AL5809-30QP1-7 Integrated Circuits (ICs)

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The AL5809-30QP1-7 is a LED driver in the Power Management Integrated Circuit (PMIC) family. It is specially designed for Power LEDs in various lighting applications, such as indoor and outdoor lighting.

The AL5809-30QP1-7’s main components are P-Channel MOSFETs, Metal-Oxide-Semiconductor (MOS) transistors, low power Schottky diodes, and integrated controllers. It works as a three-stage switch-mode regulator and provides constant output current for various operating conditions.

Application Field

The AL5809-30QP1-7 is mainly used in lighting applications, such as indoor and outdoor lighting, automotive, emergency and specialty lighting. It is also used in backlighting applications in mobile phones, TVs, and other portable devices, as well as in industrial and automotive products. It provides a great solution for versatile lighting applications with its maximum output current up to 30A.

Working Principle

The AL5809-30QP1-7 works as a three-stage switch-mode regulator. Its main features include constant-current mode and adaptive-emission-current mode. In constant-current mode, the driver controls the output current regardless of any changes in the input voltage. The adaptive-emission-current mode controls the output power of the LED, taking into account the efficiency of the LED itself. In this mode, it works intelligently, with a fast response time of 125ns. The driver also supports various selection modes, such as ON/OFF control, temperature sensing, and thermal limit protection.

The AL5809-30QP1-7 also has a very low input voltage range of 8 - 40V, making it suitable for applications in many different environments. Additionally, it has an internal current limit of up to 1.2A and an adjustable output current range of 1A - 30A. The driver is also equipped with an over-temperature protection feature, which shuts off the driver if the temperature exceeds the set limit, helping to ensure long life and reliable operation.

Conclusion

The AL5809-30QP1-7 LED driver constantly provides stable output current for LED lighting applications, making it a great solution for both indoor and outdoor lighting applications. It also has a wide range of features to ensure reliable operation, including temperature sensing, current limits and thermal protection. Finally, its low input voltage range of 8 - 40V makes the AL5809-30QP1-7 an ideal choice for a wide range of applications.

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