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
  • 8617 Views
  • 19 replies
  • 18 kudos

STPM34 UART communication with ESP32

I have developed code in arduino IDE , I am only getting the output receive from UART 04000A075 . I understand that this is the default value in register DSP_CR1. Could someone please tell me what does this mean.I hereby provide the code for receivin...

vivek_7 by Associate II
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  • 10 replies
  • 0 kudos

EVAL6498L Evaluation Board

Moved from Feedback forum.I am exploring the possibility of using the EVAL6498L Evaluation Board to reverse the polarity of a DC bias in my circuit, and I would like to confirm whether it suits my application.Application Details:Objective: To dynamic...

Resolved! VN9D5D20FN operating with Vcc 5v

Hello,We are looking to use VN9D5D20FN (SPI management and monitoring) as power distribution solution for our product. There are 4 channels which are fed from common output of a buck converter. The buck has 5V 3.2A max output and that goes into VN9D5...

Cio by Associate
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  • 1 replies
  • 1 kudos

Resolved! What is the maximum error of STPM32?

Hello,in the Datasheet of the STPM32 the accuracy of the active power is 0,1% error over 500:1 dynamic range.Is this the best case error or the maximum error of the enerqy measurement after calibration?What does the dynamic range of 5000:1 mean?  

Stp1 by Associate
  • 513 Views
  • 2 replies
  • 1 kudos

BMSWTXA - Eval Board

Hi, We have ordered the AEK$POW-BMSWTXA Eval board in hopefully testing it with our active battery balancing solution. I was wondering if anyone knows if this board can be used standalone without the need for a secondary MCU, and if there was any way...

Resolved! L7987L Not working as expected.

Hello everyone, In the link below I designed a DC/DC Buck configuration with the L7987L chip. We have used this chip many times but I needed to update the EMI performance so I reduced some loops on the layout side. Also removed the separate ground pl...

AMens.1 by Associate II
  • 586 Views
  • 3 replies
  • 2 kudos