A6276ELWTR

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Introduction:

The A6276ELWTR PMIC – LED Drivers are a high performance, low power consumption, linear LED driver for a wide range of applications. This device enables users to achieve greater efficiency and convenience in driving multiple LEDs with minimal current draw, delivering greater light output for indoor and outdoor lighting systems.

Application Field:

The A6276ELWTR PMIC – LED Drivers are ideal for use in low power applications, including indoor and outdoor lighting, general automotive lighting, emergency back-up lighting and other applications where low power consumption and long life are critical. The device provides excellent thermal and EMI performance, making it well suited for applications with multiple LED sources.

The device is also a suitable choice for numerous security and motion-sensing lighting applications, as it is capable of delivering both short bursts of intense light and longer periods of relatively lower voltage output, which allows for longer LED life-time. The A6276ELWTR PMIC – LED Drivers also feature a wide input voltage range, enabling users to select the most suitable voltage range to meet the requirements of their respective application.

Working Principle:

The A6276ELWTR PMIC – LED Drivers operate under the buck-boost switching method. This type of operation provides a constant output voltage regardless of input voltage or load condition, which results in an extremely low ripple of around 0.1V, even at higher output currents. The device features a wide 2.8V - 24V voltage range, allowing it to operate with a wide range of input voltages. In addition, over-temperature and over-voltage protection is also provided to enhance the safety and lifetime of both your device and the LEDs.

The PMIC – LED Drivers includes a boost switch and a QFN package for ease of operation and easy integration with PCB designs. Furthermore, the device also comes with two different modes of operation. Its Constant Current Mode allows users to set both the charging and lighting currents, while its Constant Voltage Mode provides consistent output voltages, regardless of the current draw.

The device is also equipped with a built-in temperature compensation feature which automatically adjusts the output current based on the ambient temperature, ensuring uniform lighting performance over a wide temperature range. Additionally, the A6276ELWTR PMIC – LED Drivers allow users to program the current limit of their LEDs so that they can provide the most efficient operation depending on the environment and the application.

Conclusion:

The A6276ELWTR PMIC – LED Drivers is a high performance, low power consuming LED driver that offers superior efficiency and convenience when operating multiple LEDs. With its wide input voltage range and temperature compensation feature, the device is highly suitable for a variety of low power and motion sensing-lighting applications. The device also eliminates the need to select the appropriate current limit setting for each LED, enabling users to quickly and easily program the light output of their LEDs.

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