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
  • 9688 Views
  • 20 replies
  • 18 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
  • 12 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.

IMG_20240703_171230[1].jpg IMG_20240703_172423[1].jpg

STDES-2KW5CH48V

Hello,We are working on building 48V Lithium battery charger for AGV's. I would like to know if below Eval board from ST is available for purchase. STDES-2KW5CH48V2.5 kW - 48 V battery charger reference design for industrial light electric vehicles (...

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
  • 170 Views
  • 3 replies
  • 0 kudos

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...

Ryoma_0-1752212439273.png
Ryoma by Associate II
  • 73 Views
  • 3 replies
  • 2 kudos

SPV1050 Temperature Range

Hi."Does STMicroelectronics have any plans to release the SPV1050 with an extended operating temperature range suitable for automotive (e.g., –40°C to +125°C) or military-grade applications?"Best Regards.

igdor by Associate
  • 31 Views
  • 0 replies
  • 0 kudos

[STWLC38] Operating Frequency and ASK modulation cycle

Hello,I'm developing a Qi compliant product (Not getting Qi.) using STWLC38JRM.Please respond on Operating Frequency and ASK modulation cycle to get back to the testing agency.[Operating Frequency]Qi standard defines the operating frequency from 110 ...

Ryoma by Associate II
  • 35 Views
  • 0 replies
  • 0 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
  • 48 Views
  • 2 replies
  • 0 kudos

Revision code on STUSB4500

We have a batch of chips labelled M27400 and another marked M37400.  Does this marking indicate the version number of the chips?  I'm seeing a difference in behavior between them (the M34700 are reporting PE states I haven't seen previously). Thanks,