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
  • 9425 Views
  • 20 replies
  • 18 kudos

L6229Q EN internally connected to DIAG

Posted on October 21, 2014 at 00:52In the datasheet for the L6229Q, section 5.2 states ''Pin EN (Enable) has identical input structure with the exception that the drain of the overcurrent and thermal protection MOSFET is also connected to this pin.'...

jcarlson by Associate
  • 469 Views
  • 1 replies
  • 0 kudos

No working devices issue.

Posted on October 17, 2014 at 05:56 Hello, I see this question in the forum, but no one reply. Can anyone help to feedback how to solve this problem? Because I encountered this issue too. Thanks. ===========================================...

0690X0000060MoWQAU.gif

Motor electrical parameters

Posted on October 24, 2014 at 14:53Hi, I am not entierly sure how to correctly enter my motor parameters, and which effect they have, can anyone check if I am doing this correctly (sensorless operation with cordic startup, no extra features like flu...

Need recommendation for Full Bridge Driver

Posted on October 26, 2014 at 05:55I need a Full Bridge driver IC capable of at least 2.5 Amps at 125 kHz.The L6225 connected in parallel looks good but the highest frequency is only rated to 100 kHzIs there a higher frequency version of this or can...

sales by Associate
  • 383 Views
  • 0 replies
  • 0 kudos

Motor Electrical parameters Rs and Ls

Posted on October 21, 2014 at 02:19Gigi:        I have a question, measured in workbench Motor Electrical parameters Rs and Ls. I see ST data is used RLC meter measurement frequency at 100 Hz, but the motor is running in the PWM 16K frequency, wheth...

Bad Overheating problems with L6474 , Help!

Posted on September 05, 2014 at 03:36I'm finding that the L6474 runs terribly hot even at 1.4 amps . Its on a decent PCB with 20 plates thru tholes a small heatsink (1'' x 1'') on the back and it will rise to 110 C in less than 2 minutes . It is the...

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

L6470H discovery Issues on two systems

Posted on October 02, 2014 at 22:29I am attempting to run the L6470H discovery kit with the dspin software from a machine with windows xp on it. I was previously able to run it from another machine with xp, I installed the same files but cannot conn...

sburr by Associate II
  • 560 Views
  • 2 replies
  • 0 kudos

L6470 High Speed Issue

Posted on September 18, 2014 at 21:39Dear Motor IC Forum: I am using an L6470 to drive a stepper motor attached to a gearbox and am not able to achieve step rates greater than roughly 700 steps/sec with any microstepping setting. The motor gets loud...