Class D Audio Amplifier Reference Design

CLASS-D-AUDIO-AMPLIFIER

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The 1000 W class-D audio amplifier reference design provides an example for an audio amplifier along with a push-pull power converter. It operates using the KV1x Tower® series platform or k64 Freedom board.

Block Diagram

ClassD Audio Amplifier

Class D Audio Amplifier Block Diagram
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Supported Devices

Processors and Microcontrollers

KV Series Arm Cortex-M4/M0+/M7

  • KV1x: Kinetis® KV1x-75 MHz,  Entry-Level 3ph FOC / Sensorless Motor Control MCUs based on Arm® Cortex®-M0+

K6x Ethernet

  • K64_120: Kinetis® K64-120 MHz, 256 KB SRAM Microcontrollers (MCUs) Based on Arm® Cortex®-M4 Core

Features

General

  • FlexTimer controls the gate drivers for power MOSFETs adding extra protections, such as deadtime insertion, fault control, initialization, and polarity control
  • Low CPU load, leaving processor available for application enhancement

Buy Options

FRDM-K64F-Image

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  • FRDM-K64F
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  • Freedom Development Board for Kinetis K24 (1 MB Flash), K63 and K64 MCUs.

    • Kit Contains:

  • Kit Contains:

    • FRDM-K64F hardware
    • Quick Reference card
    • Additional hardware required: USB A-to-MicroB cable (not included)
  • $52.35 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: >100
    • Shipping: Normally ships 1-2 business days
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TWR-KV10Z32-Image

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  • TWR-KV10Z32
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  • Tower System Development Board for Kinetis KV10 (75 MHz, 16-32 KB Flash) MCUs.

    • Kit Contains:

  • Kit Contains:

    • TWR-KV10Z32 Tower System module
    • USB cable
    • Quick start guide document
    Order from distributors

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