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...

willzhou by ST Employee
  • 6 replies
  • 3 kudos

Resolved! Thermal Characteristic of LDO

The thermal characteristics of the LDL112PU33R show the junction to ambient thermal resistance (JA) and the junction to case thermal resistance (JC). However, the junction to board thermal resistance (JB) is missing. We need this characteristic for t...

royS7 by Associate
  • 3 replies
  • 1 kudos

Spv1040 connection

Dear all. i am facing a problem when connecting the SPV1040 in parallel. I have 3 solar panels that produce 2.5 V each and i am trying to connect the three SPV1040 in series to have the total of 16.5 volts as output. However, when connecting the outp...

evalstpm-3piso is not response command

I purchase evalstpm-3piso eval' board.I try to test with STSW-STPM005 UI program.When I try to get measurements data at PHASE 1, 2 or 3,  it is not response.So I try with Teratem program that command "met metro 21 1 1", it is not response. Please hel...

Taeho by Associate
  • 0 replies
  • 0 kudos

VNP35N07-E with marking "E"

  Hi, We got some parts of VNP35N07-E, they have different Marking , I attached photos for your reference. The datasheet does not mention the marking on the chip, Is there any documentation indicating how to interpret the marking ? Is E marking norma...

JFu.5 by Associate
  • 2 replies
  • 0 kudos

L9961 - not using VREG advice

Hi all,I am looking at using the L9961 (https://www.st.com/en/power-management/l9961.html) for a project and after looking at the datasheet, I see it has it's own LDO.The LDO can supply up to 35mA (pg. 13 of the data sheet). My design will use a STM3...

Electric heater control

Hello, I am designing Electric Heater control circuit. My circuit has two SCR in inverse-parallel strucuture and I use both of phase angle and zero cross control. I have used SCR component model BTW69, but the issue is that I need big heat dissipatin...

lhagva99 by Associate
  • 1 replies
  • 0 kudos