ASL2417SHNY

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Part Status:	Active

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IntroductionASL2417SHNY is a PMIC – LED Driver which has been developed by Advanced Semiconductor Laboratories, Inc. It combines the latest LED technologies with the industry-leading power supply technology. This LED driver uses a single-phase interconnected switched voltage regulator to efficiently regulate the input voltage, control current and temperature, and expand the range of its applications. The device also provides an array of features and characteristics, making it a highly reliable and cost-effective solution for various lighting applications. It is an ideal solution for applications such as ambient light, spot light, traffic lights and general indicator light.Features and BenefitsThe ASL2417SHNY LED driver has several key features:1. Constant Current Design: The LED driver is designed to maintain a constant LED current regardless of variations in LED temperatures. This helps to protect the LEDs from overload and malfunction, as well as helps to increase their lifespans.2. Highly Accurate Calibration: The driver provides a tight current matching accuracy over the full temperature range and over a wide operating range. This enables more accurate color and luminosity control.3. Advanced Digital Control: The driver is capable of digital control using pulse-width modulation (PWM). This feature allows for more accurate brightness control without sacrificing efficiency.4. Safety Protection: The driver includes a variety of safety protection features such as Fault Blanking and Protection Timer. These features help protect the LEDs and reduce the chances of accidental damage.5. Thermal Control Design: The driver includes thermal control design which helps to prevent heat-related damage and ensure stable operation.ApplicationsThe ASL2417SHNY LED driver is suitable for a wide range of applications, including:1. Ambient light: The driver is designed for indoor and outdoor lighting, providing more accurate and uniform illumination.2. Spot light: The driver is ideal for spot lights, providing a high beam intensity and uniform illumination.3. Traffic Lights: The driver is capable of operating in a wide range of lighting environments, providing accurate and uniform illumination for traffic signals.4. General Indicator Lights: The driver is suitable for general indicator lights, offering a variety of intensity levels and uniform illumination.Working PrinciplesThe ASL2417SHNY LED driver utilizes a single-phase interconnected switched voltage regulator to efficiently regulate the input voltage, control current and temperature, and expand the range of its applications. The LED driver contains an LED driver IC and a power transistor based linear circuit. The LED driver IC is capable of regulating the current that is delivered to the LED, while the power transistor based linear circuit provides dynamic current-level adjustments.The LED driver contains a low-frequency voltage control, which is used to regulate the output current and to reduce power losses. To ensure safe operation, the LED driver includes safety protection such as Fault Blanking and Protection Timer. The LED driver is also capable of digital control using pulse-width modulation (PWM), which allows for more precise and dynamic brightness control. ConclusionThe ASL2417SHNY LED driver is a highly reliable and cost-effective solution for various lighting applications. Its advanced features and characteristics, such as Constant Current Design, Highly Accurate Calibration, Advanced Digital Control and Thermal Control Design, make it an ideal fit for a variety of lighting applications such as ambient light, spot light, traffic lights and general indicator light. The driver is capable of providing precise control and uniform illumination in a wide range of lighting environments.

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