參數(shù)資料
型號(hào)： S-8232AYFT-T2
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： TSSOP-8
文件頁數(shù)： 23/26頁
文件大?。?/td> 729K
代理商： S-8232AYFT-T2
BATTERY PROTECTION IC FOR 2-CELL SERIAL PACK
S-8232 Series
Rev.4.3_01
Seiko Instruments Inc.
6
Electrical Characteristics
Table 5
(Ta
= 25 °C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Condition
Test
Circuit
[DETECTION VOLTAGE]
Overcharge detection voltage 1, 2
VCU1,2 3.90 to 4.60 V,
Adjustable
VCU1,2
0.025
VCU1,2
+ 0.025
V
1, 2
1
VCUaux1,2 VCU1,2
× 1.25
VCU1,2
× 1.21
VCU1,2
× 1.25
VCU1,2
× 1.29
V
1, 2
1
Auxiliary overcharge detection voltage 1, 2
*1
VCUaux1, VCUaux2
= VCU1, VCU2 × 1.25 or
VCUaux1, VCUaux2
= VCU1, VCU2 × 1.11
VCUaux1,2 VCU1,2
× 1.11
VCU1,2
× 1.07
VCU1,2
× 1.11
VCU1,2
× 1.15
V
1, 2
1
Overcharge release voltage 1, 2
VCD1,2 3.60 to 4.60 V,
Adjustable
VCD1,2
0.050
VCD1,2
+ 0.050
V
1, 2
1
Overdischarge detection voltage 1, 2
VDD1,2 1.70 to 2.60 V,
Adjustable
VDD1,2
0.080
VDD1,2
+ 0.080
V
1, 2
1
Overdischarge release voltage 1, 2
VDU1,2 1.70 to 3.80 V,
Adjustable
VDU1,2
0.100
VDU1,2
+ 0.100
V
1, 2
1
Overcurrent detection voltage 1
VIOV1 0.07 to 0.30 V,
Adjustable
VIOV1
0.020
VIOV1
+ 0.020
V
3
1
Overcurrent detection voltage 2
VIOV2 Load short circuit,
VCC reference
1.57 1.20 0.83
V
3
1
Temperature coefficient 1 for detection voltage *2
TCOE1 Ta
= 40 to + 85 °C 0.6
0
0.6
mV/°C
Temperature coefficient 2 for detection voltage *3
TCOE2 Ta
= 40 to + 85 °C 0.24 0.05
0
mV/°C
[DELAY TIME (C3
= 0.22 F) ]
Overcharge detection delay time 1, 2
tCU1,2 1.0 s
0.73
1.00
1.35
s
8, 9
5
Overdischarge detection delay time 1, 2
tDD1,2 0.1 s
68
100
138
ms
8, 9
5
Overcurrent detection delay time 1
tIOV1 0.01 s
6.7
10
13.9
ms
10
5
[INPUT VOLTAGE]
Input voltage between VCC and VSS
VDS
Absolute maximum
rating
0.3
18
V
[OPERATING VOLTAGE]
Operating voltage between VCC and VSS *4
VDSOP Output logic fixed
2.0
16
V
[CURRENT CONSUMPTION]
Current consumption during normal operation
IOPE V1
= V2 = 3.6 V
2.1
7.5
12.7
A
4
2
Current consumption at power down
IPDN V1
= V2 = 1.5 V
0
0.0002
0.04
A
4
2
[OUTPUT VOLTAGE]
DO voltage “H”
VDO(H) IOUT
= 10 A
VCC
0.05
VCC
0.003
VCC
V
6
3
DO voltage “L”
VDO(L) IOUT
= 10 A
VSS
+ 0.003
VSS
+ 0.05
V
6
3
CO voltage “H”
VCO(H) IOUT
= 10 A
VCC
0.15
VCC
0.019
VCC
V
7
4
[CO PIN INTERNAL RESISTANCE]
Resistance between VSS and CO
RCOL VCO
VSS = 9.4 V
0.29
0.6
1.44
M
7
4
[INTERNAL RESISTANCE]
Resistance between VCC and VM
Rvcm VCC
VVM = 0.5 V
105
240
575
k
5
2
Resistance between VSS and VM
Rvsm VVM
VSS= 1.1 V
511
597
977
k
5
2
[0 V BATTERY CHARGE FUNCTION]
0 V battery charge starting charger voltage
V0CHA 0 V battery charging
function “available”
0.38
0.75
1.12
V
11
6
0 V battery charge inhibition battery voltage 1, 2
V0INH1,2
0 V battery charging
function
“unavailable”
0.32
0.88
1.44
V
12, 13
6
*1. Auxiliary overcharge detection voltage is equal to the overcharge detection voltage times 1.11 for the
products without overcharge hysteresis, and times 1.25 for other products.
*2. Temperature coefficient 1 for detection voltage should be applied to overcharge detection voltage,
overcharge release voltage, overdischarge detection voltage, and overdischarge release voltage.
*3. Temperature coefficient 2 for detection voltage should be applied to overcurrent detection voltage.
*4. The DO and CO pin logic are established at the operating voltage.
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