Texas Instruments TPA3007D1EVM

Overview

TPA3007D1EVM from Texas Instruments is an evaluation module for the TPA3007D1 6.5-W Class-D mono audio power amplifier IC, designed for rapid prototyping and performance validation of audio output stages. It operates from 8 V to 18 V, delivers 6.5 W into 8 Ω at 10% THD+N, supports selectable gain (12–36 dB), and integrates shutdown control and plug-and-play compatibility with TI's audio evaluation platform.

For engineers reviewing the TPA3007D1EVM datasheet, TPA3007D1EVM pinout, TPA3007D1EVM application, or TPA3007D1EVM equivalent, this module enables fast functional verification of Class-D amplifier behavior-including thermal response, gain configuration, load drive capability, and system-level integration with analog audio sources and speaker loads-without custom PCB development.

Technical Context

The TPA3007D1EVM implements a fully assembled, ready-to-power evaluation board centered on the TPA3007D1PW TSSOP-24 IC. It includes input coupling capacitors, bootstrap network components, ferrite-bead filtered power paths, and dual jumper-selectable gain resistors (GAIN0/GAIN1) that configure amplifier voltage gain across four discrete settings (12 dB, 18 dB, 23.6 dB, 36 dB).

Designed for both platform-based and stand-alone use, the EVM features single-in-line header pins for direct plugging into TI's Plug-N-Play audio platform (supporting dual-module operation), or direct wiring via IN+/IN−, OUT+/OUT−, VCC, GND, and SHUTDOWN terminals. Its layout incorporates thermal-aware component placement and 120-kΩ pull-up on SHUTDOWN for active-low control.

Key Specifications

Availability

TPA3007D1EVM is available at Aetrix Electronics and suitable for audio subsystem validation, Class-D amplifier characterization, and TI ecosystem interoperability testing requiring stable component supply, traceable sourcing, and documented reference design support.

Supply support for TPA3007D1EVM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in analog, embedded processing, and digital signal technologies for industrial, automotive, and consumer applications.

The TPA3007D1EVM belongs to TI's Audio Power Amplifiers product line, engineered to accelerate evaluation and adoption of Class-D amplifier ICs in portable, battery-powered, and space-constrained audio systems.

FAQ

What is the TPA3007D1EVM used for?

The TPA3007D1EVM is an evaluation module built around the TPA3007D1 Class-D audio amplifier IC. It enables engineers to validate amplifier performance-including output power, THD+N, gain response, and thermal behavior-in real-world audio signal chains. The TPA3007D1EVM supports both TI's Plug-N-Play platform and stand-alone wiring, making it ideal for rapid prototyping before committing to custom PCB design.

Can the TPA3007D1EVM be used without the TI Plug-N-Play platform?

Yes, the TPA3007D1EVM supports stand-alone operation. It provides accessible header pins for VCC, GND, IN+, IN−, OUT+, OUT−, and SHUTDOWN. Users can directly wire audio sources, speakers, and power supplies per Section 2.4 of the SLOU164 User's Guide. The TPA3007D1EVM's compact size and clear pin labeling simplify integration into existing test setups or custom host systems.

What are the supported gain settings on the TPA3007D1EVM?

The TPA3007D1EVM offers four fixed gain options-12 dB, 18 dB, 23.6 dB, and 36 dB-selected using two onboard jumpers: GAIN0 and GAIN1. Each combination corresponds to a specific resistor network that sets the feedback ratio of the TPA3007D1 amplifier core. These settings are documented in Tables 2−4 and 2−5 of the TPA3007D1EVM User's Guide (SLOU164), and no external components need modification to change gain.

What is the minimum load impedance the TPA3007D1EVM can safely drive?

The TPA3007D1EVM is rated for a minimum load impedance of 7 Ω, as specified in Section 1.2 of the SLOU164 User's Guide. Driving lower-impedance loads may cause excessive current draw, thermal stress, or activation of internal protection circuits. For reliable operation, connect only 8 Ω or higher nominal speakers or headphones, and verify load stability under full-power conditions before system deployment.

Does the TPA3007D1EVM include thermal protection or fault reporting?

The TPA3007D1EVM itself does not add thermal sensors or fault-reporting circuitry beyond what is integrated into the underlying TPA3007D1PW IC. That device includes internal thermal shutdown and overcurrent protection, but the EVM provides no visible indicator or diagnostic output for these events. Users must monitor case temperature manually and observe EVM Warnings regarding hot components (>65°C) during operation, as noted in the SLOU164 documentation.