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
  • 9312 Views
  • 19 replies
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Real consumption of L476RG + sx1272

Hello as I am using Nucleo-L476RG and sx1272mb2DAS I want to mesure consumption with LPM01A. The probleme is when the consumption is very high because the part of Programmer is not isolated. Also the limitation of using an external source of power 3v...

ABA by Associate II
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Output Ripple DC/DC

Hi all,I have observed a phenomenon in my new design where the ripple is significantly large at light loads but decreases to very low levels when the load increases to its maximum.I have attempted to change the frequency and add additional capacitors...

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Snir123 by Associate
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  • 2 replies
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Resolved! stwlc38 ARC mode and GUI

Hi, I'm working on a project and have a question for youFirst, ARC mode is said to increase the radius of X and Y axis of wireless charging by up to 50%.1. why is it CFG register, is the mode always active?2.the setting value is steps of 10mV and I w...

dimension conflict

could you help me to know why the dimension differnet in 2 datasheets while the supplier package is SOT-23 with pincount 3 pins   > the dimension for first diagram is  ( Length = 3.04(Max)    -    Width = 1.75(Max)   -  Height = 1.3(Max)  ) > the di...

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STEVAL-WLC38RX, not in stock anywhere

Hello,Can someone from ST actually provide me with an STEVAL-WLC38RX ? This simple charging board is out of stock everywhere. I've ordered on mouser weeks ago, yet the pending dates seem to be BS as the dates go by an the part is still on backorder.

Resolved! Issue with STSW-L9961BMS - NO Device Found

Hello,I am conducting tests using the STEVAL-L99615C evaluation board. Despite following the L9961BMS Quick Start Guide and User Manual, I am encountering an issue with Demo 1. As shown in the attached picture, the message "No device found" continues...

jslee by Associate II
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  • 4 replies
  • 2 kudos

LNBH23 and LNBH26

Hi,I am using LNBH23 and LNBH26 for our LNB control. And I have the following question:1) When I power LNB with 18VDC, I can enable/disable 22KHz properly.2) When I power off LNB, I can't enable 22KHz.Anyone can tell me how to enable 22KHz without LN...

CSu.12 by Associate II
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Resolved! L7805 MBTF

I am writing to request specific information regarding the MTBF (Mean Time Between Failures) of the L7805 positive voltage regulator component. We are considering using this component in a critical project and need to assess its reliability for our d...

Vicent by Associate
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  • 2 replies
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L6470 ReleaseSW command fails

ReleaseSW command fails to bring the motor out of the switch. Is there a reason the ReleaseSW command fails to bring the motor out of the switch? The software reset sequence I follow is as follows: 1. Issue software ResetDevice 2. If the SW is NOT LO...

lorenc by Associate
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  • 0 replies
  • 0 kudos