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    

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willzhou by ST Employee
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Resolved! SMAJ Peak Pulse Power over Pulse Duration Curve

How is the curve in Figure 4 in the datasheet measured? I noticed in Figure 5 that the 20 us pulse has a 8 us rise time and the 1000 us pulse has a 10 us rise time. The 10 ms pulse doesn't even have a specified rise time. Is each point in the Figure ...

MSmit.8 by Associate
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STSPIN220 Microstepping

I currently am running a stepper motor with a STSPIN220. I wanted to configure the STSPIN220 into 1/8 step mode, but I cannot decipher what I need to do to configure the microcontroller to send out the proper command to set the STSPIN220 into 1/8 ste...

TDiaz.1 by Associate
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Looking for a motor driver IC VNH3SP30-E

Hi,For one of my new design we are planning to use VNH3SP30-E but con't able to get anywhere from online. Every one have a lead time of 52Weeks. How can i purchase this IC or any other equivalent to replace this? Awaiting for your feedback.Thanks in ...

SDham.1 by Associate
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STCMB1 controller

Does anyone know the power rating for the internal fet on the discharge pin 8? I need to use a 50 uf 5 volt cap due to long ramp time requirement on Soft Start and my concern is to exceed the energy rating of this internal device during the dischar...

MTrep.1 by Associate
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L7987L switching regulator, does not output expected voltage

I am testing the L7987L chip for my PoE module project. I got the dev board STEVAL-ISA198V1.I noticed that it gives out 4.8V instead of 5V (with or without load). Also I was expecting that chip will cut output once the input voltage is less than 5V (...

SJISH.1 by Associate
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