Infineon Technologies IFCM20U65GDXKMA1

Overview

IFCM20U65GDXKMA1 from Infineon Technologies is a dual-in-line intelligent power module (IPM) integrating six TRENCHSTOP™ 5 IGBTs and SOI gate drivers for three-phase interleaved PFC applications. It delivers 650 V blocking voltage, 20 A rated current per phase, and features integrated over-current shutdown, under-voltage lockout, thermistor-based temperature monitoring, and accessible emitter pins for phase current sensing.

For engineers reviewing the IFCM20U65GDXKMA1 datasheet, IFCM20U65GDXKMA1 pinout, IFCM20U65GDXKMA1 application, or IFCM20U65GDXKMA1 equivalent, this module supports high-efficiency AC-DC conversion in server PSUs, telecom rectifiers, and industrial UPS systems where thermal robustness, EMI-safe control, and compact power integration are critical.

Technical Context

The module implements a three-phase interleaved PFC topology using six discrete IGBTs with rapid-switching emitter-controlled diodes and rugged SOI gate drivers. Each phase includes independent LIN input logic, dedicated emitter (NX/NY/NZ) and collector (X/Y/Z) terminals, and shared protection circuitry including ITRIP (0.47 V threshold), VFO fault latching, and NTC thermistor interface referenced to VSS.

Control section operates from 13.5–16.5 V VDD supply with UVLO thresholds at 12.1 V (turn-on) and 10.4 V (shutdown), while power section supports up to 450 V DC-link output (500 V surge) and handles peak currents of 60 A per phase for <1 ms. Thermal resistance is 2.39 K/W (IGBT) and 2.77 K/W (diode) junction-to-case.

Key Specifications

Pinout & Package

IFCM20U65GDXKMA1 uses a dual-in-line molded package with isolated baseplate, optimized for heatsink mounting and high-voltage isolation (2000 V RMS). Pin-to-heatsink clearance is typ. 1.6 mm. Package outline conforms to Infineon's CIPOS™ DIL-24 mechanical specification.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FAM68GA65N and FSB50550, IFCM20U65GDXKMA1 uniquely combines open-emitter current sensing, integrated NTC, and latched VFO for robust, monitorable PFC in mission-critical power systems where thermal and fault visibility are design priorities.

Availability

IFCM20U65GDXKMA1 is available at Aetrix Electronics and suitable for server power supplies, telecom rectifiers, and industrial UPS systems requiring stable component supply, long lifecycle support, and validated thermal performance under continuous 20 A load.

Supply support for IFCM20U65GDXKMA1 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 carbide and advanced IGBT technologies.

This part belongs to the CIPOS™ family of intelligent power modules, designed specifically for high-efficiency, space-constrained PFC and motor drive applications requiring integrated gate driving, protection, and thermal monitoring.

FAQ

What is the recommended minimum pulse width for LIN(X/Y/Z) inputs?

The datasheet specifies a minimum input pulse width of 1 μs for reliable operation of the LIN inputs. This requirement arises from the internal noise filter timing (t_FILIN) and ensures immunity to spurious transients while maintaining correct logic state recognition across temperature and supply variations.

How is over-current protection implemented on IFCM20U65GDXKMA1?

Over-current protection uses the ITRIP pin with a fixed 0.47 V threshold comparator referenced to VSS. When the voltage at ITRIP exceeds this level-typically from a shunt resistor in the IGBT emitter path-the module shuts down all gate drivers within 1000 ns and asserts the VFO pin low. A 530 ns internal noise filter prevents false triggering from short spikes.

Can the NTC pin be used directly with a microcontroller ADC?

Yes-the NTC pin provides direct access to the embedded thermistor, which is referenced to VSS. An external 5 V pull-up resistor creates a voltage divider; the resulting analog voltage scales linearly with temperature and can be read directly by a standard 10-bit or higher MCU ADC without signal conditioning.

What is the purpose of the P pin and its voltage limit?

The P pin is the common positive DC-link output terminal connecting the cathodes of all integrated diodes. It is rated for ≤450 V DC under normal operation (500 V surge), defining the maximum usable bus voltage in PFC boost stages. Exceeding 450 V risks overstressing internal diodes and violating safe operating area limits.