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TAS6424E-Q1 ACTIVE Automotive, 75-W, 2-MHz, quad-channel, 4.5- to 26.4-V digital input Class-D audio amplifier Replacement

Product details

Audio input type Analog Input Architecture Class-D Speaker channels (max) 4 Rating Automotive Power stage supply (max) (V) 24 Power stage supply (min) (V) 6 Load (min) (Ω) 2 Output power (W) 45 THD + N at 1 kHz (%) 0.02 Iq (typ) (mA) 60 Control interface I2C Closed/open loop Closed Analog supply (min) (V) 6 Analog supply voltage (max) (V) 24 PSRR (dB) 70 Operating temperature range (°C) -40 to 105
Audio input type Analog Input Architecture Class-D Speaker channels (max) 4 Rating Automotive Power stage supply (max) (V) 24 Power stage supply (min) (V) 6 Load (min) (Ω) 2 Output power (W) 45 THD + N at 1 kHz (%) 0.02 Iq (typ) (mA) 60 Control interface I2C Closed/open loop Closed Analog supply (min) (V) 6 Analog supply voltage (max) (V) 24 PSRR (dB) 70 Operating temperature range (°C) -40 to 105
HSSOP (DKE) 44 225.78 mm² 15.9 x 14.2
  • TAS5414-Q1 – Single-Ended Input
  • TAS5424-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
    • Over-temperature Protection
    • Over- and Undervoltage Conditions
    • Clip Detection
  • 36-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up
    for the TAS5414-Q1
  • 44-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up
    for the TAS5424-Q1
  • 44-Pin PSOP3 (DKE) Low-Standoff Power SOP Package With
    Heat Slug Up for the TAS5424-Q1
  • 64-Pin QFP (PHD) Power Package With Heat Slug Up for TAS5414-Q1
  • Designed for Automotive EMC Requirements
  • Qualified According to AEC-Q100
  • ISO9000:2002 TS16949 Certified
  • –40°C to 105°C Ambient Temperature Range
  • APPLICATIONS
    • OEM/Retail Head Units and Amplifier Modules Where Feature Densities
      and System Configurations Require Reduction in Heat From the Audio Power
      Amplifier

  • TAS5414-Q1 – Single-Ended Input
  • TAS5424-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
    • Over-temperature Protection
    • Over- and Undervoltage Conditions
    • Clip Detection
  • 36-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up
    for the TAS5414-Q1
  • 44-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up
    for the TAS5424-Q1
  • 44-Pin PSOP3 (DKE) Low-Standoff Power SOP Package With
    Heat Slug Up for the TAS5424-Q1
  • 64-Pin QFP (PHD) Power Package With Heat Slug Up for TAS5414-Q1
  • Designed for Automotive EMC Requirements
  • Qualified According to AEC-Q100
  • ISO9000:2002 TS16949 Certified
  • –40°C to 105°C Ambient Temperature Range
  • APPLICATIONS
    • OEM/Retail Head Units and Amplifier Modules Where Feature Densities
      and System Configurations Require Reduction in Heat From the Audio Power
      Amplifier

The TAS5414-Q1 and TAS5424-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 TAS5414-Q1 uses single-ended analog inputs, while the TAS5424-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. They have built-in load diagnostic functions for detecting and diagnosing misconnected outputs to help to reduce test time during the manufacturing process.

The TAS5414-Q1 and TAS5424-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 TAS5414-Q1 uses single-ended analog inputs, while the TAS5424-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. They 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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Technical documentation

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Type Title Date
* Data sheet TAS5414B-Q1, TAS5424B-Q1 Four-Channel Automotive Digital Amplifiers datasheet 28 Dec 2011
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26 Aug 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 27 Jun 2019
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 01 May 2013
User guide TAS5414B and TAS5424B Evaluation Module 21 Dec 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TAS5424BQ1DKDEVM — TAS5424B-Q1 DKD Evaluation Module

Four channel automotive Class D amplifier Evaluation Module, utilizing the TAS5424B-Q1
User guide: PDF
Not available on TI.com
GUI for evaluation module (EVM)

SLOC286 TAS54x4B EVM GUI

Supported products & hardware

Supported products & hardware

Products
Speaker amps
TAS5414B-Q1 Automotive, 28-W, 4-ch, 6- to 24-V analog SE input Class-D audio amplifier w/ I2C diag & load dump TAS5424B-Q1 Automotive, 28-W, 4-ch, 6- to 24-V analog input Class-D audio amplifier w/ I2C diag, load dump
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HSSOP (DKE) 44 View options

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