Power management

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
  • 8045 Views
  • 17 replies
  • 18 kudos

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
  • 321 Views
  • 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
  • 470 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
  • 539 Views
  • 3 replies
  • 2 kudos

VN750PS-E Status pin

Hi,Can you please tell me the function of status pin? Is this pin can be used as feedback pin and connect to mcu?If not used, what to do? In datasheet, table 2 is given for unused and not connected pins, but it is not clearly. 

DP_2920 by Associate
  • 229 Views
  • 1 replies
  • 0 kudos

L9963E in 12S setup, middle cell shows too low voltage

Hello!I have a L9963E in 192 cell EV battery setup, there's 16 modules daisy chained, each handling one 12S pack. The bottom module has a L9963T and stm32 chip that handles the whole pack and communicates with car through CAN bus. Everything is worki...

TSuik.2 by Associate II
  • 401 Views
  • 2 replies
  • 0 kudos

EVALSTDRIVE101

Hi everyone,for this driver I am seeing 700 ns sw deadtime also deadtime: 800. What is difference between them and which one is in use in application. Second question why it is 700 or 800 ns because according to Mosfet datasheet this values is too lo...

Zek_De_0-1735048970401.png
Zek_De by Senior
  • 299 Views
  • 0 replies
  • 0 kudos