SLLA575 June   2022 DRV10987 , MCF8316A , MCT8316A


  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Design Challenges and Solutions
    1. 2.1 Minimizing Motor Startup Time
      1. 2.1.1 Align
      2. 2.1.2 Initial Position Detect (IPD)
      3. 2.1.3 Slow First Cycle
    2. 2.2 Improving Motor Speed Stability – Tuning Speed PI Controller
      1. 2.2.1 Auto Tuning
      2. 2.2.2 Manual Tuning
    3. 2.3 Improving System Efficiency by Minimizing Power Losses
  5. 3References


The MCF8316A provides a single-chip, code-free sensorless FOC solution for customers driving BLDC motors for applications such as residential fans, ceiling fans, air purifiers, washer pumps, and so forth. With more than 50 parameters to tune, it can feel overwhelming and time consuming for customers to tune their motor and meet all system requirements. This application note provides an in-depth discussion of three of the most common design challenges with the MCF8316A and step-by-step guidance on how to address these challenges.