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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Urgent help required

Posted on April 23, 2013 at 07:36I had brought a motor control kit( AK-ST7FMC starter kit). It consist of 8bit core. Is there any provision to implement vector control in this kit.? If not, can I up grade the core to 32bit, without changing the kit....

prisyp by Associate
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Put HVLED815pf to sleep, is possible?

Posted on April 17, 2013 at 11:53Hello, I've prototyped a led driver built around an HVLED815PF, it's woking nicely.Now I'd like to add an integrated day/nightswitch to the lamp, with minimal components. Is it possible to put the HVLED815 in some so...

fabioeb by Associate II
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L6205 , PWM

Posted on April 18, 2013 at 16:07HI , 1.can any one tell me how to PWM DC motor using L6205  ,via EN pin or    INX pin  ? 2.how can i make the motor coasting (in PWM OFF)  ? for the Table in the Datasheet  when EN=1,     if IN1=0,IN2=1 => OUT1=GND...

eyals111 by Associate II
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MC34063 converter part value selection confusion

Posted on April 02, 2013 at 02:13Hello.I've gone through the process of selecting part values for a few other dc/dc converters but I'm stumped with the steps to do so for the MC34063. I'm starting with 12V and converting to 5V and 3.3v so I just cop...

chmorgan by Associate II
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STGIPS10K60A

Posted on April 14, 2013 at 11:40yesterday, I tried  board STEVAL-IHM027V1, and then a burst, the explosion is under IC former, when I check with a multimeter, pin 25 (positive dc input) and pin 21 (v phase output) to be short circuited? whether it ...

Stepper motor stops when ABS_POS register overflows.

Posted on January 27, 2013 at 23:05Hello, I am trying to rotate my stepper motor 5000000 micro-steps (in 128 micro-steps mode) and its size is bigger than ABS_POS register size (it only has 22 bits in two's complement format). When the register over...

val_ltd by Associate II
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Reducing gate ringing of STD7NM80

Posted on April 10, 2013 at 17:48Hello, The image below is a piece of PCB layout of a flyback converter. As the layout is important I inserted a picture. The red is copper on the top layer. Blue is copper bottom. Problem I had with this converter i...

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ronald23 by Associate
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L4931 VLDO Regulator Issue

Posted on March 28, 2013 at 16:31I am using the L4931 VLDO regulator in my circuit, to regulate form 12.5VDC input to 3.3VDCThe part number that I am using is the L4931ABDT33 with the correct input and output capacitors as stated in the datasheet te...