Infineon Technologies IM323M6GXKMA1

Overview

IM323M6GXKMA1 from Infineon is a fully isolated 600 V reverse-conducting IGBT-based CIPOS™ Tiny intelligent power module for three-phase motor control, integrating six IGBTs, rugged SOI gate drivers, bootstrap circuitry, overcurrent shutdown (ITRIP), undervoltage lockout, and an integrated NTC thermistor. It supports open-emitter phase current sensing and operates with −11 V allowable negative VS potential at VBS = 15 V. Used in variable-speed air conditioning and refrigerator compressor drives.

For engineers reviewing the IM323M6GXKMA1 datasheet, IM323M6GXKMA1 pinout, IM323M6GXKMA1 application, or IM323M6GXKMA1 equivalent, key selection criteria include 600 V blocking voltage, ±10 A continuous collector current, isolated DIP-26 package with thermal vias, fault-output (VFO) behavior, and bootstrap-enabled high-side drive compatibility with 3.3 V logic controllers.

Technical Context

The IM323M6GXKMA1 integrates six reverse-conducting IGBTs with matched SOI gate drivers in a single fully isolated DIP package, enabling compact three-phase inverter topologies without external freewheeling diodes. Its high-side floating supplies (VB/VS per phase) support bootstrap operation up to 600 V offset, with −50 V transient robustness on VS pins.

Control logic includes cross-conduction prevention with 360 ns minimum deadtime, fast-track shutdown (low-side off ~200 ns before high-side), and fault latching via ITRIP (0.525 V threshold, 530 ns noise filter). Sleep mode activation requires re-triggering after fault-clear time ≥100 µs.

Key Specifications

Pinout & Package

Fully isolated Dual In-Line molded module (DIP-26), 33 mm × 19 mm footprint, lead-free and RoHS-compliant, with internal thermal vias and electrical isolation barrier rated to 2000 V RMS.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar three-phase inverter applications.

Compared with FSA1200S33 and IRSM8364MPBF, IM323M6GXKMA1 uniquely combines 600 V RC-IGBTs, integrated SOI drivers, open-emitter sensing, and −50 V VS robustness in a single isolated DIP package - offering the highest integration level for industrial-grade variable-speed motor drives below 1.5 kW.

Availability

IM323M6GXKMA1 is available at Aetrix Electronics and suitable for air conditioning compressor drives, refrigerator fan motors, and small industrial pump drives requiring stable component supply, long-term lifecycle support, and certified industrial qualification.

Supply support for IM323M6GXKMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive microcontrollers, and industrial power devices, with global manufacturing and qualification infrastructure.

The CIPOS™ Tiny product line delivers highly integrated, isolated intelligent power modules targeting cost- and space-constrained variable-speed motor drives in home appliances and light industrial equipment.

FAQ

What is the maximum allowable DC bus voltage for IM323M6GXKMA1?

The absolute maximum DC link voltage between P and N is 450 V under normal operation, with a surge rating of 500 V for ≤10 ms. Exceeding 450 V continuously risks exceeding the 600 V V_CES rating of internal IGBTs and may trigger overvoltage-related failure modes.

How does the ITRIP pin interface with external current sensing?

The ITRIP pin accepts a voltage signal referenced to VSS, with a fixed 0.525 V (typ.) threshold. It connects directly to the output of a current-sense amplifier whose gain scales shunt voltage to match this threshold at the desired overcurrent limit - e.g., a 5 mΩ shunt with 100× gain yields trip at 10 A.

Can IM323M6GXKMA1 operate with 3.3 V microcontroller logic levels?

Yes - all HIN and LIN inputs are Schmitt-triggered and compatible with 3.3 V CMOS/TTL logic. Internal 5 kΩ pull-down resistors ensure defined states at power-up, and input noise filters reject pulses shorter than 1 µs, supporting robust interfacing with modern low-voltage MCUs.

What thermal data is available for heatsink design?

The datasheet specifies R_thJC = 1.2 K/W (junction-to-case) and defines TC measurement point at the center of the bottom ceramic substrate. For 10 A continuous operation, junction temperature must remain ≤150 °C - requiring a heatsink that maintains case temperature ≤125 °C under worst-case ambient and airflow conditions.