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參數(shù)資料
| 型號： | S-8204AAB-TCT1G |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | LEAD FREE, TSSOP-16 |
| 文件頁數(shù)： | 7/32頁 |
| 文件大?。?/td> | 982K |
| 代理商： | S-8204AAB-TCT1G |
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BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
Rev.1.5_00
S-8204A Series
Seiko Instruments Inc.
15
5. Discharge Overcurrent Status
In the S-8204A Series, in batteries in the normal status, the discharging current increases more than a
certain value. As a result, if the status in which the VINI pin voltage increases to the level of VDIOV1 or
more, the DOP pin gets the VDD level. This is the discharge overcurrent status. The discharge control FET
is turned off and it stops discharging.
This IC has three levels for discharge overcurrent detection (VDIOV1, VDIOV2, VSHORT). In the status of
discharge overcurrent, the COP pin is set in high impedance. The VMP pin is pulled up to the VDD level by
a resistor between VMP and VDD pin (RVMD).
The S-8204A Series’ actions against discharge overcurrent detection voltage 2 (VDIOV2) and short circuit
detection voltage (VSHORT) are as well in VDIOV1.
The status of discharge overcurrent is released if the following condition is satisfied.
(1) The VMP pin voltage gets VDS
1.2 V (Typ.) or more.
6. Charge Overcurrent Status
In the S-8204A Series, in batteries in the normal status, the charge current increases more than a certain
value. As a result, if the status in which the VINI pin voltage decreases to the level of VCIOV or less, the
COP pin is set in high impedance. This is the charge overcurrent status. The charge control FET is turned
off and it stops discharging.
In this charge overcurrent status, the VMP pin is pulled-up to the VDD level by RVMD. Also in the
overdischarge status, the function of charge overcurrent detection works.
The status of charge overcurrent is released if the following condition is satisfied.
(1) The VMP pin voltage gets VDS or less.
7. 0 V Battery Charge Function
In this IC, regarding how to charge a discharged battery (0 V battery), users are able to select either
function of the two mentioned below.
(1) Allow to charge a 0 V battery (enable to charge a 0 V battery)
A 0 V battery is charged;
when the voltage of a charger is charger voltage for start charging 0 V battery (V0CHA) or more.
(2) Inhibit charging a 0 V battery (unable to charge a 0 V battery)
A 0 V battery is not charged;
when the voltage of a charger is battery voltage for inhibit charging 0 V battery (V0INH) or less.
Caution When the VDD pin voltage is less than the minimum value of operation voltage between
VDD and VSS pin (VDSOP), this IC’s action is not assured.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8204AAB-TCT1U | 制造商:Seiko Instruments Inc (SII) 功能描述:BATTERY PROTECTION - Tape and Reel |
| S-8204AAC-TCT1G | 功能描述:電池管理 LITHIUM-ION BATTERY PROTECTION 3/4 CELL RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8204AAC-TCT1S | 功能描述:電池管理 LITHIUM-ION BATTERY PROTECTION 3/4 CELL RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8204AAD-TCT1G | 功能描述:電池管理 LITHIUM-ION BATTERY PROTECTION 3/4 CELL RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8204AAD-TCT1S | 制造商:Seiko Instruments Inc (SII) 功能描述:BATTERY PROTECTION - Tape and Reel 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY PROTECTION 3/4 CELL 制造商:Seiko Instruments Inc (SII) 功能描述:Battery Protection Li-Ion 3.8V 16-Pin TSSOP T/R |
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