參數(shù)資料
型號(hào)： L6924D013TR
廠(chǎng)商： 意法半導(dǎo)體
英文描述： Battery charger system with integrated power switch for Li-ION/Li-POLYMER
中文描述： 電池為鋰聚合物集成電源開(kāi)關(guān)，充電系統(tǒng)
文件頁(yè)數(shù)： 34/38頁(yè)
文件大?。?/td> 1350K
代理商： L6924D013TR
Application ideas
L6924D
34/38
10
Application ideas
10.1 USB battery charger
With a voltage range between 4.75V and 5.25V, and a maximum current up to 500mA, the USB
power bus is an ideal source for charging a single-cell Li-Ion battery. Since it is not possible to
rely on the USB current limit to charge the battery, a linear approach must be adopted.
Therefore, it is only necessary to set the I
CHG
with a maximum value lower than 500mA, and
the device will charge the battery in Linear mode.
Figure 28
shows an example of USB charger application schematic.
Figure 28. USB charger application
L6924D
V
IN
V
INSNS
T
PRG
ST1
ST2SD GND
TH
V
OPRG
I
PRE
V
PRE
I
PRG
V
OSNS
I
END
V
OUT
V
REF
R1
R2
R3
R4
R5
C1
C2
C3
C4
BATTERY
PACK
V
BUS
GND
D- D+
SYSTEM
AND
USB
CONTROLLER
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6924U 功能描述:電池管理 USB Battery Charger System w/integra RoHS:否 制造商:Texas Instruments 電池類(lèi)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
L6924U013TR 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer
L6924UTR 功能描述:電池管理 Battery Charger USB Compatible RoHS:否 制造商:Texas Instruments 電池類(lèi)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
L6925 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
L6925013TR 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
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