Power management

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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 2. Python drive code, check attach file "Python_FT260_S...

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willzhou by ST Employee
  • 4103 Views
  • 15 replies
  • 6 kudos

STBB3JCC Feedback Resistors

I found this part of the datasheet for the STBB3JCC component a little confusing. Could someone help me calculate the ideal resistor values ​​to have an output of 3.3V?  My board is powered by a lithium battery that varies from 3V to 2V. The output r...

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Maihach by Associate II
  • 306 Views
  • 0 replies
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Resolved! device marking code

Good morningCould you please provide me with the part number of the component in the image ?I attach a linkhttps://1drv.ms/i/s!Ajq7wiTh-c6nhJsS3VS-GZIVd5U5lQ?e=dXQPAw Thank youRegards

JOMASAPA by Associate
  • 663 Views
  • 2 replies
  • 0 kudos

STUSB4500 Power during programming

Hello :p  I am designing a circuit that should negotiate the highest level of PD, and noticed that STUSB should be programmed and configured first using I2C. My question is whether the chip needs to be powered through VDD when programming, because th...

emelia by Associate
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  • 1 replies
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labeling STEF033PUR

Hi, we purchased STEF033PUR and got deveives with labeling "EF33" - based on data sheet this lable doesn't exist - lable should be "EF03" - can you clarify that?

MMP by Associate
  • 424 Views
  • 1 replies
  • 0 kudos

MasterGAN bootstrap supply question

Hi all,I am using a MasterGaN5 to drive an electro-optic crystal.  The switching rate is variable and can go up to 1-2 MHz, while at times I need to apply a constant high voltage to the crystal.  My solution was to use an external isolated 5.5V suppl...

TStal.3 by Associate
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  • 0 kudos

Resolved! STBB3J Feedback Voltage Resistors

Hello, I'm new here. I'm doing a project with STBB3J components and I believe I didn't correctly understand how to calculate the resistors that control the output voltage. I followed the example of the same application circuit, which is this (page 4 ...

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Maihach by Associate II
  • 1571 Views
  • 7 replies
  • 4 kudos