ELG-100-C350DA

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LED technology has been used for numerous applications, ranging from lighting to signage. But its application is being limited by the lack of suitable LED drivers. The ELG-100-C350DA (electronic lights control) is a LED driver from Cypress Semiconductor which is designed to address this need. This article will discuss the application field and working principle of the ELG-100-C350DA.

Application Field

The ELG-100-C350DA is a dedicated LED controller which provides a precise, adjustable and reliable LED drive current. This makes it suitable for diverse LED applications, including public signage, street lighting, vehicle tail/headlight, residential lighting, medical lighting, landscape lighting, perimeter/security lighting, airport lighting and municipal lighting. The driver can be used with either DC or AC input to drive power LED strings.

It is also equipped with a digital interface for synchronization and control. The ELG-100-C350DA can be used to form a high-performance driving solution for these applications, offering automatic dimming and brightness control. Furthermore, the ELG-100-C350DA supports open-circuit, short-circuit, over-voltage and over-temperature protection to ensure reliability and safety in these applications.

Working Principle

The ELG-100-C350DA is based on the concept of pulse width modulation (PWM). In PWM, an AC voltage is squared off by a fixed frequency and duty cycle. The duty cycle of the PWM signal determines how much energy is delivered to the LED. By changing the duty cycle, the ELG-100-C350DA can be used to set the LED drive current, enabling precise brightness control and automatic dimming.

The ELG-100-C350DA also includes a voltage-to-current regulation loop with a high resolution current control. This ensures stability and accuracy of LED current during operation by eliminating the need for component matching. The current sense resistor is also included inside the ELG-100-C350DA, so external components are not required.

In addition, the ELG-100-C350DA includes a comprehensive range of safety features for over-voltage, over-temperature and reverse polarity protection. These features ensure the safe operation of the LED driver, regardless of the external conditions.

The ELG-100-C350DA is a highly versatile LED driver, suitable for a wide range of LED applications. Its wide range of features and integrated safety features make it an ideal choice for LED driving solutions.

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