STMicroelectronics 4-Channel Bridge Audio Amplifier 30W FLEXIWATT Through Hole TDA7850

STMicroelectronics TDA7850 is a robust 4-channel bridge audio amplifier IC designed for automotive and industrial audio applications, delivering clean and powerful sound with 30W output power per channel in a FLEXIWATT 25-pin through-hole package.

Operating within a maximum supply voltage of 18V, it provides excellent audio performance under a wide operating temperature range from -55°C to 150°C. The amplifier’s compact size of approximately 29.23mm in length, 15.7mm in height, and 4.5mm in width allows easy mounting on printed circuit boards in compact electronic designs.

This Class A-B amplifier is engineered with multiple integrated protection features, including short circuit and over-temperature protection, ESD defense, and load dump tolerance, ensuring high reliability in harsh automotive environments. Compliance with the automotive standard AEC-Q100 makes it suitable for stop-start engine vehicles and hybrid engine standards.

The TDA7850 series includes optionals such as I²C interface for control and diagnostics, a digital input allowing flexible system integration, and an augmented efficiency mode to optimize power consumption while maintaining audio fidelity.

Utilized widely in automotive speaker amplification, consumer audio devices, and industrial audio systems, this amplifier supports driving very low impedance speakers, enhancing system versatility.

The amplifier operates at a maximum supply voltage of 18V and supports a broad temperature range from -55°C to 150°C. Its compact dimensions of 29.23mm length, 15.7mm height, and 4.5mm width support easy integration in automotive and industrial applications.

The device supports very low impedance speaker loads and includes integrated protections against short circuits, ESD, load dumping, and overheating. Certified to the automotive standard AEC-Q100, it is suitable for use in hybrid and stop-start engine environments.

The TDA7850 amplifier series offers optional features such as I²C interface, diagnostics, digital input, and augmented efficiency modes.

This product is ideal for use in automotive audio systems, industrial audio amplification, and various electronic audio component designs. For additional resources, including 3D models, schematics, and footprints, dedicated software tools are available to aid engineers and designers.

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