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參數(shù)資料
| 型號： | S-8244AAZPH-CEZTFG |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | LEAD FREE, SNT-8 |
| 文件頁數(shù)： | 2/32頁 |
| 文件大?。?/td> | 320K |
| 代理商： | S-8244AAZPH-CEZTFG |
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BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
S-8244 Series
Rev.6.0_00
Seiko Instruments Inc.
10
(4) Test Condition 4, Test Circuit 1
Set switches 1 and 2 to OFF for CMOS output product.
Set switch 1 to ON and switch 2 to OFF for Nch open drain product.
Set switch 1 to OFF and switch 2 to ON for Pch open drain product.
Product with CMOS output active “H”, Nch open drain output active “H”
The overcharge detection voltage 4 (VCU4) is a voltage at V4; when the CO pin’s voltage is set to “H” by increasing
V4 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V4’s voltage to set CO = “L”,
and the difference of this V4’s voltage and VCU4 is the overcharge hysteresis voltage 4 (VCD4).
Product with CMOS output active “L”, Nch open drain output active “L”, Pch open drain output active “L”
The overcharge detection voltage 4 (VCU4) is a voltage at V4; when the CO pin’s voltage is set to “L” by increasing
V4 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V4’s voltage to set CO =
“H”, and the difference of this V4’s voltage and VCU4 is the overcharge hysteresis voltage 4 (VCD4).
(5) Test Condition 5, Test Circuit 2
Set switches 1 and 2 to OFF for CMOS output product.
Set switch 1 to ON and switch 2 to OFF for Nch open drain product.
Set switch 1 to OFF and switch 2 to ON for Pch open drain product.
Product with CMOS output active “H”, Nch open drain output active “H”
Rise V1 to 4.7 V momentarily within 10
μs after setting V1 = V2 = V3 = V4 = 3.5 V. The period from V1 having
reached 4.7 V to CO = “H” is the overcharge detection delay time (tCU).
Product with CMOS output active “L”, Nch open drain output active “L”, Pch open drain output active “L”
Rise V1 to 4.7 V momentarily within 10
μs after setting V1 = V2 = V3 = V4 = 3.5 V. The period from V1 having
reached 4.7 V to CO = “L” is the overcharge detection delay time (tCU).
(6) Test Condition 6, Test Circuit 3
Measure current consumption (I1) setting V1 = V2 = V3 = V4 = 2.3 V. This I1 is current consumption at power-down
(IPDN).
Measure current consumption (I1) setting V1 = V2 = V3 = V4 = 3.5 V. This I1 is current consumption during normal
operation (IOPE), I2 is the VC1 sink current (IVC1), I3 is the VC2 sink current (IVC2), I4 is the VC3 sink current (IVC3).
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