As vehicles increasingly evolve into interconnected ecosystems, the integration of artificial intelligence and advanced technologies becomes more crucial. The infotainment system, once merely a music player, has now undergone a remarkable transformation into a central hub for connectivity, entertainment, and navigation. It not only serves as the bridge between the driver and the vehicle, but also as the window through which the vehicle communicates with the external world. Globally, with the growing demand for comfort, convenience, and safety, the automotive infotainment market is experiencing unprecedented growth. According to authoritative market research, the market value reached $14.99 billion in 2023 and is expected to continue growing at a compound annual growth rate (CAGR) of 9.9% from 2024 to 2030.

Slkor Transient Protection Diode SMAJ24CA product photo

1. Key Features of the SMAJ24CA: Tailored for Automotive Infotainment Systems

The SMAJ24CA, a transient voltage suppression (TVS) diode designed specifically for automotive infotainment systems, boasts key features that perfectly align with the needs of these systems. Its reverse working voltage (Vrwm) is 24V, ensuring the diode remains in a non-conducting state within the normal voltage range of automotive infotainment systems, without interfering with their operation. Its breakdown voltage range, between 26.7V and 29.5V, provides a wide and stable protection range. When the system's voltage spikes, the SMAJ24CA responds swiftly, clamping the excessive voltage to safe levels and protecting downstream circuitry from damage.

Slkor Transient Protection Diode SMAJ24CA specification

Additionally, the SMAJ24CA's reverse leakage current (Ir) is 5mA, which, while relatively high, has a negligible impact in automotive infotainment systems. The higher reverse leakage current also enables the diode to respond faster to transient voltage spikes in the circuit, offering more immediate protection. Most importantly, the diode's maximum clamping voltage of 9.2V offers extra protection for sensitive components in the system, preventing damage from excessive voltage.

Parameters of Slkor Transient Protection Diode SMAJ24CA

2. Specific Applications: Comprehensive Protection for Automotive Infotainment Systems

The SMAJ24CA plays a vital role in protecting automotive infotainment systems. It shields the power circuits from lightning strikes and power fluctuations and safeguards signal lines and data interfaces from electromagnetic interference (EMI) and electrostatic discharge (ESD). In particular, in complex electromagnetic environments—such as those in cities with tall buildings, near high-voltage power lines, or during thunderstorms—the SMAJ24CA demonstrates outstanding protection performance, ensuring the stable operation of automotive infotainment systems.

Moreover, the SMAJ24CA effectively suppresses surge and spike voltages in the system. During vehicle operation, phenomena such as engine ignition, motor start-up, or sudden load changes can cause surge and spike voltages in the system. These transient voltages can damage sensitive components, disrupting the system's normal function. The SMAJ24CA acts as a robust barrier, clamping these transient voltages within safe levels and protecting the system from their impact.

3. Importance in System Design: The Cornerstone of Safety and Stability

In the design of automotive infotainment systems, choosing the right transient voltage suppression diode is critical to protecting the system from transient voltage spikes. The SMAJ24CA, with its excellent specifications and broad application range, has become the go-to protection component in many automotive infotainment systems. It serves as a guardian, continually ensuring the system’s safety and stability. Whether in complex electromagnetic environments or harsh weather conditions, the SMAJ24CA performs its crucial role in providing robust protection for the safe and stable operation of automotive infotainment systems.

In this rapidly growing market, the importance of circuit protection for automotive infotainment systems is becoming increasingly apparent. As a key element for system stability, the selection of circuit protection components is of utmost importance. The SMAJ24CA, with its superior performance and excellent characteristics, has become an indispensable circuit protection star in automotive infotainment systems.

About Slkor：

Slkor has research and development offices in Busan, South Korea, Beijing, China, and Suzhou, China. Most of the wafer manufacturing and packaging and testing are carried out within China. The company employs and collaborates with individuals and organizations worldwide, with a laboratory for product performance and reliability testing and a central warehouse located at its headquarters in Shenzhen. Slkor has filed for over a hundred invention patents, offers more than 2,000 product models, and serves over ten thousand customers globally. Its products are exported to countries and regions including Europe, the Americas, Southeast Asia, and the Middle East, making it one of the rapidly growing semiconductor companies in recent years. With well-established management systems and streamlined workflows, Slkor has rapidly enhanced the brand awareness and reputation of its "SLKOR" brand through its outstanding quality and standardized services. Its product range includes three major series: diodes, transistors, and power devices, with recent introductions of new products such as Hall elements and analog devices, expanding its presence in sensors, Risc-v microcontrollers, and other product categories.