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參數(shù)資料
| 型號： | MC33342 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | BATTERY FAST CHARGE CONTROLLERS |
| 中文描述： | 電池快速充電控制器 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 304K |
| 代理商： | MC33342 |
MC33340 MC33342
10
MOTOROLA ANALOG IC DEVICE DATA
AAVID #
θ
SA
°
C/W
24.0
592502B03400
593002B03400
14.0
590302B03600
9.2
Figure 14. Printed Circuit Board and Component Layout
(Circuit of Figure 13)
MC33340
2.25
″
1.70
″
C2
(Top View)
(Bottom View)
Battery
Negative
RNTC
RNTC
Battery
Positive
Input
Return
Input
Positive
R
R
IC1
3 2 1
Charge Mode
R3
R2
R8
D2
R7
R4
D
Input
RNTC
Output
D1
Figure 15. Line Isolated Switch Mode Charger
The MC33340/342 can be combined with any of the devices in the UC3842 family of current mode controllers to form a switch mode battery charger. In this example,
optocouplers OC1 and OC2 are used to provide isolated control signals to the UC3842. During battery voltage sensing, OC2 momentarily grounds the
Output/Compensation pin, effectively turning off the charger. When fast charge termination is reached, OC1 turns on, and grounds the lower side of R3. This reduces
the peak switch current threshold of the Current Sense Comparator to a programmed trickle current level. For additional converter design information, refer to the
UC3842 and UC3844 device family data sheets.
VBattery
Current Sense
Comparator
Error
Amplifier
Vsen
Gate
Fast/
Trickle
Voltage
Feedback
Input
VCC
Gnd
5
3
2
1
Vsen
Gate
F/T
2R
R2
R1
1.0 V
1.0 mA
UC3842 Series
Output/
Compensation
R
Primary Circuitry
Secondary Circuitry
Isolation Boundary
MC33340 or MC33342
Gnd
4
2
OC2
OC1
R3
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC33342D | 功能描述:電池管理 18V Max NiCD/NiMH 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 |
| MC33342DG | 功能描述:電池管理 18V Max NiCD/NiMH Fast Charge 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 |
| MC33342DR2 | 功能描述:電池管理 18V Max NiCD/NiMH 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 |
| MC33342DR2G | 功能描述:電池管理 18V Max NiCD/NiMH Fast Charge 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 |
| MC33342P | 功能描述:電池管理 18V Max NiCD/NiMH 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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