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.
|3.8 W Two Output Supply|
|1.2 W Two Output Power Supply with Positive or Negative Outputs||RDK-138|
|Auxiliary Power Supply (Buck, 12 V/80 mA, 3.3 V/70 mA)|
|Variable Speed DC Motor Drive (35 W, 75 W Peak)||RDK-128
|Auxiliary Power Supply to Drive IGBT 1200 V Modules (3 W Flyback)|
|Auxiliary Power Supply for Motor Control Board (1.6 W Flyback)|
|Auxiliary Power Supply to Drive IGBT 600 V Modules (2 W Buck)||
Recommended Product Families
|Design Guides||Typical Circuit
|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™||AC Power Supply||NA||Easy to use device for reducing standby mode power by eliminating power losses from X capacitor discharge resistors|
|LinkSwitch™-CV||Flyback||Up to 8.5 W||Tight CV, primary side control, capable of exceeding all energy efficiency specifications|
||Flyback||12 W to 177 W||Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies|
|LinkSwitch™-TN||Buck||Up to 360 mA||Energy-efficient capacitive drop replacement with minimal external component required|
|LinkSwitch™-XT||Flyback||Up to 6 W||Low cost linear replacement with Clampless™ technology (LNK362)|
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|
|AC-DC Selector Guide|
Energy Saving Initiative in Electrical Motors
Contact your local Power Integrations Sales Representative or Distributor for assistance.