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
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  • 15 replies
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Resolved! Spv1050 battery charging issue

    I have made a custom pcb of STEVAL-ISV019V1  circuit. In that ,we need to charge 3.7v lithium ion battery via USB supply and solar panel. When I connect USB supply or panel voltage as input voltage  the complete input voltage is coming in the bat...

SP1050

Hello,We are using the SPV1050 charger for our device, and we are planning to certify our device with FCC standards, so can you please advise some recommendations on the PCB design to fit the FCC requirements?   Also, someone recommend me to use a se...

Resolved! LED2000 shorts itself when attempting to use the DIM pin

Today I received several of my LED2000DR based LED boards. Everything worked flawlessly when using the chip as a plain LED driver. However, after trying to feed a PWM signal into the DIM pin the dimming worked for about a second but then the board we...

dimin by Associate II
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  • 6 replies
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Negative Triac supply

Hi,  I have a requirement to drive a Triac from the MCU powered by a DC/DC converter. The AC supply is typ 24 VAC @ Rc terminal with respect to C terminal. The Triac is to be driven as attached. The MCU GND should always regulated at Rc - 3V3. The MC...

Suggestions to me use a 6V panel with SPV1040

Hi Team,I am looking to use a solar panel which gives 6v and I want to use the spv1040 mppt converter.What would you recommend I use with spv1040 as it has a max input of 5.5v. Is using a buck converter before the SPV1040 recommended?Regards,Nilav 

Couldn't configure IDs of L9963e-MCU Eval KIT

hello. I operated the EV KIT with the STSW-L9963E GUI, and checked until the MCU was connected. After that press the "Configure IDs" button and the ACK LED will change from green to red. And then there is no communication. I ran the GUI as written in...

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kchan.1 by Associate
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  • 2 replies
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L6470 Wrong final position with "Goto" command

I have an issue with the "Goto" command of the L6470 driver.Sometimes (rarely) I send a "Goto" command to the driver with an absolute target positon, and the driver goes a few steps (1 to 3) further.The driver is set to work in 1/128 steps.After each...

Manu42 by Associate
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  • 3 replies
  • 0 kudos