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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L6470 overcurrent errors

Posted on July 09, 2013 at 00:07I've gotten past all of my comms issues and seem to be able to talk to the L6470 reliably now.  However, I'm having trouble actually getting it to move.  I keep getting OCD events even when commanding moves at low acc...

L6227Q using Enable as PWM signal

Posted on May 04, 2018 at 19:12The L6227Q looks like just the part I want to control a small motor that will run at about 5V and no more than 300mA.  I was looking at Table 7 in the data sheet.  I think what I want is to set IN1 and IN2 to the polar...

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VNH7070AS Heat sinking

Posted on May 21, 2018 at 15:12Hi, I wondered if there were any other appropriate methods for heat sinking of the VNH7070AS H-bridge motor driver instead of using the PCB substrate?? I would ideally like to use a traditional metal heat sink instead ...

Triacs control

Posted on May 12, 2018 at 19:44 We used BT139X-600E triac. Opto triac MOC3052 used for triac's control.  Load is 230V, 50 Hz LED lamp, current is 30 mA. Current is not very nonlinear - it is short 'pulses' in the maximum of voltage 230 V.  The triac...

Stepper motor, 120Vdc, 6 Ampere

Posted on May 17, 2018 at 15:24I would need advice on how to make a stepper motor drive with a supply voltage of 120Vdc and a current of 6 nominal Amps.It seems to me there are only 2 ways, even if I do not know if they are feasible, they are:1) Use...