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    

willzhou_0-1717985741931.png
willzhou by ST Employee
  • 9979 Views
  • 22 replies
  • 23 kudos

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
  • 9979 Views
  • 22 replies
  • 23 kudos

How to set STUSB4710 PDO profiles

Hi, I am designing a 25W power supply for the raspberry pi 5 for my battery powered project. The buck regulator I am using has a fixed 5V output and I want to use the STUSB4710 to offer 5V 5A to the Pi. How can I program the registers to do so via I2...

CMaker by Associate
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Resolved! Looking for datasheet on diode

From what I can read on this diode it is from ST for sure, and it says VU beside the logo, the next line is M R, and the last line is GP922.   Any help would be appreciated.

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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
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  • 3 replies
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Resolved! STWLC38 VRECT over-voltage clamping resistor

Hello experts, I have a question about how to determine the resistance value.In STEVAL-WLC38RX circuit schematic, R4 = 200, R5 = 200, R6 = NA.What is the idea behind the values you set?The electrical characteristics in the datasheet for STWLC38 state...

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Ryoma by Associate II
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  • 3 replies
  • 2 kudos

N channel MOSFET as LOW side switch for capacitive Load

Hello Team, I am looking for an N channel MOSFET as Low side switch for Capacitive Load.Application is to generate sharp negative pulses as below.Supply Voltage range: 25V to 450VPulse width: 25nsec to 9usecPRF: 0.5msecPulse current is 8Amax for 9use...

rikpat by Associate
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  • 2 replies
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Resolved! AEK-POW-BMS63EN reset state

Hi,I am working with a battery pack and the BMS. I have connected everything correctly to the board and after a first run everything seemed to work properly, the board was receiving commands from the MCU through the translator ISOSPI, and the green l...

M47 by Associate II
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  • 2 replies
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Resolved! DATA CODE FOR L78L05ACD13TR

hello dearwe have this BULK ID, and i want to know wich is the DATA CODEcan you help meor i have to give you the trace code?

GSESRL by Associate
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  • 2 replies
  • 1 kudos

SPI EVAL6480H Rev1

Hello! I'm developing a project with the L6480H integrated circuit, using the EVAL6480H board for SPI communication. However, I have a problem: the L6480H only echoes the commands I send via SPI. Regarding the hardware, I soldered the jumpers JP1, JP...