S-8240BAA-I6T1U Datasheet, PDF (4/37 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8240B Series
Rev.1.0_00
3. 2 HSNT-6 (1212)
Product Name
S-8240BAA-A6T2U
S-8240BAB-A6T2U
Overcharge
Detection
Voltage
[V_CU]
4.425 V
4.475 V
Overcharge
Release
Voltage
[V_CL]
4.225 V
4.275 V
Table 3 (1 / 2)
Overdischarge
Detection
Voltage
[V_DL]
Overdischarge
Release
Voltage
[V_DU]
2.500 V
2.900 V
2.300 V
2.700 V
Discharge
Overcurrent
Detection Voltage
[V_DIOV]
0.020 V
0.028 V
Load Short-
Charge
circuiting
Overcurrent
Detection Voltage Detection Voltage
[V_SHORT]
[V_CIOV]
0.070 V
−0.020 V
0.153 V
−0.028 V
Table 3 (2 / 2)
Product Name
Delay Time
Combination^*1
0 V Battery
Charge Function
Power-down Function
S-8240BAA-A6T2U
(1)
Available
Unavailable
S-8240BAB-A6T2U
(2)
Available
Unavailable
*1. Refer to Table 4 about the details of the delay time combinations.
Release Condition
of Discharge
Overcurrent Status
Load disconnection
Load disconnection
Release Voltage of
Discharge Overcurrent
Status
VRIOV
VRIOV
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
[t_CU]
Overdischarge
Detection
Delay Time
[t_DL]
Discharge Overcurrent
Detection
Delay Time
[t_DIOV]
Load Short-circuiting
Detection
Delay Time
[t_SHORT]
Charge Overcurrent
Detection
Delay Time
[t_CIOV]
(1)
1.0 s
64 ms
8 ms
280 μs
8 ms
(2)
1.0 s
64 ms
16 ms
530 μs
16 ms
(3)
1.0 s
64 ms
64 ms
280 μs
64 ms
Remark The delay times can be changed within the range listed in Table 5. For details, please contact our sales office.
Delay Time
Overcharge detection delay time
Overdischarge detection delay time
Discharge overcurrent detection delay time
Load short-circuiting detection delay time
Charge overcurrent detection delay time
Symbol
t_CU
t_DL
t_DIOV
t_SHORT
t_CIOV
Table 5
Selection Range
256 ms 512 ms
1.0 s
32 ms
64 ms 128 ms
4 ms
8 ms
16 ms
280 μs 530 μs
−
4 ms
8 ms
16 ms
Remark
Select a value from the left.
Select a value from the left.
Select a value from the left.
Select a value from the left.
Select a value from the left.
4