S-8252AAA-M6T1U Datasheet, PDF (9/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

Rev.3.2_00
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8252 Series
 Electrical Characteristics
1. Ta = +25°C
Table 9
(Ta = +25°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
DETECTION VOLTAGE
Overcharge detection voltage n (n = 1, 2)
VCUn
−
Ta = −10°C to +60°C^*1
VCU − 0.020 VCU VCU + 0.020 V 1
VCU − 0.025 VCU VCU + 0.025 V 1
Overcharge release voltage n (n = 1, 2)
VCLn
VCL ≠ VCU
VCL = VCU
VCL − 0.030 VCL VCL + 0.030 V 1
VCL − 0.030 VCL VCL + 0.020 V 1
Overdischarge detection voltage n (n = 1, 2) VDLn
−
VDL − 0.050 VDL VDL + 0.050 V 2
Overdischarge release voltage n (n = 1, 2) VDUn
VDL ≠ VDU
VDL = VDU
VDU − 0.100 VDU VDU + 0.100 V 2
VDU − 0.050 VDU VDU + 0.050 V 2
Discharge overcurrent detection voltage VDIOV
−
VDIOV − 0.010 VDIOV VDIOV + 0.010 V
2
Load short-circuiting detection voltage
VSHORT
−
0.400 0.500 0.600
V2
DETECTION VOLTAGE (WITH CHARGE OVERCURRENT DETECTION FUNCTION)
Charge overcurrent detection voltage
VCIOV
−
VCIOV − 0.020 VCIOV VCIOV + 0.020 V
2
DETECTION VOLTAGE (WITHOUT CHARGE OVERCURRENT DETECTION FUNCTION)
Charger detection voltage
VCHA
−
−1.0
−0.7
−0.4
V2
0 V BATTERY CHARGE FUNCTION
0 V battery charge starting charger voltage V0CHA
0 V battery charge function
"available"
0.0
0.7
1.0
V2
0 V battery charge inhibition battery voltage V0INH
0 V battery charge function
"unavailable"
0.4
0.8
1.1
V2
INTERNAL RESISTANCE
Resistance between VM pin and VDD pin RVMD V1 = V2 = 1.8 V, V3 = 0 V
100
300
900
kΩ 3
Resistance between VM pin and VSS pin RVMS V1 = V2 = 3.5 V, V3 = 1.0 V
10
20
40
kΩ 3
INPUT VOLTAGE
Operation voltage between VDD pin and
VSS pin
VDSOP1
−
1.5
−
10
V−
INPUT CURRENT (WITH POWR-DOWN FUNCTION)
Current consumption during operation
IOPE
V1 = V2 = 3.5 V, V3 = 0 V
−
4.0
8.0
μA 2
Current consumption during power-down IPDN
V1 = V2 = 1.5 V, V3 = 3.0 V
−
−
0.1
μA 2
VC pin current
IVC
V1 = V2 = 3.5 V, V3 = 0 V
0.0
0.7
1.5
μA 2
INPUT CURRENT (WITHOUT POWR-DOWN FUNCTION)
Current consumption during operation
IOPE
V1 = V2 = 3.5 V, V3 = 0 V
−
4.0
8.0
μA 2
Current consumption during overdischarge IOPED V1 = V2 = 1.5 V, V3 = 3.0 V
−
2.5
5.0
μA 2
VC pin current
IVC
V1 = V2 = 3.5 V, V3 = 0 V
0.0
0.7
1.5
μA 2
OUTPUT RESISTANCE
CO pin resistance "H"
RCOH
V1 = V2 = 3.5 V,
V3 = 0 V, V4 = 6.5 V
2.5
5
10
kΩ 4
CO pin resistance "L"
RCOL
V1 = V2 = 4.7 V,
V3 = 0 V, V4 = 0.5 V
2.5
5
10
kΩ 4
DO pin resistance "H"
RDOH
V1 = V2 = 3.5 V,
V3 = 0 V, V5 = 6.5 V
5
10
20
kΩ 4
DO pin resistance "L"
RDOL
V1 = V2 = 1.8 V,
V3 = 3.6 V, V5 = 0.5 V
5
10
20
kΩ 4
DELAY TIME
Overcharge detection delay time
tCU
Overdischarge detection delay time
tDL
Discharge overcurrent detection delay time tDIOV
Load short-circuiting detection delay time tSHORT
Charge overcurrent detection delay time tCIOV
−
tCU × 0.8
tCU
tCU × 1.2
−
5
−
tDL × 0.8
tDL
tDL × 1.2
−
5
−
tDIOV × 0.8 tDIOV tDIOV × 1.2 −
5
−
tSHORT × 0.8 tSHORT tSHORT × 1.2 −
5
−
tCIOV × 0.8 tCIOV tCIOV × 1.2 −
5
*1. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by
design, not tested in production.
9