S-8261 Datasheet, PDF (9/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR SINGLE-CELL PACK

Rev.1.9_00
BATTERY PROTECTION IC FOR SINGLE-CELL PACK
S-8261 Series
„ Electrical Characteristics
1. Except Detection Delay Time (25 °C)
Table 5
(Ta = 25 °C unless otherwise specified)
Parameter
Symbol
Test
condition
Remark
Min.
Typ.
Max.
Unit
Test
circuit
[DETECTION VOLTAGE]
Overcharge detection voltage
V_CU = 3.9 V to 4.4 V, 5 mV Step
V_CU
1

Ta = −5 °C to 55 °C^*1
V_CU V_CU
−0.025
V_CU
+0.025
V
1
V_CU V_CU V_CU
−0.030
+0.030
Overcharge hysteresis voltage
V_HC = 0.0 V to 0.4 V, 50 mV Step
V_HC
1
Overdischarge detection voltage
V_DL = 2.0 V to 3.0 V, 10 mV Step
V_DL
2
Overdischarge hysteresis voltage
V_HD = 0.0 V to 0.7 V, 100 mV Step
V_HD
2
Overcurrent 1 detection voltage
V_IOV1 = 0.05 V to 0.3 V, 10 mV Step
V_IOV1
3
Overcurrent 2 detection voltage
V_IOV2
3
Load short-circuiting detection
voltage
V_SHORT
3

V_HC V_HC
−0.025
V_HC
+0.025
V
1

V_DL
−0.050
V_DL
V_DL
+0.050
V
2

V_HD V_HD
−0.050
V_HD
+0.050
V
2

V_IOV1 V_IOV1 V_IOV1
−0.015
+0.015
V
2

0.4 0.5 0.6 V 2

0.9 1.2 1.5 V 2
Charger detection voltage
V_CHA
4
[INPUT VOLTAGE, OPERATION VOLTAGE]

−1.0 −0.7 −0.4 V 2
Operation voltage between VDD
and VSS
V_DSOP1
 Internal circuit operating voltage
1.5  8 V 
Operation voltage between VDD
and VM
V_DSOP2
 Internal circuit operating voltage
1.5  28 V 
[CURRENT CONSUMPTION]
Current consumption in normal
operation
I _OPE
5 V_DD = 3.5 V, V_VM = 0 V
1.0 3.5 7.0 µA 2
Current consumption at power
down
I _PDN
5 V_DD = V_VM = 1.5 V
  0.1 µA 2
[OUTPUT RESISTANCE]
CO pin resistance “H”
CO pin resistance “L”
R_COH
R_COL
7 V_CO = 3.0 V, V_DD = 3.5 V, V_VM = 0 V 2.5
5
10 kΩ 4
7 V_CO = 0.5 V, V_DD = 4.5 V, V_VM = 0 V 2.5
5
10 kΩ 4
DO pin resistance “H”
R_DOH
8 V_DO = 3.0 V, V_DD = 3.5 V, V_VM = 0 V 2.5
5
10 kΩ 4
DO pin resistance “L”
R_DOL
[VM INTERNAL RESISTANCE]
8 V_DO = 0.5 V, V_DD = V_VM = 1.8 V
2.5 5 10 kΩ 4
Internal resistance between VM
and VDD
R_VMD
6 V_DD = 1.8 V, V_VM = 0 V
100 300 900 kΩ 3
Internal resistance between VM
and VSS
R_VMS
6 V_DD = 3.5 V, V_VM = 1.0 V
10 20 40 kΩ 3
[0 V BATTERY CHARGING FUNCTION]
0 V battery charge starting charger
voltage
V_0CHA
11 0 V battery charging available
1.2   V 2
0 V battery charge inhibition battery
voltage
V_0INH
12 0 V battery charging unavailable
  0.5 V 2
*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.
Seiko Instruments Inc.
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