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
  • 8793 Views
  • 19 replies
  • 18 kudos

Resolved! STM32F405 behavior when VCap pins aren't connected

Good morning,I'm using STM32F405 for my embedded project and this PCB version showed itself a real MCU killer... So far, it has already burned 4 MCU. Here's my situation. It's not my first time designing using an STM32 (I've already used STM32F103), ...

Agatti by Associate
  • 1272 Views
  • 4 replies
  • 2 kudos

Different reading on shunt depending on motor direction

We have based this board off of  EVAL-L99H02QF.We are having a difference in current reading on CSI2. We have 2 shunts, and the one that goes to GND R38 in my picture has a different reading whether motor is going one direction or the other. We canno...

Joshcm by Associate
  • 649 Views
  • 1 replies
  • 0 kudos

PowerStep01 step clock mode, maximal acceleration

I have a motor that is capable of of an acceleration of more than 1'000'000 steps/sec^2. However, I cannot this high acceleration because the max. acceleration the internal motion engine of the PowerStep01 allows is 59590 steps/sec^2 (ACC Register, S...

pf8645 by Associate II
  • 416 Views
  • 0 replies
  • 0 kudos

Resolved! WLC poller/listener development boards or and app notes

I am lost and confused between the wireless charging topic when it comes to development boards. Which ones should we order in order to test the working principle of the wireless up to 1W charging?Is ST25R3911B-DISCO the one to use as the WLC-Poller? ...

Val by Associate
  • 1767 Views
  • 4 replies
  • 1 kudos

Resolved! Need help IDing a TVS

I have a PCA with a blown TVS. The markings are: ST e3 G3BA◇YZ521I've seen TVS datasheets with markings starting with 3BA, but the diamond symbol is throwing me off. Can you assist?

IMG_2239.jpg

Disabling open load detection in L99LDLH32 driver

Hi, I am using the L99LDLH32 driver in an application in which some of the output pins of the driver are in open load, the problem is that in this way an open load fault is generated by the driver, deactivating all the output channels. Is it possible...

Searching for spice simulation model

Hello, I'm currently in need of a SPICE simulation model for the USB PD controller TPS65987DDHRSHR. Would it be possible for you to provide me with this model? Your assistance would be greatly appreciated. Thank you.

nesrine12 by Associate III
  • 658 Views
  • 1 replies
  • 0 kudos

素子のひずみについて

・VNH7040AYTR の耐プリント板曲げ性の耐久力をご教授下さい。社内で生産した製品にて2,000~3,000μSTのひずみが確認されました。良品としての使用権を検討したいため、上記の素子のどこまでのひずみが耐えられるのかご教授下さい。

Ushigeki by Associate
  • 384 Views
  • 0 replies
  • 0 kudos

Resolved! STSW-GMBL02V1 cannot connect

Hi Team.I'm trying to connect STEVAL-GMBL02V1 board with STSW-GMBL02V1 control application.The cursor icon becomes a standby animation, but I cannot connect.I connected using the following steps:supply 8V of power to the STEVAL-GMBL02V1 board.connect...

Kenji1_0-1703227174648.png
Kenji1 by Senior
  • 2039 Views
  • 3 replies
  • 0 kudos