ESSV040W-0900-42

LED drivers are active electronic devices that control the amount of current that flows through an LED. The ESSV040W-0900-42 is a device that is designed to provide a regulated amount of current and voltage to run a light-emitting diode (LED) system. This application field and its working principle are described in this article.

Application Field

The ESSV040W-0900-42 LED driver is suitable for a wide range of commercial and industrial applications. This includes the illumination of walkways, stairs, hallways, parking lots, and warehouses. It can be used to light up shops, restaurants, and other retail establishments. It is also a suitable lighting solution for hospitals, schools, museums, and libraries.

The driver’s small size and low cost make it an excellent choice for applications with tight budgets and/or limited space. Due to its adjustable nature, this driver can be used in a wide range of LED system designs.

Working Principle

The ESSV040W-0900-42 LED driver is a constant current driver that uses a rectangular waveform to regulate the drive current. It takes the power supply voltage and converts it into a regulated current output. This makes it suitable for driving LEDs with a wide range of forward voltages without the need for voltage protection resistors.

The driver’s output current is adjustable by adjusting the rectangular waveforms pulse width and/or duty cycle. This is done either by the internal circuit or an external control circuit, allowing the user to set the desired output current for their LED system.

The ESSV040W-0900-42 LED driver also has a power thermal protection feature that will turn off the driver whenever it senses an over-temperature condition.

In conclusion, the ESSV040W-0900-42 LED driver is a cost effective, reliable, and adjustable device suitable for universal use.