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Transient period over current problem.

A 24 VDC, 10 A AC/DC converter design has been done using the eDesignSuite on the ST website. The converter gives a very stable output at 24 VDC. We did not encounter any problems when we used the converter at normal loads below 10 A. However, when w...

sonerA by Associate
  • 592 Views
  • 2 replies
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a LOT of problems with KEIL uVision

Hello. I am a very beginner in STM32 and in electronics overall and I have a really big issue with Keil uVision5. I was following my tutorial, the guy in the video told me to create a project in CubeMX and then generate code and open in in Keil uVisi...

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EhoMen by Associate
  • 407 Views
  • 1 replies
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Sainsmart STM-5045 Stepper Driver repair?

I have two Sainsmart STM-5045 4.5a stepper drivers that i would like to get running, i had a pretty tough day last week with my machine and had to put this aside for a bit but i would like to see if i can salvage either of them today.The order of eve...

frank22 by Associate
  • 217 Views
  • 1 replies
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S2-LP Parameters configuration

Could someone help to understand the better value to use at frequency deviation, considering at bellow specs: #define BASE_FREQUENCY 916000000 //Hz #define MODULATION_SELECT MOD_2GFSK_BT05 #define DATARATE 38...

LPrat.3 by Associate II
  • 481 Views
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Questions for circuit design using the S2-LP

HiI am developing RF transceiver with S2-LPQTR, frequency range 413-479 MHz. Also I bought BALF-SPI2-02D3 which applies to 433MHz impedance matched balun filter. Based on the mentioned details, I referred to the following schematics for designing the...

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Dohyeon by Associate
  • 173 Views
  • 0 replies
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Resolved! Setting 3.3V on STEVAL-USBI2CFT Adapter

Hello,I'm trying to set the voltage to 3.3V on my STEVAL-USBI2CFT adapter, but I'm unclear on how to do this. The user manual (UM3226) mentions setting the voltage via soldering jumper JP4. However, my board has seven solid pads labeled J8, J4, J5, J...

geometer by Associate II
  • 475 Views
  • 4 replies
  • 2 kudos

Resolved! STUSB4700 - constant output switching

We are using the STUSB4700 in our PD implementation as a source. We have encountered an issue where it seems like the output is constantly switched on/off/on/off with about 500ms on, 200ms off timing.Below is the schematic which connects to a USB typ...

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