Infineon Technologies IAUCN04S7L011ATMA1

Overview

IAUCN04S7L011ATMA1 from Infineon is an N-channel logic-level automotive power MOSFET in the OptiMOS™ 7 family, rated for 40 V V_DS, 1.13 mΩ R_DS(on) at V_GS = 10 V, and 222 A chip-limited continuous drain current. It operates up to 175 °C, passes 100% single-pulse avalanche testing, and is qualified per AEC-Q101 for under-hood motor control and DC-DC converter high-side switching.

For engineers reviewing the IAUCN04S7L011ATMA1 datasheet, IAUCN04S7L011ATMA1 pinout, IAUCN04S7L011ATMA1 application, or IAUCN04S7L011ATMA1 equivalent, key selection criteria include its 1.13 mΩ on-resistance at 10 V gate drive, MSL1 reflow compatibility, 175 °C junction rating, and integrated robustness features such as enhanced electrical screening and extended qualification beyond AEC-Q101.

Technical Context

This device implements a trench-based silicon MOSFET structure optimized for low conduction and switching losses in 12 V/48 V automotive power stages. Its logic-level gate threshold (1.2–1.8 V) enables direct drive from microcontrollers without level-shifting, while the 0.7 K/W typical R_thJC supports high-power density thermal design.

The 3261 pF input capacitance and 57 pF reverse transfer capacitance (at V_DS = 20 V) enable fast, controllable switching with low EMI risk in synchronous rectification and H-bridge configurations. Gate charge total of 49–64 nC balances drive strength and loss trade-offs for PWM frequencies up to 200 kHz.

Key Specifications

Pinout & Package

IAUCN04S7L011ATMA1 uses the PG-TDSON-8-34 package - a thermally enhanced 8-pin exposed-drain DSO-style leadless package with 3.3 mm × 3.3 mm footprint and 0.65 mm pitch. The top-side thermal pad improves heat transfer to PCB copper, supporting >100 W dissipation with proper layout.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IAUZ40N04S5L022ATMA1 and IPB180N04S4-02, IAUCN04S7L011ATMA1 delivers the lowest R_DS(on) and highest current capability in the smallest thermally optimized package, making it optimal for next-generation EPS and 48 V DC-DC where power density and junction temperature headroom are critical.

Availability

IAUCN04S7L011ATMA1 is available at Aetrix Electronics and suitable for electric power steering (EPS), 48 V mild hybrid DC-DC converters, and engine cooling fan drivers requiring stable component supply across multi-year automotive production programs.

Supply support for IAUCN04S7L011ATMA1 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 electronics, and security solutions, with global manufacturing and R&D infrastructure.

This part belongs to the OptiMOS™ 7 automotive power MOSFET product line, engineered specifically for high-efficiency, high-reliability 12 V and 48 V vehicle electrification systems including EPS, ADAS actuators, and onboard chargers.

FAQ

What is the maximum allowable gate-source voltage for IAUCN04S7L011ATMA1?

The absolute maximum V_GS is ±16 V per the datasheet's "Maximum ratings" table. Operation above +10 V provides full enhancement but does not reduce R_DS(on) further; exceeding +16 V risks permanent gate oxide damage. Gate drive circuits must include clamping or Zener protection to ensure transient compliance.

Does IAUCN04S7L011ATMA1 require a negative gate voltage for safe turn-off in high-dV/dt environments?

No. The device has no requirement for negative V_GS during turn-off. Its gate threshold voltage (1.2–1.8 V) and low Crss (57–85 pF) provide strong noise immunity. However, a small negative bias (e.g., –2 V) may be used in ultra-high-noise motor drive applications to increase dV/dt immunity margin beyond specification.

Can IAUCN04S7L011ATMA1 be paralleled with identical units for higher current capacity?

Yes - its positive temperature coefficient of R_DS(on) (increasing with T_j) ensures inherent current sharing. Layout symmetry, matched gate drive paths, and shared thermal mass are required. Derating to ≤85% of aggregate rated current is recommended to maintain reliability under transient overload conditions.

Is the PG-TDSON-8-34 package compatible with standard automated optical inspection (AOI) systems?

Yes. The package's coplanar exposed drain pad and clearly defined solder mask-defined pads meet IPC-A-610 Class 3 requirements. Its 0.65 mm pitch and 3.3 mm × 3.3 mm outline are fully supported by modern AOI platforms using 10 µm pixel resolution and top-down + angled lighting profiles.