1 Features

Key features of the Reference Design include:

  • Three-Phase Motor Control Power Stage
  • DC Bus Current Feedback for Overcurrent Protection
  • DC Bus Voltage Feedback for Overvoltage Protection
  • Phase Voltage Feedback to Implement Sensorless Trapezoidal Control
  • ICSP™ Header for Interfacing to a Microchip Programmer/Debugger
  • UART Communication Header
  • CAN interface (CAN transceiver is part of dsPIC33CDVC256MP506)

The Reference Design block diagram is shown below.

Figure 1-1. Block Diagram

The various hardware sections of the Reference Design are illustrated below and summarized in Table 1-1.

Figure 1-2. Hardware Sections - Top
Figure 1-3. Hardware Sections - Bottom
Table 1-1. Hardware Sections
SectionHardware Section
1Three-Phase Motor Control Inverter
2dsPIC33CDVC256MP506 and Related Circuit
3CAN Interface Circuits
4DC Bus and Phase Voltage Sensing Circuits
5Current Sensing Circuits
6UART Communication Interface Header
7ICSP™ Header