PLED96W-027

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LED Drivers use a constant current source to control the current in a circuit, such as a light emitting diode (LED). The PLED96W-027 Driver is a low-cost, advanced and reliable LED driver designed to operate in a range of automotive applications.

Features

The PLED96W-027 is designed with an integrated, step-down voltage regulator, which allows it to operate at 36V input voltages, reducing the need for a separate power supply. The device is housed in a lightweight, compact and durable plastic package. It features a low power consumption of up to 0.25W, a low quiescent current of just 2µA and an average efficiency of up to 95%.

In addition, the driver offers high power densities up to 1W/mm² and is equipped with over-temperature, short-circuit and intermittent fault protection. The device’s low profile design enables it to fit into tight spaces allowing for easy installation.

Application Fields

The PLED96W-027 is well suited for automotive interior lighting applications such as interior cabin lighting, footwell lighting, side indicator lighting and instrument panel lighting. In addition, the driver is suitable for a range of exterior lighting applications including rear combination lamps, turn indicator lighting, fog lights, headlamps and DRLs.

Working Principle

The PLED96W-027 is a buck converter, meaning it is able to convert a higher fixed DC level to a lower DC level. This is done by varying the amount of time the current moves through the switch, while keeping the average current constant. The switching frequency of the driver is 26 kHz, with an adjustable current output range of 10mA to 350mA, allowing for accurate and reliable dimming control. The driver is designed to be easy to set with easy to use external resistors.

The driver utilizes its step-down voltage regulator to convert a 36V automotive input voltage to a 12V to a 24V regulated output voltage. This ensures the power supply is stable, with minimal voltage drops, even at light load conditions. The PLED96W-027 also features a built-in thermal protection that shut off the power stage when harmful temperature conditions occur.

Conclusion

The PLED96W-027 is a low-cost, advanced and reliable LED driver suitable for a wide range of automotive lighting applications. The device is housed in a lightweight package, with an integrated step-down voltage regulator, low power consumption, adjustable current output and high related power densities.

In addition, the driver has built-in over temperature, short-circuit and intermittent fault protection to protect its components from abnormal voltage events. With its easy to set external resistors and low profile design, the PLED96W-027 is perfect for a range of automotive lighting applications.

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