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...

willzhou by ST Employee
  • 7 replies
  • 3 kudos

Resolved! Heating on VIPER22ADIP-E

Hi STMicroelectronics team,I am using VIPER22ADIP-E to design 15V, 5W power supply with input supply of 230Vac with diode bridge rectifier.The schematics file is attached here,When i am loading it with 5W load, the IC  VIPER22ADIP-E is get heated and...

Pemendra by Associate II
  • 3 replies
  • 0 kudos


STD12NF06LT4,Is there a "G" marking on the right top corner of the part? How can we read the DC from label? Thank you.

RHFL7913A negative LDO regulator current limit adjustment

Hi,I have a problem of adjusting the RHFL7913A negative LDO regulator current limit to about 0.5A by a Rsh resistor. I tried with 12.4 kOhm but no current limitation is seen even at around 910 mA load. Anyone happen to know the correct resistance val...

mijuhi by Associate II
  • 6 replies
  • 0 kudos

Resolved! FERD20H100S MTBF and FIT Reliability Metrics

Hello, I am trying to find reliability data (specifically MTBF and FIT) for the FERD20H100S. If anyone knows where to find it or could point me in the right direction I would be very grateful.Thank you,-M

TMil28 by Associate
  • 1 replies
  • 0 kudos

STUSB1602 - Documentation request

Is there any documentation regarding the I2C registers of the STUSB1602 and the SPI interface?I cannot find information regarding the SPI interface anywhere, other then maybe reverse-engineering the driver.Is this available anywhere?

sgetaz by Associate
  • 1 replies
  • 0 kudos

Resolved! I’m trying to identify an ST component.

I’m trying to find a replacement for this device from a light dimmer. I think it’s a triac, but the numbers on the front don’t match any search results, other than a similar request on this forum, so I’m hoping that someone can help!   

OrrinC by Associate
  • 5 replies
  • 2 kudos