Datasheet
BATTERY PROTECTION IC FOR SINGLE-CELL PACK
S-8261 Series
Rev.4.1_00
Seiko Instruments Inc.
10
2. Except Detection Delay Time (−40 to +85 °C
*1
)
Table 9
(Ta = −40 to +85 °C
*1
unless otherwise specified)
Item Symbol Condition Min. Typ. Max. Unit
Test
Condition
Test
Circuit
DETECTION VOLTAGE
Overcharge detection voltage
V
CU
=
3.9 V to 4.4 V, 5 mV Step
V
CU
V
CU
−0.055
V
CU
V
CU
+0.040
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
−0.080
V
DL
V
DL
+0.080
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
−0.021
V
IOV1
V
IOV1
+0.021
V 3 2
Overcurrent 2 detection voltage
V
IOV2
0.37 0.5 0.63 V 3 2
Load short-circuiting detection voltage
V
SHORT
0.7 1.2 1.7 V 3 2
Charger detection voltage
V
CHA
−1.2 −0.7 −0.2 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
0.7 3.5 8.0 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
0.7 3.5 8.0 µA 5 2
Overdischarge current consumption
I
OPED
V
DD
=
V
VM
=
1.5 V
0.7 3.0 6.0 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
1.2 5 15 kΩ 7 4
CO pin resistance “L”
R
COL
V
CO
=
0.5 V, V
DD
=
4.5 V, V
VM
=
0 V
1.2 5 15 kΩ 7 4
DO pin resistance “H”
R
DOH
V
DO
=
3.0 V, V
DD
=
3.5 V, V
VM
=
0 V
1.2 5 15 kΩ 8 4
DO pin resistance “L”
R
DOL
V
DO
=
0.5 V, V
DD
=
V
VM
=
1.8 V
1.2 5 15 kΩ 8 4
VM INTERNAL RESISTANCE
Internal resistance between VM and VDD
R
VMD
V
DD
=
1.8 V, V
VM
=
0 V
78 300 1310 kΩ 6 3
Internal resistance between VM and VSS
R
VMS
V
DD
=
3.5 V, V
VM
=
1.0 V
7.2 20 44 kΩ 6 3
0 V BATTERY CHARGING FUNCTION
0 V battery charge starting charger voltage
V
0CHA
0 V battery charging available
1.7 V 11 2
0 V battery charge inhibition battery voltage
V
0INH
0 V battery charging unavailable
0.3 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.