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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 21/38頁 |
| 文件大?。?/td> | 1454K |
| 代理商： | L6924D013TR |
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Application information: monitoring and protection
L6924D
28/38
Doc ID 11908 Rev 9
8.4
Shutdown
The L6924D has a shutdown pin (SD) that allows enabling or disabling the device.
If the SD pin voltage is below 0.4 V (e.g. pin connected to GND), the device is enabled,
whereas if the SD pin voltage exceeds 2 V (e.g. the shutdown pin is left floating) the device
is disabled.
When the device enters the shutdown mode, the current consumption is reduced to 60
μA
typ. In this condition, VREF is turned off.
The Figure 24 clarifies the SD pin behavior.
Figure 23.
ST1 and ST2 connection with LEDs or microcontroller
Table 6.
Status LEDs indications
Charge condition
Description
ST1 ST2
Charge in progress
When the device is in pre-charge or fast-charge status
ON
OFF
Charge done
When the charging current goes lower than the IENDTH
OFF
ON
Stand by mode
When the input voltage goes under VBAT-50 mV
OFF OFF
Bad battery temperature
When the voltage on the TH pin is out of the programmable
window, in accordance with the NTC or PTC thermistor
ON
Battery absent
When the battery pack is removed
ON
Over time
When TMAXCH or TMAXPRECH is expired
ON
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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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