300 Amps Through an Open Source Speed Controller
Originally published on hackaday.com by Lewin Day on 30 November 2023
For those seeking a robust electronic speed controller (ESC) capable of handling significant power, the MP2 ESC design, exemplified by owhite, offers an impressive solution. With a rating of up to 300 amps at a maximum of 150 volts (although tested only up to 100 V so far), this ESC design is built for high-power applications. Originating from the Endless Sphere forums, the MP2 ESC is designed to be compatible with VESC code using the STM32F405 microcontroller, making it suitable for driving potent traction motors in electric scooters and e-bikes.
owhite’s implementation adheres to the MP2 design, emphasizing its capability to deliver power well into the tens of kilowatts range. The design files for this high-performance ESC are available on GitHub, allowing enthusiasts to embark on their own builds. However, it’s crucial to note that handling such power requires robust components, including substantial MOSFETS and capacitors rated at 160 V, ensuring the ESC’s reliability and efficiency in demanding applications. The MP2 ESC stands as a formidable choice for those requiring a heavy-duty electronic speed controller in their projects.
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