Texas Instruments TAS5780MEVM

Overview

TAS5780MEVM from Texas Instruments is an evaluation module designed to demonstrate and develop with the TAS5780M digital-input Class-D closed-loop audio amplifier IC. It supports I²S/TDM input, 96-kHz processing, BTL or PBTL output configurations, and integrates with the PurePath™ Console Motherboard (PPCMB) for full GUI-based tuning, register control, and system integration validation.

For engineers reviewing the TAS5780MEVM datasheet, TAS5780MEVM pinout, TAS5780MEVM application, or TAS5780MEVM equivalent, this EVM enables rapid prototyping of high-fidelity audio systems using TI's PurePath Console 3 (PPC3) software - supporting USB audio, SPDIF (optical/coaxial), PSIA, and analog ADC inputs, plus real-time DRC, DEQ, EQ, AGL, and THD boost tuning.

Technical Context

The TAS5780MEVM is a hardware platform that interfaces directly with the TAS5780M IC - a 96-kHz-capable, digital-input Class-D amplifier featuring closed-loop feedback, dual-band DRC, dynamic equalization (DEQ), and 12-band parametric EQ per channel. It relies on the PPCMB for power regulation (5 V/3.3 V), I²C control, I²S audio transport, and USB host connectivity.

Operation requires PurePath Console 3 (PPC3) software running on Windows 7/8/8.1, which provides six functional pages: System Checks, Direct I²C, Audio I/O, Register Map, End System Integration, and Tuning & Audio Processing - enabling configuration file generation, in-system debugging, and header-file export for production firmware integration.

Key Specifications

Availability

TAS5780MEVM is available at Aetrix Electronics and suitable for audio system development, amplifier characterization, and embedded DSP integration requiring stable component supply, traceable sourcing, and long-term design-in support.

Supply support for TAS5780MEVM 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 TAS5780MEVM belongs to TI's PurePath™ audio evaluation ecosystem and was developed to accelerate adoption of the TAS5780M - a high-performance, digitally programmable Class-D amplifier targeting premium soundbars, AV receivers, and smart speaker platforms with advanced real-time audio processing.

FAQ

What is the TAS5780MEVM used for?

The TAS5780MEVM is an evaluation module for the TAS5780M digital-input Class-D amplifier IC. It enables engineers to evaluate closed-loop audio performance, configure DRC, DEQ, and 12-band EQ via PurePath Console 3, validate system integration, and generate production-ready configuration files. The TAS5780MEVM requires connection to the PurePath Console Motherboard (PPCMB) and Windows-based PPC3 software to operate.

Does the TAS5780MEVM include the TAS5780M IC?

Yes, the TAS5780MEVM board integrates the TAS5780M IC in a DCAR package (49-pin WQFN). The module exposes all critical signals - including I²S, I²C, MCLK, SDIN/SDOUT, PVDD, and speaker outputs - and is designed for direct use with the PurePath Console Motherboard (PPCMB) to provide power, control, and audio routing.

Which software is required to operate the TAS5780MEVM?

PurePath Console 3 (PPC3) software is mandatory for full functionality of the TAS5780MEVM. It must be downloaded from ti.com after registration, installed on a Windows 7/8/8.1 PC, and paired with the TAS5780M EVM App plugin. PPC3 provides access to System Checks, Direct I²C, Audio I/O selection, Register Map, End System Integration tools, and comprehensive Tuning & Audio Processing features.

Can the TAS5780MEVM be used for in-system debugging?

Yes - the TAS5780MEVM supports in-system debugging and tuning when connected to an end-product PCB via test points (SCL, SDA, GND) on the PPCMB. In this mode, only the Register Map and Direct I²C pages remain active in PPC3, allowing engineers to read/write registers, log I²C transactions, and verify device behavior without removing the TAS5780M from its target application.

What audio sources does the TAS5780MEVM support?

The TAS5780MEVM supports multiple audio sources through the PPCMB: USB audio (default), optical SPDIF, coaxial SPDIF, PSIA (external I²S), and analog ADC input. Source selection is managed via the Audio I/O page in PPC3, and sample rate detection (96/88.2/48/44.1 kHz) is automatic; 32 kHz requires manual 3x interpolation activation via script.