Power management

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Wireless Charging solution Wiki

This Topic is used for Wireless Charging solution 1.Mcu C drive code: GitHub - STMicroelectronics/STWirelessCharging-C-Drivers: Standard C platform-independent drivers for wireless charging ICs 2. Python drive code, check attach file "Python_FT260_S...

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willzhou by ST Employee
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  • 15 replies
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Viper01 or Viper0P startup voltage

Is it possible to start either of these Vipers up earlier than their stated HV startup voltage by sourcing VCC manually (external supply) from the Vin voltage?

thansen by Associate II
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  • 2 replies
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STUSB4500 + USB device.

Hi,Trying to develop a board that provide power to a tablet, charger, and the tablet manage the device connected to board.If don't wrong STUSB4500 manage the power flow using CCx lines and over D+, D-, Vbus and GND the device "talk" with tablet and h...

dvera by Associate
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  • 1 replies
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VIPer0P on/off questions

The description of the on and off pins is not complete. What happens if both are active at the same time? Does one pin have higher priority than the other? Is it possible to turn the device on/off just using one of the pins letting the other one unco...

thansen by Associate II
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  • 1 replies
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STUSB4710 PD-Source Configuration Without Feedback

Hello,I am using the STUSB4710 as a PD-Source in my project and have a few questions regarding its configuration. In my setup, I have not utilized the feedback configuration. Instead, I am connecting the PDO outputs of the STUSB4710 to a microcontrol...

VNF1048 eFUSE Short to Battery and Open Load detection

Hi,  I am analyzing the different diagnostics capabilities of VNF1048 eFUSE.Could anyone share some details on how the Short to Battery and Open Load detection can be done for VNF1048 eFUSE output.Is there any external circuit required to detect the ...

Biju_P by Associate
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VND5004ATR-E Both outputs parallel

Dear support team, can I run both outputs of the VND5004ATR-E parallel to decrease the RDSon even more? So just connect both inputs and the load on both outputs? Thanks

rkager by Associate II
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Example Code for VNF1048F

Hello ST Community, i have problems to get the VNF1048F chip to run. It goes every time to the fault state and can not find out, why this problem occurs.The documentation for this chip is not really good and there is not sample application (Source Co...

STTH110,diode failure in two-tube forward application

Hi all,   STTH110,the role of the diode in the two-tube forward circuit is the demagnetization of the transformer, which is found to burst in use.   The diode is exploded in the middle, pictured below:    The question is how did the diode break? The ...

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L6981C50DR power module pcb design

Hi all,I selected the L6981C50DR for my DC DC buck converter with the following external components and schematic for my application:Cin: GRT31CR61H106KE01L Multilayer Ceramic Capacitors MLCC - SMD/SMT 10 uF 50 VDC 10% 1206 X5R AEC-Q200 RoHS Complian...

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aferjani by Associate II
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  • 5 replies
  • 2 kudos