AL8400SE-7 Integrated Circuits (ICs)

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The AL8400SE-7 LED driver is an integrated power management IC (PMIC) designed for driving high power LED applications. It is used for driving both high brightness LEDs (HBLEDs) and reverse conductive LED arrays. It offers the user efficient, fast, flexible and easy-to-use operation.

The AL8400SE-7 is a fixed frequency current mode, high performance, 5-channel LED driver. It integrates 5 low-side switches and 5 high-side mosfets into a single package, allowing it to drive high brightness, high current LED arrays. It has a built-in LED protection circuit, providing the user with efficient, safe and flexible LED drive operation. It also has soft start, over temperature protection and short circuit protection.

The working principle of the AL8400SE-7 is as follows. It is designed with a built-in PWM control circuit, which adjusts the brightness of the LED array. The output current is regulated by the external current setting resistor. The peak current of each LED channel is set independently to match the forward voltage of the LED. The LED brightness is adjustable and has a dimming ratio of 2:1. The built-in over current and over voltage protection feature helps protect the LEDs against any damage.

The AL8400SE-7 is suitable for a wide range of applications such as indoor/outdoor signage, architectural lighting, automotive, and video projection applications. The integrated power management IC is ideal for RGB and white LED applications, as well as applications requiring dimming control. The arrangement of integrated components ensures features such as improved efficiency, low EMI, fast ramp up time, and improved thermal performance.

The AL8400SE-7 provides a high level of integration and low power dissipation. Its adjustable output current and wide input voltage range makes it suitable for a variety of applications. It offers high efficiency, low-side switch protection, over temperature protection, over current protection, and can be used in harsh environment conditions. It has also been designed with low electromagnetic interference (EMI) performance.

In summary, the AL8400SE-7 is a PMIC suitable for both HBLEDs and reverse conductive LED arrays. It offers the user efficient, fast, and easy-to-use operation, with a wide range of applications for various LED configurations. The integrated LED protection circuit ensures efficient and safe LED drive operations, and the adjustable output current, wide input voltage range, and low power dissipation make it an ideal choice for LED applications.

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