Eclipse Authors: Pat Romanski, Elizabeth White, Liz McMillan, David H Deans, JP Morgenthal

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Fairchild’s New SPM® Smart Power Modules Deliver Industry-Leading Efficiency

Worldwide, small electric motors – like those in dishwashers, air conditioners and fans – account for up to 50 percent of total global energy consumption. With growing consumer demand for these appliances, power management solutions that maximize efficiency are a necessity for a greener and better future.

To help designers meet these needs, Fairchild developed the FSB70xxx series of advanced Motion SPM® 7 modules. Targeting small power motors under 100 W, these modules deliver industry-leading light-load efficiency (up to 44% better than the leading competition), robust on-module protection, and superior thermal efficiency up to 12% better from junction to case.

Additionally, the FSB70xxx series integrates an optimized gate driver for the built-in MOSFETs (using FRFET® technology) to minimize EMI and losses, while also providing multiple on-module protection features including under-voltage lockouts, thermal monitoring, fault reporting and interlock function.

“The FSB70xxx series enables a simple, compact, high performance, and more reliable system design for small-sized motor control,” said SI Yong, Director, Motion Control System Team at Fairchild. “It is available in a high-performance PQFN package that can save up to 50 percent of board space, critical in space-constrained applications.”

A free online loss calculation tool allows engineers to quickly see how these advantages will improve their design.

Key Features:

  • Fully-featured, high-performance inverter output stage for AC induction, brushless DC (BLDC) and permanent magnet synchronous motors (PMSM)
  • Optimized for Low Electromagnetic Interference
  • HVIC Temperature-Sensing Built-In for Temperature Monitoring
  • Separate Open-Source Pins from Low-Side MOSFETs for Three-Phase Current-Sensing
  • Active-HIGH Interface, Works with 3.3 / 5 V Logic, Schmitt-trigger Input
  • HVIC for Gate Driving with Under-Voltage Protection and Interlock Function
  • Isolation Rating: 1500 Vrms / min.
  • Moisture Sensitive Level (MSL) 3
  • UL Certified No. E209204 (UL1557)
  • RoHS Compliant


  • Air conditioner indoor / outdoor fans
  • Dishwashers
  • Pedestal fans / ceiling fans
  • Small pumps
  • Small power AC motor drives
Price:               Availability:       Delivery:
in 1,000 quantity pieces       FSB70250: US $4.55       Samples available upon request       6-10 weeks ARO
in 1,000 quantity pieces       FSB70325: US $3.98       Samples available upon request       6-10 weeks ARO
in 1,000 quantity pieces       FSB70625: US $4.25       Samples available upon request       6-10 weeks ARO

Related Links:








Product Folders:







Application Notes:

AN-9077: Motion SPM® 7 Series User’s Guide


AN-9078: Surface Mount Guidelines for Motion SPM® 7 Series


For more information, visit our website at www.fairchildsemi.com. Become an “insider,” sign up for MyFairchild to receive the latest news on power semiconductor developments at Fairchild.

About Fairchild Semiconductor:

Fairchild has a rich history as a pioneer in the semiconductor industry and that pioneering spirit endures today. In an era where diversity can dilute focus and hamper innovation, we specialize in the development and manufacturing of a complete portfolio of low- to high-power solutions for the mobile, industrial, cloud, automotive, lighting, and computing industries. Fairchild is one of the most reliable partners in the industry, offering the shortest time from concept to silicon, expert FAEs for customer support, and a flexible, multi-source supply chain. Our vision is clear – anticipate the power efficiencies demanded by tomorrow’s electronic products and deliver an amazing design experience.

Delivering this vision is Fairchild’s way of making the world a cleaner and a better place. We accomplish this via a deeply human-centric approach: engage our employees, and strive to delight all our customers with great products at a fair price. If you use a smart phone, drive a car, own a modern appliance, or enjoy film animation you have experienced the power of Fairchild. Fairchild is unique in its deployment of design thinking in conceiving and delivering these advanced products. Our foundation is our guiding principles, which recognizes the inseparability of engaged employees and delighted customers, and encourages our employees to simplify, challenge, explore, play, excel, respect, go fast, and be direct. Please contact us on the web at www.fairchildsemi.com.

Connect with us on LinkedIn

Follow us on Twitter @FairchildSemi

Join the conversation! Check out the latest blogs from Fairchild at http://blog.fairchildsemi.com

Visit us on Facebook at http://www.facebook.com/FairchildSemiconductor

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