−

× 0.7

× 1.3

−

5

Load short-circuiting detection delay time

−

× 0.7

× 1.3

−

5

Charge overcurrent detection delay time

−

× 0.7

× 1.3

−

5

*1. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by

design, not tested in production.