IC saves space & reduces parts count for LED dimming

26th April 2016

Nat Bowers

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Datasheet

Infineon's LED lighting interface IC allows designers to replace many of the discrete components used in conventional dimming schemes with a single device. Therefore, the compact and highly integrated CDM10V can reduce the component count and PCB space needed for dimming circuitry in LED lighting applications by up to 70%.

Infineon’s CDM10V is hailed as the industry’s first single-chip lighting interface IC capable of transforming an analogue 0-10V input into a PWM or dimming input signal required by a lighting controller IC. The signal is delivered as 5mA optocoupler-ready PWM signal with 0 to 100% duty cycle.

The CDM10V can be used across a variety of different commercial and industrial LED lighting applications. This is enabled by one-time configuration of key parameters such as minimum duty cycle (1 to 10%), PWM output frequency (200Hz to 2kHz), dimmer/resistor bias current (50 to 500µA) and ‘dim-to-off’ functionality. Furthermore, with ‘dim-to-off’ enabled the IC also provides the option of accepting PWM input signals.

Supplied in an ultra-miniature 6-pin SOT package, the CDM10V is suited for use on small PCBs with high component densities. An 11-25V supply voltage ensures compatibility with all common LED lighting applications including luminaires, troffers, downlights, sconces, office lighting and signage. The CDM10V joins a comprehensive portfolio of Infineon devices – including driver ICs and MOSFETs designed to simplify and speed the design of LED lighting applications.

Volume production of the Infineon CDM10V starts in April 2016 and engineering samples, a demoboard and a configuration board are all available now.

Infineon will show the integrated LED lighting interface IC in its booth #6136 at the LIGHTFAIR, 26th to 28th April, 2016 in San Diego, California.