ACT111AUS-T

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PMIC – LED Drivers are versatile integrated circuits that are used to control and drive LEDs in modern lighting solutions. The ACT111AUS-T is an advanced system level power management IC that is specifically designed for driving arrays of high-power LEDs. This high performance, current regulated, pulsed lighting and blinking device is highly reliable and offers superior performance and features.

The ACT111AUS-T is a low cost, low power, fully calibrated LED driver IC with a wide input voltage range. It is ideal for applications such as stairways, back lit displays and other lighting designs. Additionally, this device is suitable for applications such as automotive interior and exterior lights, emergency vehicle lights, and other solid-state lighting applications.

The integrated circuit contains an LED current source regulator, an LED current source driver and a PWM controller. The LED current source regulator allows the LED current to be accurately controlled and regulated, while the LED current source driver provides a constant source of current to the LEDs. The PWM controller enables the driver to be programmed with fixed dimming, stepped dimming and programmable dimming curves.

The ACT111AUS-T is based on a patented adaptive current-control (ACC) architecture. This architecture allows the output current to be regulated according to the changes in the ambient temperature, making it possible to maintain a consistent output brightness even in extreme thermal conditions. The ACC architecture also enables the device to detect lamp failure and to compensate for any variation in lamp characteristics.

The key features of the ACT111AUS-T include an integrated voltage regulator, high efficiency, wide dimming range and finely calibrated current regulation over a wide power range. The device is also designed to provide superior EMI performance, high thermal efficiency and fast response time. Apart from these features, the device also offers built-in OVP and over-temperature protection.

In summary, the ACT111AUS-T is an advanced system level power management IC that is specifically designed for driving arrays of high-power LEDs. This versatile device is ideal for applications such as stairways, back lit displays and other lighting designs. It is based on a patented adaptive current-control architecture, which allows the output current to be regulated according to the changes in the ambient temperature and provides superior EMI performance, high thermal efficiency and fast response time. Additionally, the device also offers built-in OVP and over-temperature protection.

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