S-82B1A Datasheet, PDF (4/35 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC WITH CHARGE-DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK

BATTERY PROTECTION IC WITH CHARGE-DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-82B1A Series
Rev.1.2_00
Table 3
Delay Time
Combination
Overcharge
Detection
Delay Time
[t_CU]
Overdischarge
Detection
Delay Time
[t_DL]
Discharge
Overcurrent
Detection
Delay Time 1
[t_DIOV1]
Discharge
Overcurrent
Detection
Delay Time 2
[t_DIOV2]
Load Short-
circuiting
Detection
Delay Time
[t_SHORT]
Charge
Overcurrent
Detection
Delay Time
[t_CIOV]
Charge-
discharge
Inhibition
Delay Time
[t_CTL]
(1)
1.0 s
64 ms
4.0 s
32 ms
280 μs
8 ms
32 ms
(2)
1.0 s
64 ms
8 ms
−
280 μs
8 ms
32 ms
Remark The delay times can be changed within the range listed in Table 4. For details, please contact our sales office.
Delay Time
Overcharge detection
delay time
Overdischarge
detection delay time
Discharge overcurrent
detection delay time 1
Discharge overcurrent
detection delay time 2
Load short-circuiting
detection delay time
Charge overcurrent
detection delay time
Charge-discharge
inhibition delay time
Symbol
t_CU
t_DL
t_DIOV1
t_DIOV2
t_SHORT
t_CIOV
t_CTL
256 ms
32 ms
4 ms
256 ms
4 ms
280 μs
4 ms
32 ms
Table 4
Selection Range
512 ms 1.0 s
−
64 ms
8 ms
512 ms
8 ms
128 ms
16 ms
1.0 s
16 ms
256 ms
32 ms
2.0 s
32 ms
530 μs
−
−
8 ms 16 ms 32 ms
64 ms 128 ms 256 ms
−
−
64 ms
4.0 s
64 ms
−
64 ms
−
−
−
128 ms
−
128 ms
−
128 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.
Select a value from
the left.
Select a value from
the left.
Table 5
CTL Pin
Function
Combination
Control
Logic^*1
Internal
Resistance
Connection^*2
Internal
Resistance
Value^*3
[R_CTL]
0 V Battery
Charge
Function^*4
Power-down
Function^*5
Release Condition
of Discharge
Overcurrent Status^*6
Release Voltage
of Discharge
Overcurrent Status^*7
(1)
Active "H" Pull-up
5.0 MΩ Available
Unavailable Load disconnection V_RIOV
(2)
Active "H" Pull-up
5.0 MΩ Available
Available
Load disconnection V_RIOV
*1. CTL pin control logic active "H" / active "L" is selectable.
*2. CTL pin internal resistance connection "pull-up" / "pull-down" is selectable.
*3. CTL pin internal resistance value 1.0 MΩ / 2.0 MΩ / 3.0 MΩ / 4.0 MΩ / 5.0 MΩ is selectable.
*4. 0 V battery charge function "available" / "unavailable" is selectable.
*5. Power-down function "available" / "unavailable" is selectable.
*6. Release condition of discharge overcurrent status "load disconnection" / "charger connection" is selectable.
*7. Release voltage of discharge overcurrent status "V_DIOV1" / "V_RIOV = V_DD × 0.8 (typ.)" is selectable.
Remark Please contact our sales office for the products with function combinations other than those specified above.
4