TPA2029D1YZFR Integrated Circuits (ICs)

Series:	SmartGain™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	3W x 1 @ 4 Ohm
Voltage - Supply:	2.5 V ~ 5.5 V
Features:	AGC, Differential Inputs, DRC, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	9-DSBGA
Package / Case:	9-UFBGA, DSBGA
Base Part Number:	TPA2029

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Introduction

TPA2029D1YZFR is a single-channel, low-noise audio power amplifier meant for driving an 8 ohm load.This device is part of the Linear Amplifiers – Audio family of components and is brought to us by Texas Instruments. The device can operate in any of the power source configurations stipulated in the datasheet depending on the application context and is a great choice due to its high voltage ratings and low power consumption characteristics.

Application Field

The TPA2029D1YZFR can be used in both commercial purpose and recreational applications. The major application of the TPA2029D1YZFR is residential audio systems and audio systems installed in small locations, such as meetings and classrooms, where cost is a concern.The TPA2029D1YZFR amplifier is also suitable for products built into phones and tablets. Docking stations, head units, bluetooth transceivers and even cellphone screens can all benefit from being equipped with these type of amplifiers. The small form factor and low noise performance makes the TPA2029D1YZFR an ideal choice for audio applications which needs high power yet compact components.

Power Source Configuration

The device can be used with voltage sources or current sources and can handle both single and dual supply power sources. When used with a voltage source, the TPA2029D1YZFR can be powered with a supply voltage of up to 16V. With current sources, the TPA2029D1YZFR can accept up to 30mA of peak current. The device has two enable pins which can be used to enable or disable the amplifier, depending on the application.

Impedance Matching

The impedance of a speaker should be matched to the output impedance of the amplifier for optimum performance. The output of the TPA2029D1YZFR is designed to match 8 ohm loads, so it is best to use an 8 ohm speaker for optimal performance. Any other impedance value can be used, but the power output will be affected.

Thermal Protection

The TPA2029D1YZFR is equipped with a thermal protection feature. When the temperature of the device exceeds the maximum rating, the thermal protection circuit will automatically switch off the amplifier and the thermal protection feature must be reset manually before the amplifier can be used again.

Working Principle

The TPA2029D1YZFR is a single-channel amplifier which uses an internal power switching and voltage regulation circuitry to boost the input voltage to the required level. The TPA2029D1YZFR amplifier has an input level of 1.2V and a maximum output power of 2W at 8 ohm loads when powered at a 16V supply voltage. The output of the amplifier is governed by two main components. The first is the power stage, which consists of two voltage-controlled switches and two output transistors which amplify the input voltage and deliver the required output power. The second component is the control IC, which monitors the input and output signals and adjusts the power stage to ensure that the output remains stable and free from distortion. The output of the TPA2029D1YZF can be adjusted via the gain control port, which is connected to the control IC. This feature allows the user to adjust the gain of the amplifier to match the requirements of the application. The input can also be adjusted, allowing the user to shape the sound of the output according to the application requirements.

Conclusion

The TPA2029D1YZFR amplifier is a single-channel audio power amplifier meant for driving an 8 ohm load. It is a great choice for applications where cost or space is a constraint, as it has a small form factor and low power consumption characteristics. The device is suitable for powering phones, tablets, head units, docking stations and even cellphone screens. The amplifier can be powered with a voltage source or a current source and can handle a maximum output power of 2W at 8 ohm loads. The device is equipped with thermal protection circuitry and can be adjusted via the gain control port to match the requirements of the application.

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