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LED lighting interface IC slashes component count, PCB space

Posted: 28 Apr 2016 ?? ?Print Version ?Bookmark and Share

Keywords:Infineon Technologies? PCB? LED lighting? interface? MOSFET?

Infineon Technologies AG has unleashed what it describes as a compact and highly integrated LED lighting interface IC that enables designers to replace many of the discrete components used in conventional dimming schemes with a single device. As a result, the CDM10V can reduce the component count and PCB space needed for dimming circuitry in LED lighting applications by up to 70 percent, stated the company.

Infineon's CDM10V is a single-chip lighting interface IC capable of transforming an analogue zero to 10V input into a PWM or dimming input signal required by a lighting controller IC. The signal is delivered as 5 mA optocoupler-ready PWM signal with zero 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 (50A to 500A) 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 ideally suited for use on small PCBs with high component densities. A supply voltage of 11V to 25V 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.

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