Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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    

willzhou_0-1717985741931.png
willzhou by ST Employee
  • 8565 Views
  • 19 replies
  • 18 kudos

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 III
  • 534 Views
  • 5 replies
  • 2 kudos

STCMB1: transformer makes noise

Hola, ¿Me podéis ayudar con mi problema? Cuando conecto la realimentación del optoacoplador a RFmax el transformador hace ruido, se regula correctamente la tensión pero el transformador hace ruido. He variado los valores de Rfmin y Rfmax, también los...

AndresGG by Associate II
  • 440 Views
  • 2 replies
  • 0 kudos

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 III
  • 265 Views
  • 2 replies
  • 1 kudos

AN5287 application note - bom

Hello, I am currently reviewing your design guide.Could you share the BOM and PCB Layout for this guide?I am interested in the information regarding the part labeled as U1 in the document. 

spkang_0-1731559452580.png
spkang by Associate
  • 595 Views
  • 3 replies
  • 0 kudos

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
  • 348 Views
  • 1 replies
  • 0 kudos

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...

AHammoud by Associate
  • 425 Views
  • 0 replies
  • 0 kudos

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
  • 254 Views
  • 0 replies
  • 0 kudos

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...

Markus_W by Associate
  • 391 Views
  • 3 replies
  • 1 kudos