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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  • 19 replies
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STEVAL STWBC86TX programming

Hello, I'm developing a wireless charger based on the STEVAL-STWBC86TX. When designing a new PCB based on the evaluation board, would it be possible to use the I2C converter of the STEVAL-STWBC86TX by removing the jumpers in order to program the new ...

DEIQO by Associate II
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  • 1 replies
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BLDC Motor Control

I am using STGIB30M60TS-L for my BLDC motor control. But when  i am turning the motor ON , the current is increasing continuously resulting in overcurrent error. I am unable to find out where the error is present .How to find it out . I am using TSV9...

hu88 by Associate II
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Resolved! STEL12H24 RBleed Calculation

On the STEL12H24, but am not sure about the calculation for Rbleed:I am designing a 12V system.RBLEED [kΩ] = VIN / 20 – Rb (min)Rb would be about 95Ω (from Figure 14 in the datasheet)That would make Rbleed 12/(20-95) = -160Ω (negative makes no sense)...

Resolved! Component identification

Hello. I need help to identify this ST component. I can see the ST logo top left. Text is like this from what I see:"ST      (some marking)   G CHG3      648"  

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DenDanne by Associate II
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  • 1 replies
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L9369-tr IC is not responding.

One of our project we are using L9369-tr IC and we are trying to communicate with the IC using TC38X controller with SPI protocol. We are able to send the data but IC is always giving 0x8efffff6 data as a response and it is not valid data.   Could yo...

Resolved! BULK ID

Can I find the manufacture year from the bulk ID? Most of ST parts only indicate the last digit of the year, sometimes we just don't know it is 2013 or 2023. 

PM8805TR output voltage

Hello everyone    I'm working on a student project with an STM35H563RIT6 and a Power over Ethernet (PoE) supply. I'm currently validating my design, but, reading the datasheet of the PM8805TR to do PoE, I just see the output current (max 2A) but no v...

L7987L Failure

Hi, we are using L7987L IC top generate -15V from 24V input. However, we see repetitive failure in the IC. I have attached the waveform also (Green- Input Voltage, Pink- Vout). I am also sharing the layout for the same. Switching frequency we have ke...

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Shivalee by Associate II
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  • 6 replies
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