Overview
The TDA7563APD, produced by STMicroelectronics, is a multifunction quad power amplifier designed specifically for car radio applications. It utilizes BCD (Bipolar-CMOS-DMOS) technology and is packaged in the Flexiwatt27 format. This amplifier is known for its high efficiency, low distortion, and integrated diagnostics features, making it an ideal choice for high-power car audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage (Vop) | 8 - 18 | V |
| DC Supply Voltage (VS) | 28 | V |
| Peak Supply Voltage (Vpeak) for t = 50ms | 50 | V |
| Output Power (PO) at 4Ω, 1kHz, 10% THD | 4x28W | W |
| Output Power (PO) at 2Ω, 1kHz, 10% THD | 4x40W (EIAJ), 4x72W (max) | W |
| Total Harmonic Distortion (THD) | 0.5% (STD mode), 1.5% (Line Driver mode) | % |
| Output Peak Current (IO) non-repetitive | 8 A (t = 100ms) | A |
| Output Peak Current (IO) repetitive | 6 A (f > 10Hz) | A |
| Power Dissipation at Tcase = 70°C | 85 W | W |
| Storage and Junction Temperature | -55 to 150 | °C |
| Thermal Resistance Junction to case | 1 °C/W | °C/W |
Key Features
- High Efficiency: The TDA7563APD features a high-efficiency DMOS output stage, reducing power dissipation by up to 50% compared to conventional class AB solutions.
- Full I2C Bus Interface: Allows for comprehensive control and diagnostics, including stand-by, independent front/rear soft play/mute, selectable gain (30dB or 16dB), and high efficiency enable/disable.
- Diagnostic Capabilities: Includes DC offset detection, four independent short circuit protections, clipping detector pin with selectable threshold (2%/10%), and thermal shutdown.
- Fault Protection: Provides protection against short circuits to ground or supply voltage, open speaker, and short across the speaker.
- ESD Protection: Ensures robustness against electrostatic discharge.
- Selectable Gain and Modes: Supports both 30dB and 16dB gain settings and line driver mode diagnostics.
Applications
The TDA7563APD is specifically designed for car radio and car audio systems, where high power output, low distortion, and advanced diagnostics are crucial. It is suitable for a variety of automotive audio applications requiring high efficiency and reliability.
Q & A
- What is the TDA7563APD used for?
The TDA7563APD is a multifunction quad power amplifier designed for car radio and car audio systems.
- What is the maximum output power of the TDA7563APD?
The maximum output power is 4x72W at 2Ω load.
- What type of technology does the TDA7563APD use?
The TDA7563APD uses BCD (Bipolar-CMOS-DMOS) technology.
- What are the key diagnostic features of the TDA7563APD?
The device includes DC offset detection, short circuit protection, clipping detector, and thermal shutdown, all communicated through the I2C bus.
- How does the TDA7563APD manage thermal issues?
The device has a high-efficiency design that reduces power dissipation by up to 50% compared to conventional class AB solutions, simplifying thermal management.
- What is the operating supply voltage range of the TDA7563APD?
The operating supply voltage range is 8 to 18 volts.
- Does the TDA7563APD support I2C bus interface?
Yes, it supports a full I2C bus interface for control and diagnostics.
- What types of fault protections are available in the TDA7563APD?
The device provides protection against short circuits to ground or supply voltage, open speaker, and short across the speaker.
- Can the gain of the TDA7563APD be adjusted?
Yes, the gain can be set to either 30dB or 16dB.
- Is the TDA7563APD ESD protected?
Yes, the device includes ESD protection.
