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! Datasheet by diode

Could someone tell me what type of diode I have? I can't find any data.L X GP128I appreciate your help.

Imagen de WhatsApp 2025-08-19 a las 10.00.47_07913828.jpg

Resolved! STCP202000CFP's Rth(j-c) definition

Now I start to use STPS202000CFP and try to estimate junction temperature. Then in datasheet, ST defines Rth(j-c). Question1 : where is "c(case?)" point in this discrete device, center of case?. Question 2: Does Onsemi have Rth(j-a) for this device ?

skkmtshr by Associate
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HVLED007 in PSR

Hi,I am using HVLED007 in my 80V, 45W SMPS (Input voltage range 160V-300V). Is it possible for the IC to operate in primary side regulation mode instead of the conventional opto-coupler-based secondary side control? Unlike other ICs, I cannot see an ...

Spice98 by Associate
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Resolved! LD1086DT33TR and ESR

I plan to use the LD1086DT33TR LDO to output 3.3V with an input voltage of 5V. However, I am not aware of the requirements for the ESR (Equivalent Series Resistance) of the output filter capacitor for the LD1086DT33TR, and this parameter is not menti...

EVAL-L9963E not working

 I am testing the board with a 14s Li-ion battery, but I am unable to read the cell voltages or configure any register through the GUI. I shorted the X1 and P2 power supply inputs and supplied 12 V to both. This was the only setup in which I could ge...

nicim by Associate II
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STSPIN948 and stepper motor

Hi,does anyone in the world have used a STSPIN948 with a stepper motor?I'm having many problems, also because of lack of documentation and examples.I need to control a NEMA 23 motor, but if it turns slowly it works, over 2 turn per second it hangs.I ...

giuseppe by Associate II
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