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_0-1717985741931.png willzhou_1-1734156149269.png willzhou_0-1734155900141.png
willzhou by ST Employee
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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
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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
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  • 2 replies
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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
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Resolved! stm32f429-disc1

How to turn on  stm32f429-disc1 board by using an external power supply and use stlink only for programming and debugging.

STEVAL-ISV019V1 and pv cells

Hi !I've the above eval board and wish to charge a 3.7V Li-ion 1500mah battery using PV Cells.When I connect the PV Cells to the input and check the output (bat-line), we do see 4.2V. Then when we connect the battery whose voltage is 3.98V and let it...