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參數(shù)資料
| 型號： | S8233C |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK |
| 中文描述： | 電池保護(hù)IC 3串行用電池 |
| 文件頁數(shù)： | 18/26頁 |
| 文件大?。?/td> | 568K |
| 代理商： | S8233C |
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BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233C Series
Rev.4.0
_00
Battery Protection IC Connection Example
Seiko Instruments Inc.
18
Over charge delay
time setting
Over current delay
time setting
Over discharge delay
time setting
CTL terminal voltage
GND: Normal operation
Floating or V
: Inhibit
charging and discharging
High: Inhibit over
discharge detection
FET-C
EB+
EB-
S-8233C series
R1
VSS
DOP
CTL
VC2
VMP
VC1
C6
CCT
COVT
CDT
Battery 1
Battery 3
Battery 2
VCC
CD1
CD3
CD2
R2
C1
C2
C3
COP
Nch open
drain
FET-A
C4
R3
R6
1 M
10 k
R5
C5
FET-B
Over charge
Condition
Over current
Condition
Over discharge
Condition
1 k
R7
Figure 8
[Description of
Figure 8
]
z
The over charge detection delay time (t
CU1
to t
CU3
), over discharge detection delay time (t
DD1
to t
DD3
), and
over current detection delay time (t
IOV1
) are changed with external capacitors (C4 to C6). See the electrical
characteristics.
z
R6 is a pull-up resistor that turns FET-B off when the COP terminal is opened. Connect a 100 k
to
1 M
resistor.
z
R5 is used to protect the IC if the charger is connected in reverse. Connect a 10 k
to 50 k
resistor.
z
If capacitor C6 is absent, rush current occurs when a capacitive load is connected and the IC enters the
over current mode. C6 must be connected to prevent it.
z
If capacitor C5 is not connected, the IC may enter the over discharge condition due to variations of battery
voltage when the over current occurs. In this case, a charger must be connected to return to the normal
condition. To prevent this, connect an at least 0.01
μ
F capacitor to C5.
z
If a leak current flows between the delay capacitor connection terminal (CCT, CDT, or COVT) and VSS, the
delay time increases and an error occurs. The leak current must be 100 nA or less.
z
Over discharge detection can be disabled by using FET-C. The FET-C off leak must be 0.1
μ
A or less. If
over discharge is inhibited by using this FET, the current consumption does not fall below 0.1
μ
A even
when the battery voltage drops and the IC enters the over discharge detection mode.
z
R1, R2, and R3 must be 1 k
or less.
z
R7 is the protection of the CTL when the CTL terminal voltage higher than V
CC
voltage. Connect a 300
to
5 k
resister. If the CTL terminal voltage never greater than the V
CC
voltage (ex. R7 connect to V
SS
),
without R7 resister is allowed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8233C | 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-8233C_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-8233CAFT-TB | 功能描述:電池管理 4.25V 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-8233CAFT-TB-G | 功能描述:電池管理 4.25V 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 |
| S82343 | 制造商:Intel 功能描述: |
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