Not for new design
QCC5121
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QCC5121

Extremely low power premium tier Bluetooth Audio SoC in a WLCSP package, designed for use in compact, feature rich wire-free earbuds, hearables and headsets.

The Qualcomm® QCC5121 System-on-Chip (SoC) is designed to meet consumer demand for robust, high quality, wireless Bluetooth listening experiences in small devices with low power consumption for longer audio playback.

QCC5121 architecture is engineered for high performance with low power consumption. Power consumption can be reduced by up to 65 percent compared to our previous technology, for both voice calls and music streaming and devices are optimized to support longer audio playback in virtually all operating modes.

The fl...

Qualcomm QCC5121 is a product of Qualcomm Technologies, Inc., and/or its subsidiaries.

Product license agreement
Benefits
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Quad-core processing

Quad-core processing architecture with two application processors and two DSP units, designed for improved parallel processing.

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Ultra-low power

SoC designed to support development of small form factor, richly-featured earbuds that can be used virtually all day, with up to 10 hours of play from a 65mHA battery.

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High quality wireless audio

Qualcomm® aptX™ audio, aptX HD, and aptX Adaptive audio technologies are designed to deliver consistent, high quality audio streaming over Bluetooth.

QCC5121 Block Diagram

Features

  • Extremely low power design
  • Bluetooth 5 radio
  • 2 Mbps Bluetooth low energy (LE) support
  • Ultra-small form factor
  • Powerful quad-core processor architecture
    • Dual core 32-bit processor application subsystem
    • Dual core Qualcomm® Kalimba™ DSP Audio subsystem
  • Embedded ROM + RAM and external Q-SPI Flash
  • High performance low power audio
  • 2-ch 98dBA headset class D
  • 2-ch 99dBA line inputs (single ended)
  • 192kH24-bit I²S & SPDIF interfaces
  • Comprehensively programmable digital ANC
  • Digital assistant ready
  • Flexible software platform with powerful new IDE support
  • aptX, aptX HD, and aptX Adaptive support
  • Support for Qualcomm TrueWireless Stereo and Qualcomm TrueWireless Stereo Plus
  • Integrated battery charger supporting internal mode (up to 200 mA) and external mode (up to 1.8 A)
  • Designed for reduced eBoM through highly integrated SoC design
Specifications
CPU
Architecture
32-bit
Clock Speed
Up to 80 MHz
Features
Programmable CPU
DSP
Name
1x Qualcomm® Kalimba™
Clock Speed
2x 120 MHz
Data RAM
256 kB
Program RAM
80 kB
Features
Programmable DSP
Bluetooth
Specification Version
Bluetooth® 5.0
Connection Technology
Bluetooth® Low Energy, Bluetooth® Classic, Dual-mode Bluetooth®
Topologies
Qualcomm TrueWireless™ Stereo Plus technology, Qualcomm® TrueWireless™ technology, Qualcomm® Broadcast Audio technology
Classic Data Rate
3 Mbps, 1 Mbps, 2 Mbps
Low Energy Features
Bluetooth® Low Energy sensor hub
Audio
Qualcomm® aptX™ audio technology support
Qualcomm® aptX™ Audio, Qualcomm® aptX™ Adaptive, Qualcomm® aptX™ HD
Qualcomm® Active Noise Cancellation (ANC) technology support
Feedback, Feedforward, Hybrid
Qualcomm® cVc™ Echo Cancelling and Noise Suppression (ECNS) technology support
2-mic Headset, Qualcomm® cVc™ Echo Cancelling and Noise Suppression
Voice Services
Digital Assistant Activation
Button press

License Keys: aptX audio technology and Qualcomm Active Noise Cancellation (ANC) technology. Commercial use of aptX requires a software license agreement.
Qualcomm aptX, Qualcomm Active Noise Cancellation, Qualcomm Broadcast Audio, Qualcomm cVc, Qualcomm TrueWireless, and Qualcomm Kalimba are products of Qualcomm Technologies, Inc., and/or its subsidiaries.

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5 of 5 total products

Product

DSP

Clock Speed

Data RAM

Features

Audio

Qualcomm® aptX™ audio technology support

Qualcomm® Active Noise Cancellation (ANC) technology support

Qualcomm® cVc™ Echo Cancelling and Noise Suppression (ECNS) technology support

Package

Type

Size

Pitch

Bluetooth

Specification Version

Classic Data Rate

Low Energy Features

Voice Services

Digital Assistant Activation

Power Consumption

Music Streaming (A2DP)

Phone Call (HFP)

High Tier

QCC5125
Active

1x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward
Hybrid

2-mic Headset
1-mic Headset
1-mic Speaker
2-mic Speaker

BGA

5.5 × 5.5 × 1 mm

0.5 mm

Bluetooth® 5.1

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press

~10 mA

~10 mA

Other

QCC5127
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward

2-mic Headset
1-mic Headset
1-mic Speaker
Qualcomm® cVc™ Echo Cancelling and Noise Suppression
2-mic Speaker

BGA

6.5 × 6.5 × 1 mm

0.5 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press
Qualcomm® Voice Activation

~10 mA

~10 mA

QCC5126
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward

2-mic Headset
1-mic Headset
1-mic Speaker
Qualcomm® cVc™ Echo Cancelling and Noise Suppression
2-mic Speaker

BGA

5.5 × 5.5 × 1 mm

0.5 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press
Qualcomm® Voice Activation

~10 mA

~10 mA

QCC5124
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward
Hybrid

2-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

BGA

5.5 × 5.5 × 1 mm

0.5 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press

~6 mA

~7 mA

QCC5121
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward
Hybrid

2-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

WLCSP

3.98 × 4.02 × 0.5 mm

0.4 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press

~6 mA

~7 mA

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