S-8241 Datasheet, PDF (10/38 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8241 Series
Rev.7.6_00
„ Electrical Characteristics
1. Other than detection delay time (25 °C)
Table 8
(Ta = 25 °C unless otherwise specified)
Item
Symbol
Condition
Min. Typ. Max.
Unit
Test Test
Condition Circuit
DETECTION VOLTAGE
Overcharge detection voltage
V_CU = 3.9 to 4.4 V, 5 mV Step
Overcharge release voltage
V_CU−V_CL = 0 to 0.4 V, 50 mV Step
Overdischarge detection voltage
V_DL = 2.0 to 3.0 V, 100 mV Step
Overdischarge release voltage
V_DU−V_DL = 0 to 0.7 V, 100 mV Step
Overcurrent 1 detection voltage
V_IOV1 = 0.05 to 0.3V, 5 mV Step
Overcurrent 2 detection voltage
Load short-circuiting detection
voltage
V_CU
V_CL
V_DL
V_DU
V_IOV1
V_IOV2
V_SHORT
⎯
Ta = -5 to +55 °C^*1
When V_CL ≠ V_CU
When V_CL = V_CU
⎯
When V_DU ≠ V_DL
When V_DU = V_DL
⎯
⎯
VM voltage based on V_DD
V_CU-0.025 V_CU V_CU+0.025
V
1
1
V_CU-0.030 V_CU V_CU+0.030
V_CL-0.050 V_CL V_CL+0.050
V
1
1
V_CL-0.025 V_CL V_CL+0.025
V_DL-0.080 V_DL V_DL+0.080 V
1
1
V_DU-0.100 V_DU V_DU+0.100
V
1
1
V_DU-0.080 V_DU V_DU+0.080
V_IOV1-0.020 V_IOV1 V_IOV1+0.020 V
2
1
0.4
0.5
0.6
V
2
1
-1.7
-1.3
-0.9
V
2
1
Charger detection voltage
Overcharge detection voltage
temperature factor ^*1
V_CHA
T_COE1
⎯
Ta = -5 to +55 °C
-2.0
-1.3
-0.6
V
3
1
-0.5
0
0.5
mV/°C ⎯
⎯
Overcurrent 1 detection voltage
temperature factor ^*1
T_COE2 Ta = -5 to +55 °C
-0.1
0
0.1
mV/°C ⎯
⎯
INPUT VOLTAGE, OPERATING VOLTAGE
Input voltage between VDD and
VSS
V_DS1
absolute maximum rating
-0.3
⎯
12
V
⎯
⎯
Input voltage between VDD and
VM
V_DS2
absolute maximum rating
-0.3
⎯
26
V
⎯
⎯
Operating voltage between VDD
and VSS
V_DSOP1 Internal circuit operating voltage
1.5
⎯
8
V
⎯
⎯
Operating voltage between VDD
and VM
V_DSOP2 Internal circuit operating voltage
1.5
⎯
24
V
⎯
⎯
CURRENT CONSUMPTION Power-down function available
Current consumption during
normal operation
I_OPE V_DD = 3.5 V, V_VM = 0 V
1.0
3.0
5.0
μA
4
1
Current consumption at power
down
I_PDN V_DD = V_VM = 1.5 V
⎯
⎯
0.1
μA
4
1
CURRENT CONSUMPTION Power-down function unavailable
Current consumption during
normal operation
I_OPE V_DD = 3.5 V, V_VM = 0 V
1.0
3.0
5.0
μA
4
1
Overdischarge current
consumption
I_OPED V_DD = V_VM = 1.5 V
1.0
2.0
3.5
μA
4
1
OUTPUT RESISTANCE
CO pin H resistance
R_COH V_CO = 3.0 V, V_DD = 3.5 V, V_VM = 0 V
0.1
2
10
kΩ
6
1
CO pin L resistance
R_COL V_CO = 0.5 V, V_DD = 4.5 V, V_VM = 0 V
150
600
2400
kΩ
6
1
DO pin H resistance
R_DOH V_DO = 3.0 V, V_DD = 3.5 V, V_VM = 0 V
0.1
1.3
6.0
kΩ
7
1
DO pin L resistance
R_DOL V_DO = 0.5 V, V_DD = V_VM = 1.8 V
0.1
0.5
2.0
kΩ
7
1
VM INTERNAL RESISTANCE
Internal resistance between VM
and VDD
R_VMD
V_DD = 1.8 V, V_VM = 0 V
100
300
900
kΩ
5
1
Internal resistance between VM
and VSS
R_VMS
V_DD = V_VM = 3.5 V
50
100
150
kΩ
5
1
0 V BATTERY CHARGING FUNCTION The 0 V battery function is either "0 V battery charging function" or "0 V battery charge inhibiting function"
depending upon the product type.
0 V battery charge starting charger
voltage
V_0CHA
0 V battery charging Available
0.0
0.8
1.5
V
10
1
0 V battery charge inhibiting
battery voltage
V_0INH
0 V battery charging Unavailable
0.6
0.9
1.2
V
11
1
*1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in
production.
10
Seiko Instruments Inc.