28 AMP, 500 VOLT 3 PHASE BRIDGE SMART POWER HYBRID 4350
●DESCRIPTION:
■The MSK 4350 is a 28 Amp, 3 Phase Bridge Smart Power Hybrid with 500 Volt rated IGBT output switches. The output switches are IGBT's designed for fast switching characteristics. Because IGBT's have no intrinsic diode, a Fast Recovery Epitaxial Diode (FRED) has been selected as the free-wheeling diode used for inductive loads, such as motors. The FRED diode has a very soft recovery characteristic along with a good ultrafast recovery time. Merging these two devices for each switch makes for an ideal combination to drive induction or brushless DC motors, where switching times are very important for efficiency and low EMI (electromagnetic interference) from uncontrolled switching.
This new smart power motor drive hybrid has 5V TTL/CMOS or 15v CMOS compatible inputs with Schmitt triggered buffers for high noise immunity. Internal smart circuitry prevents simultaneous turn-on of in-line transistors,eliminating shoot-through. The circuitry contains an ENABLE pin for shutdown of the complete drive. Fault protection, in the form of short-circuit output and under-voltage lockout from the bias supply, prevents large scale catastrophic conditions. Dv/dt and di/dt limiting circuitry is also included to protect the switches and the hybrid.
The internal high-side power supply, derived from the +15 volt bias, completely eliminates the need for floating high side power supplies to be provided by the user. A unique feature of the convenient on-board supply is its ability to supply the high-side drive for the upper switch at DC output conditions without total dependency on output switching.
●FEATURES:
■500V, 28 Amp Capability
■Ultra Low Thermal Resistance - Junction to Case - 0.6℃/W
■Self-Contained, Smart Low Side/High Side Drive Circuitry
■Internal dv/dt and di/dt Control
■Internal Under-Voltage, Short-Circuit Protection
■Programmable 5V TTL/CMOS or 15V CMOS Inputs
■Capable of Switching Frequencies from DC to 20KHz
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/11/16 |
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Rev. A 6/00 |
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527 KB |
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