Fairchild Semiconductor Launches Industry's First SPM(R) Products for Driving Highly Efficient Two-Phase Switched Reluctance Motors

SAN JOSE, Calif.—(BUSINESS WIRE)—April 22, 2008— Fairchild Semiconductor (NYSE: FCS) introduces another industry innovation in SPM technology with the industrys first SRM-SPM power modules for driving two-phase switched reluctance motors (SRM) in small motor applications such as vacuum cleaners. Switched reluctance motors are an attractive alternative to AC drives due to their high efficiency. The small motor industry is migrating from single-phase to two-phase SRM motors due to their ability to startup under difficult load conditions and the lower components that these motors require. Each SRM-SPM module, FCAS20DN60BB and FCAS30DN60BB, integrates two HVICs, one LVIC, four NPT IGBTs, four fast recovery diodes (FRDs), two bootstrap diodes, a thermistor and various protection functions in a single package. By integrating 14 fully tested power components in a compact 45mm x 28mm SIP package, these products offer 40 percent space savings. This space conservation allows vacuum cleaner designers to incorporate the controller into the SRM assembly, and also improves design productivity and manufacturability. System reliability is further enhanced by incorporating protection features such as under-voltage lock-out and short circuit protection into this thermally efficient package.

Fairchild continues to provide cutting-edge, efficient solutions that innovate todays electronics. These SPM power modules for two-phase switched reluctance motors are an example of how Fairchild provides solutions that deliver excellent performance, while minimizing design and manufacturing time, said Taehoon Kim, vice president of Fairchilds Functional Power Solutions.

The SRM-SPM products offer the following key features:

-- Low-loss, efficient IGBTs and FRDs meet low electromagnetic interference (EMI) requirements.
-- Built-in HVICs offer a single-grounded power supply, which simplifies designs.
-- Built-in bootstrap diodes reduce external component count and simplify circuit layout.
-- Built-in HVIC/LVIC offers high noise immunity and protection functions.
--High-side: Control circuit under-voltage (UV) protection (without fault signal output).
--Low-side: UV and short-circuit (SC) protection through external shunt resistor (with fault signal output).
-- SIP package provides extremely low thermal resistance and space savings.

-- 1500VRMS/min isolation voltage rating and very low leakage current improve safety.

Fairchild Semiconductor offers a full line of highly integrated smart power modules that provide efficient motor control for a wide range of energy-restricted applications. For more information, visit: http://www.fairchildsemi.com/spm

The FCAS20DN60BB and FCAS30DN60BB utilize lead-free (Pb-free) terminals and have been characterized for moisture sensitivity in accordance with the Pb-free reflow requirements of the joint IPC/JEDEC standard J-STD-020. All of Fairchild's products are designed to meet the requirements of the European Union's Directive on the restriction of the use of certain substances (RoHS).

Price (each, 100 pcs):

US$ 16.38 - FCAS20DN60BB (600V/20A)
US$ 17.94 - FCAS30DN60BB (600V/30A)


samples available now


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