S-82B1AAA-I6T1U Datasheet, PDF (4/35 Pages) Seiko Instruments Inc – High-accuracy voltage detection circuit

BATTERY PROTECTION IC WITH CHARGE-DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-82B1A Series
Rev.1.1_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
256 ms
Table 4
Selection Range
512 ms 1.0 s
−
t_DL
t_DIOV1
t_DIOV2
32 ms
4 ms
256 ms
4 ms
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
t_SHORT
280 μs 530 μs
−
−
t_CIOV
4 ms
8 ms 16 ms 32 ms
t_CTL
32 ms 64 ms 128 ms 256 ms
Table 5
−
−
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.
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
(1)
Active "H" Pull-up
(2)
Active "H" Pull-up
5.0 MΩ
5.0 MΩ
Available
Available
Unavailable Load disconnection
Available
Load disconnection
*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.
Release Voltage
of Discharge
Overcurrent Status^*7
V_RIOV
V_RIOV
Remark Please contact our sales office for the products with function combinations other than those specified above.
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