AL8862SP-13 Integrated Circuits (ICs)

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LED Drivers

The AL8862SP-13 is a product from AMS Advanced Power Solutions. This driver is an LED driver for a range of automotive, architectural and industrial applications. The AL8862SP-13 is tailored for applications which require constant current or constant voltage LED drivers. It has a wide operating temperature range of -40oC to +125oC. The AL8862SP-13 can be used for driving LED string voltages from 12V to 65V. It can work at a wide-range of LED current from 50mA to 1000mA.

Application Fields

The AL8862SP-13 is used in a range of automotive, architectural and industrial applications. It is mainly used for automotive lighting applications in headlamps, fog lights, cornering lights, daytime running lights and position lamps. Also, it can be used in backlighting applications, including lighting systems on luxury vehicles, and in architectural lighting applications. Furthermore, this LED driver can work in industrial lighting applications, such as night lights, pathway lights and area lights.

Working Principle

The AL8862SP-13 works using pulse-width modulation (PWM) to control the current in the LED driver. It receives the input voltage from the DC/DC converter and is able to regulate the current at a range of levels from 10mA up to 1000mA. It can be programmed to run in either constant voltage or constant current modes. During the PWM phase, the device is enabled and at this time current is supplied to the LED string. This current is monitored via a sense resistor and when it reaches a certain level then the comparator output turns off the device for a predetermined time and the cycle starts again.

Applications Advantages

The AL8862SP-13 has several advantages when used in automotive and industrial application. Firstly, it helps to reduce system costs. This is due to the integrated high-speed power switches, which reduces the need for extra components. Secondly, it provides a wide range of LED current from 10mA to 1000mA; this ensures that the LED driver is suitable for a range of applications. Additionally, it is programmable, so a wide range of LED currents can be achieved to match different LED applications. This LED driver also offers protection against current over-loads, short circuit and open loads.

Conclusion

In conclusion, the AL8862SP-13 is a LED driver suitable for a range of automotive, architectural and industrial applications. This device helps to reduce system costs due to its integrated high-speed power switches and provides protection against over-load, short circuits and open loads. The AL8862SP-13 is programmed to run in either constant voltage or constant current modes making it suitable for a range of LED applications.

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