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  1. Botvink

    Aluminum Wire Wound Resistors for Load trials

    I created some resistive load groups with aluminum resistors to force my motor driver. One friend of mine got a little scared me that these resistors could explode strongly if I used higher than listed watts. Is this true? For example, if I pass a 1000watt resistor in the group in the picture...
  2. Botvink

    VESC STR-500 100V 500A Launched

    I just came across it, I think it was shared today or these days. The values are enormous! What are you thinking? I would love to see the mosfet control section:) https://trampaboards.com/vesc-str500-100v-500a--p-35876.html
  3. Botvink

    High Current Switches...

    Hello friends, I am curious that what switches you are using at projects, I will use it for 150A peak 40-50A continous current needed motor driving system. At digikey most switches are mostly 20A rated.. https://www.digikey.com/en/products/detail/nkk-switches/S31-CUL-WL/13548176...
  4. Botvink

    Hall BLDC Variable Timing Advance Alghoritm?

    Hello friends, I am still on journey of homemade PSOC based Hall BLDC motor driver here: https://endless-sphere.com/sphere/threads/my-brushless-design-for-hall-effect-type-motors-looking-for-suggestions.119183/ Now I am testing with many motors and faced that timing issue that some motors turn...
  5. Botvink

    Rigol 4 Channel MSO5104, Do you recommend?

    Hello friends, I received good price for Rigol MSO5104 model at distributor. It also comes free with MSO5000BDN upgrade functions. It has power analysis function (Built-in power analysis MSO5000-PWR). I am thinking to buy as it is 4 channel, that can help for better diagnostics at ESC design, I...
  6. Botvink

    My Brushless Design for Hall Effect Type Motors, Looking for Suggestions

    Hello friends, I'm very new to the forum, but I wanted to contribute a little and share the project's changelog and get your valuable friends' ideas. I design mostly brushed motor drivers, controllers for years and trying brushless motor designs, that design is my 4th attempt and at every...
  7. Botvink

    How Safe this TVS Diode?

    Hello friends, I am designing one brushless motor driver. It is targeted for 6S (25.2V Max) power motors. And max current planned is 100A. I selected this TVS diode: SMC5K28A-M3/H https://www.digikey.com/en/products/detail/vishay-general-semiconductor-diodes-division/SMC5K28A-M3-H/7427140 IT...
  8. Botvink

    LFPAK88 vs T0247 for 24V 100-150A Controller

    Hello friends, I am designing some custom hall based bldc motor driver and made my designs with mostly Psof8 or LFPAK88 package mosfets such as: BUK7S0R9-40HJ 40V 375A mosfet, paralelled for each half bridge. While browsing the forum, I saw that many people use To-247 model mosfets, do you...
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