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
Power management
Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Forum Posts
Noise on the powerstep01 Busy line
We need to use the Busy line as an interrupt and have noticed that often there is considerable switching noise on that line, making use for that function unreliable. We currently pull it up to VREG with a 39K. We have tried reducing this resistor to...
temperature affect L6470 Stall detection
I am using stall detection when stepper motor enter under force. but temperature affact detection system. I am using same force in same system but stall detection feedback is different position in different temperature. I need to find force position...
Is IGBT reacts like MOSFET?
I have designed a ballast to reduce DC voltage before the power supply driver (UCC28880).This ballast was first do with MOSFET 1200V : it was OK. We decided to replace the MOFset by IGBT (STGD5NB120), and then the ballast generates noise ( like crak...
Resolved! STSPIN32F0 external 3.3V power supply issue
mode 1：SW pin short to GND or VDD，how to short ？connect direct or use resistance（what is the best value？）， internal swith will not workmode 2 ：SW pin NC or connect to VM，but the internal swith is working still。in high temperature ，High efficiency ，L...
ST1S03: Can efficiency be improved?
I am using ST1S03 in the inverting configuration shown in Design Note DN0011. Input 3.3 V +/- 7%. Output -3.3 V ~150 mA.I am getting efficiency only ~69-72%. Which, now that I look into it, is not much worse than the datasheet typical value of 70-75%...
Viper Flyback Converter design ?
Dear Members,where can I download updated version of :Viper Flyback Converter design software ?I checked the bom, but can not find the value of F1, Th1, C1 and L1, thanksScreen shot :
Three-phase motor speed controller AC 380 VAC
Hi, I wanted to start with this project for medium power motors of 20 30 55 kw. I have been checking in the community but there is little of this type of AC motors I wanted an orientation with which microcontroller to start and what tools to use for ...
Resolved! STM32F0 Discovery, double buffering
As the topic says i want to implement double buffer for my ADC on DMA interruption to save data on SD card.I've done two buffors. I am saving data to two of them in sequence. If one gets to it's limits the other one is taking the data. To point the c...
If Vin=36V，Iout=0.4A，Vout=5V，LDO40L need for heat dissipation protection?
Vin=36V，Iout=0.4A，Vout=5Vtransfer efficiency ：13.8%Pd=31*0.4=12.4W
I would like to couple the STEVAL-ISC004V1 (USB PD source) with the STEVAL-ISC005V1 (USB PD sink) like in this demonstration video https://youtu.be/Sld2pj-_ho0?t=100 My question is how you can choose which Vbus voltage level will be negotiated.
In the video, it appears that the boards cycle automatically through the different PDO's (first the LED at the 9V PDO lights up, then the LED at the 15V PDO and so on. Is this default?Let's say that I connect an electric razor to the 15V PDO at the s...
