Motor Control Applications

Power Integrations offers a broad range of highly integrated, high-voltage ICs for auxiliary power supplies for motor control and small DC motor drives. Each IC includes a 700 V power MOSFET combined with control and protection circuitry on a single chip. Features include current limiting and thermal shutdown with automatic fault recovery capability to improve reliability, frequency jittering to reduce EMI, and EcoSmart® technology to dramatically reduce standby energy waste.

Typical Product ApplicationDesign
Ideas
Design
Example
Reports
Engineering
Prototype
Reports
Reference
Design
Kits
1.2 W Dual Output Power Supply with Positive or Negative Outputs Design Ideas are concise two-page documents describing a design for a specific application. RDK-138
Auxiliary Power Supply (Buck, 12 V/80 mA, 3.3 V/70 mA)Design Ideas are concise two-page documents describing a design for a specific application.   
Variable Speed DC Motor Drive (35 W, 75W peak)Design Ideas are concise two-page documents describing a design for a specific application. Design Ideas are concise two-page documents describing a design for a specific application.RDK-128
Auxiliary Power Supply to Drive IGBT 1200 V Modules (3W Flyback)Design Ideas are concise two-page documents describing a design for a specific application.   
Auxiliary Power Supply for Motor Control Board (1.6 W Flyback) Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.  
Auxiliary Power Supply to Drive IGBT 600 V Modules (2 W Buck) 
Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.
  

Product Families Used in These Applications

IC Product
Family
Typical Circuit
Configuration
Power/Current
Ratings
Description
TOPSwitch®-HXFlybackUp to 254 mAIncorporates a 700 V power MOSFET, high voltage switched current source, PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device
LinkSwitch®-TNBuckUp to 360 WEnergy-efficient capacitive drop replacement with minimal external component required
LinkSwitch®-XTFlybackUp to 6 W Low cost linear replacement with Clampless® technology (LNK362)
PeakSwitch®Flyback

Up to 127 W Peak

Specifically designed for Motor Drives, with capability to delivery up to 3 times maximum continuous output power, simple ON/OFF control (no loop compensation required), adaptive on-time extension minimizes bulk capacitor size.

 
TinySwitch®-IIIFlybackUp to 28.5 W

Improved design flexibility, reduced input capacitance and transformer size due to time extension and I2f ratings.

TOPSwitch®-GXFlybackUp to 210 W Maximum design flexibility and higher power ratings, external programmable current limit, under-voltage and over-voltage protection.

Related Design Support Documents

General Design Information
Design Guides
Product Datasheets AN-40LinkSwitch®-XT Design Guide
AC-DC Selector Guide AN-31LinkSwitch®-TN Design Guide
Package Information AN-41PeakSwitch™ Design Guide
Package Information AN-32TOPSwitch®-GX Flyback Design Methodology
  AN-43TOPSwitch®-HX Design Guide

Other Related Links

Power Integrations Introduces TinySwitch®-III Power Conversion IC Family

Magazines

Energy Saving Initiative in Electrical Motors

Useful Websites

Associations


Contact your local Power Integrations Sales Representative or Distributor for assistance.