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TPA3131D2RHBR
  • TPA3131D2RHBR

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TPA3131D2RHBR Overview

The TPA313xD2 are efficient, stereo digital amplifier power stages for driving speakers with up to 2×42W/4Ω peak power. TPA3131/32D2 operates heatsink-free with cooling to PCB through the bottom side PowerPAD with sustained output power from 2 × 4 W / 8 Ω (TPA3131D2) to 2 × 25 W / 8 Ω (TPA3132D2).

The TPA313xD2 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences; this is achieved together with an option of Master and Slave synchronization, making it possible to synchronize multiple devices.

The TPA313xD2 are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection. Faults are reported back to the processor to prevent devices from being damaged during overload conditions.

For feature compatible devices see: PowerPAD up device 2 × 50-W TPA3116D2, PowerPAD down 2 × 15-W TPA3130D2 and 2 × 30-W TPA3118D2.

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Features

  • Supports Multiple Output Configurations
    • 2 × 4 W into a 8-Ω BTL Load at 7.4 V (TPA3131D2)
    • 2 × 25 W into a 8-Ω BTL Load at 19 V (TPA3132D2)
  • Wide Voltage Range: 4.5 V to 26 V
  • Automotive Load-Dump Compliant
  • Efficient Class-D Operation
    • >90% Power Efficiency Combined With Low Idle Loss
      for Heat Sink free Operation
    • Advanced Modulation Schemes
  • Multiple Switching Frequencies
    • AM Avoidance
    • Master and Slave Synchronization
    • Up to 1.2-MHz Switching Frequency
  • Feedback Power Stage Architecture With High PSRR Reduces
    PSU Requirements
  • Programmable Power Limit
  • Differential and Single-Ended Inputs
  • Stereo and Mono Mode With Single-Filter Mono Configuration
  • Single Power Supply Reduces Component Count
  • Integrated Self-Protection Circuits Including Overvoltage, Undervoltage,
    Overtemperature, DC-Detect, and Short Circuit With Error Reporting
  • Thermally Enhanced Package
    • 32-Pin VQFN Pad-Down
  • –40°C to 85°C Ambient Temperature Range
TPA3131D2RHBR
TPA3131D2RHBR

Product Parameters

  • genericPartNumber

    TPA3131D2

  • partDescription

    4-W stereo, 8-W mono, 4.5- to 26-V supply, analog input Class-D audio amplifier w/ filter free

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    3000|LARGE T&R

  • orderablePartNumber

    TPA3131D2RHBR

  • statusDisplay

    ACTIVE

  • packageQuantity

    3000

  • packagePins

    VQFN (RHB)|32

Technical Documents

  • Layout Guidelines For TPA300x Series Parts (Rev. A)Details>>

  • Guidelines for Measuring Audio Power Amplifier Performance (Rev. A)Details>>

  • AN-1849 An Audio Amplifier Power Supply Design (Rev. C)Details>>

  • AN-1737 Managing EMI in Class D Audio Applications (Rev. A)Details>>

Other distributor's price

Distributor Part # Mfg. Description Price
arrow TPA3131D2RHBR Texas Instruments Audio Amp Speaker 2-CH Stereo 7.3W Class-D Automotive 32-Pin VQFN EP T/R

3000---$0.9396

digikey TPA3131D2RHBR Texas Instruments IC AMP CLASS D STER 7.3W 32VQFN

3000---$1.1745

mouser TPA3131D2RHBR Texas Instruments Audio Amplifiers 7W Filter-Free Class-D Stereo Amp

1---$2.9300

10---$2.6400

25---$2.4900

100---$2.1200

250---$1.9900

500---$1.7400

1000---$1.4400