Power management

STEVAL-ISA147V3 I took its reference design and made my boards. I have copy pasted the design. As soon as i am turning on the boards, PFC mosfet Q1 and Q2, got damaged and which damaged the fuse. can you help me what issue could be there?

LTspice model for Viper06

I want to simulate a flyback in LTspide, do you have de model?, I could not import from Pspice Model due to is encrypted.Thanks

Do you have a replacement for VND14NV04-1? I need it in TO-251 (IPAK) package

Hello, If compare with DC2115 and DC2202. The X-ray result have different. Is it can acceptable? Or you can provide PCN to support.

Kaschke Component - Can't Find Datasheet or Equivalent?

Hi everyone,I have a power supply I'm trying to repair and have removed a Kaschke component that I'm unable to find a datasheet for.Is anyone familiar with with manufacturer that can help me identify this component?"KASCHKE 044.129"

Dear Sir/Madam, Where can we find ST-One GUI for download? We purchased the EVLONE65W but didn't find the GUI on website to download and start the board. Please support us to proceed. Best regards Siavash Heydarzadeh

Like to know the complete Partnumber of an SO8 ST Chip

On a SO-8 chip, which has STmicroelectronics as the manufacturer, type "221" is stamped, but I'm unsure what the complete Partnumber is. Position in picture = "U7" It is used in a Tumbledryer.Can someone assist ? Thanks in advance !