Infineon Technologies 2EDF7275FXUMA1

Overview

2EDF7275FXUMA1 from Infineon Technologies is a dual-channel functional-isolated MOSFET gate driver IC with 4 A source / 8 A sink output current, 37 ns typical propagation delay, ±3 ns channel-to-channel mismatch, and 150 V/ns CMTI. It uses coreless transformer isolation in a narrow-body DSO-16 package and targets high-frequency half-bridge switching in industrial SMPS and EV charging systems.

For engineers reviewing the 2EDF7275FXUMA1 datasheet, 2EDF7275FXUMA1 pinout, 2EDF7275FXUMA1 application, or 2EDF7275FXUMA1 equivalent, key selection criteria include functional isolation rating (1.5 kVDC), output-side UVLO threshold (4 V), PWM timing accuracy over temperature, and compatibility with CoolMOS™/CoolSIC™ power stages in space-constrained designs.

Technical Context

This IC implements two independent galvanically isolated gate drive channels using coreless transformer (CT) technology, enabling operation in high dv/dt environments without signal degradation. Its input logic accepts CMOS/TTL signals referenced to GNDI, while outputs drive high-side and low-side MOSFETs with separate VDDA/VDDA and VDDB/GNDB supplies.

The device integrates safety features including input-side UVLO lockout below 3 V, output-side UVLO at 4 V, and automatic safety self-lockdown of both outputs during input undervoltage. Propagation delay variance is tightly controlled at +7/–6 ns across temperature and process variation.

Key Specifications

Pinout & Package

2EDF7275FXUMA1 is housed in a RoHS-compliant narrow-body PG-DSO-16-11 package (10 mm × 6 mm, 1.27 mm pitch), optimized for thermal performance and automated assembly in high-volume industrial power supplies.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel functional-isolated gate driver applications.

Compared with 2EDF7275K, this DSO-16 variant provides SLDO flexibility and easier thermal management via exposed pad; versus UCC21540ADWKR, it delivers superior noise immunity at lower system cost where functional isolation suffices.

Availability

2EDF7275FXUMA1 is available at Aetrix Electronics and suitable for server SMPS, EV onboard chargers, and industrial battery storage inverters requiring stable component supply, JEDEC-qualified reliability, and functional isolation compliance.

Supply support for 2EDF7275FXUMA1 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 gallium nitride technologies.

The EiceDRIVER™ 2EDi family was designed specifically for high-efficiency, high-frequency power conversion systems using CoolMOS™, CoolSIC™, and CoolGaN™ switches - emphasizing timing accuracy, isolation robustness, and system-level reliability.

FAQ

What is the maximum recommended switching frequency for 2EDF7275FXUMA1?

The device supports PWM operation up to 10 MHz, but practical maximum frequency depends on gate charge of the driven MOSFET and layout parasitics. For 4 A/8 A drive into a 5 nC gate charge device, reliable operation is confirmed up to 2 MHz in LLC resonant converters with proper PCB routing and gate resistor selection.

Does 2EDF7275FXUMA1 require external bootstrap diodes in half-bridge applications?

Yes - the IC itself does not integrate bootstrap diodes. A fast recovery diode (e.g., BAS21) must be placed between VBus and the VDDA pin, with a bootstrap capacitor (typically 100 nF X7R) from VDDA to GNDA, to sustain high-side gate drive during continuous conduction mode.

Can the DISABLE pin be left unconnected?

No - the DISABLE pin has an internal pull-down resistor, but leaving it floating risks noise-induced false disable events. It must be actively driven low (to GNDI) for normal operation or pulled high (to VDDI) only during intentional shutdown sequences.

Is the 1.5 kVDC isolation rating suitable for 400 V DC bus applications?

Yes - functional isolation at 1.5 kVDC meets IEC 62368-1 requirements for basic insulation in 400 V DC systems when combined with appropriate creepage/clearance layout (≥4.5 mm) and system-level overvoltage category II design.