QCC3020 - Low-cost Earbud Reference Design
QCC3020 - Low-cost Earbud Reference Design
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QCC3020

Low-cost Occluded Earbud Reference Design for truly wireless earbuds

The process of developing low-power, compact and feature-rich affordable truly wireless earbuds can be complex and challenging for manufacturers trying to achieve a balance between cost and functionality.

The Qualcomm® QCC3020 - Low-cost, Occluded Earbud Reference Design with Qualcomm TrueWireless™ Stereo is designed specifically to help reduce development time and provide a proof of concept low-cost design for manufacturers.

Qualcomm QCC3020 and Qualcomm TrueWireless Stereo are products of Qualcomm Technologies, Inc. and/or its subsidiaries.

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Benefits
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Robust connectivity

Qualcomm TrueWireless Stereo support with relay scheme and single Bluetooth Address management helps to provide more robust connectivity and a virtually seamless user experience.

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High quality audio

Qualcomm® aptX™ audio codec support for CD-like music audio quality.

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Crystal clear voice calls

Qualcomm® cVc™ Echo Cancelling and Noise Suppression Technology designed to help suppress background noise and echo feedback for voice calls.

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Extended battery life

Reduced power consumption for extended battery life.

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Comprehensive development solution

Comprehensive Hardware and Software package with no ADK/ Qualcomm® Bluelab™ SDK license required.

Block Diagram

Occluded Earbud Reference Design

Included with the reference design:

  • Welcome guide
  • Earbuds and charging case
  • Ear interface rubbers in sizes small, medium and large

Features

  • Based on QCC3020, which provides the same extremely low-power performance as Qualcomm® QCC5100-series for extended playback time and battery life
  • Software delivered as fixed binary using Qualcomm® ADK 19.3 (with support for single Bluetooth address) and is designed to be programmed via simple command line application
  • 1 mic cVc Echo Cancelling and Noise Suppression Technology designed for superior audio when in a voice call
  • aptX audio playback support for music
  • Support for role swapping when out of charging case
  • Single-chip Bluetooth containing the power management, audio DSP, application processor, Bluetooth RF, GPIO and audio inputs and outputs
  • 1 button control and LED user interface
  • 6mm speakers to handle audio to support comprehensive range frequency response audio play back in a small form factor
  • Ear interface rubbers supplied in small, medium and large sizes
  • Support for Voice Prompts
  • Earbud design based on lowest cost 4-layer board
  • 40mAh battery in earbud
  • 280mAh battery in charger
  • Support for software updates OTA
Specifications

Qualcomm QCC5100, Qualcomm ADK, Qualcomm aptX, Qulacomm cVc and Qualcomm BlueLab are products of Qualcomm Technologies, Inc. and/or its subsidiaries. 

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