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CableCard power controller suits high-volume apps

Posted: 29 Oct 2007 ?? ?Print Version ?Bookmark and Share

Keywords:CableCard 2.0? power controller? DTV? HDTVs?

Micrel Inc. has launched the MIC2569YQS, a CableCard 2.0 Power Controller designed for use in CableCard applications. The new addition to Micrel's family of mixed-signal products, the device is suited for high-volume CE makers of digital cable receivers, DTV/HDTVs, digital DVR STBs and digital satellite receiver applications.

"Micrel's CableCard 2.0 Power Controller has received wide customer acceptance and is the only all-in-one IC CableCard 2.0 Power Controller solution available today," said John Lee, director of mixed signal products at Micrel. "In addition, a major STB manufacturer has received a coveted CableLabs certification in both dual S-Mode and M-Mode DVR for a STB containing the Micrel device. This is the only STB to-date to receive such a certification."

MIC2569YQS is designed to supply power to CableCard 2.0 cards in CableCard host systems. The device supports both S-Mode (Single Stream Video) and M-Mode (Multiple Stream Video) through a simple-to-control parallel interface. All voltage switching is soft-start at turn-on and break-before-make when changing between different voltage supplies. Output capacitors may be discharged during internal shunting of FETs. Built-in current limiting protects both VCC and VPP output lines of the host system from card faults and accidental short circuits. The device also provides a FAULT/signal to indicate that an over-current or fault condition exists and is equipped with internal thermal monitoring circuitry to protect the device itself in the event of a sustained over-current condition.

MIC2569YQS is available in 16-pin QSOP packages. The device is currently available in volume quantities and is priced at $3.31 for 1,000 quantities. A free evaluation board is also available.




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