Power management

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
  • 7566 Views
  • 17 replies
  • 18 kudos

Question for Application note AN5734.

My company designs circuits and artwork upon request from customers.We are considering this project based on a customer's request to change the laser power supply to be compatible with worldwide use.While considering various things, I am also conside...

shinba by Associate
  • 709 Views
  • 2 replies
  • 0 kudos

Resolved! STPMIC1 issue

Hello.We are using the STPMIC1APQR with the electrical scheme shown in the figure.  We are using the outputs corresponding to BUCK4, LDO4, LDO2, and LDO1.The BUCK4 and LDO4 outputs have voltage at startup, however, the LDO1 and LDO2 outputs, although...

PMIC_rtaImage.png
PAkRad by Associate III
  • 950 Views
  • 2 replies
  • 1 kudos

WLC38RX

We are using WLC38RX and wish to configure register setting usign the STSW-WPSTUDIO . However we do not have the EVK. Can we set the registers in the app and save the file? We need the basic config of 5V supply for battery charging, 100mA normal and ...

plawat by Associate III
  • 565 Views
  • 1 replies
  • 0 kudos

Resolved! L6472 output voltage detected on motor supply

Hello,      I have a board based on the stepper driver L6472. I noticed that, when I do not provide input 12V for the motor (the motor 12V but I provide the 3.3V for the logic (VREG, VDD, SW), I find a voltage of about 2.6V on the VSA, VSB pins. I tr...

MRaff.1 by Associate III
  • 632 Views
  • 2 replies
  • 0 kudos

E-L9823013TR

Hello!I would like to clarify, can I use octal low-side driver E-L9823013TR in daisy chain SPI configuration?Regards, Val

Valeryi by Associate
  • 327 Views
  • 0 replies
  • 0 kudos

Alternative of LDFM50DT-TR LDO

Hi, In my current design, I am using LDFM50DT-TR LDO for 5V output which acts as a source for RFID transceiver circuitry. LDFM50DT-TR is preceded by MEV3S0505SC (Digikey link) whose output goes to LDFM50DT-TR, please check the attached image for more...

UIB LDO schematic.png

Resolved! Transistor configuration for a heating mat (big load)

Hello everybody, I am currently designing a configuration utilizing two drivers to heat a mat, which is a resistor load requiring 24V and 3.3A. This component is commuted at 100 Hz. For this setup, I've employed two different drivers: the first one b...

massimoperdigo_0-1710172951236.png

spice model for STN4NF20L pin ordering

Looking at the ST spice model for  STN4NF20L i see only .SUBCKT STN4NF20L 1 2 3 There is no text note in the spice model file as to what the assumed pin ordering may be. The nodes in the model have no helpful names like DRAIN GATE SOURCE. Yes I can f...