Texas Instruments TAS5132DDV2EVM

Overview

TAS5132DDV2EVM from Texas Instruments is a two-channel PurePath Digital™ evaluation module comprising a dedicated amplifier module for the TAS5132 digital power stage, supporting 8-Ω loudspeaker loads up to 20 W per channel at 10% THD+N, with SPDIF optical/coaxial digital audio input, USB-based GUI control interface, and modular ribbon-cable connection to the HPL-MC012 modulator/controller board.

For engineers reviewing the TAS5132DDV2EVM datasheet, TAS5132DDV2EVM pinout, TAS5132DDV2EVM application, or TAS5132DDV2EVM equivalent, this EVM enables rapid validation of high-efficiency Class-D audio power output stages in consumer audio, active speaker systems, and embedded digital amplifier designs requiring self-protecting operation, thermal fault reporting, and PWM-driven output stage integration.

Technical Context

The TAS5132DDV2EVM implements a complete digital audio amplifier reference system using the TAS5086DBT pulse-width modulator and TAS5132DDV power stage ICs. It accepts 32–192 kHz S/PDIF input, performs digital volume control and bass management via GUI, and delivers PWM signals (PWMX1–PWMX6) to drive the amplifier module's four isolated N-channel DMOS transistors.

Protection is implemented through integrated short-circuit detection, overtemperature warning (OTW), and shutdown (SD) outputs wired-OR'd to the docking connector; the system operates in back-end auto-recovery mode with open-drain fault-reporting outputs and LED indicators for real-time status monitoring.

Key Specifications

Availability

TAS5132DDV2EVM is available at Aetrix Electronics and suitable for active speaker development, digital audio subsystem validation, and PurePath Digital™ architecture prototyping requiring stable component supply, traceable sourcing, and long-term evaluation platform continuity.

Supply support for TAS5132DDV2EVM 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, delivering analog and embedded processing solutions across automotive, industrial, personal electronics, and communications markets.

The TAS5132DDV2EVM belongs to TI's PurePath Digital™ audio evaluation platform family, designed specifically to accelerate development of high-fidelity, energy-efficient digital Class-D amplifiers using integrated PWM modulation and protected power output stages.

FAQ

What is the primary function of the TAS5132DDV2EVM?

The TAS5132DDV2EVM is an evaluation module that implements a complete two-channel digital audio amplifier system using the TAS5086 modulator and TAS5132 power stage. Its primary function is to enable hardware validation of PurePath Digital™ architecture - including SPDIF input handling, GUI-controlled DAP features, and PWM-driven Class-D output - without requiring custom PCB design. The TAS5132DDV2EVM serves as a reference for integrating TI's digital amplifier solution into end products.

How does the TAS5132DDV2EVM connect to the HPL-MC012 controller board?

The TAS5132DDV2EVM connects to the HPL-MC012 modulator/controller board via a 28-pin unkeyed ribbon cable mating to J9/J10 connectors on both boards. This interface carries PWM signals (PWMX1–PWMX6), fault reporting (OTW, SD), reset (AMP_RESET), and ground/power (DGND, PVDD2). The ribbon cable must be kept as short as possible to preserve PWM signal integrity and prevent degradation at high output levels and low frequencies.

What protection features are implemented on the TAS5132DDV2EVM?

The TAS5132DDV2EVM implements short-circuit protection and thermal fault reporting inherited from the TAS5132DDV IC. It provides OTW (overtemperature warning) and SD (shutdown) open-drain outputs wired-OR'd to pins 7 and 8 of the J9/J10 docking connector. These signals drive onboard LEDs and can be monitored externally. The system operates in back-end auto-recovery mode, automatically restarting after faults while asserting the SD signal during error conditions.

Which digital audio formats and sample rates does the TAS5132DDV2EVM support?

The TAS5132DDV2EVM supports S/PDIF digital audio input via optical (TOSLINK) or coaxial (RCA) connectors, accepting sample rates from 32 kHz to 192 kHz. Internally, the TAS5086DBT modulator processes 24-bit input data using Equibit™ technology and a fully symmetrical AD modulation scheme. The module does not process analog inputs or USB-streamed audio - USB is used exclusively for GUI control and register configuration.

Can the TAS5132DDV2EVM operate with a single power supply?

Yes, the TAS5132DDV2EVM is designed for single-supply operation. A single 12–19 V DC source supplies the output stage (PVDD) via J7/J8 banana terminals. The logic and gate-drive circuitry derive power from this same rail through internal regulation and buffering (e.g., PVDD2 supplied via 24-Ω resistor). An optional external 12–15 V supply may be applied to J11 for GVDD when measuring idle current, but JP1 must be removed for that configuration.