Wireless speaker

Products and reference designs

Wireless speaker

Block diagram

Overview

Our integrated circuits and reference designs help you create an innovative, differentiated wireless speaker design with longer battery playtime, excellent audio quality, connectivity and low power consumption.

Design requirements

Modern smart wireless speaker designs often require:

  • Premium audio output.
  • Maximum battery efficiency for long battery playtime.
  • Highly-efficient and low standby power management.

Block diagram

Find products and reference designs for your system.

Bluetooth speaker

Isolated AC/DC Power Supply Isolated AC/DC Power Supply AC/DC Controller AC/DC Controller PFC Controller PFC Controller Synchronous Rectifier Synchronous Rectifier Input Power Protection Input Power Protection USB Type C Power MUX and Protection USB Type C Power MUX and Protection Current Sense Current Sense E-Fuse E-Fuse Energy Storage Energy Storage Battery Charger Battery Charger Battery Gauge Battery Gauge Non-Isolated DC/DC Power Supply Non-Isolated DC/DC Power Supply Boost Converter Boost Converter Buck Converter Buck Converter LDO LDO Load Switch Load Switch PMIC PMIC Voltage Supervisor Voltage Supervisor Memory Memory RAM RAM Flash Flash Wireless Interface Wireless Interface Bluetooth Bluetooth LED Indicator LED Indicator LED Drivers LED Drivers Input User Interface Input User Interface Capacitive Touch MCU Capacitive Touch MCU Push Button Control Push Button Control Digital Processing Digital Processing Processor Processor Audio Output Audio Output DAC DAC Class D Amplifier Class D Amplifier Logic & Control Logic & Control Logic Gates Logic Gates Level Shifter Level Shifter Buffer Buffer MUX and Switches MUX and Switches Self-Diagnostics/Monitoring Self-Diagnostics/Monitoring Temperature Sensor Temperature Sensor Audio Calibration Front End Audio Calibration Front End ADC ADC

Technical documentation

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Type Title Date
Application note TPA3136D2 Design Considerations for EMC (Rev. A) 30 Jul 2018
Application note TAS5825M Process Flows (Rev. A) 29 Aug 2018
Application note WiLink 8.0TM WLAN IP Mesh Application Report 25 May 2016
Technical article With capacitive touch, liquid is no longer kryptonite to keypads PDF | HTML 25 Aug 2023
Technical article Don’t limit your audio: how to achieve loud sound from a small speaker PDF | HTML 22 Jul 2023
White paper Simplify smart speaker human machine interface with capacitive-touch technology 21 Feb 2018
Technical article What are the building blocks of Bluetooth speakers? PDF | HTML 20 Jul 2023
Application note Dynamic Performance Testing of Digital Audio D/A Converters 18 Oct 2000
White paper Streaming Audio: Follow the signal chain white paper 18 May 2016
Technical article Inductor-free innovation: low EMI Class-D audio PDF | HTML 12 Jun 2023
Application note The bq27426 Performace Under Dynamic Battery Voltage for Portable Audio Applicat 09 Oct 2017
More literature High-Power Audio Amplifiers TPA322x/4x/5x 08 Jan 2018
Application note Push-Button Circuit (Rev. B) 01 Nov 2017
White paper Wi-Fi® mesh networks: Discover new wireless paths 01 Jun 2016

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