TPA3118D2EVM: 30W x2 @ 8Ω, 4.5 ~ 26V, Class D

Summary

This User’s Guide describes the operation of the evaluation module for the TPA3118D2. The manual also provides measurement data and design information including the schematic, the Bill of Materials (BOM), and a printed circuit board (PCB) layout.

The TPA3118D2 evaluation module (EVM) demonstrates the TPA3118D2 integrated circuit from Texas Instruments (TI).

The TPA3118D2 is a 30 W per channel, efficient stereo digital amplifier power stage for driving 2 bridge-tied speakers or a single parallel bridge-tied load (PBTL). The TPA3118D2 can drive a speaker with an impedance as low as 3.2 Ω (8 Ω typical).

The TPA3118D2 is available in a 32-pin TSSOP.

Specifications

Manufacturer	Texas Instruments
Category	Audio Amplifiers
Eval Board Part Number	296-35895-ND
Eval Board Supplier	Texas Instruments
Eval Board	Normally In Stock
Amplifier Type	Class D
Number of Outputs	Stereo
Output Power (RMS) @ Load	30 W x 2 @ 8 Ω
Voltage In	4.5 ~ 26 V
THD+N (1kHz) @ Conditions	< 0.1% @ 25 W (4 Ω, 21 V)
Features	Differential Inputs Fault Indication Over Voltage Protection Short Circuit Protection Synchronizable Thermal Protection Under Voltage Protection, Brown-Out
Efficiency @ Conditions	>90%, 6V in, 8 Ω @ 2 ~ 5 W >90%, 24V in, 8 Ω @ 20 ~ 30 W >90%, 12V in, 8 Ω @ 6 ~ 22 W
Standby Current [Typical]	50 µA
Quiescent Current [Typical]	32 mA
Component Count + Extras	56 + 42
Application / Target Market	Audio: Hi Fi Audio: Home Theater Systems Automotive LCD TV / Monitor
Design Author	Texas Instruments
Main I.C. Base Part	TPA3118D2
Quiescent Current [Maximum]	50 mA
Standby Current [Maximum]	400 µA
Date Created By Author	2012-03
Date Added To Library	2016-10