Texas Instruments TPA3136AD2EVM

Overview

TPA3136AD2EVM from Texas Instruments is a fully assembled, ready-to-use evaluation module designed to demonstrate the TPA3136AD2 10-W stereo Class-D audio power amplifier IC in bridge-tied load (BTL) and parallel BTL (PBTL) configurations. It operates from 8 V to 14.4 V, delivers 10 W per channel into 8 Ω, supports differential or single-ended inputs, and integrates Speakerguard™ protection for speaker safety in audio system prototyping.

For engineers reviewing the TPA3136AD2EVM datasheet, TPA3136AD2EVM pinout, TPA3136AD2EVM application, or TPA3136AD2EVM equivalent, this module enables rapid functional validation of the TPA3136AD2's audio output stage, thermal performance, PLIMIT-based power limiting, fault reporting, and PCB layout practices - all without custom design or firmware development.

Technical Context

The TPA3136AD2EVM implements the TPA3136AD2PWP IC in a PWP0028E (28-pin PowerPAD™ thermally enhanced HTSSOP) package, with dual BTL outputs (OUTL+/−, OUTR+/−), configurable PBTL mode via J13, and user-adjustable PLIMIT threshold using R6. All logic control pins (SD, FAULT, PBTL) are accessible via headers or jumpers for real-time mode switching and fault monitoring.

Power delivery uses a single PVCC rail (8–14.4 V, up to 4 A), which also supplies AVCC and pulls up SD/FAULT lines; input signal routing supports RCA jacks (J4/J9) with selectable single-ended or differential modes via J6/J10, while output connections use banana jacks for flexible speaker load interfacing.

Key Specifications

Availability

TPA3136AD2EVM is available at Aetrix Electronics and suitable for audio system prototyping, Class-D amplifier reference design validation, and speaker protection algorithm testing requiring stable component supply and TI-validated hardware.

Supply support for TPA3136AD2EVM 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 TPA3136AD2EVM belongs to TI's audio evaluation platform family, engineered specifically to accelerate development of high-efficiency, filter-free Class-D amplifiers for compact consumer and professional audio systems with robust thermal and short-circuit protection.

FAQ

What is the TPA3136AD2EVM used for?

The TPA3136AD2EVM is a Texas Instruments evaluation module built around the TPA3136AD2 stereo Class-D audio power amplifier IC. It enables engineers to validate the IC's 10-W BTL/PBTL output performance, Speakerguard™ protection behavior, PLIMIT adjustment, and thermal response in real-world audio applications - without designing custom circuitry or writing driver code. The TPA3136AD2EVM is not intended for end-product integration.

Does the TPA3136AD2EVM include the TPA3136AD2 IC?

Yes, the TPA3136AD2EVM includes one pre-mounted TPA3136AD2PWP IC in a PWP0028E HTSSOP-28 PowerPAD™ package. This is confirmed in the official TI User's Guide SLOU488, Section 2.2 ("On opening the TPA3136AD2EVM package, ensure that the following items are included: • 1 piece TPA3136AD2EVM board using one TPA3136AD2."). The TPA3136AD2EVM provides full access to all IC pins via test points, headers, and jumpers.

Can the TPA3136AD2EVM operate in mono (PBTL) mode?

Yes, the TPA3136AD2EVM supports parallel bridge-tied load (PBTL) mono operation by configuring jumper J13 to OUT and applying a single input to J9 (RIN), as documented in Table 4 ("TPA3136AD2EVM Setting 2") of the TI User's Guide. In PBTL mode, the left and right channels drive a single load in phase, doubling output voltage swing and delivering higher power into low-impedance speakers - a capability verified on the TPA3136AD2EVM hardware.

What power supply requirements does the TPA3136AD2EVM have?

The TPA3136AD2EVM requires a single regulated DC supply of 8 V to 14.4 V delivered via banana jacks J1 (PVCC) and J2 (GND), with a maximum current draw of 4 A. Table 2 in the TI User's Guide specifies these exact values and mandates minimum 24 AWG wiring. Exceeding 14.4 V risks permanent damage - a hard limit enforced by the TPA3136AD2 IC's absolute maximum ratings and reflected in the TPA3136AD2EVM's design.

How is speaker protection implemented on the TPA3136AD2EVM?

Speaker protection on the TPA3136AD2EVM is implemented via the TPA3136AD2 IC's integrated Speakerguard™ system, including adjustable power-limiting (PLIMIT) controlled by potentiometer R6 and auto-recover fault mode enabled by jumper J12 (SD = FAULT). When configured per Table 3 or Table 4, the TPA3136AD2EVM monitors output current and temperature in real time, clamping output power or entering fault state before speaker damage occurs - all without external components.