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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
  • 8901 Views
  • 19 replies
  • 18 kudos

Resolved! HVLED burst mode too early

Hi,I am developing AC-DC flyback with HVLED815PF controller.Using application note AN4350 I managed to have a CV output for 6W max.At high load, everythings good and functioned as expected.I got 25% iTHD and 0.96 PF.However at 2W and below its sudden...

HVLED burst.PNG
Franciss by • Associate
  • 215 Views
  • 2 replies
  • 1 kudos

VNH7070AS shoot through

I expect each half bridge to have protection against shoot through, that is ensuring that top and bottom drivers are not on at the same time.  I cannot find reference to this in the data sheet and would like to know to enable calculation of snubber c...

Inquiry on discontinuation of WBC86TX, WLC38RX

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
  • 212 Views
  • 2 replies
  • 0 kudos

Resolved! Mastergan1L transient model for LTspice

Hi everybody, I'm designing a TP-PFC and I'm going to use MasterGaN1L for the first time to reduce the bill of materials. Does anybody have any information about this chip's simulation model? 

L5973D step down regulator

Posted on October 20, 2017 at 14:16Hi,I'm repairing an audio power amplifiers from a top model manufacturer like Harman-Kardon, Dynaudio, Bose from cars. And in almost all of models I faceing up with broken regulator L5973. The failure is that the v...

STSPIN220 operation error

Hello. I have configured a circuit to drive a step motor by giving a signal from XC7S15-1FTGB196C.We are not going to do stepping control, but to continuously give an enable signal and use it as a motor. I configured the circuit as shown in the datas...

Kang1 by • Associate II
  • 388 Views
  • 5 replies
  • 0 kudos
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