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The world’s first Smart Power Module (SPM®) designed especially for driving
single-phase switched reluctance motors (SRM) for vacuum cleaners. Fairchild’s
SRM-SPM® integrates a high-voltage IC (HVIC) and low-voltage IC (LVIC),
IGBTs, fast recovery diodes and a thermistor in an ultra-compact (44mm
X 26.8mm) Mini-DIP package. This package features Direct Bonded Copper
(DBC) technology that significantly increases thermal performance. Compared
to typical discrete solutions, Fairchild’s FCAS50SN60 reduces power circuit
space by up to 40%, enabling designers to incorporate the controller into
the SRM assembly. This compact solution greatly reduces overall system
size while simultaneously enhancing reliability.
Product Offering
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Features
• 600V/50A rating asymmetric bridge converter.
• Low-loss efficient IGBTs and FRDs optimized for SRM drive
applications
• Single-phase IGBT asymmetric bridge converter including control
ICs for gate driving and protection
- 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)
• Single-grounded power supply and opto-coupler-less interface
due to built-in HVIC
• High-active input signal logic
• Isolation voltage rating of 2500Vrms/min
• Very low leakage current due to ceramic and DBC
substrate.
• Package designed to satisfy the basic creepage and clearance
spacing – UL certified No. E209204
Application Circuit
Example
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