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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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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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
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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 ...

Resolved! E-L9823 pin 21 - NC

Hi. Looking to use E-L9823 as a replacement in a legacy design.The datasheet states pin 21 is not connected. Looking to confirm it is a true "no connect" internally on the part.  On our existing PCB it will be tied to +24V. Thanks.

Resolved! Heat output of RLimit of STEF01FTR (eFuse)

If the resistance value of RLimit is set to 14Ω to 22Ω, how do you calculate the heat generation of the resistor?Is 0.1W OK for other resistors?Also, can you provide the BOM for the evaluation board (STEVAL-EFUSE01)?