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| 型號： | S-8204BAL-TCT1U |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | HALOGEN FREE AND LEAD FREE, TSSOP-16 |
| 文件頁數(shù)： | 8/36頁 |
| 文件大?。?/td> | 756K |
| 代理商： | S-8204BAL-TCT1U |
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BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204B Series
Rev.3.2_00
Seiko Instruments Inc.
16
5. Discharge Overcurrent Status
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 VSS 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-8204B Series’ actions against discharge overcurrent detection voltage 2 (VDIOV2) and short circuit detection
voltage (VSHORT) are as well in VDIOV1.
The discharge overcurrent status is released if the following condition is satisfied.
(1) The VMP pin voltage gets VDS
1.2 V (Typ.) or more.
6. 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 between VDD and VSS (VDS) is 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 battery voltage 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-8204BAQ-TCT1S | 制造商:Seiko Instruments Inc (SII) 功能描述: |
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| S-8205A | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:4-5節(jié)鐳離子可充電池保護IC |
| S-8205AAA-TCT1U | 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY PROTECTION 4/5 CELL |
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