Cirrus Logic CS1500 / CS1600 Digital PFC Controller ICs

Low-cost Digital PFC Controllers

The Cirrus Logic CS1500 and CS1600 are the first digital power factor correction (PFC) controller ICs that surpass analog PFCs on performance and price. These Cirrus Logic PFC controller ICs offer designers improved performance and simplified designs compared to legacy analog PFC products. The CS1500 is designed for power supply uses while the CS1600 is ideal for lighting ballast systems. These Cirrus Logic digital PFC controller ICs feature the new EXL Core™ architecture, giving the devices the advantage over analog products of being able to intelligently solve increasingly complex power management challenges. The CS1500 and CS1600 have patent-pending digital noise shaping technology that enables reduced-sized EMI filters and cuts the need for additional high-priced components and circuitry. These digital PFC controller ICs improve energy efficiency across all load conditions with a distinct performance advantage in light load conditions.

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CDB1500 Demo Board

The CDB1500 board demonstrates the performance of the CS1500 digital PFC controller with a 90W output at a link voltage of 400 volts.

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CDB1600 Demo Board

The CDB1600-120W board demonstrates the performance of the CS1600 digital PFC controller as a standalone unit. This board is 95% efficient at full load, and has been tailored for use with a resonant second stage to power up to two T5 fluorescent lamps for a maximum output power of 108W.