BLDC

Owned by Kevin Li
Last updated: 2022-05-27
1 min read

  • How do BLDC motors work?

  • How do you control BLDC motors?

  • How do you control a BLDC motor from a microcontroller? What other components do you need?

  • What FETs are typically used to commutate BLDC motors?

  • Why do high-side N-channel FETs require additional circuitry to switch on? What are those circuit topologies called? Describe them briefly

  • What does a gate driver do? What switching parameter does the voltage supply to a gate driver dictate?

  • Create a block diagram for a BLDC motor controller

  • What are some advantages of brushless vs brushed motors?

  • What are the poles of the motor? How can they impact performance?

  • How do you spec a BLDC motor?