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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L6474 -- much faster in forward direction than in reverse?

Posted on June 22, 2015 at 16:05I've been encountering a strange problem.  I can use the L6474 to move a stepper motor pretty fast in the forward direction.  When I flip the direction bit though, I find that I can't make it move anywhere near as fas...

dvelasco by Associate II
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Non-detected Stall L6482

Posted on June 30, 2015 at 15:58Running a bidirectional stepper at 30V with L6482 and getting actual stalls in 16-microstep mode -- under load the motor literally stops and hums, but nothing is reported back to software. It's like the driver has not...

akates by Associate
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stm32

Posted on June 10, 2015 at 10:16Can i interface a quadrature encoder to stm32 without using the channel 1,for example using the channel 2  and channel 3 .  

L6470 in HiZ state chip gets hot is it normal?

Posted on June 14, 2015 at 20:55Hello I am new to dSpin, but straight to the question.I have a L6470h setup on a protoboard using schematics found in the usermanual.But I see that the chip gets very hot even though it is in HiZ state. I measured the...

msciuka9 by Associate
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TBOOST Usage L6482

Posted on June 30, 2015 at 16:04The manual describes the function of TBOOST well, but none of the examples of configurations that I have seen show the parameter set to anything besides 0x00, or really when it would be useful to implement it. Could s...

akates by Associate
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Speed Control according to DT0001

Posted on March 11, 2015 at 10:54Hi, the application note DT0001 suggests controlling the motor speed by using the FWD/REV pin with a duty cycle. Though this sounds very promising especially for feed-back controller design I was wondering what happe...

stepper motor

Posted on May 18, 2015 at 06:33HiI want to select a stepper motor for my project. I use L6470 IC drive.I�m new in motor working. I need a bipolar 2 phase stepper motor with minimum voltage 8 volt. Is it correct? Could you guide me in choosing a corr...

yasamin by Associate II
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PowerStep01 Register Address and SYNC signal

Posted on June 05, 2015 at 16:53Hi,    We have a couple boards with Powerstep01 engineering preview ICs.   We can get the motor up and spinning, but we ran into a few issues.  First, the register address for CONFIG and STATUS do not match the curren...

pitchaya by Associate
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