SLOS955 December 2016 TAS5414C

PRODUCTION DATA. 

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1Absolute Maximum Ratings
    2. 6.2ESD Ratings
    3. 6.3Recommended Operating Conditions
    4. 6.4Thermal Information
    5. 6.5Electrical Characteristics
    6. 6.6Timing Requirements for I2C Interface Signals
    7. 6.7Typical Characteristics
  7. Detailed Description
    1. 7.1Overview
    2. 7.2Functional Block Diagram
    3. 7.3Feature Descption
      1. 7.3.1 Preamplifier
      2. 7.3.2 Pulse-Width Modulator (PWM)
      3. 7.3.3 Gate Drive
      4. 7.3.4 Power FETs
      5. 7.3.5 Load Diagnostics
      6. 7.3.6 Protection and Monitoring
      7. 7.3.7 I2C Serial Communication Bus
      8. 7.3.8 I2C Bus Protocol
      9. 7.3.9 Hardware Control Pins
      10. 7.3.10AM Radio Avoidance
    4. 7.4Device Functional Modes
      1. 7.4.1Audio Shutdown and Restart Sequence
      2. 7.4.2Latched-Fault Shutdown and Restart Sequence Control
    5. 7.5Programming
      1. 7.5.1Random Write
      2. 7.5.2Sequential Write
      3. 7.5.3Random Read
      4. 7.5.4Sequential Read
    6. 7.6Register Maps
      1. 7.6.1 Register Summary
      2. 7.6.2 Registers
        1. 7.6.2.1Fault Register 1 (0x00) Protection
      3. 7.6.3 Fault Register 2 (0x01) Protection
      4. 7.6.4 Diagnostic Register 1 (0x02) Load Diagnostics
      5. 7.6.5 Diagnostic Register 2 (0x03) Load Diagnostics
      6. 7.6.6 External Status Register 1 (0x04) Fault Detection
      7. 7.6.7 External Status Register 2 (0x05) Output State of Individual Channels
      8. 7.6.8 External Status Register 3 (0x06) Play and Mute Modes
      9. 7.6.9 External Status Register 4 (0x07) Load Diagnostics
      10. 7.6.10External Control Register 1 (0x08) Gain Select
      11. 7.6.11External Control Register 2 (0x09) Overcurrent Control
      12. 7.6.12External Control Register 3 (0x0A) Switching Frequency Select and Clip_OTW Configuration
      13. 7.6.13External Control Register 4 (0x0B) Load Diagnostics and Master/Slave Control
      14. 7.6.14External Control Register 5 (0x0C) Output Control
      15. 7.6.15External Control Register 6 (0x0D) Output Control
      16. 7.6.16External Control Register 7 (0x10) Miscellaneous Selection
      17. 7.6.17External Status Register 5 (0x13) Overtemperature and Thermal Foldback Status
  8. Application and Implementation
    1. 8.1Application Information
    2. 8.2Typical Application
      1. 8.2.1Design Requirements
      2. 8.2.2Detailed Design Procedure
        1. 8.2.2.1Hardware and Software Design
        2. 8.2.2.2Parallel Operation (PBTL)
        3. 8.2.2.3Input Filter Design
        4. 8.2.2.4Amplifier Output Filtering
        5. 8.2.2.5Line Driver Applications
      3. 8.2.3Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1Layout Guidelines
    2. 10.2Layout Example
    3. 10.3Thermal Consideration
    4. 10.4Electrical Connection of Heat Slug and Heat Sink
    5. 10.5EMI Considerations
  11. 11Device and Documentation Support
    1. 11.1Device Support
      1. 11.1.1Development Support
      2. 11.1.2Device Nomenclature
    2. 11.2Documentation Support
      1. 11.2.1Related Documentation
    3. 11.3Community Resources
    4. 11.4Trademarks
    5. 11.5Electrostatic Discharge Caution
    6. 11.6Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Orderable Information

Features

  • Four-Channel Single-Ended Analog Input Class-D Audio Amplifier
  • 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
  • 64-Pin QFP (PHD) Power Package With Heat Slug Up
  • –20°C to 105°C Ambient Temperature Range

Applications

  • Aftermarket Headunit
  • Aftermarket External Audio Amplifier

Description

The TAS5414C is a four-channel Class-D audio amplifier designed for use in automotive head units and external amplifier modules. It provides 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 uses single-ended analog inputs. The class-D 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 has a built-in load diagnostic functions for detecting and diagnosing misconnected outputs to help to reduce test time during the manufacturing process.

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)
TAS5414CHTQFP (64)14.00 mm × 14.00 mm
  1. For all available packages, see the orderable addendum at the end of the datasheet.

Efficiency vs Power Per Channel

TAS5414C G007_LOS514.gif

Revision History

DATEREVISIONNOTES
December 2016*Initial release.