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參數(shù)資料
| 型號： | 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關(guān)，充電系統(tǒng) |
| 文件頁數(shù)： | 4/38頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | L6924D013TR |
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Device description
L6924D
4/38
1
Device description
The L6924D is a fully monolithic battery charger dedicated to single-cell Li-Ion/Polymer battery
packs. It is the ideal solution for space-limited applications, like PDAs, handheld equipment,
cellular phones, and digital cameras. It is designed with BCD6 technology and integrates all of
the power elements (the Power MOSFET, reverse blocking diode and the sense resistor) in a
small VFQFPN16 3mm x 3mm package. When an external voltage regulated wall adapter is
used, the L6924D works in Linear Mode, and charges the battery in a Constant Current/
Constant Voltage(CC/CV) profile. Moreover, when a current-limited adapter is used, the device
can operate in Quasi-Pulse Mode, dramatically reducing the power dissipation. Regardless of
the charging approach, a closed loop thermal control avoids device overheating. The device
has an operating input voltage ranging from 2.5V to 12V. The L6924D
allows the user to
program many parameters, such as pre-charge current, fast-charge current, pre-charge voltage
threshold, end-of-charge current threshold, and charge timer.
The L6924D offers two open
collector outputs for diagnostic purposes, which can be used to either drive two external LEDs
or communicate with a host microcontroller. Finally, the L6924D also provides very flexible
control of the charge process termination and Gas Gauge capability, as well as other functions,
such as checking for battery presence, and monitoring and protecting the battery from unsafe
thermal conditions.
Figure 2.
Basis application schematic
Figure 1.
Minimum application size
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| 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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