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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    

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willzhou by • ST Employee
  • 9735 Views
  • 22 replies
  • 19 kudos

STC3115 - do we really need to use the RAM

HiI am looking into STC3115 for a device, powered by a LiPo battery. The battery is not removable, main CPU turns off during low-power states.Looking at the AN4324 system integration manual, it describes the procedure to use the embedded RAM to save ...

Resolved! Low side switch to drive 5V automotive relays

Hello ST Team,          We are currently desiging an ECU, which require DO that can drive external 5V automotive relays. We have identified L9338(AEC-Qualified part)  from ST for our design. Kindly confirm its selection and longevity of the part.  Th...

lajitha by • Associate II
  • 72 Views
  • 3 replies
  • 1 kudos

L7987L Not working as expected

Hello All,I am using L7987L to generate +15V from 24V. I have 10 same boards wherein I have used the same circuit (see below), I am able to generate 15V for 2 boards but in rest it is generating 1.22V only. R191 is 6.8kohm and diode D36 is US1M-E3/61...

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Shivalee by • Associate II
  • 21 Views
  • 0 replies
  • 0 kudos

Are WBC86TX, WLC38RX discontinued?

HelloCurrently, all information on WBC86TX and WLC38RX has disappeared from the ST homepage.Does this mean that the two chips are discontinued?I would like to know whether they should not be applied to new designs,and how long they are planned to be ...

Wisejet by • Associate
  • 284 Views
  • 4 replies
  • 1 kudos

BTA24-800CW can't switch off 60 W resistive lump

i am using MOC3063 as an optocoupler and BTA24-800CW as a triac .with 220 V ac and it worked fine (switch on and off) with the 10W,5W,3W resistive loads but when using 60 W incandescent lump it only turn on but not off  i am using this basic circuit ...

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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
  • 9735 Views
  • 22 replies
  • 19 kudos

How to set STUSB4710 PDO profiles

Hi, I am designing a 25W power supply for the raspberry pi 5 for my battery powered project. The buck regulator I am using has a fixed 5V output and I want to use the STUSB4710 to offer 5V 5A to the Pi. How can I program the registers to do so via I2...

CMaker by • Associate
  • 31 Views
  • 0 replies
  • 0 kudos

Resolved! Looking for datasheet on diode

From what I can read on this diode it is from ST for sure, and it says VU beside the logo, the next line is M R, and the last line is GP922.   Any help would be appreciated.

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