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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L6480 sine wave step noise

Posted on December 17, 2013 at 18:01Hi, using the L6480 motor driver, having a problem with noise, probably due to the starting pulses of the sine wave. Its at 1/128step mode. Attached is a picture of the problem. Anyone know what settings need to ...

robert2 by Associate II
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VIPower HSD switches - PWM operation

Posted on December 20, 2013 at 11:39Hi,Are the M05 to M07 series of VIPower IC suitable for PWM control of resistive and inductive loads? The app note from M03 (AN1596) specified, ''In fact a standard number of cycles of a HSD is over 500,000 and th...

johnw by Associate
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L6470 WITH UNIPOLAR MOTOR

Posted on December 16, 2013 at 09:50I use ST L6470 with unipolar motor. L6470 is biplar type dirver, so I unconnected com line of unipolar motor. motor spec is below:  MAKER: sanyo denki  type : 103H5210-0480  1.2A/1.8DEGREE/3.3OHM. because unconnec...

sojaewoo by Associate II
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L6470 reversing problem

Posted on August 28, 2013 at 20:21We are using the L6470 in a new design. We have found that when we move to a position then reverse direction we find that the new position comes up short by 2 or 3 steps. After this initail error all future moves in...

fbasso by Associate
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L6470H :What concessions motor run better? Vibration noise

Posted on November 02, 2013 at 09:31hi,guys, how to calc ''Running target current''?? stepper motor parameter:1.5A current?nameplate?this is RMS current??????? min speed:50 steps/s,max speed 2000 steps/s, ACC 1000 steps/s2, test board:EVAL6470H &&...

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xiaohu by Associate
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3 watt LED driver using viper22AE

Posted on December 03, 2013 at 13:32Hi please help me to design 3 watt LED driver using viper22AE. The information given in datasheet is not getting me.

h7techs by Associate
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SPI chain EVAL6480H motor

Posted on November 21, 2013 at 18:17Also with the EVAL6480H, I have 2 boards in an SPI chain. After configuration, I can only make the first selected board work. To make the other motor work, I need to shut the power off, start over, and select the ...

robert2 by Associate II
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Viper53 Eval Board Schematic CAD

Posted on November 14, 2013 at 18:33Would anyone have the schematic source for the Viper53 board STEVAL-ISA013V1  ? (Any format - Orcad, PADS, Eagle, etc ...)

STM32F100RBT6B 3V3 to Drive L6208 Stepper Motor Direct

Posted on October 15, 2013 at 13:48Hy, i must build a new board for control Stepper Motor. The pwm control logic and all, is manage with new cortex STM like STM32F100RBT6B. I want an unique 3V3 logic supply for all, is possible drive and receive al...

michele by Associate
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  • 1 replies
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L6470 vs L6472

Posted on October 02, 2013 at 17:40Hello I understand: 6470 uses voltage mode drive/bemf compensation  6472 uses current mode drive/adaptive decay comp compensation If my uStep requirements are 1/16. What other parameters should I consider for my de...

ppostig by Associate
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  • 3 replies
  • 2 kudos