AS1390B-BSOT-500

The AS1390B-BSOT-500 is a type of LED Driver, which is part of the Power Management and Integrated Circuits (PMIC) family. LED Drivers are single-chip devices that convert a high-power, Direct Current (DC) input into regulated current and/or voltage outputs. This type of driver is suited for applications including automotive, home appliances, and mobile device applications, such as providing backlight for LCDs.

Application Field

The AS1390B-BSOT-500 is designed to be used in low-power applications and advanced lighting applications. It features a low quiescent current of 6.5  µA, switch overvoltage protection, and programmable slope control. This type of LED Driver can be used in small and large applications, making it easy to integrate into any type of PCB design. In addition, this LED Driver can be used in automotive, home appliance, and mobile device applications, such as LCD backlight.

In automotive applications, the AS1390B-BSOT-500 can be used for additional interior lighting, such as LED headlights, LED turn signals, LED taillights, and LED fog lights. This LED Driver uses a wide input voltage range and can protect against over voltage and short circuit conditions. In home appliance applications, this LED Driver can be used in small appliances such as toasters, coffee makers, and vacuum cleaners. It can also be used in larger appliances such as refrigerators, freezers, and washers/dryers. In mobile device applications, the AS1390B-BSOT-500 can be used to provide efficient backlight to LCD displays, making it suitable for smartphones, tablets, and automotive displays.

Working Principle

The working principle of the AS1390B-BSOT-500 is based on two stages: power conversion and output control. During the power conversion stage, the input voltage is converted from a high-power DC supply to regulated DC outputs. The regulated DC outputs is then used to provide the power for the device. During the output control stage, the outputs are regulated and adjusted according to the programming provided. This type of LED Driver uses a wide range of programmable modes, including constant current, constant voltage, and dimming. This allows the user to adjust the brightness and power of the LED accordingly.

The AS1390B-BSOT-500 is designed to provide reliable performance, efficient operation, and excellent heat dissipation. It features a built-in thermal protection system that prevents over-heating, under-voltage, and over-current conditions. In addition, it features an over-temperature protection circuit that will shut down the device and protect it from overheating. This LED Driver also features a soft-start circuit that ensures a smooth, gradual output. Additionally, this LED Driver has a wide temperature range, making it suitable for applications in extreme environments.

The AS1390B-BSOT-500 LED Driver is suitable for a variety of applications. It is a cost-effective solution for power management, making it an ideal choice for automotive, home appliance, and mobile device applications.