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TPA2005D1DRBQ1

TITPA2005D1DRBQ1

Texas Instruments
Amplifier IC 1-Channel (Mono) Class D 8-SON (3x3)
Active13,102 in stock

Overview

The TPA2005D1DRBQ1 is an AEC-Q100 qualified, filter-free Class-D audio power amplifier designed for space-constrained automotive applications. It delivers up to 1.45W of mono output into an 8-ohm load from a 5.5V supply while maintaining high efficiency. The device features a fully differential architecture that provides excellent immunity to noise and RF interference.

Why Choose This Part

The filter-free Class-D architecture eliminates the need for bulky LC output filters, reducing both PCB area and BOM cost. Its AEC-Q100 qualification and wide -40C to +85C operating range ensure reliability in harsh automotive environments, while the 250-kHz switching frequency and high PSRR simplify power supply design.

Applications

Automotive Emergency Call (eCall)
Provides reliable audio amplification for vehicle emergency communication systems with minimal external components.
Instrument Cluster Alerts
Drives speakers for audible turn signal clicks, warning chimes, and system status notifications.
Telematics Control Units
Ideal for compact telematics modules requiring low power consumption and high PSRR in noisy automotive environments.
EV Pedestrian Warning Systems
Functions as a compact noise generator driver to meet safety requirements for quiet electric vehicles.

Key Specifications

Type Class D
Features Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
Output Type 1-Channel (Mono)
Mounting Type Surface Mount
Package / Case 8-VDFN Exposed Pad
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-SON (3x3)
Max Output Power x Channels @ Load 1.45W x 1 @ 8Ohm

Getting Started

Engineers can evaluate this part using the TPA2005D1EVM evaluation module to test audio performance and thermal characteristics. When designing the PCB, place the 1uF ceramic bypass capacitor as close as possible to the VDD pin to minimize noise. Ensure the exposed thermal pad of the 8-SON package is soldered to a grounded copper plane for optimal heat dissipation.

TPA2005D1 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
TPA2005D1DRBQ1 (this part) VDFN-8 13,102
TPA2005D1DGNR TSSOP-8 7,007