BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK

S-8252 Series

Seiko Instruments Inc.

5

3. 2 SNT-6A

Table 3

Product Name

Over-

charge

Detection

Voltage

Over-

charge

Release

Voltage

Over-

discharge

Detection

Voltage

Over-

discharge

Release

Voltage

Discharge

Overcurrent

Detection

Voltage

Charge

Overcurrent

Detection

Voltage

0 V Battery

Charge

Function

Power-

down

Function

Delay Time

Combination

*1

S-8252AAA-I6T1U

4.280 V

4.080 V

2.00 V

2.00 V

0.20 V

−0.10 V

Unavailable Available

(1)

S-8252AAH-I6T1U

4.250 V

4.100 V

3.00 V

3.00 V

0.20 V

−0.20 V

Available

Available

(1)

S-8252AAM-I6T1U

4.250 V

4.050 V

2.40 V

3.00 V

0.10 V

−0.10 V

Available

Available

(1)

S-8252AAN-I6T1U

4.325 V

4.075 V

2.20 V

2.90 V

0.21 V

−0.10 V

Available

Available

(1)

S-8252AAY-I6T1U

4.250 V

4.050 V

3.00 V

3.20 V

0.15 V

−0.05 V

Unavailable Available

(2)

S-8252ABJ-I6T1U

4.300 V

4.100 V

2.40 V

3.00 V

0.21 V

−0.25 V

Unavailable Available

(1)

S-8252ABK-I6T1U

4.350 V

4.150 V

2.30 V

2.90 V

0.16 V

−0.40 V

Unavailable Available

(1)

S-8252ABL-I6T1U

4.300 V

4.100 V

2.40 V

2.60 V

0.24 V

−0.20 V

Unavailable Available

(5)

S-8252ABM-I6T1U

4.350 V

4.150 V

2.30 V

2.50 V

0.17 V

−0.40 V

Unavailable Available

(5)

S-8252ABO-I6T1U

4.300 V

4.100 V

2.30 V

2.70 V

0.23 V

−0.25 V

Unavailable Available

(5)

S-8252ABP-I6T1U

4.350 V

4.150 V

2.00 V

2.40 V

0.19 V

−0.40 V

Unavailable Available

(5)

*1. Refer to Table 4 about the details of the delay time combinations.

Remark Please contact our sales office for the products with detection voltage value other than those specified above.

Table 4

Delay Time

Combination

Overcharge

Detection

Delay Time

Overdischarge

Detection

Delay Time

Discharge Overcurrent

Detection

Delay Time

Load Short-circuiting

Detection

Delay Time

Charge Overcurrent

Detection

Delay Time

(1)

1.0 s

128 ms

8 ms

280

μs

8 ms

(2)

1.0 s

500 ms

8 ms

280

μs

8 ms

(3)

1.0 s

128 ms

8 ms

280

μs

−

(4)

1.0 s

128 ms

8 ms

1 ms

8 ms

(5)

1.0 s

128 ms

16 ms

280

μs

8 ms

Remark The delay times can be changed within the range listed Table 5. For details, please contact our sales office.

Table 5

Delay Time

Symbol

Selection Range

Remark

Overcharge detection delay time

256 ms

512 ms

1.0 s

*1

Select a value from the left.

Overdischarge detection delay time

32 ms

64 ms

128 ms

*1

Select a value from the left.

Discharge overcurrent detection delay time

4 ms

8 ms

*1

16 ms

Select a value from the left.

Load short-circuiting detection delay time

280

μs

*1

500

μs

1 ms

Select a value from the left.

Charge overcurrent detection delay time

4 ms

8 ms

*1

16 ms

Select a value from the left.

*1. This value is the delay time of the standard products.