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
  • 9730 Views
  • 22 replies
  • 19 kudos

powerStep01: implementing hardstop

Dear Madam/Sir,We are using powerStep01 and must implement motor "hardstop" purely in hardware (no software intervention).We consider these options:- using the external switch SW and bit SW-MODE = 0;- OR, with all voltages externally supplied, cut of...

adidica by Associate
  • 430 Views
  • 0 replies
  • 0 kudos

LED1202 Can we use over 5V for VLED?

Hello,LED1202 Can we use over 5V for VLED?For example, We plan to use  5V power supply. It's maximum voltage is 5.25V.It is my understanding that we can use maximum VLED voltage is  VCS_MAX plus VF of used LED.Is that right?Thanks, 

YT by Associate II
  • 746 Views
  • 4 replies
  • 1 kudos

Resolved! L99615C current measuring problem

Hello,I am having trouble measuring current with the L99615C STEVAL kit and wanted to check if I might be doing something wrong. My jumper settings are as follows: J19, J20, J13, and J14 are shorted, while J15, J16, J17, and J18 are set to position 1...

Resolved! L99615 demo GUI CRC

Hello,I’m encountering an issue where I’m unable to fully understand the behavior of the GUI in relation to the commands being transmitted via serial USB to the NUCLEO. I’ve figured out that there is a CRC at the end of the raw data being transmitted...

issues with a TD352

Hi Everybody,In the case of a LEDs tubes dimmer, I'm using a TD352.It works very well. But in some case (and for the moment, I don't know why), my IGBT and the resistor wich controls the gate of the IGBT burn.I just replace these two components and a...

fab04 by Associate II
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  • 6 replies
  • 0 kudos

Resolved! Expected EOL of L9822E and L9823

Hi everyone, I am looking for s low-side driver that will last more than 5 years, preferably 10. For functionality, L9822E and L9823 are good candidates, and I would like to know their expected EOL. Thanks Insu

IMoon.2 by Associate
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  • 1 replies
  • 1 kudos

Custom WPT RX based on STWLC98JR

Hello!I am new to circuit design so please treat me patiently :relieved_face:I am building a receiver circuit based on STWLC98 and following the design guides from STEVAL-WLC98RX wireless power receiver evaluation board manual. My question is what to...

Enable VIPER26K

Hi there,My question is if there is a way to enable or disable the Viper26K with for example an optocoupler.In the isolated flyback topology this is done cycle by cycle. But we want to enable/disable it in the high voltage buck configuration. Can we ...