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.




Design Examples

Design Documents Design
Ideas
Design
Example
Reports
Engineering
Prototype
Reports
Reference
Design
Kits
3.8 W Two Output Supply Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.
1.2 W Two Output Power Supply with Positive or Negative Outputs Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout. 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, 75 W 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 (3 W 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.

Recommended Product Families

IC Product
Family
Design Guides Typical Circuit
Configuration
Power/Current
Ratings
Description
SENZero™ NA AC Power Supply NA Simple-to-use device that eliminates significant standby losses by disconnecting unused circuit paths during power-saving modes
CAPZero™ Product family application note. AC Power Supply NA Easy to use device for reducing standby mode power by eliminating power losses from X capacitor discharge resistors
LinkSwitch™-CV Product family application note. Flyback Up to 8.5 W Tight CV, primary side control, capable of exceeding all energy efficiency specifications
TOPSwitch™-JX
Product family application note. Flyback 12 W to 177 W Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies
LinkSwitch™-TN Product family application note. Buck Up to 360 mA Energy-efficient capacitive drop replacement with minimal external component required
LinkSwitch™-XT Product family application note. Flyback Up to 6 W Low cost linear replacement with Clampless™ technology (LNK362)
PeakSwitch™ Product family application note. 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™-III NA Flyback Up to 28.5 W

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



Related Design Support Documents

General Design Information
Product Datasheets
AC-DC Selector Guide
Package Information

Related Links

Magazines

Energy Saving Initiative in Electrical Motors

Useful Websites

Associations


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