I bought this kit consisting of a C28027F launchpad and a booster for DRV8301 with 10A MOSFET’s some time ago. Costed me a fortune in P&P and Tax. I have never done anything With it, but as Code Composer now is free I thought I should give it a try since I plan using DRV8301.…
This is a mechanical mock-up made in PowerPoint just to illustrate some ideas. I move MCU and Gate Driver Logic (DRV8301) to a separate controller board that can be reused. This will require a clever interface between controller and driver, but be generic for 60V designs of some size. On this we can add bread-board…
This ESC support 120V and 500A which basically is a 60KW Motor Driver costing ca 500.- USD. I see motors delivering 80KW for 1000.- USD. You can probably find larger than this as well. Some of the ESC’s even have water cooled heat sink to get size down. 100 x 200 x 30mm seems to…
One of my main concerns about IRF7862 is that I target 15A while 17A is their range at 25 Degrees. Pulse drain is 170A and using PWM we need to take a bit care because 15A on 50% PWM duty is actually 30A in PWM peak currents. If you manage 15A with 10% PWM duty…
Just a list of my designs targeting motors with new names so I can keep them apart. Name Voltage Ampere Driver Type MC2P12V1A 12V 1A DC Motor controller. MC3P28V2A 28V 2-2.5A 3-Phase micro controller. MC3X60V3ACAN 60V 2.5-3.5A New 3-Phase, 2-Phase or 3x Solenoid driver. Previously called MC3X3ACAN. MC4X24V15A 24V 15A (21A) Stepper, 3-Phase, 2x 2-Phase…
I have so many motor controller designs that I need to give them names, so I use MC + <driver type> + <Max Voltage> + <Max Current>. MC2P60V100A means 3-Phase, 60V (8-60V in this case) and 100A currents. The drawing below is an early draft. I decided to use DRV8301 or DRV8302. These are…
The Half H-Bridge channels are working very well. I initially had some issues with IR2101 as I do not have pull-up’s. but moving to IR2103 this one have logic to prevent short-cut. This is however a weakness, so I need to add a pull-down resistor so I know the state of the MOSFET before the…
Looking for a proper source for IRF7862 I realized that none of the sources on AliExpress have sold anything before. And checking Arrow I managed to get them cheaper from there at 0.59 USD each. I also notice that Pololu makes a H-Bridge based on these they claim deliver 15A without heat-sink. I tested 7A…
I got a new batch with IRF7862 and added them to the controller. Had 2 channels with working dodgy ones and 2 channels With New MOSFET’s. Increased the Lab PSU to 24V @ 10A as I tested one of the old “good” channels, moved to one of the new ones assuming it would be safe…
This one cost 32.- USD and is JK42BLS02 rated at 4000RPM, 24V and 10.6A in peaks. It also have Hall sensors and are perfect for testing my controller MC4X15A. This has similar dimensions to a Nema17, but mounting holes are located different. This was purchased for testing with MC4X15A as I needed a BLDC w/Hall…