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S-8261 Datasheet, PDF (10/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR SINGLE-CELL PACK
BATTERY PROTECTION IC FOR SINGLE-CELL PACK
S-8261 Series
Rev.1.9_00
2. Except Detection Delay Time (−40 to +85 °C*1)
Table 6
(Ta = −40 to +85 °C*1 unless otherwise specified)
Parameter
Symbol
Test
condition
Remark
Min.
Typ.
Max.
Unit
Test
circuit
[DETECTION VOLTAGE]
Overcharge detection voltage
VCU = 3.9 V to 4.4 V, 5 mV Step
VCU
1
Overcharge hysteresis voltage
VHC = 0.0 V to 0.4 V, 50 mV Step
VHC
1
Overdischarge detection voltage
VDL = 2.0 V to 3.0 V, 10 mV Step
VDL
2
Overdischarge hysteresis voltage
VHD = 0.0 V to 0.7 V, 100 mV Step
VHD
2
Overcurrent 1 detection voltage
VIOV1 = 0.05 V to 0.3 V, 10 mV Step
VIOV1
3
Overcurrent 2 detection voltage
VIOV2
3
Load short-circuiting detection
voltage
VSHORT
3

VCU VCU VCU
−0.055
+0.040
V
1

VHC VHC VHC
−0.025
+0.025
V
1

VDL VDL VDL
−0.080
+0.080
V
2

VHD VHD VHD
−0.050
+0.050
V
2

VIOV1 VIOV1 VIOV1
−0.021
+0.021
V
2

0.37 0.5 0.63 V 2

0.7 1.2 1.7 V 2
Charger detection voltage
VCHA
4
[INPUT VOLTAGE, OPERATION VOLTAGE]

−1.2 −0.7 −0.2 V 2
Operation voltage between VDD
and VSS
VDSOP1
 Internal circuit operating voltage
1.5  8 V 
Operation voltage between VDD
and VM
VDSOP2
 Internal circuit operating voltage
1.5  28 V 
[CURRENT CONSUMPTION]
Current consumption in normal
operation
I OPE
5
VDD = 3.5 V, VVM = 0 V
0.7 3.5 8.0 µA 2
Current consumption at power
down
I PDN
5
VDD = VVM = 1.5 V
  0.1 µA 2
[OUTPUT RESISTANCE]
CO pin resistance “H”
RCOH
7 VCO = 3.0 V, VDD = 3.5 V, VVM = 0 V 1.2 5 15 kΩ 4
CO pin resistance “L”
RCOL
7 VCO = 0.5 V, VDD = 4.5 V, VVM = 0 V 1.2 5 15 kΩ 4
DO pin resistance “H”
RDOH
DO pin resistance “L”
RDOL
[VM INTERNAL RESISTANCE]
8 VDO = 3.0 V, VDD = 3.5 V, VVM = 0 V 1.2 5 15 kΩ 4
8 VDO = 0.5 V, VDD = VVM = 1.8 V
1.2 5 15 kΩ 4
Internal resistance between VM
and VDD
RVMD
6 VDD = 1.8 V, VVM = 0 V
78 300 1310 kΩ 3
Internal resistance between VM
and VSS
RVMS
6 VDD = 3.5 V, VVM = 1.0 V
7.2 20 44 kΩ 3
[0 V BATTERY CHARGING FUNCTION]
0 V battery charge starting charger
voltage
V0CHA
11 0 V battery charging available
1.7   V 2
0 V battery charge inhibition battery
voltage
V0INH
12 0 V battery charging unavailable
  0.3 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.
10
Seiko Instruments Inc.