Universal Motor Driver P2 Add-on Board

Universal Motor Driver P2 Add-on Board Overview:

The Universal Motor Driver P2 Add-on Board was designed as an accessory for the Parallax Propeller 2 eight-core microcontroller. It is compatible with standard P2 dual-port accessory headers found on the P2 Edge Module Breadboard (#64020), and P2 Edge Mini Breakout Board (#64019).

This 4-phase motor driver add-on supports experimentation and development with many motor types, including brushed and brushless motors. For example, it could support a single brushless 3-phase BDLC motor, a 4-phase stepper motor, or two standard brushed (2-wire) DC motors. 

For example, it could support a single brushless 3-phase Hub Brushless DC (BDLC) motor, a 4-phase stepper motor, two brushed bi-directional DC motors or four brushed uni-directional DC motors. With a 3-phase motor, both sinusoidal 180° and classic 120° drive techniques are supported.

The open design and standard 0.1” connectors allow the Universal Motor Driver P2 Add-on Board to be used with other microcontrollers as well.

Features:

• Universal 4-phase motor driver using four UCC27211D MOSFET drivers
• Phases can be controlled individually or in groups to support many motor types including single or 3-phase motors, single/dual DC motors or 4-phase stepper motors
• Sinusoidal 180° or classic 120° drive topology
• Each phase allows individual control of High and Low sides
• High and Low sides protected against simultaneous activation
• On-board Hall effect sensor connector for motor control feedback
• Common current feedback signal for motor control and over-current protection
• Independent voltage feedback signals for each phase, for motor control and over-voltage protection
• Under-voltage protection built into the MOSFET drivers
• High-current spring terminal connectors for quick and robust connections to high-current motors
• Two grounded 0.125 inch (3.2 mm) mounting holes
• PCBs assembled, tested, and completed in Rocklin, California

Universal Motor Driver P2 Add-on Board Specifications:

• Input voltage range: 6–40 VDC
• Maximum continuous supply current: 20A
• Maximum surge motor current: 60A
• P2 board connector: dual 2x6 pass-thru headers with 0.1" spacing
• Power and motor cable connection method: Push-in spring connection, nominal 2.5 mm²
• Communication Interface: 3.3V TTL, PWM
• VIN and Output Channel Spring Terminal Blocks: 32 A 400 V rated
  • Conductor cross section solid : 0.2 mm² – 4 mm²
  • Conductor cross section AWG : 24–12
  • Stripping length : 10 mm
• Operating temperature range: -40 to +185 °F (-40 to +85 °C)
• PCB dimensions: 2.75 x 2.75 in (70 x 70 mm)

• Resource Links

  • Propeller Live Forum: Brushless Motor Control with Stephen and Ken – August 16th 2023