BATTERY PROTECTION IC FOR 1-CELL PACK

S-8261 Series

Seiko Instruments Inc.

5

Table 1 (2 / 2)

Product name

Overcharge

detection

voltage

Overcharge

hysteresis

voltage

Overdischarge

detection

voltage

Overdischarge

hysteresis

voltage

Overcurrent 1

detection

voltage

0 V battery

charge

function

Delay

time

combi-

nation

*1

Power-down

function

S-8261ACMMD-G4MT2x

4.325 V

0.20 V

3.00 V

0.4 V

0.06 V

Unavailable

(1)

Yes

S-8261ACNMD-G4NT2x

4.215 V

0.10 V

2.30 V

0.1 V

0.13 V

Unavailable

(1)

Yes

S-8261ACSMD-G4ST2y

4.350 V

0.10 V

2.30 V

0.1 V

0.15 V

Available

(6)

Yes

*1. Refer to the Table 2 about the details of the delay time combinations (1) to (9).

Remark 1.

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

2.

x: G or U

3.

y: S or U

4.

Please select products of environmental code = U for Sn 100%, halogen-free products.

Table 2

Delay time

combination

Overcharge

detection

delay time

Overdischarge

detection

delay time

Overcurrent 1

detection

delay time

Overcurrent 2

detection

delay time

Load short-circuiting

detection

delay time

(1)

1.2 s

144 ms

9 ms

2.24 ms

320

μs

(2)

1.2 s

144 ms

4.5 ms

2.24 ms

320

μs

(3)

4.6 s

36 ms

18 ms

9 ms

320

μs

(4)

4.6 s

144 ms

9 ms

2.24 ms

320

μs

(5)

1.2 s

36 ms

9 ms

2.24 ms

320

μs

(6)

1.2 s

144 ms

9 ms

1.12 ms

320

μs

(7)

1.2 s

290 ms

18 ms

2.24 ms

320

μs

(8)

1.2 s

144 ms

18 ms

2.24 ms

320

μs

(9)

0.3 s

36 ms

9 ms

1.12 ms

320

μs

Remark The delay times can be changed within the range listed Table 3. For details, please contact our sales office.

Table 3

Delay time

Symbol

Selection range

Remarks

Overcharge detection delay time

0.15 s

1.2 s

*1

4.6 s

Choose from the left.

Overdischarge detection delay time

36 ms

144 ms

*1

290 ms

Choose from the left.

Overcurrent 1 detection delay time

4.5 ms

9 ms

*1

18 ms

Choose from the left.

Overcurrent 2 detection delay time

1.12 ms

2.24 ms

*1

⎯

Choose from the left.

Load short-circuiting detection delay time

⎯

320

μs

*1

600

μs

Choose from the left.

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