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IPMs condense motor drive electronics

Posted: 22 Feb 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Vince Biancomano? Powerex? PS22052-54? PS22056? intelligent power module?

Powerex's PS22052-54 and PS22056, a family of 1,200V intelligent power modules, provide a one-chip solution to the drive electronics required for small 460V, three-phase motors. The 1,200V series allows designers to reduce inverter size as well as overall design time in blower motor/HVAC, industrial and servo motor, pump and compressor, and robotics applications.

The DIP-IPMs, rated for 5-, 10-, 15- and 25A (basic collector current; actual output current to the motor legs depends on the application), integrate fourth-generation IGBTs, and an applications specific high-voltage IC (gate drive, level shifting and protection circuitry) in a dual-in-line transfer mold package measuring 79-by-44-by-8.2 mm. These modules feature direct connection to CPU, DSP, or MCU controllers, and open emitters for current sensing in each phase leg.

The modules carry an isolation rating (connection pins to heatsink) of 2,500V. The DIP-IPMs are priced from $33 to $55. Sample quantities are available from stock to 8 weeks.

- Vince Biancomano

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