Freedom Expansion board for MC34931- Brushed DC Motor Driver, H-Bridge, 20 kHz


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Product Details

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Supported Devices

Power Management

BLDC, H-Bridge, Stepper



  • Compatible with NXP’s all Freedom Development Platform
  • Enabling/disabling of outputs

Power Management

  • PWM frequency control up to 20 kHz
  • Monitoring of status flag pin for undervoltage, short circuit and over-temperature events
  • Built in reverse battery protection
  • Built in voltage regulator to supply logic level circuitry
  • Transient voltage suppressor to handle system level transients
  • Duty cycle

Test Points

  • Test points to allow probing of signals


  • Real-time load current monitoring for implementing advanced diagnostics

User Components

  • LEDs to indicate the supply status and direction of motor

General Specifications

  • Motor Run and Stop
  • Direction control

Buy Options

  • FRDM-34931S-EVB

  • Freedom Expansion Board - MC34931, 36 V 5.0 A h-bridge.

  • $124.20 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 20
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor
  • $131.10 USD
  • For a quantity of 1
    • Availability: Pending stock
Buy from NXPBuy From Distributor


Quick reference to our documentation types.

2 documents

Design Resources

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Design Files

1 design file

  • Printed Circuit Boards and Schematics

    FRDM-34931S-EVB - Printed Circuit Board bill of materials and design files


3 software files

Note: For better experience, software downloads are recommended on desktop.


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