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參數(shù)資料
| 型號(hào)： | S8233B |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | BATTERY PROTECTION IC (FOR A 3-SERIAL-CELL PACK) |
| 中文描述： | 電池保護(hù)IC（進(jìn)行為期3串電池組） |
| 文件頁數(shù)： | 15/27頁 |
| 文件大小： | 232K |
| 代理商： | S8233B |
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Battery Protection IC(for a 3-serial-cell pack)
S-8233B Series
21 August,1997
Seiko Instruments Inc.
14
Table.5 Output voltage & current consumption by CTL terminal voltage.
Statements
Normal &Over voltage state
Power down mode(Without charger)
CTL terminal voltage
High & Floated
Low
High
Low
Floated
CTL logic
“
normal
”
S-8233BA
COP
High
Comply with
battery voltage
High
Low
Unknown
DOP
High
Comply with
battery voltage
High
High
High
Current consumption
Typ.20
μ
A
Typ.20
μ
A
Typ. 1nA
Typ. 1nA
Unknown
CTL logic
“
reverse
”
S-8233BB
COP
Comply with
battery voltage
High
Low
High
Unknown
DOP
Comply with
battery voltage
High
High
High
High
Current consumption
Typ.20
μ
A
Typ.20
μ
A
Typ. 1nA
Typ. 1nA
Unknown
0V battery charging function
This function is used to recharge the three serially-connected batteries after they self-discharge to 0V.
When the 0V charging start voltage (V0CHAR) or higher is applied to between VMP and VSS by
connecting the charger, the charging FET gate is fixed to VSS potential.
When the voltage between the gate sources of the charging FET becomes equal to or higher than the
turn-on voltage by the charger voltage, the charging FET turns on to start charging. At this time, the
discharging FET turns off and the charging current flows through the internal parasitic diode in the
discharging FET. If all the battery voltages become equal to or higher than the over discharge release
voltage (VDU), the normal condition returns.
Notes: In the products without 0V battery charging function, the resistance between VCC and VMP and
between VSS and VMP are lower than the products with 0V battery charging function. It causes to
that over charge detection voltage increases by the drop voltage of R5 (see Figure 7 for a
connection example) with sink current at VMP.
The COP output is undefined below 2.0V on VCC-VSS voltage in the products without 0V battery
charging function.
Voltage temperature factor
Voltage temperature factor 1 indicates over charge detection voltage, over charge release voltage, over
discharge detection voltage, and over discharge release voltage.
Voltage temperature factor 2 indicates over current detection voltage.
The Voltage temperature factors 1 and 2 are expressed by the oblique line parts in Figure 3.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8233B | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:BATTERY PROTECTION IC (FOR A 3-SERIAL-CELL PACK) |
| S-8233B_1 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK |
| S-8233BAFT | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:BATTERY PROTECTION IC (FOR A 3-SERIAL-CELL PACK) |
| S-8233BAFT-TB | 功能描述:電池管理 4.225V 3-Cell Serial 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-8233BAFT-TB-G | 功能描述:電池管理 4.225V 3-Cell Serial 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 |
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