IRAM256-2067A2

Power Driver Modules Overview

The IRAM256-2067A2 is a 3-phase Integrated Power Module (IPM) designed for appliance motor drives. It integrates low VCE(on) Trench IGBTs with a high-speed driver in an isolated package. Key electrical parameters include a 600V blocking voltage, 20A RMS phase current at 25°C case temperature, and 450V maximum positive bus input voltage. The module features 2000VRMS isolation, a CTI greater than 600, and supports PWM carrier frequencies up to 20kHz. It includes built-in under-voltage lockout, over-current protection via the ITRIP pin, and a precision NTC temperature monitor.

Power Driver Modules Feature Summary

• Integrates gate drivers, bootstrap diodes, and cross-conduction prevention logic within a single isolated package.
• Features low VCE(on) Trench IGBT technology for improved efficiency and reduced switching losses.
• Includes comprehensive protection mechanisms such as undervoltage lockout, short-circuit safe operating area support, and fault shutdown capabilities.
• Provides a built-in high-precision temperature monitor and open emitter pins for advanced current sensing applications.

Power Driver Modules Applications

• Energy efficient Air Conditioner compressor drives
• Washing Machine motor control systems
• Appliance motor drive applications requiring compact AC motor-driver solutions

Power Driver Modules Procurement Notes

Verify component authenticity through authorized Infineon or International Rectifier distributors. Confirm datasheet revision status and check for end-of-life notices, as this part may be discontinued. Ensure thermal interface material specifications match the required Rth(J-C) values for proper heat dissipation during installation.

Power Driver Modules Selection Notes

Select based on required RMS phase current and maximum DC bus voltage compatibility. Evaluate thermal management requirements against the specified maximum case temperature of 125°C. Consider the need for external current sensing due to open emitter pins and verify that the controller logic levels are compatible with the 3.3V Schmitt-triggered inputs.

Power Driver Modules Part Context

This component belongs to the IRAM256 series of integrated power modules originally developed by International Rectifier, now part of Infineon Technologies. The series targets high-performance, space-constrained motor drive applications where isolation and integrated protection are critical design factors.

Power Driver Modules Replacement Considerations

IRAM256-2067A is the base part number with identical electrical characteristics but different pin option configuration.

Power Driver Modules FAQ

What is the function of the ITRIP pin?

The ITRIP pin serves as the over-current protection input. When triggered, it initiates a shutdown sequence to protect the IGBTs from damage due to excessive current.

How does the module handle short-circuit conditions?

The module supports a Short Circuit Safe Operating Area (SCSOA), allowing it to withstand short-circuit currents for a limited duration (e.g., 5µs at 25°C) before the protection circuitry shuts down the switches.

What is the purpose of the open emitter pins?

The open emitter pins (VRU, VRV, VRW) allow for direct connection to external current sense resistors, enabling precise phase current monitoring for advanced motor control algorithms.