Infineon LED Driver IC family covers broad application power range

Infineon LED Driver IC family covers broad application power range

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By eeNews Europe

The ILD series include LED driver ICs with integrated power stage as well as with external MOSFET achieving up to 98% driver efficiency across a wide range of general lighting applications, including MR16 halogen retrofits, residential and commercial luminaires, architectural lighting and street lamps. In addition to high output current range Infineon’s ILD family provides high flexibility to customers by two different dimming methods, analog and PWM (Pulse Width Modulation) dimming. Besides the wide spread over-current protection the ILD drivers offer an over-temperature protection that is tailored to protect the LEDs and the LED driver IC from thermal overstress delivering the maximum possible operating life of the LED lamps and LED fixtures.

With the ILD family Infineon can address LEDs for all power ranges including from low-power to ultra-high-power applications, the company said.

According to Infineon, the ILD devices achieve high cost effectiveness because they have been designed for specific LED currents or applications. As an example, the ILD2035 has been designed for MR16 lamps with 1 W LEDs. Another example is the ILD4001, where the features and protection functions are included into a stand-alone LED controller and an external MOSFET is used as a power stage. Three devices – ILD4001, ILD4035 and ILD2035 – will be available in SC-74 package with very small form factor and the fourth device – ILD4120 – comes in DSO-8 package with exposed pad.

The ILD family includes wide input voltages, from 4.5 V to 42 V for ILD4001 and 4.5 V to 40 V for ILD4035 and ILD4120 providing the flexibility to be used with most of the standard power supplies. Dimming can be implemented using PWM managed by a microcontroller or alternatively by analog control voltage.

All of the ILD series devices are available today in sample quantities and as demonstration board starter kits, with production ramp starting now. As a pricing example, the ILD4035 device (350mA output, SC-74 package) is US Dollar 0.60 for 10,000 pieces.

Further information on Infineon’s LED Driver ICs is available at

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