AAT3114ISN-20-T1

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AAT3114ISN-20-T1 is an advanced low voltage LED driver IC, which utilizes an I2C control interface. It is suitable for various applications, especially those which require low-power LED illumination. This LED driver is specifically designed to drive up to 20 LEDs in series with a typical voltage supply of 1.8V to 3.3V, while still providing accurate LED current regulation and over-temperature protection. Furthermore, it is able to reduce overall system power consumption and reduce the system cost.

There are a lot of applications that can take advantage of the AAT3114ISN-20-T1. First, it can be used in automotive interior and exterior lighting applications. By using this LED driver IC, designers can create high-efficiency lighting systems that provide excellent visibility at low power, making it perfect for vehicle safety applications. Additionally, this LED driver can be used for LED LED backlighting for LCDs. The AAT3114ISN-20-T1 can be used to smoothly and accurately control the LED current for LCDs, providing the best possible visual experience. Finally, this LED driver can also be used for small, portable displays, such as mobile phones and PDAs.

The working principle of the AAT3114ISN-20-T1 is fairly simple. It uses a constant current source to regulate the LED current, allowing it to remain consistent regardless of input voltage variations, temperature changes, aging of components, and other factors. The constant current source is enabled by a feedback loop, which feeds back a portion of the load voltage to the sourcing devices VREF, providing it with a reference voltage for current regulation and over-temperature protection.

In conclusion, the AAT3114ISN-20-T1 is a low-voltage LED driver IC that utilizes an I2C control interface. Its low power consumption and accurate LED current regulation make it an ideal choice for automotive, LCD backlighting, and small display applications. Additionally, the simple working principle of a constant current source allows it to provide consistent LED current over a wide range of conditions.

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