SSL21082AT/1,118

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Power management integrated circuits or PMICs are popularly used in various fields such as lighting and automotive, as they are cost-effective and offer a wide range of features. In particular, LED drivers are an important factor in PMICs, as they provide the needed power to drive the LED lights. In this article, we will be looking at the SSL21082AT/1,118 LED driver, its application field and its working principle.

SSL21082AT/1,118 LED Driver

The SSL21082AT/1,118 LED driver is a multi-voltage LED lighting controller which is capable of driving LEDs from DC 6V up to DC 42V. This LED driver has several features, including a wide input voltage range of 4.5V to 42V, adjustable constant current output, dimming control, and several protection and monitoring features. It is rated for the UL 1310, UL8750, UL8800, and CE safety standards, meaning that it is suitable for a wide range of applications such as residential and commercial lighting.

Application Field

The SSL21082AT/1,118 LED driver is a popular choice in various applications such as commercial lighting, residential lighting, and automotive lighting. In terms of commercial lighting, it is backed up by several features such as a wide input voltage range, Temperature Control Protection, and Overtemperature Control Protection, as well as Dimming Control. These features make it suitable for use in office spaces, stores, and other indoor locations. In residential lighting, the LED driver is capable of constant current output, making it suitable for use in living rooms and bedrooms.

In the automotive field, the SSL21082AT/1,118 is often used in vehicle’s interior lighting, exterior lighting, and even signaling systems. Its features such as the wide input voltage range and its ability to provide constant voltage output make it a popular choice for various types of vehicles. Moreover, its various protection features such as overcurrent protection, overtemperature protection, and dimming control make it an ideal solution for use in cars, trucks, and other vehicles.

Working Principle

The SSL21082AT/1,118 LED driver uses a Pulse Width Modulation (PWM) dimming control system for its dimming control feature. This system works by utilizing an output voltage control loop which changes the voltage of the LEDs in order to adjust the brightness. Additionally, the LED driver has an overcurrent protection circuit which is used to prevent excessive current from flowing through the LEDs. This feature prevents any damage to the LEDs by monitoring the current flow and adjusting the current output accordingly.

The SSL21082AT/1,118 also utilizes a Temperature Control Protection (TCP) feature to protect the LEDs against abnormal temperatures. This system works by monitoring the output voltage and then gradually reducing its output voltage as the temperature rises. This prevents the LEDs from getting damaged or failing due to too much heat.

Overall, the SSL21082AT/1,118 LED driver is a reliable and efficient LED lighting solution which is suitable for use in various applications. Its features such as its wide input voltage range, adjustable constant current output, dimming control, and various protection features make it an ideal choice for various LED solutions.

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