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    

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willzhou by ST Employee
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  • 22 replies
  • 30 kudos

ACS, ACST negative voltage schematics ?

I found the ACS108-6SA that seems to fit my needs.   1) I will control the gate with my stm32G0B1 uC. I really don't understand why I have to connect the 24VAC Neutral to the +3.3VCC of the MCU ! It sounds like dangerous no? i can understand that the...

FloSolio by Associate II
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  • 2 replies
  • 0 kudos

Encrypted Spice model for altair04-900

Hello!I am currently designing a flyback converter with the altair04-900.The .lib file in the spice model folder is encrypted. I cannot open it neither with Altium nor with ltSpice.I would like to know, which simulation software can decrypt it? And, ...

Viper12, AC-DC non isolated Buck converter 5V 60mA

Hello, I'm considering using Viper12 to 3Phase AC/DC non isolated buck converter 5V 60mA Vout. I found some application notes like AN1357. But is it reliable? Or will it cause problems in long-term operation? Has anyone experienced it before? Thanks,...

SCTWA70N120G2V Ron data

I want the specific Ron data corresponding to different VGS values (e.g., 8V–15V) when the MOSFET switch SCTWA70N120G2V is in the linear region.

Kyle4 by Associate
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  • 1 replies
  • 1 kudos

Output capacitor selection for LD1085D2M-R

Edited by a ST moderator: Update the title and the content with the part number Hi,I'm using LD1085D2M-R regulator. There is no certain information about output capacitor ESR limit value for stabilization.  -Input : 5V -Output : 4V @3A -Desired Outpu...

hamzdmr by Associate II
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  • 5 replies
  • 2 kudos

BTA41-600BRG stuck ON in some cases

We are using BTA41-600BRG triacs on our temperature control boards to turn on 240V tank heaters. The tank heaters are 1500W, 3000W, or 4500W depending on the unit model and operate at 240VAC. The circuit we are using is attached. We use a FOD4108 dri...

t_jonas by Associate
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  • 1 replies
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Strange High Side Switch behaviour / VN751PT

HI!   We have from time to time defect High Side Driver. Most of the defects occur after the first few power on cycles.  The High Side Driver and the RGND Resistor (120Ohm) gets really hot. The resistance between GND and the Status Pin is then much l...

CedTra by Associate
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  • 1 replies
  • 0 kudos