Power management

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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 2. Python drive code, check attach file "Python_FT260_S...

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willzhou by ST Employee
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Problem with the H-Bridge VNH5180

Posted on December 02, 2017 at 12:18I having traouble with the H-Bridge 'VNH5180A'. I tried to find the problem now for some days, but I wasn't able to find it. The H-Bridge haven't the right output voltage. At the Pins of the Bridge are these volta...

[ATT]12148

Posted on May 09, 2018 at 12:39Viper26 - Output Voltage drop also on light load Hi everyone,I've used the eDesigneSuite tool to draw a buck converter. Specs are simple: Input Voltage: 185~265 Volts, Output Voltage: 4.5 Volts; Output current: 0.4 Amp...

STPM34

Posted on May 09, 2018 at 12:14hello guys, I bought STPM34TR from one of my supplier, the this part didn't work on the board. When it was tested, the value was not in the normal range, please refer to the attached file I don;t know what is problem. ...

STPM34

Posted on May 09, 2018 at 12:03hello guys, I bought STPM34TR from one of my supplier, the this part didn't work on the board. When it was tested, the value was not in the normal range, please refer to the attached file I don;t know what is problem. ...

How to understand register values on STPM3X?

Posted on May 06, 2018 at 22:53Hi everyone!I'm working right now with STPM33, understanding how it works and aiming to build an smart meter. I've been reading the documentation realted to the IC and also with the board i'm using EVALSTPM33. Using th...

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STMP3x measurement calculations

Posted on November 06, 2017 at 21:07Currently, I am evaluating STPM3x, but having hard time understanding how to convert register value to floating point signed integer values.I can calculate voltage and current rms values, but I am trying to conver...

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STC3117 - Battery not Found

Posted on May 02, 2018 at 18:26We are using the STC3117 connected to QCom msm8909 SoM booting into Android and are having problems getting it to start up correctly.Once the battery is connected to our device it will never be removed, so we have tied...

EWA STA by Associate
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Adding soft-start to LDL1117

Posted on April 27, 2018 at 04:00Hi,I'd like to use the fixed 3.3V variant of the LDL1117 on my board.  However, I have a concern with inrush current and wanted to add a soft-start if possible.  Can I modify the LDL1117 circuit to add in soft-start ...