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參數(shù)資料
| 型號： | LTC4053EMSE-4.2 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | USB Compatible Lithium-Ion Battery Charger with Thermal Regulation |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封裝： | PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大小： | 665K |
| 代理商： | LTC4053EMSE-4.2 |
LTC4061
18
4061fa
APPLICATIOU
MOSFET, MP1, is used to prevent back conducting into the
USB port when a wall adapter is present and a Schottky
diode, D1, is used to prevent USB power loss through the
1k
Ω
pull-down resistor.
Typically a wall adapter can supply more current than
the 500mA limited USB port. Therefore, an N-channel
MOSFET, MN1, and an extra 3.3k
Ω
program resistor are
used to increase the charge current to 800mA when the
wall adapter is present.
W
U
U
Figure 8. Combining Wall Adapter and USB Power
+
V
CC
D1
PROG
I
DET
3.3k
2k
MN1
5V WALL
ADAPTER
I
CHG
= 800mA
USB POWER
I
CHG
= 500mA
MP1
4061 F08
BAT
LTC4061
1.25k
Li-Ion
BATTERY
SYSTEM
LOAD
1k
C/5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4054 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT |
| LTC4054-4.2 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT |
| LTC4054ES5-4.2 | 制造商:Linear Technology 功能描述:Constant Current/Voltage Charger Li-Ion 500mA 4.2V 5-Pin TSOT-23 |
| LTC4054ES54.2#PBF | 制造商:Linear Technology 功能描述: |
| LTC4054ES5-4.2#PBF | 制造商:Linear Technology 功能描述:Constant Current/Voltage Charger Li-Ion 500mA 4.2V 5-Pin TSOT-23 制造商:Linear Technology 功能描述:Constant Current/Voltage Charger Li-Ion 500mA 4.2V 5-Pin TSOT-23 Bulk |
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