TDA7386 Pinout, Equivalent, Application, Datasheet

Before getting into deeper details, here is a quick overview of the TDA7386 pinout, which helps you understand how this quad bridge amplifier IC interfaces with car audio and high-power audio circuits.

Introduction

The TDA7386 is a high-power quad bridge audio amplifier IC designed for automotive head units, multi-channel speakers, and modern Hi-Fi systems requiring strong output and low distortion. Built using advanced BCD technology, it delivers high power efficiency and robust thermal stability, making it ideal for high-performance audio designs. The IC operates efficiently within an 18–28V supply range, enabling powerful output across four channels, which is why it is widely used in 4-speaker car audio setups.

With protection features such as short-circuit safety, thermal shutdown, and load-dump resistance, the TDA7386 ensures reliable long-term operation even in demanding environments. Its bridge-tied load (BTL) configuration eliminates the need for output coupling capacitors, simplifying design and improving audio clarity.

Pin Configuration / Pinout of TDA7386 Power Amplifier IC

Understanding the TDA7386 Pinout Configuration

The TDA7386 pinout includes four BTL channels, input pins for each channel, standby/mute control pins, and power pins. The configuration allows independent drive of four loudspeakers, making it suitable for multi-channel audio systems.

Note: DATASHEET DOWNLOAD button is provided end of this article.

TDA7386 Key Features

• Quad bridge-tied load (BTL) configuration
• High power output for automotive audio systems
• Low distortion and high signal-to-noise ratio
• Standby and mute control features
• Built-in short-circuit and thermal protection
• Load dump protection for automotive use
• Efficient heat dissipation for stable long-term operation

TDA7386 Specifications/Characteristics

• Supply voltage range: 18V to 28V
• Total power dissipation: 80W
• Storage temperature range: 55°C to 150°C
• Four-channel bridge output architecture
• Designed for car audio environments
• Built-in thermal shutdown and short-circuit protection

Key Applications of TDA7386 Power Amplifier IC

• Car audio head units
• Quad-speaker audio systems
• Multimedia speaker setups
• High-power home audio amplifiers
• Automotive infotainment units
• DIY audio amplifier projects

TDA7386 Equivalent ICs / Alternatives

(Verify pin compatibility before using substitutions)

• TDA7388
• TDA7560
• TDA7850
• TDA7384
• TDA7385

More Circuit Layouts

Working Principle of TDA7386

The TDA7386 operates as a quad BTL audio amplifier, where each pair of internal amplifiers forms one bridge channel to drive a speaker with double the output swing. This topology maximizes output power while minimizing distortion. The IC includes internal biasing, thermal control, and mute/standby circuitry to ensure smooth operation and protect the output stage from overload or temperature rise.

The large supply voltage range allows it to handle high dynamic audio peaks, making it suitable for loud, distortion-free sound reproduction in both automotive and consumer audio systems.

Frequently Asked Questions (FAQ)

Q1: Is the TDA7386 suitable for car audio?
Yes, it is designed specifically for automotive applications.

Q2: Does it require output capacitors?
No, the BTL configuration eliminates the need for output coupling capacitors.

Q3: What is the main difference between TDA7386 and TDA7388?
The TDA7388 offers slightly improved efficiency and output power, but the functionality is nearly similar.

Q4: How many speakers can TDA7386 drive?
It can drive four independent speakers.

Conclusion

The TDA7386 is a powerful and reliable quad bridge audio amplifier IC ideal for high-performance car audio and multi-speaker sound systems. Its high efficiency, robust protection features, and excellent audio quality make it a strong choice for both commercial and DIY audio designs. With wide supply compatibility and stable output, it remains a dependable solution for modern audio applications.

Datasheet of TDA7386 Power Amplifier IC

Click the following Button below to download the datasheet of TDA7386 :

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