SLLA673 March   2025 MCF8315A , MCF8315C , MCF8315D , MCF8316A , MCF8316C-Q1 , MCF8316D

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 MCF8315 Block Diagram and Pin Functions Introduction
  5. 2Fan Application Hardware Architecture
    1. 2.1 Total Discrete Hardware Design
    2. 2.2 MCU+Pre-Driver and External FET Design
    3. 2.3 All in One Design
  6. 3MCF8315 Hardware Design Guide for Fan Application
    1. 3.1 MCF8315 Power Part Design
    2. 3.2 MCF8315 Function Part Design
    3. 3.3 MCF8315 Communication and Output Part Design
    4. 3.4 MCF8315 Schematic Design Reference
    5. 3.5 MCF8315 Simplifies Peripheral Design
    6. 3.6 MCF8315 Thermal Performance Test
      1. 3.6.1 MCF8315 TSSOP Thermal Test With Inductance Version
  7. 4Summary
  8. 5References

3.4 MCF8315 Schematic Design Reference

According to the requirements of system design, see the following reference circuit:

MCF8315 Schematic Design Reference Figure 3-1 MCF8315 Schematic Design Reference
MCF8315 Layout Design Reference Figure 3-2 MCF8315 Layout Design Reference

MCF8315 design 3D layout reference diagram: outer diameter 48mm, inner diameter clearance 26mm. The PCB peripheral design of this design only occupies an area of ​​10mm x 22mmm

MCF8315 Layout Design 3D Picture Figure 3-3 MCF8315 Layout Design 3D Picture

We can see only a small number of peripheral devices are needed to complete the hardware design of a 12 to 24V (40Wmax) sensorless FOC motor drive. Users can bring out the corresponding functional module pins according to project needs.