Overview
The TDA7569BLV, manufactured by STMicroelectronics, is the most advanced BCD technology quad bridge car radio amplifier in its family. It incorporates a wide range of innovative features, making it a highly efficient and robust solution for automotive audio systems. The amplifier is designed to reduce dissipated output power under average listening conditions, significantly outperforming conventional class AB solutions. It is also compliant with recent OEM specifications for low voltage operation, supporting 'start-stop' battery profiles and contributing to environmental protection by reducing overall emissions.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power | 4 x 28 W / 4 Ω @ 14.4 V, 1 kHz, 10% THD; 4 x 45 W max power; 4 x 72 W / 2 Ω |
| Efficiency | Class SB high efficiency |
| I2C Bus | Full I2C bus driving: Standby, Independent front/rear soft play/mute, Selectable gain 26 dB / 16 dB, High efficiency enable/disable, I2C bus digital diagnostics |
| Protection Features | Full fault protection, DC offset detection, Four independent short circuit protection, Clipping detector pin with selectable threshold (2% / 10%) |
| Thermal Protection | Linear thermal shutdown with multiple thermal warning |
| ESD Protection | Yes |
| Operating Voltage | Capable to operate down to 6 V (e.g., 'Start-stop') |
| Package Options | Flexiwatt27 (Vertical, Horizontal, SMD), PowerSO36 |
Key Features
- Multipower BCD technology
- MOSFET output power stage and DMOS power output
- Class SB high efficiency
- High output power capability
- Full I2C bus driving with various control functions (Standby, Independent front/rear soft play/mute, Selectable gain, High efficiency enable/disable)
- I2C bus digital diagnostics including DC bus AC load detection
- Full fault protection, DC offset detection, and four independent short circuit protection
- Clipping detector pin with selectable threshold (2% / 10%)
- Standby/mute pin and linear thermal shutdown with multiple thermal warning
- ESD protection and robustness against misconnections
- Improved SVR suppression during battery transients
Applications
The TDA7569BLV is primarily designed for use in automotive audio systems, particularly in car radios and infotainment systems. Its advanced features and robust design make it suitable for high-performance audio applications where efficiency, reliability, and diagnostic capabilities are crucial.
Q & A
- What is the TDA7569BLV?
The TDA7569BLV is a quad bridge car radio amplifier from STMicroelectronics, utilizing advanced BCD technology.
- What are the key output power specifications of the TDA7569BLV?
The TDA7569BLV can deliver 4 x 28 W / 4 Ω @ 14.4 V, 1 kHz, 10% THD, with a maximum power of 4 x 45 W and up to 4 x 72 W / 2 Ω.
- What efficiency class does the TDA7569BLV belong to?
The TDA7569BLV operates with Class SB high efficiency.
- What are the I2C bus capabilities of the TDA7569BLV?
The TDA7569BLV features full I2C bus driving, including standby, independent front/rear soft play/mute, selectable gain, high efficiency enable/disable, and I2C bus digital diagnostics.
- What protection features does the TDA7569BLV have?
The TDA7569BLV includes full fault protection, DC offset detection, four independent short circuit protection, and a clipping detector pin with selectable threshold.
- Is the TDA7569BLV robust against misconnections?
Yes, the TDA7569BLV is designed to be very robust against several kinds of misconnections.
- What is the minimum operating voltage for the TDA7569BLV?
The TDA7569BLV can operate down to 6 V, supporting 'start-stop' battery profiles.
- What are the available package options for the TDA7569BLV?
The TDA7569BLV is available in Flexiwatt27 (Vertical, Horizontal, SMD) and PowerSO36 packages.
- What are the thermal protection features of the TDA7569BLV?
The TDA7569BLV features linear thermal shutdown with multiple thermal warning.
- Does the TDA7569BLV have ESD protection?
Yes, the TDA7569BLV includes ESD protection.
