Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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    

willzhou_0-1717985741931.png
willzhou by ST Employee
  • 9738 Views
  • 22 replies
  • 19 kudos

L9942 - Motor lose some microsteps

Posted on August 08, 2013 at 20:17I want to control a stepper motor (http://pt.farnell.com/astrosyn/163/stepper-motor-1-8deg-5v/dp/9598650) with L9942 from ST.But i have some problem because the motor dont rotate uniformly (lose some step): My curre...

0690X000006057MQAQ.png 0690X00000605RhQAI.png
jdiogo10 by Associate
  • 973 Views
  • 3 replies
  • 0 kudos

Migrating from Power board MB459 to IHM023V2

Posted on July 09, 2014 at 04:41All - to save you a bit of trouble, here is what I found when I migrated my existing power board (discontinued by ST) to the new IHM023V2 power board:1) The connector pin-out to the STM32F10X-128K-EVAL is identical.2)...

davef967 by Associate II
  • 659 Views
  • 1 replies
  • 0 kudos

Problems with SW_MODE bit in CONFIG register

Posted on July 01, 2014 at 01:11I'd like to enable the HardStop interrupt (i.e. SW_MODE = 0) when I home my motor and then disable it afterward so that subsequent moves do not trigger the interrupt.  Enabling the interrupt before I start homing via ...

Evaluation Tool

Posted on January 02, 2014 at 16:47In the BEMF compensation,  How can we evaluate the speed by ourselves? #evaluation-tool

0690X00000603KdQAI.jpg

L6474 Charge pump low...only 5 volts

Posted on June 26, 2014 at 03:57I'm builting a mini drive using the L6474. Got it all working and it runs smooth, but the driver runs very hot and I measured the charge pump and the voltage is only 5volts p-p max (manual says it should be 10vp-p)   ...

larken by Associate II
  • 603 Views
  • 3 replies
  • 0 kudos

L6470 get ABS_POS: 8th Bit always Low

Posted on November 30, 2012 at 16:43Hello ST!We are using the L6470 and it is working quite well. But: We have problems when reading the ABS_POS register. It seems to be that the 8th Bit (for 128) is always Low. See Our values:   Go To Pos   R...

edgar23 by Associate II
  • 1016 Views
  • 7 replies
  • 2 kudos

Problems in Configuration of my L6482 board

Posted on March 23, 2014 at 11:37I have designed a board using a L6482 chip. My L6482 has started, and I can send and receive messages a través de SPI bus, but now I have a problem: My STATUS register says: 1110 0000 0000 0011  (Get Status Command =...

0690X00000603OoQAI.jpg
val_ltd by Associate II
  • 2899 Views
  • 25 replies
  • 0 kudos

Motor Controller for BLDC Motor

Posted on June 26, 2014 at 12:43Hi, For our Medical Respirator equipment, We need Micro controller, Which is capable of controlling BLDC motor up to 60,000 RPM with minimum CPU utilization. Please suggest suitable microcontroller from ST. Thanks ...

kannan by Associate
  • 519 Views
  • 2 replies
  • 0 kudos

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
  • 642 Views
  • 3 replies
  • 0 kudos

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
  • 1111 Views
  • 5 replies
  • 0 kudos