FEDEVEL
Platform forum

abdelkarim , 04-23-2021, 08:01 AM

Hello ther ,
i'm currently working on a board to drive brushless motors, in this board i will use the MCP8026 of microchip company,to drive MOSTFET with PWM signals. My problem is when i look at the typical application circuit on the datasheet (the attached screen shot) of the MCP8026 capacitors and resistors used in the circuit was without value , so what shoul i do exactelly to fix the correct values???

qdrives , 04-23-2021, 01:50 PM

These values depend on you application, connected FETs, EMC, etc. Is have seen a lot of formula's, but have not checked if all are explained.
You did not provide a screenshot of the exact components in question, so I am not able to tell more.

robertferanec , 04-24-2021, 01:03 AM

It looks like they have some Evaluation boards

For MCP8026:
https://www.digikey.sk/products/en/d.../787?k=MCP8026

with BOM:
http://ww1.microchip.com/downloads/e...R1_BOM_WEB.pdf


For MCP8025, they have this:
https://www.digikey.sk/product-detai...600-ND/5305164

and there is also BOM: http://ww1.microchip.com/downloads/e...600-R1_BOM.pdf