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 stall detection

Posted on May 25, 2013 at 00:01Hi Can one implement stall detection on the L6474? Thanks Andre

Andre1 by Associate II
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L6470

Posted on June 03, 2012 at 21:47hi , i am currently evaluate l6470 and have a few questions : 1. does the driver suitable for stepper motor with max 3A current per phase ? 2. how to obtain maximum holding torque ? ( setting K_HOLD to FFh ?) #go_u...

eyals111 by Associate II
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L6474 grounding/layout recommendations

Posted on June 03, 2014 at 11:22The L6474 chip provides three ground pins (PGND, AGND, DGND) as well as a thermal pad (EPAD) connected internally to all three of the above. If I understand the chip's block diagram correctly (datasheet, p. 7), PGND a...

maurizio by Associate
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L6470 Power ON and RESET

Posted on June 20, 2014 at 07:29HiI'm using L6470.It works to move step motor a bit,when the Powered on.The motor's coil  Voltage was high between  the RESET turn high and First SPI communication is started.(Almost 10ms?CPU's order)I don't want to m...

Step-Clock Mode

Posted on June 17, 2014 at 11:15Dear all,I actually using two l6470 boards (to control two stepper motors), connected in daisy chain configuration also with STM32F4DIS-EXT.I don't understand very well how to control these drivers in STEP-CLOCK mode....

Problem with generating PWM using TIM2

Posted on June 06, 2014 at 11:53The original post was too long to process during our migration. Please click on the attachment to read the original post.

aymane by Associate
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in-rush current control

Posted on June 03, 2014 at 01:40I am working on a large system that is comprised of several different subsystems supplied with AC mains. In order to control inrush current to the system I want to build a controller that switches on AC duplex outlets...

Winding noise during hold

Posted on October 25, 2013 at 00:06Hello, With L6472 I hear audible (high pitch) noise from motor when holding. volume of noise increase with increase hold current. It does not matter if the motor is loaded or not.When I look at winding with scope o...

ppostig by Associate
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