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
  • 13219 Views
  • 23 replies
  • 31 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
  • 132 Views
  • 0 replies
  • 0 kudos

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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ATS-Byron by Associate II
  • 1983 Views
  • 7 replies
  • 1 kudos

Resolved! 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
  • 715 Views
  • 3 replies
  • 0 kudos

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 III
  • 410 Views
  • 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 II
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  • 2 replies
  • 0 kudos

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
  • 177 Views
  • 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...

Resolved! Maximum junction temperature for L78

Hello.I would like to know the maximum Tj value of L78.I think the junction temperature of silicon semiconductors is generally 150°C, but the data sheet states that the operating junction temperature range is 0 to 125°C for L78 and 0 to 150°C for L79...

Yoshi_ by Associate
  • 181 Views
  • 1 replies
  • 1 kudos

Resolved! The difference between STTH20003TV1 and STTH20003TV

Hello Team,I found both STTH20003TV1 and STTH20003TV are available on the market.Unfortunately, I cannot find STTH20003TV1 in ST datasheet.STTH20003 - 300 V, 200 A Ultrafast Diode - STMicroelectronicsCould you provide the difference between STTH20003...

robertw1 by Associate II
  • 174 Views
  • 2 replies
  • 1 kudos