參數(shù)資料
型號(hào)： L6924D013TR
廠商： 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)： 12/38頁(yè)
文件大?。?/td> 1350K
代理商： L6924D013TR
Operation description
L6924D
12/38
When the V
PRE
pin is not used to program the Pre-Charge voltage threshold, it has two
different functions:
If the voltage across V
PRE
pin is lower than 0.8V, when I < I
ENDTH
, the end of charge in
notified by the status pin, but the charging process is not disabled. The charge process
ends when the maximum charging time expires.
If pin V
PRE
goes lower than 0.5V the timer is reset on the falling edge.
●
●
Battery disconnection control is provided thanks to the differentiated sensing and forcing output
pins. A small current is sunk and forced through V
OUT
. If V
OSNS
doesn’t detect the battery, the
IC goes into a standby mode.
Figure 5
shown the real charging profile of a Li-Ion battery, with a Fast Charge current of
450mA (R
PRG
= 26K
),
Figure 5.
Li-Ion charging profile
Charging profile
0.000
0.050
0.100
0.150
0.200
0.250
0.300
0.350
0.400
0.450
0.500
0
200
400
600
800
1000
1200
Charging time (sec)
I
0.000
0.500
1.000
1.500
2.000
2.500
3.000
3.500
4.000
4.500
V
Ichg
Vbatt
相關(guān)PDF資料
PDF描述
L6925 HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
L6925013TR HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
L6925D HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
L6926013TR High efficiency monolithic synchronous step down regulator
L6926D1 High efficiency monolithic synchronous step down regulator
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: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:STMicroelectronics 功能描述:HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
L6925013TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
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