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
  • 8901 Views
  • 19 replies
  • 18 kudos

T810-600B-TR TRIAC Not Turning ON With Load

I have a legacy project that I converted to an SMT design but the existing TRIAC is not meeting all specifications of the product. I am evaluating other options and one option that I'm looking at is the T810-600B-TR. In this application, the transist...

PDIhawk by Associate III
  • 6506 Views
  • 14 replies
  • 0 kudos

Resolved! RCD Snubber

I'm designing a automatic fan switch using a BTA26-800CWRG triac.  I'm planning on a RCD snubber.  All I've seen so far show a single diode across the resistor of the snubber.  But it seems if the snubber is snubbing an AC source there should be two ...

RodB by Associate
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  • 1 replies
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IPower management IC STPMIC1APQR

 I am using the power IC STPMIC1APGR to manage the power for my circuit boardCurrently I can't connect to STPMIC1 1.07 software (I use win 11 and USB to I2C converter CH341T_V3)my diagramThe software is not connected yetUSB to I2C

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Resolved! Cannot connect STWBC86 to WPSTUDIO V1.8.4

Hi there, we are trying to operate a STWBC86 on a rebuild of STDES-WBC86WTX.Eval boards are not yet available so we needed to build them with the given data on our own. when powering it up nothing happens so i assumed i need to program the supplied F...

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S3rr4 by Associate II
  • 1386 Views
  • 3 replies
  • 1 kudos

Resolved! Custom STWLC38JRM LC circuit design

Hello,I'm working on implementing a wireless receiver charger design using your STWLC38JRM, and wondered if there were any tools or otherwise references to changing the supplied example BOM. In particular I'm looking to change the inductance of the c...

Resolved! Wireless Power Solution Needed

Wireless Power Requirements:-Require 5W on Receive side-Active Part Number and industrial temp rated-Air Gap: 20 to 30mm but ideally up to 40mm-Coil Size: 50mm or smaller is ideal, room to adjust size as needed-Don’t need to be compliant with any oth...

PNada.3 by Associate II
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  • 1 replies
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Questions on wireless charger receiver STWLC38

Hello!I would like to get information on the wireless charger receiver Part no: STWLC38.I am looking for a wireless power receiver that supports:10.5V-11V voltage output0.65A current outputSTWLC38 - per the datasheet it appears to support the above r...

MK.12 by Associate II
  • 767 Views
  • 1 replies
  • 1 kudos

Resolved! DTS on the STWLC38

What is DTS used for?And can I configure the following set of registers on through I2C to send and receive data in-between 2 STWLC38s through the main coil ? Does this Qi IC have a detailed user maual? 

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baymax by Associate
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  • 1 replies
  • 1 kudos