APTGF75DSK120TG

Overview

The APTGF75DSK120TG is a dual buck chopper NPT IGBT power module manufactured by Microchip Technology. It features a collector-emitter breakdown voltage of 1200 V and a continuous collector current rating of 75 A at Tc = 80°C, with a pulsed current capacity of 150 A. The device utilizes an SP4 package and includes an integrated internal thermistor for temperature monitoring. Electrical characteristics include a maximum gate-emitter voltage of ±20 V and a maximum power dissipation of 500 W at Tc = 25°C. The module provides an RMS isolation voltage of 4000 V between terminals and the case, operating within a junction temperature range of -40°C to 150°C.

Feature Summary

• Non-Punch Through (NPT) Fast IGBT technology designed for low voltage drop and low tail current.
• Kelvin emitter configuration included to facilitate easy drive circuit connections.
• Symmetrical design with dedicated lead frames for power connections to achieve very low stray inductance.
• Integrated internal thermistor enables direct temperature monitoring capabilities.

Applications

• AC and DC motor control systems
• Switched Mode Power Supplies (SMPS)
• Dual Buck Chopper circuits

Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors or official channels. Confirm that the specific revision matches project requirements, as datasheets may undergo updates. Ensure proper electrostatic discharge handling procedures are followed during storage and installation, as indicated in application note APT0502.

Selection Notes

Select this module for applications requiring high-frequency operation up to 50 kHz with soft recovery parallel diodes. Evaluate thermal management needs based on the specified junction-to-case thermal resistance values. Verify that the mounting torque aligns with the M5 screw specification of 2.5 to 4.7 N.m for secure heatsink attachment.

Part Context

This component belongs to the Microchip Technology IGBT modules category, specifically utilizing Silicon (Si) technology. It is part of the broader portfolio of discrete semiconductor modules designed for power electronics applications. The SP4 package outline defines its physical dimensions and mounting interface.

Replacement Considerations

Consult official Microchip Technology documentation for confirmed substitute part numbers. Cross-referencing requires matching electrical ratings, package type, and thermal characteristics to ensure functional compatibility without fabrication.

FAQ

What is the function of the internal thermistor?

The internal thermistor allows for direct temperature monitoring of the module, aiding in thermal management and protection strategies.

How does the Kelvin emitter benefit the drive circuit?

The Kelvin emitter provides a separate connection for the gate drive signal, minimizing noise interference from high-current switching paths and ensuring stable drive performance.

What is the maximum operating frequency supported by this module?

The module supports switching frequencies up to 50 kHz, facilitated by its Non-Punch Through (NPT) Fast IGBT technology and soft recovery parallel diodes.