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RHEA Evaluation Kit Now Available from CISSOID

Thu, 06/23/2011 - 11:12am
CISSOIDCISSOID announces an Evaluation Kit for CHT-RHEA, the company’s high-temperature and high-reliability isolated data transmission integrated circuit, guaranteed for reliable operation from -55°C to +225°C. The CHT-RHEA is a dual channel, full duplex transceiver (2 transmit and 2 receive channels). The Evaluation kit implements, on a small 2 x 1.8 inches PCB, two instances of CHT-RHEA (one for the primary side and one for the secondary side) together with 4 tiny pulse transformers. It achieves a galvanic isolation of 2.5kV, a data rate of up to 2Mb/s with transmission delays lower than 100ns over the full chain.

The solution offers state-of-the-art digital signal isolation and it will advantageously replace opto-couplers in applications involving extreme temperature conditions. CHT-RHEA is a versatile component which can be used anywhere there is a need to transmit a digital signal through a galvanic isolation barrier. At conventional temperatures, RHEA will ensure outstanding reliability and lifetime of the system compared to other existing solutions.


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Applications include isolated gate drivers for power transistors, IGBTs and Silicon Carbide (SiC) switches, but also isolation of industrial busses, A-D converters and sensor interfaces.

The Evaluation Board is built from a 200°C polyimide PCB, and it is populated with two CHT-RHEA integrated circuits in ceramic packages guaranteed for -55°C up to +225C. The board supports short excursions to +200°C~225°C for testing. The Evaluation Kit includes the Evaluation Board, the complete electrical schematic, the Gerber files, the bill of materials and an Application Note.

The Evaluation Kit RHEA, referenced EVK- TIT6443 is available now, priced at $3,360. The integrated circuit CHT-RHEA is available now for sampling and evaluation. Pricing starts at $232.99/unit up to 200 units in CSOIC ceramic package. The circuit is also available in plastic SOIC package, for maximum temperature of 175°C, under the reference CMT-RHEA. For more information, visit www.cissoid.com or contact the company's representatives at www.cissoid.com/company/about-us/contacts.html. 
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