Infineon Technologies IQE004NE1LM7ATMA1

Overview

IQE004NE1LM7ATMA1 from Infineon Technologies is an N-channel logic-level power MOSFET in PG-TSON-8 package, rated for 15 V V_DS, 0.45 mΩ max R_DS(on) at 7 V V_GS, and 379 A continuous drain current at T_C = 25 °C. It features 100% avalanche testing, ultra-low Q_oss (27 nC), and is optimized for high-efficiency synchronous rectification in DC-DC converters.

For engineers reviewing the IQE004NE1LM7ATMA1 datasheet, IQE004NE1LM7ATMA1 pinout, IQE004NE1LM7ATMA1 application, or IQE004NE1LM7ATMA1 equivalent, key selection criteria include its 0.45 mΩ on-resistance at 7 V gate drive, 29 nC total gate charge, thermal resistance of 1.4 °C/W (junction-to-case), and suitability for high-current, low-voltage SMPS topologies requiring fast switching and robust avalanche capability.

Technical Context

This OptiMOSTM 7 device employs a trench-gate superjunction structure enabling sub-milliohm R_DS(on) with low Q_g (29 nC) and Q_oss (27 nC), supporting high-frequency operation up to several MHz in hard-switched and resonant converters. Its 1.4 °C/W R_thJC and 60 °C/W R_thJA (on 6 cm² PCB copper) enable high-power density designs without forced cooling.

The MOSFET integrates a fast, low-Q_rr body diode (Q_rr = 24–98 nC, trr = 25–62 ns) with V_SD = 0.76 V at 30 A, making it suitable for synchronous rectification where reverse recovery losses must be minimized. Gate threshold voltage is tightly distributed (1.2–2.0 V), ensuring stable turn-on with standard 3.3 V/5 V logic-level drivers.

Key Specifications

Pinout & Package

Package: PG-TSON-8 (exposed drain pad, 3.3 mm × 3.3 mm, 0.85 mm height), RoHS-compliant, halogen-free per IEC61249-2-21.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel logic-level power MOSFET applications.

Compared with IRLHS6342TRPBF and SIZ204DT-T1-GE3, IQE004NE1LM7ATMA1 delivers the lowest guaranteed R_DS(on) (0.45 mΩ max), best Q_oss/Q_g ratio, and highest avalanche ruggedness - making it the preferred choice for mission-critical, high-current synchronous rectification where thermal headroom and transient robustness are non-negotiable.

Availability

IQE004NE1LM7ATMA1 is available at Aetrix Electronics and suitable for server VRMs, high-density POL converters, redundant OR-ing systems, and industrial hot-swap circuits requiring stable component supply and long-term production continuity.

Supply support for IQE004NE1LM7ATMA1 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 sensors, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.

IQE004NE1LM7ATMA1 belongs to the OptiMOSTM 7 family - engineered specifically for high-efficiency, high-current DC-DC conversion in datacenter, telecom, and industrial power supplies where low R_DS(on), fast switching, and avalanche reliability are mandatory.

FAQ

Is IQE004NE1LM7ATMA1 suitable for 3.3 V gate drive?

Yes - it is a logic-level MOSFET with V_GS(th) ranging from 1.2 V to 2.0 V and specified R_DS(on) ≤ 0.47 mΩ at V_GS = 4.5 V. At 3.3 V, R_DS(on) increases to ~0.65 mΩ (per Fig. 8), which remains usable in moderate-current applications (<150 A) with appropriate thermal design.

What is the maximum recommended PCB copper area for thermal performance?

The datasheet specifies R_thJA = 60 °C/W using a 6 cm² (one-layer, 70 µm thick) copper area on FR4. Increasing copper area beyond 6 cm² yields diminishing returns; doubling to 12 cm² improves R_thJA by only ~8–10%. For optimal thermal performance, prioritize low-thermal-resistance solder joints and direct thermal vias to inner ground planes.

Does IQE004NE1LM7ATMA1 have integrated ESD protection?

No - the device does not include on-chip ESD protection diodes. Per the datasheet, gate-source voltage must be limited to ±8 V transient (V_GS,AC) and ±7 V DC (V_GS). External gate resistors (≥10 Ω) and TVS clamping are recommended in production designs to prevent electrostatic damage during handling and assembly.

Can IQE004NE1LM7ATMA1 replace older OptiMOSTM 5 devices in existing designs?

Yes - it is backward-compatible in PG-TSON-8 footprint and shares identical pinout (Drain=5–8, Source=1–3, Gate=4). However, due to 30% lower R_DS(on) and 20% lower Q_g, gate drive loop stability and layout parasitics should be revalidated; snubber adjustments may be needed to suppress increased dV/dt.