TDA7560 Pinout, Equivalent, Application, Datasheet

The TDA7560 is a high-performance quad-bridge car radio amplifier designed for powerful in-vehicle sound systems, offering exceptional audio clarity, low distortion, and strong output capability. This article explains its architecture, features, working, applications, specifications, and TDA7560 pinout details, helping designers understand how to use it effectively in modern car audio designs. Throughout the content, we have covered its internal working, pin configuration, advantages, as well as suitable alternatives to support your project development needs.

Introduction

The TDA7560 is a 4 × 45W bridge power amplifier IC optimized for automotive head units. It delivers high output power with minimal heat dissipation, thanks to its fully complementary MOS power stage and advanced efficiency-boosting circuitry. Its built-in protection features, low-noise design, and wide supply range make it suitable for both OEM and aftermarket car audio systems. Due to its robustness and ability to withstand load dumps and harsh automotive environments, the TDA7560 has become a commonly used IC in powerful car radio amplifier applications.

Pin Configuration / Pinout of TDA7560 Power Amplifier IC

Understanding the TDA7560 Pinout Configuration

The TDA7560 pinout consists of multiple input pins, bootstrap pins, diagnostic pins, standby/mute control pins, and power output pins for each of the four bridge channels. Each channel includes differential signal inputs and high-current outputs capable of driving low-impedance speakers commonly used in automotive systems. The pinout is structured to minimize EMI, ensure optimal heat distribution, and simplify PCB routing in multi-channel amplifier designs.

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

TDA7560 Key Features

• Quad bridge amplifier architecture
• High output power capability
• Low distortion and low noise operation
• Standby and mute control functions
• Built-in thermal shutdown protection
• Short-circuit and overvoltage protection
• Load dump protection for automotive use
• High efficiency with reduced heat generation
• EMI-optimized design for stable car radio performance

TDA7560 Specifications/Characteristics

• Supply voltage range: 18V to 28V
• Output power: 4 × 45W (typical)
• Total power dissipation (Ptot): 80W
• Storage temperature range (Tstg): –55°C to +150°C
• Low standby current consumption
• High signal-to-noise ratio
• Built-in output protection circuitry
• Thermal shutdown with auto-recovery

Key Applications of TDA7560 Power Amplifier IC

• Car radio head units
• Multi-channel automotive audio systems
• Aftermarket car amplifiers
• OEM automotive infotainment systems
• 4-speaker stereo audio applications
• Automotive multimedia centers

TDA7560 Equivalent ICs / Alternatives

(Verify pin compatibility before using substitutions)

• TDA7563 – Quad bridge car amplifier
• TDA7388 – 4 × 41W amplifier IC
• TDA7850 – High-performance 4-channel MOSFET amplifier
• TDA7386 – Automotive car radio amplifier
• STA540 – Quad bridge amplifier alternative

More Circuit Layouts

Working Principle of TDA7560

The TDA7560 operates using a quad bridge amplifier topology, where each channel uses a BTL (Bridge-Tied Load) configuration. This design doubles the output voltage swing and increases power delivery to the speaker without requiring an output coupling capacitor. Its MOS power stage ensures efficient operation with low crossover distortion, making it suitable for high-quality car audio reproduction.

The IC integrates muting and standby circuitry to eliminate turn-on pops and reduce system power consumption. Internal protection mechanisms continuously monitor temperature, load conditions, and supply voltage to ensure safe operation in demanding automotive environments.

Frequently Asked Questions (FAQ)

Q1: What is the output power of the TDA7560?
It can deliver 4 × 45W in bridge mode.

Q2: Is the TDA7560 suitable for car head units?
Yes, it is specifically designed for automotive audio systems.

Q3: Does it include thermal and short-circuit protection?
Yes, it features built-in thermal shutdown, short-circuit protection, and load-dump resilience.

Q4: Can the TDA7560 operate from a 12V battery?
Yes, when the car alternator raises the system voltage into the 18–28V range, the IC performs optimally.

Q5: Is PCB heat sinking required?
Yes, a proper heatsink is essential due to high output power dissipation.

Conclusion

The TDA7560 is a powerful and reliable 4 × 45W quad bridge car radio amplifier IC, delivering high-quality audio output suitable for modern automotive applications. Its advanced features, strong protection system, and robust MOSFET power stage make it ideal for designers requiring a high-performance multi-channel car audio solution. Whether used in OEM or aftermarket systems, the TDA7560 provides dependable performance with excellent sound clarity and efficiency.

Datasheet of TDA7560 Power Amplifier IC

Click the following Button below to download the datasheet of TDA7560 :

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