Bus infotainment System

A bus infotainment system is one of the most effective communication methods to provide passengers with the information they need, should it be that to help them plan their trips and/or play content that appeals to their interests, such as news, weather, agency alerts and so on. For bus infotainment systems, how to maintain the stability of the power supply system and integrated power ignition signal status are the key design considerations. In this use case, the infotainment system was to be connected with the bus’s battery directly. We’ve fulfilled the customer’s requirements delivering a bus infotainment system with smart power and connectivity management.

Smart Power Ignition

The bus information system is connected to the bus’s power ignition system. It triggers the infotainment system to boot up once the bus engine starts, and sustains to supply power for a pre-determined delayed time for the system to shut down after the bus engine is turned off. The smart power ignition function intelligently helps ensure the infotainment system shuts down safely while also prevent draining the bus’s battery.

Wide Input Voltage

While 24V electrical systems are powerful and commonly used in commercial and industrial vehicles, to further minimize the effects of various electrical current demands, we designed the infotainment system with a wider 12V-36V power input range. Moreover, noticing inrush current surges occur when the driver accelerates the bus, we designed inrush current limiter circuits to protect the system from damage caused by inrush currents.

Smart Connectivity

The infotainment system needs to receive data while the bus is in operation. We’ve integrated 3G, WiFi, and GPS to ensure stable communication between the bus and the central control center. We’ve also reserved LTE and 5G interfaces for future upgrades. When the bus is moving fast, we can also provide a stable signal with a smart connectivity solution.