AAT2892IUL-1-T1

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AAT2892IUL-1-T1 is a highly integrated LED driver device, mainly used in portable applications such as mobile phones, PDAs, digital still cameras and other LED lighting solutions. It has various features such as low current shutdown, low external component count, low battery drain current and excellent LED control accuracy. This device can drive up to 6 LEDs in 9 different ways, enabling a variety of creative lighting solutions.

This device is classified as a PMIC - LED Drivers device because it is designed to drive white and RGB LEDs. Its main application fields are in mobile and handheld devices that utilize RGB and white LED lighting effects, such as cell phones, PDAs, GPS systems and digital still cameras.

The AAT2892IUL-1-T1 consists of a digital core, voltage regulators and a number of modules that control the pulse width modulation (PWM) current for the LEDs. The core is responsible for the control functions such as battery protection and LED dimming control. It also provides the ability to shut off the LEDs when no activity is detected, as well as providing all signals to the PWM module. The voltage regulators provide the regulated voltages to the digital core. The PWM modules control the current to the LEDs and provide regulated constant brightness by setting the dimming control of each LED through the I2C bus.

The working principle of the AAT2892IUL-1-T1 is based on its ability to provide a constant current drive for up to 6 LEDs. The device has built-in PWM functions that allow for accurate LED control, as well as providing battery protection features. The dimming control for each LED is programmable through the I2C bus, allowing for a wide range of dimming levels to be set. Moreover, the device have multiple power saving features such as low current shutdown, low external component count and low battery drain current.

In conclusion, the AAT2892IUL-1-T1 is a highly integrated, cost effective, and energy efficient device designed to drive white and RGB LEDs, and falls within the PMIC - LED Drivers family. The device’s main application fields are in mobile and handheld devices that require RGB and white LED lighting effects, and it is able to provide up to 6 LEDs with a constant current drive. It also has multiple power saving features and programmable dimming control over the I2C bus.

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