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MSK4322 Datasheet(PDF) 1 Page - M.S. Kennedy Corporation |
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MSK4322 Datasheet(HTML) 1 Page - M.S. Kennedy Corporation |
1 / 6 page 4707 Dey Road Liverpool, N.Y. 13088 (315) 701-6751 MIL-PRF-38534 QUALIFIED FEATURES: 200V, 20 Amp Capability Ultra Low Thermal Resistance - Junction to Case - 1.0°C/W (Each MOSFET) Self-Contained, Smart Lowside/Highside Drive Circuitry Under-Voltage Lockout, Internal 2µS Deadtime Capable of Switching Frequencies to 25KHz Isolated Case Allows Direct Heat Sinking Case Bolt-down Design Allows Superior Heat Dissipation DESCRIPTION: The MSK 4322 is a 20 Amp, 3 Phase Bridge Smart Power Motor Drive Hybrid with a 200 volt rating on the output switches. The output switches are power MOSFETs with intrinsic fast-recovery diodes for the free- wheeling currents of motor drives. This new smart power motor drive hybrid is compatible with 5V CMOS or TTL logic levels. The internal circuitry prevents simultaneous turn-on of the in-line half bridge transistors with a built-in 2µS deadtime to prevent shoot-through. Undervoltage lockout shuts down the bridge when the supply voltage gets to a point of incomplete turn-on of the output switches. The internal high-side boot strap power supply derived from the +15 volt supply completely eliminates the need for 3 floating independent power sup- plies for the high-side drive. Current sense circuitry is provided to sense current from an external resistor to shut down the bridge for overcurrent. ISO-9001 CERTIFIED BY DSCC PRELIMINARY Rev. A 6/00 TYPICAL APPLICATIONSPIN-OUT INFORMATION TYPICAL APPLICATIONS PIN-OUT INFORMATION 3 PHASE SIX STEP DC BRUSHLESS MOTOR DRIVE OR 3 PHASE SINUSOIDAL INDUCTION MOTOR DRIVE EQUIVALENT SCHEMATIC M.S. KENNEDY CORP. 1 2 3 4 5 6 7 8 9 10 VCC AØHIN BØHIN CØHIN AØLIN FAULT CØLIN BØLIN VSS ITRIP 20 19 18 17 16 15 14 13 12 11 N/C AØ V+ N/C N/C BØ N/C N/C CØ COM 1 M.S.KENNEDY CORP. 4322 20 AMP, 200 VOLT MOSFET SMART POWER 3-PHASE MOTOR DRIVE POWER HYBRID |
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