Infineon Technologies IFCM20T65GDXKMA1

Overview

IFCM20T65GDXKMA1 from Infineon Technologies is a dual-phase interleaved Power Factor Correction (PFC) Intelligent Power Module integrating two 650 V / 20 A TRENCHSTOP™ 5 IGBTs, rapid-switching emitter-controlled diodes, SOI gate drivers, thermistor, and protection circuitry in a single DIP-24 package. It delivers 450 V DC-link output, supports up to 60 kHz PWM switching, and enables open-emitter current sensing for precise phase monitoring in industrial PFC stages.

For engineers reviewing the IFCM20T65GDXKMA1 datasheet, IFCM20T65GDXKMA1 pinout, IFCM20T65GDXKMA1 application, or IFCM20T65GDXKMA1 equivalent, key selection criteria include its 650 V blocking voltage, integrated overcurrent shutdown (ITRIP threshold = 0.47 V), fault output (VFO), NTC-based thermal monitoring, and dual-channel isolated gate drive with LSTTL/CMOS-compatible inputs.

Technical Context

This CIPOS™ module implements a two-phase interleaved PFC topology using discrete TRENCHSTOP™ 5 IGBTs and optimized emitter-controlled diodes, driven by rugged SOI-based gate drivers with built-in noise filtering (t_FILIN ≥ 1 µs) and Schmitt-trigger inputs. The architecture supports synchronous control of both phases with independent LIN(A)/LIN(B) inputs and shared fault signaling via VFO.

Protection functions are hardware-asserted: under-voltage lockout triggers at VDD < 10.4 V (VDDUV−), overcurrent detection uses a 0.47 V threshold on ITRIP with 530 ns noise immunity, and thermal monitoring is enabled via direct NTC access referenced to VSS. All outputs shut down simultaneously during fault events.

Key Specifications

Pinout & Package

The IFCM20T65GDXKMA1 is housed in a 24-pin Dual In-Line Package (DIP-24) with insulated baseplate for direct heatsink mounting and 2000 V_RMS isolation. Pin layout follows bottom-view orientation with dedicated high-side/low-side power and control terminals.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-phase interleaved PFC applications.

Compared with FSB50450, IFCM20T65GDXKMA1 delivers full dual-phase PFC integration with hardware fault response, while versus IFCM20G65GD it adds formal XKM-grade compliance documentation for regulated markets-enabling drop-in use where certification audit trails are mandatory.

Availability

IFCM20T65GDXKMA1 is available at Aetrix Electronics and suitable for industrial motor drives, server power supplies, renewable energy inverters, and EV charging stations requiring stable component supply and long-term lifecycle support.

Supply support for IFCM20T65GDXKMA1 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, and industrial control ICs, with leadership in silicon and wide-bandgap power devices.

The CIPOS™ product line targets high-efficiency, space-constrained power conversion systems-specifically engineered for integrated PFC, inverter, and motor control modules requiring robust isolation, thermal performance, and system-level protection.

FAQ

What is the maximum allowable DC-link voltage for IFCM20T65GDXKMA1?

The absolute maximum DC-link voltage between pins P and N is 450 V under continuous operation, with a non-repetitive surge rating of 500 V. Exceeding 450 V risks permanent damage to the integrated diodes and IGBTs, as confirmed by the Absolute Maximum Ratings table (page 7). Design margin should maintain ≤420 V nominal to accommodate transients and aging effects.

How is thermal monitoring implemented and what external components are needed?

Thermal monitoring uses an internal NTC thermistor accessible at pin 15 (NTC), referenced to VSS. An external 5 V pull-up resistor (typically 10 kΩ) is required to generate a measurable analog voltage for microcontroller ADC input. No additional signal conditioning is needed-the NTC is factory-calibrated and directly interfaces with standard 10-bit or higher ADCs.

Can ITRIP be used for both overcurrent and overtemperature protection?

No-ITRIP is dedicated solely to overcurrent detection via external shunt resistor feedback with a fixed 0.47 V threshold. Overtemperature protection is handled independently through the NTC pin and must be implemented in firmware or external comparator circuitry. The datasheet explicitly separates these functions: ITRIP triggers immediate hardware shutdown, while NTC provides analog temperature data for software-based thermal management.

Is the VFO pin actively driven or open-drain, and how should it be interfaced?

VFO is an open-drain, active-low output that sinks current when a fault (UVLO or overcurrent) occurs. It must be pulled up externally-typically with a 10 kΩ resistor to 5 V or 3.3 V logic rail. The pin remains low until the fault condition clears and VDD re-ramps above 12.1 V, ensuring latched behavior without external reset circuitry.