The PS21997-AT is an intelligent power module (IPM) manufactured by Mitsubishi Electric. It's designed for driving motors in various applications requiring efficient and reliable power control. This IPM integrates power devices, drivers, and protection circuitry into a single package, simplifying the design and assembly of motor drive systems.

Applications

• Air Conditioners
• Washing Machines
• Refrigerators
• Industrial motor drives
• Servo drives

Features

• Integrated gate drivers
• Built-in bootstrap diodes
• Overcurrent protection
• Short-circuit protection
• Undervoltage lockout protection
• Input interface compatible with CMOS/LSTTL
• Low thermal resistance
• Compact package

Benefits

• Simplified system design: The integrated design reduces the number of external components required, simplifying the overall system design and reducing board space.
• Improved reliability: Built-in protection features enhance the reliability of the motor drive system by preventing damage from overcurrent, short-circuits, and undervoltage conditions.
• Increased efficiency: The low thermal resistance of the IPM allows for efficient heat dissipation, resulting in improved energy efficiency.
• Reduced cost: The integrated design and simplified assembly process can lead to reduced overall system cost.
• Enhanced performance: Precise gate control of the power devices ensures optimal motor performance and smooth operation.

Additional Details

The PS21997-AT typically operates with a supply voltage range of 300V to 450V. It integrates IGBTs (Insulated Gate Bipolar Transistors) for the power switching devices and includes diodes for freewheeling. The internal structure is designed to minimize stray inductance, which improves switching performance and reduces voltage overshoot. The package is typically a molded type designed for easy mounting and efficient heat sinking. Detailed electrical characteristics, such as switching times, saturation voltages, and leakage currents, are available in the manufacturer's datasheet.