MSL2162DQ

LED drivers are becoming increasingly popular in the field of power management infrastructure (PMIC) due to their ability to drive and control various types of light-emitting diodes (LEDs). One of the most popular drivers is the MSL2162DQ, a two-phase, lock-step buck driver. This application note will discuss the application fields, functioning principles, and industrial regulations of the MSL2162DQ.

Application Field

The MSL2162DQ is a two-phase, lock-step buck driver that primarily used for driving LEDs. It is perfect for general lighting, architectural lighting, street lighting, vehicle lighting, and spotlamps in commercial and industrial applications. The driver is also ideal for driving ultraviolet (UV) and infrared (IR) LEDs for medical, scientific, and industrial applications. With its wide operating range from 10 to 36V, the driver provides a high degree of design flexibility and is able to accommodate a wide range of voltage and current requirements.

Working Principle

The MSL2162DQ uses a variable frequency synchronous buck topology. It employs an adaptive hysteretic architecture that monitors the power line voltage and adjusts the frequency and duty cycle in order to keep the LED brightness stable across a wide range of input voltage. The driver also has an input voltage response of up to 500kHz, which reduces the total cost of ownership by requiring fewer external components.

The MSL2162DQ provides high control accuracy and provides the ability to control and monitor the current in the two channels. It allows the user to fine-tune the desired current level across the two outputs and thus provides precise, consistent illumination intensity. The driver also includes short-circuit protection, over-current protection, under-voltage protection, and over-temperature protection for added safety.

Industrial Regulations

The MSL2162DQ is compliant with international standards for edge lighting, power management, and electronics (SELV Directive). These regulations ensure that the product is safe and easy to use. Additionally, the driver is certified for use in compliance with the RoHS, EN 62471, and UL 8750 regulations.

The MSL2162DQ is also certified to meet all safety standards required by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) and has been evaluated to meet the requirements of the CE and UL marks.

In conclusion, the MSL2162DQ is a two-phase, lock-step buck driver that is designed to deliver reliable, precise, and consistent lighting performance in commercial and industrial applications. The driver is compliant with international standards and compliant with RoHS, EN 62471, and UL 8750 regulations. It is ideal for driving LEDs for medical, scientific, and industrial applications.