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
  • 12543 Views
  • 22 replies
  • 30 kudos

SPV1050 Charging Problem

Hello,I designed a circuit, but there is a problem with it. My supercapacitor (C5) is charging very slowly. I am using Dracula's standard OPV. It receives an average of 500 lux. It is charging so slowly that it is almost not charging at all. What cou...

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Bard48 by Visitor
  • 62 Views
  • 3 replies
  • 1 kudos

Output capacitor selection

Hi,There is no certain information about output capacitor ESR limit value for stabilization. -Input : 5V-Output : 4V @3A-Desired Output Capacitors : 2x10uF 10V  Can we use Ceramic capacitors with additional series resistor? In this case what is requi...

hamzdmr by Associate II
  • 39 Views
  • 1 replies
  • 1 kudos

Resolved! STM32F334 MCU Source file for FB_LLC

Hello everyone,I’m trying to locate the DSMPS 3kW – LLC STM32F334x firmware package, which is described as containing the following folders:Documentation – includes compressed HTML and LaTeX help files generated by DoxygenDrivers – includes HAL, LL, ...

3 Phase Delta and the EVALSTPM-3PHISO

I have the EVALSTPM-3PHISO. IT appears that it only measures Volts and amps on a single phase at a time, then switches to a different phase for 3 consecutive phases. We are working with Delta power (no neutral). Do the Sample and hold on the ADCs get...

Power Delivery possibilities

Hello,        I am creating a board using the STUSB4500QTR and I saw something on a video that confused me.  I want to use the IC to take in 100W (20V/5A) and output three different voltage rails: 3, 3.3 and 3.7.  Each will have a fairly large curren...

Resolved! Download STSW-WPSTUDIO

I bought the STEVAL-WLC99RX evaluation board for the STWLC99 Qi 1.3 compatible receiver and cannot find a location to download the GUI to program/monitor the receiver. The page that I am pointed to (https://www.st.com/en/embedded-software/stsw-wpstud...

sedmonds by Associate
  • 1994 Views
  • 7 replies
  • 1 kudos

BTA41-600BRG stuck ON in some cases

We are using BTA41-600BRG triacs on our temperature control boards to turn on 240V tank heaters. The tank heaters are 1500W, 3000W, or 4500W depending on the unit model and operate at 240VAC. The circuit we are using is attached. We use a FOD4108 dri...

t_jonas by Associate
  • 37 Views
  • 0 replies
  • 0 kudos

SPV1040 IC Burns

@TDK , @Peter BENSCH  we are facing SPV1040 IC failure (burns) in the field, after around 3 months of installation, attached schematic and our solar Panel speciation Voc:4.55V, Vm:3.85V, ISC:1026mA, Im:950mA.Battery spec - 9000mAh, 4.2V Lithium ion.