HLMP-EG30-K0000

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LED indications - discrete are used in many electronics applications to provide visual feedback of the current state of a system, or to act as a status indicator. HLMP-EG30-K0000 is an LED discrete indicator solution from Avago Technologies. It combines the longevity and reliability of a GaN-based LED with a RoHS-compliant 4.0 mm x 4.0 mm package.

Package Details

The HLMP-EG30-K0000 is shipped in a clear, 4.0 mm x 4.0 mm package. This package is designed for surface mount applications and is compliant with JEDEC standard hand soldering processes. The package is made up of a clear epoxy resin lens, designed to provide a good coupling of the LED light with the user’s substrate. The package is also resistant to corrosion, thermal shock and ultraviolet radiation.

LED Features

This high brightness LED combines the spatial uniformity and high efficiency of a GaN-based LED chip with a RoHS-compliant package. It has a forward voltage of 2.2V, with an operating temperature range of -40°C to +85°C. It has an ardor point of 85°C, and is rated with an insulation voltage of 2000Vrms.

The LED has excellent color uniformity, chip symmetricity, and has extremely low thermal resistance, providing higher brightness and heat dissipation. It also has strong ESD protection, and is highly reliable with a MTBF of >100K hours. The LED has a typical forward current of 20mA, providing high brightness output of 21mcd @ 20mA.

Applications

The HLMP-EG30-K0000 LED indicator is used in a variety of applications, such as:

• Indicators for consumer electronic products, such as TVs, gaming devices, computers and other digital displays
• Automotive indicators and dashboards
• Industrial equipment and home appliance indicator lights
• Medical devices

Working Principle

The HLMP-EG30-K0000 uses a charge pump and an integrated circuit (charge pump IC) to provide an output driver current of up to 20mA from a single cell supply. This solution eliminates the need for additional components, and is capable of driving the LED to its full brightness. The charge pump IC is comprised of two power transistors, two capacitors and a voltage reference.

The two power transistors are coupled in series, and constitute a switching configuration. The two capacitors act as a charge pump, and they provide the necessary current to drive the LED. Finally, the voltage reference controls the switching frequency and the conduction parameters of the transistors.

Conclusion

The HLMP-EG30-K0000 is a versatile LED discrete indicator solution designed for a variety of applications. It has superior color uniformity and reliability, and its package size allows it to be used in a wide range of applications. The combination of a GaN-based LED chip, RoHS-compliant package and integrated charge pump IC makes it a perfect solution for any indoor or outdoor indication requirement.

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