Power management

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

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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    

willzhou_0-1717985741931.png
willzhou by ST Employee
  • 13304 Views
  • 23 replies
  • 31 kudos

STWBC2-HP and STWLC99 with STSC protocol

I am developing a solution using a STWBC2-HP tx running from a 24VDC supply to drive a STWLC99 rx and need to use the STSC protocol to achieve 50~100W. This is for bespoke power transfer rather than a conventional charger. I am basing the design on t...

NickA by Associate
  • 35 Views
  • 1 replies
  • 0 kudos

EVLVIPGAN65DF radiated EMI

EVLVIPGAN65DF application note states that the provided reference design is compliant with IEC55022 Class B conducted EMI. How about radiated EMI? Is there any measurement in this regard? 

Gaston by Senior
  • 172 Views
  • 4 replies
  • 0 kudos

Resolved! L6982CDR application problem.

Hi,We're encountering an issue with the L6982CDR buck converter in our application. Here's the detailed scenario: Configuation: We're using it to convert a 24V input to a 5V output to power the board. Load: The 5V output supplies a load current of ap...

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PL3 by Associate II
  • 559 Views
  • 12 replies
  • 1 kudos

Resolved! ST Products website

I don't know what happened recently (or perhaps longer) with the ST website, but where can I find the ST products?

maniek by Associate III
  • 119 Views
  • 3 replies
  • 2 kudos

In need to replace a resistor diode

Greetings, I have being searching for this diode but I had no luck. Markings: BEX 6BA (SG)?)This is an electronic control module (ECM) 12v for an ATV 2007 Polaris 450. I am trying to fix it and I need help to buy this little piece. Any help will be a...

Diode.jpg
frwycop by Associate
  • 101 Views
  • 4 replies
  • 1 kudos

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
  • 13304 Views
  • 23 replies
  • 31 kudos

Bring-Up of L6591 without PFC

 Hello everyone,we are currently trying to bring up the L6591 without PFC, but unfortunately we have not been successful so far.It looks like the L6591 is not able to start up correctly.The Vcc voltage slowly rises to about 14V with the built-in HV s...

Resolved! Thermal Resistance of the SOT-223 Package

I am selecting the LD1117S50CTR. The package is SOT-223.I understand that the thermal resistance Rthja = 110 °C/W shown in the datasheet is the value for the IC alone.Since I am designing the PCB, I would like to know the relationship between copper ...

Matsuura by Associate II
  • 131 Views
  • 4 replies
  • 1 kudos