BATTERY PROTECTION IC FOR 1-CELL PACK
S-8261 Series
Rev.5.3_00
Seiko Instruments Inc.
8
Electrical Characteristics
1. Except Detection Delay Time (25°C)
Table 6
(Ta
= 25°C unless otherwise specified)
Item Symbol Condition Min. Typ. Max. Unit
Test
Condition
Test
Circuit
DETECTION VOLTAGE
⎯
V
CU
−0.025
V
CU
V
CU
+0.025
V 1 1
Overcharge detection voltage
V
CU
=
3.9 V to 4.5 V, 5 mV Step
V
CU
Ta
=
−
5
°
C to 55
°
C
*1
V
CU
−0.030
V
CU
V
CU
+0.030
V 1 1
Overcharge hysteresis voltage
V
HC
=
0.1 V to 0.4 V, 50 mV Step
V
HC
⎯
V
HC
−0.025
V
HC
V
HC
+0.025
V 1 1
Overdischarge detection voltage
V
DL
=
2.0 V to 3.0 V, 10 mV Step
V
DL
⎯
V
DL
−0.050
V
DL
V
DL
+0.050
V 2 2
Overdischarge hysteresis voltage
V
HD
=
0.0 V to 0.7 V, 100 mV Step
V
HD
⎯
V
HD
−0.050
V
HD
V
HD
+0.050
V 2 2
Overcurrent 1 detection voltage
V
IOV1
=
0.05 V to 0.3 V, 10 mV Step
V
IOV1
⎯
V
IOV1
−0.015
V
IOV1
V
IOV1
+0.015
V 3 2
Overcurrent 2 detection voltage
V
IOV2
⎯ 0.4 0.5 0.6 V 3 2
Load short-circuiting detection voltage
V
SHORT
⎯ 0.9 1.2 1.5 V 3 2
Charger detection voltage
V
CHA
⎯ −1.0 −0.7 −0.4 V 4 2
INPUT VOLTAGE, OPERATION VOLTAGE
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 (with power-down function)
Current consumption in normal operation
I
OPE
V
DD
=
3.5 V, V
VM
=
0 V
1.0 3.5 7.0 μA 5 2
Current consumption at power down
I
PDN
V
DD
=
V
VM
=
1.5 V
⎯ ⎯ 0.1 μA 5 2
CURRENT CONSUMPTION (without power-down function)
Current consumption in normal operation
I
OPE
V
DD
=
3.5 V, V
VM
=
0 V
1.0 3.5 7.0 μA 5 2
Overdischarge current consumption
I
OPED
V
DD
=
V
VM
=
1.5 V
1.0 3.0 5.5 μA 5 2
OUTPUT RESISTANCE
CO pin resistance “H”
R
COH
V
CO
=
3.0 V, V
DD
=
3.5 V, V
VM
=
0 V
2.5 5 10 kΩ 7 4
CO pin resistance “L”
R
COL
V
CO
=
0.5 V, V
DD
=
4.5 V, V
VM
=
0 V
2.5 5 10 kΩ 7 4
DO pin resistance “H”
R
DOH
V
DO
=
3.0 V, V
DD
=
3.5 V, V
VM
=
0 V
2.5 5 10 kΩ 8 4
DO pin resistance “L”
R
DOL
V
DO
=
0.5 V, V
DD
=
V
VM
=
1.8 V
2.5 5 10 kΩ 8 4
VM INTERNAL RESISTANCE
Internal resistance between VM and VDD
R
VMD
V
DD
=
1.8 V, V
VM
=
0 V
100 300 900 kΩ 6 3
Internal resistance between VM and VSS
R
VMS
V
DD
=
3.5 V, V
VM
=
1.0 V
10 20 40 kΩ 6 3
0 V BATTERY CHARGE FUNCTION
0 V battery charge starting charger voltage
V
0CHA
0 V battery charge “available”
1.2 ⎯ ⎯ V 11 2
0 V battery charge inhibition battery voltage
V
0INH
0 V battery charge “unavailable”
⎯ ⎯ 0.5 V 12 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.