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
  • 8488 Views
  • 19 replies
  • 18 kudos

STEVAL-BMS114TX no signs of life

Hello,I am looking for an IC to monitor cell voltages of a 12s lipo battery.I found the L99BM114 IC. To get started, I bought the STEVAL-BMS114TX.Currently, I have connected 12 resistors in series to my lab supply with 48v. In between these resistors...

dennis3_0-1748252094374.png
dennis3 by Associate
  • 54 Views
  • 5 replies
  • 0 kudos

Resolved! VBATMON Operating and Absolute Limits – L9678P

Dear ST Support Team, We are using the L9678P in an automotive design where the battery voltage is nominally 28 V. From the datasheet, we understand the following for the VBATMON pin: Absolute maximum voltage: 40 V Operative maximum voltage: 18 V We ...

EVAL-L9963E-MCU GUI

Hi, i made up a set up of 4 cells and I connected them to the connector of eval-l9963e-mcu. I already changed 4 cells, cause it seems like there is a dissipation for the cells. When I active the balance by GUI i don't see that the cells are balancing...

STWBC86JR wireless charge efficiency

Hi,When we were using the STWBC86JR as the wireless charging TX, we encountered a problem. The design is defined as wirelessly charging the battery and supporting the product's operation. The tested charging efficiency was relatively low, only 43%. W...

Wendy by Associate
  • 15 Views
  • 0 replies
  • 0 kudos

STUSB4700 - with data

Our application requires charging a laptop at 65W via USBC with USB data passthrough to the laptop as well.  A tablet computer is typically used to communicate with the laptop while it is charging.  The roles would be aligned with the laptop acting a...

stevef by Associate
  • 22 Views
  • 0 replies
  • 0 kudos

Need LED backlit LCD 200mA driver with PWM dimming

STM32F746G-disco board currently uses a STLD40D led driver. I am switching to an LCD that had 1000 nit output that can draw 150mA.  Looking for a driver that can handle about 200mA with PWM dimming capability.  Any suggestions appreciated. 

FJB2069 by Senior
  • 29 Views
  • 0 replies
  • 0 kudos

STEVAL STWBC86TX programming

Hello, I would like to program a board with the initial configuration of the STEVAL STWBC86TX. To do this, I need two files: PATCH and CONFIG. Where can I download these files to the STSW-WPSTUDIO GUI of the test board we have?

DEIQO by Associate II
  • 25 Views
  • 0 replies
  • 0 kudos