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參數(shù)資料
| 型號(hào)： | L6924D013TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16 |
| 封裝： | 3 X 3 MM, VFQFPN-16 |
| 文件頁(yè)數(shù)： | 33/38頁(yè) |
| 文件大?。?/td> | 1454K |
| 代理商： | L6924D013TR |
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Description
L6924D
4/38
Doc ID 11908 Rev 9
1
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 integrates all of the power elements (the
power MOSFET, reverse blocking diode and the sense resistor) in a small VFQFPN16 (3 x 3
mm) 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 2.5 V to 12 V. 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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| L6926Q1 | 1.65 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8 |
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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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