Infineon Technologies IGLD60R070D1AUMA1

Overview

IGLD60R070D1AUMA1 from Infineon is a 600 V enhancement-mode GaN power transistor in PG-LSON-8-1 package, delivering 70 mΩ R_DS(on), 5.8 nC gate charge, and zero reverse-recovery charge (Q_rr = 0 nC), designed for high-frequency half-bridge topologies including totem-pole PFC and LLC resonant converters in datacenter SMPS.

For engineers reviewing the IGLD60R070D1AUMA1 datasheet, IGLD60R070D1AUMA1 pinout, IGLD60R070D1AUMA1 application, or IGLD60R070D1AUMA1 equivalent, key selection criteria include its Kelvin-source layout for low-inductance gate drive, 60 A pulsed drain current capability, ultra-fast 8 ns rise time, and industrial qualification per JEDEC JESD47/JESD22.

Technical Context

This CoolGaN™ device operates as a normally-off, high-voltage switching transistor with integrated Kelvin source terminals to decouple power and signal return paths-enabling precise gate control under hard-switching conditions. Its zero Q_rr and 41 nC output charge (Q_oss @ 400 V) eliminate body-diode losses and reduce turn-off energy.

The device features a fixed 0.78 Ω internal gate resistance and exhibits 200 V/ns dV/dt immunity, supporting robust operation in fast-rising bus voltage environments. Gate threshold voltage ranges from 0.9 V (T_j = 25 °C) to 1.0 V (T_j = 125 °C), ensuring stable turn-on behavior across temperature.

Key Specifications

Pinout & Package

Package: PG-LSON-8-1 - surface-mount, 8-pin leadless package with exposed thermal pad, MSL3, reflow-compatible up to 260 °C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-frequency GaN power transistor applications.

Compared with GAN063-650WSBDA and TPH3205WS, IGLD60R070D1AUMA1 delivers superior high-frequency performance due to its Kelvin-source layout and lowest Q_G/R_DS(on) ratio in its class-enabling designs targeting >1 MHz operation with minimal EMI filtering overhead.

Availability

IGLD60R070D1AUMA1 is available at Aetrix Electronics and suitable for telecom rectifiers, datacenter LLC resonant converters, totem-pole PFC stages, and industrial motor drive auxiliary supplies requiring stable component supply and long-term production continuity.

Supply support for IGLD60R070D1AUMA1 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 AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs and discrete devices.

This part belongs to the CoolGaN™ product line-engineered specifically for high-efficiency, high-frequency power conversion in datacenter, telecom, and industrial SMPS where silicon limitations in speed and loss are critical.

FAQ

What gate drive voltage is required for reliable operation?

IGLD60R070D1AUMA1 requires a nominal gate drive of +6 V to +7 V for full enhancement, with absolute maximum V_GS = 10 V. The device's V_GS(th) is 0.9–1.4 V across temperature, and gate clamping at –8 V prevents negative overvoltage damage. Driving above +7 V yields diminishing R_DS(on) improvement but increases gate oxide stress risk.

Does this GaN transistor require a negative gate voltage for turn-off?

No. The device is enhancement-mode and fully turns off at V_GS = 0 V. A negative gate voltage is not required, though –2 V to –5 V may be used to improve noise immunity in high-dV/dt environments. The datasheet specifies V_GS,pulse = –25 V as absolute maximum, not recommended operating condition.

How is thermal performance validated in the PG-LSON-8-1 package?

Thermal resistance is measured as R_thJC = 1.1 °C/W from junction to case, verified per JEDEC JESD51-14 standards using transient dual-interface testing. The exposed thermal pad must be soldered to ≥200 mm² copper area on the PCB with ≥6 thermal vias (0.3 mm diameter, 0.8 mm pitch) to achieve rated 114 W power dissipation at T_C = 25 °C.

Can IGLD60R070D1AUMA1 replace silicon MOSFETs in existing half-bridge designs?

Yes-but gate drive layout must be revised to accommodate Kelvin source routing and minimize gate loop inductance. Existing Si-based layouts often lack separate Kelvin source traces, leading to oscillation or false turn-on. Also, gate resistor values typically decrease from 10–22 Ω (Si) to 2–5 Ω (GaN) to match lower Q_G and faster edge rates.