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
  • 12918 Views
  • 22 replies
  • 30 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

[STWLC38] Operating Frequency and ASK modulation cycle

Hello,I'm developing a Qi compliant product (Not getting Qi.) using STWLC38JRM.Please respond on Operating Frequency and ASK modulation cycle to get back to the testing agency.[Operating Frequency]Qi standard defines the operating frequency from 110 ...

Ryoma by Associate III
  • 247 Views
  • 3 replies
  • 2 kudos

555 timer _ ASIL B requirement

Hello Team   I have a general query.    Do we have any 555 timer with ASIL-B or ISO26262 compliant.    I am interested in discrete level solution rather going with MCU and my aim is to have redundant control/ feedback/LIMP HOME mode embedded in the 5...

Resolved! Marking Code on L78L15ACUTR - meaning of last 3 digits?

Hello,Our customer has inquired about the meaning of the last three-digit code in the marking on the L78L15ACUTR.For example, some parts are marked with "8L218" or "8L243" on the top surface.Could you kindly explain what "218" and "243" stands for?Th...

STI by Associate
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  • 1 replies
  • 1 kudos

Resolved! Unable to Find MOSFET

Hi, dear. Could you please help me find the datasheet for the MOSFET with part code GF329MB, as well as other compatible MOSFETs with similar specifications?   Thank you in advance for your help! Hi, dear. Could you please help me find the datasheet ...

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