Automotive, 28-W, 4-ch, 6- to 24-V analog SE in Class-D audio amplifier w/ I2C diag, load dump, PBTL


Product details


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Package | Pins | Size

HTQFP (PHD) 64 196 mm² 14 x 14 open-in-new Find other Speaker amps


  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature: –55°C to 125°C Ambient
    • Device HBM Classification Level: ±2500 V
    • Device CDM Classification Level: ±500 V
  • TAS5414C-Q1 – Single-Ended Input
  • TAS5424C-Q1 – Differential Input
  • Four-Channel Digital Power Amplifier
  • Four Analog Inputs, Four BTL Power Outputs
  • Typical Output Power at 10% THD+N
    • 28 W/Ch Into 4 Ω at 14.4 V
    • 50 W/Ch Into 2 Ω at 14.4 V
    • 79 W/Ch Into 4 Ω at 24 V
    • 150 W/Ch Into 2 Ω at 24 V (PBTL)
  • Channels Can Be Paralleled (PBTL) for High-Current Applications
  • THD+N < 0.02%, 1 kHz, 1 W Into 4 Ω
  • Patented Pop- and Click-Reduction Technology
    • Soft Muting With Gain Ramp Control
    • Common-Mode Ramping
  • Patented AM Interference Avoidance
  • Patented Cycle-by-Cycle Current Limit
  • 75-dB PSRR
  • Four-Address I2C Serial Interface for Device Configuration and Control
  • Channel Gains: 12-dB, 20-dB, 26-dB, 32-dB
  • Load Diagnostic Functions:
    • Output Open and Shorted Load
    • Output-to-Power and -to-Ground Shorts
    • Patented Tweeter Detection
  • Protection and Monitoring Functions:
    • Short-Circuit Protection
    • Load-Dump Protection to 50 V
    • Fortuitous Open-Ground and -Power Tolerant
    • Patented Output DC Level Detection While Music Playing
    • Overtemperature Protection
    • Over- and Undervoltage Conditions
    • Clip Detection
  • 44-Pin PSOP3 (DKE) Power SOP Package With Heat Slug Up for TAS5424C-Q1
  • 64-Pin QFP (PHD) Power Package With Heat Slug Up for TAS5414C-Q1
  • Designed for Automotive EMC Requirements
  • ISO9000:2002 TS16949 Certified
  • –40°C to 105°C Ambient Temperature Range
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The TAS5414C-Q1 and TAS5424C-Q1 are four-channel digital audio amplifiers designed for use in automotive head units and external amplifier modules. They provide four channels at 23 W continuously into 4 Ω at less than 1% THD+N from a 14.4-V supply. Each channel can also deliver 38 W into 2 Ω at 1% THD+N. The TAS5414C-Q1 uses single-ended analog inputs, whereas the TAS5424C-Q1 employs differential inputs for increased immunity to common-mode system noise. The digital PWM topology of the device provides dramatic improvements in efficiency over traditional linear amplifier solutions. This reduces the power dissipated by the amplifier by a factor of ten under typical music playback conditions. The device incorporates all the functionality needed to perform in the demanding OEM applications area. The devices have built-in load diagnostic functions for detecting and diagnosing misconnected outputs to help to reduce test time during the manufacturing process.

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Next Generation 27-W, 2-MHz Digital Input 4-Ch Automotive Class-D Audio Amplifier: TAS6424L-Q1

Next Generation 75-W, 2-MHz Digital Input 4-Ch Automotive Class-D Audio Amplifier:  TAS6424-Q1

Next Generation 75-W, 2-MHz Digital Input 2-Ch Automotive Class-D Audio Amplifier: TAS6422-Q1

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Same functionality with different pin-out to the compared device.
TAS5424C-Q1 ACTIVE Automotive, 28-W, 4-ch, 6- to 24-V analog input Class-D audio amplifier w/ I2C diag, load dump, PBTL TAS5414C-Q1 comes in 64 pin PHD package, while TAS5424C-Q1 comes in smaller 44 pin DKE package

Technical documentation

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Type Title Date
* Data sheet TAS54x4C-Q1 Four-Channel Automotive Digital Amplifiers datasheet (Rev. F) Oct. 24, 2017
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug. 26, 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun. 27, 2019
White paper Overview of system-level protection in class-D audio amplifiers Dec. 06, 2017
Design guide TAS54x4C Design Guide Jun. 18, 2014
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 01, 2013
User guide TAS5414C EVM User Guide Jan. 18, 2013

Design & development

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Hardware development

document-generic User guide

Evaluation Module for the TAS5414C-Q1, 4 channel, Class D automotive audio amplifier in the PHD package. This evaluation module provides a platform to test the capabilities of the amplifier including EMC testing.

  • Four channels Class D audio amplifier which delivers:
    • 28 Watts per channel into 4 ohms
    • and 50W into 2 ohms in car battery voltage
  • Full speaker diagnostics I2C control through an USB interface
  • Graphical User Interface includes Indicators for:
    • Power
    • Fault
    • Mute
    • Standby
    • Clip/Over-Temp-Warning

Software development

SLOC287.ZIP (411 KB)

Design tools & simulation

SLOM356.ZIP (24 KB) - IBIS Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SLOR118.ZIP (2757 KB)

CAD/CAE symbols

Package Pins Download
HTQFP (PHD) 64 View options

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