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
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  • 20 replies
  • 18 kudos

STUSB4500 I2C hot swap

We're using this controller in our project and have the VCC pin tied to VBUS so the device does not pull power from the battery when USB is not connected (it was pulling ~125uA which is too much for our battery life as the main power is not turned of...

STCS1A

Hi I am using STCS1APUR to drive 10LEDS IR, (MTSM5116MT2-BK), circuit belowcurrent should be 1A as of f/b resistance, enable gets turn on as sson as the STM32 MCU comes up, supplying a 3.3VDC PWM though the MCUissue:the voltage drop across the led is...

nmohammad_0-1752242913431.png

VIPER31 switching losses

Hi,I would like to use the VIPER319HDTR and would like to check the thermal to see if Tj will be an acceptable value.However, the switching losses of the internal FET are not mentioned. Is the switching time of the internal FET known? Or is there ano...

Seeking Info on STEVAL-WBC2TX50

Hello STMicroelectronics Community,I'm working on a project using the STEVAL-WBC2TX50 evaluation board and would greatly appreciate any information or insights you can share. I currently have the PDF schematics from https://components101.com/sites/de...

VNHD7012AY Evaluation Board

Hello everyone, I'm looking for a Motor Driver IC and Motor Driver Evolution Board that can deliver 15 amps of continuous current. The VNHD7012AY Evaluation Board seems suitable for me, but will STM provide support in the future? Or are there any oth...

ufukv by Associate
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  • 3 replies
  • 4 kudos

Resolved! {19368485} Top marking for LDO L78L33ABUTR

Dear Respected Sir/Madam,Could you kindly confirm if the top marking 9C220 on the received LDO with Part Number: L78L33ABUTR is correct?As per the catalog information, the expected top marking for this LDO appears to be 8A.For your reference, I have ...

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
  • 9689 Views
  • 20 replies
  • 18 kudos

Resolved! ViperPlus Series for DCDC

I am trying to build a DCDC Converter with following conditionsVin: 400~600VDCVout: 12~15VDC(Isolation is not required)Current Rating: 100mA~300mA(Not really stricted)I can see DC application simple schematic at the first page of the datasheet for Vi...

Convert PB battery charger for LiFEPO4 batteries

Hi!I have an electric scooter that's a few years old, and I'm trying to find out if it's possible to use its charger for LiFePO4 batteries. The scooter's original batteries are two lead-acid units connected in series (24V total)The charger has the re...

Rafao95 by Associate
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  • 1 replies
  • 0 kudos