Automotive Audio System

Silicon Laboratories' high-performance solutions for car sound systems include high fidelity radio ICs that improve the end user experience, reduce system cost and take advantage of the latest digital features.

See the sound quality performance of the Si824x audio driver over the audible spectrum using the Class D Sound Quality Demonstration.


Silicon Labs' Solutions for Automotive Audio Systems


Silicon Labs Solutions Customer Benefits

Highly integrated, small footprint AM/FM: Optimized for entry-level automotive radios, the Si4740/5 multi-band receivers are small, low BOM count and economically priced; AEC-Q100 qualified

Ease of design. customization of audio performance and entry-level automotive performance; ideal for fast-growing emerging automotive markets

Advanced isolated gate drivers, delivering from 30 W up to 1000 W of audio power; AEC-Q100 qualified​ Superior high-fidelity audio performance for high-power Class D digital audio systems, robust noise tolerance and precise dead-time control​
Automotive qualified MCUs: AEC-Q100 qualified, with temperature operation up to 125° C Small packages, enables full operational specification across the entire automotive voltage and temperature range with no design trade-offs

Multi-band radio receiver family: Pin compatible silicon DSP radio receiver family supporting FM, AM, SW, LW, WB-SAME, and RDS reception

Flexible radio design for multitude of bands and features based on common hardware platform

Fully integrated, self aligned radio: Robust silicon radio requiring minimal external passive components and no external tuned components

Low power, small footprint, and low manufacturing cost (requires no manual tuning)

Reliable capacitive sensing support: Innovative MCU functionality with capacitive sensing, wake-on-touch, and LED lighting control

Enables stylish and differentiated user interfaces

Human interface capabilities: Industry's most sensitive active infrared proximity sensor IC to enable touchless human interface applications

Implement extended range infrared motion sensing with unusually low power levels

Mixed-signal 8051 MCU: Industry's smallest footprint without compromising on performance or integration

Optimized for space-constrained, low-power, low-cost applications; cost sensitive, pin-compatible OTP options available

Complete USB 2.0 Connectivity: Easily converts data traffic between USB and UART formats​

Connect to any UART to provide instantaneous USB connectivity; free software drivers provided​