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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Infineon Technologies IAUCN04S7L019ATMA1

Name: IAUCN04S7L019ATMA1
Brand: Infineon Technologies
SKU: IAUCN04S7L019ATMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IAUCN04S7L019ATMA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: 8-PowerTDFN

Datasheet:: IAUCN04S7L019ATMA1.pdf

Description:: MOSFET_(20V 40V)

Quantity:: RFQ Add To RFQ list

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Product details

Overview

IAUCN04S7L019ATMA1 from Infineon is an N-channel logic-level automotive power MOSFET in PG-TDSON-8-33 package, rated for 40 V V_DS, 1.92 mΩ R_DS(on) at V_GS = 10 V and I_D = 60 A, with 144 A chip-limited continuous drain current and 175 °C maximum operating temperature. It serves as a high-efficiency main or synchronous rectifier switch in 12 V automotive power rails.

For engineers reviewing the IAUCN04S7L019ATMA1 datasheet, IAUCN04S7L019ATMA1 pinout, IAUCN04S7L019ATMA1 application, or IAUCN04S7L019ATMA1 equivalent, key selection criteria include its AEC-Q101 qualification, MSL1 reflow rating up to 260 °C, 100% single-pulse avalanche testing, low gate charge (Q_g = 29–38 nC), and robust thermal resistance (R_thJC = 1.0–2.0 K/W).

Technical Context

This OptiMOS™ 7 device operates in enhancement mode with a gate threshold voltage of 1.2–1.8 V and supports logic-level drive (V_GS = 4.5 V fully enhances). Its low R_DS(on) and optimized capacitance profile (C_iss = 1929–2508 pF, C_rss = 35–53 pF) enable fast switching in high-frequency DC-DC converters and motor control inverters.

The integrated body diode exhibits V_SD = 0.8–0.95 V at I_F = 60 A and T_j = 25 °C, with t_rr = 23–35 ns and Q_rr = 8–16 nC - critical for minimizing commutation losses in synchronous buck and half-bridge topologies.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	40 V - Maximum blocking voltage for 12 V automotive battery systems with transient margin.
R_DS(on) @ V_GS=10 V	1.92 mΩ - Enables <1.2 W conduction loss at 60 A, reducing heatsink requirements.
I_D (chip-limited)	144 A - Supports peak load currents in starter relays, HVAC blowers, and EPS modules.
T_j max	175 °C - Sustains operation under hood temperatures without derating in engine bay placements.
R_thJC	1.0–2.0 K/W - Allows direct thermal coupling to copper pads or heatsinks for efficient power dissipation.
Q_g	29–38 nC - Reduces gate driver power demand and enables <20 ns turn-on/turn-off times with 3.5 Ω R_G.
E_AS	390 mJ - Withstands inductive energy spikes during load dump or motor freewheeling without failure.

Pinout & Package

PG-TDSON-8-33 is a thermally enhanced 8-pin surface-mount package with exposed drain pad (pins 1–3 and 5–8 are source-connected; pin 4 is gate; pin 6 is drain). The layout supports dual-side cooling and high-current PCB routing.

Pin/Terminal	Circuit Role	Design Meaning
1,2,3,5,7,8	Source	Common low-side return path; electrically tied to thermal pad for optimal heat transfer.
4	Gate	Logic-level input requiring ≤10 V drive; low input capacitance enables fast edge rates.
6	Drain	Main high-side power terminal; connected to exposed copper pad for thermal and current handling.

Key Features

Feature	Design Value
AEC-Q101 qualified + extended electrical test	Validated for automotive safety-critical functions including ASIL-B compliant subsystems.
MSL1 reflow compatibility	Withstands peak solder reflow at 260 °C without delamination or parameter shift.
100% single-pulse avalanche tested	Guarantees ruggedness against inductive switching stress in motor drives and solenoid controls.
Optimized R_DS(on)/Q_g ratio	Delivers lowest figure-of-merit (FOM) in 40 V OptiMOS™ 7 generation for reduced total switching+conduction loss.
Enhanced body diode recovery	Low Q_rr and t_rr minimize reverse recovery cross-conduction in synchronous rectification.

Applications

Engine Control Unit (ECU) Power Switching

Electric Power Steering (EPS) H-Bridge

Use Scenario: High-side and low-side switching in 12 V ECU power distribution modules managing fuel injectors, ignition coils, and sensors.

IC Role / Device Role / Timing Role: Main power FET controlling 10–100 A loads with precise PWM timing and fault current limiting.

Use Value: 1.92 mΩ R_DS(on) reduces system power loss by >30% vs. legacy 40 V MOSFETs, extending ECU thermal margin.

Use Scenario: Half-bridge leg in EPS motor driver delivering 30–80 A phase current with bidirectional torque control.

IC Role / Device Role / Timing Role: Low-side switch enabling fast dead-time control and regenerative braking via body diode conduction.

Use Value: 23–35 ns t_rr and 8–16 nC Q_rr suppress shoot-through risk and reduce gate driver stress during commutation.

Automotive HVAC Blower Motor

Start-Stop System Solenoid Driver

Use Scenario: PWM-controlled blower motor driver in cabin climate systems requiring smooth speed regulation and stall protection.

IC Role / Device Role / Timing Role: High-current low-side switch modulating motor voltage at 10–25 kHz with overcurrent shutdown.

Use Value: 144 A chip-limited I_D supports 3× stall current surges while maintaining <100 °C junction rise on standard 2s2p FR4 PCB.

Use Scenario: High-reliability solenoid actuation in start-stop battery disconnect and transmission valve control circuits.

IC Role / Device Role / Timing Role: Robust high-side switch handling 50–120 A inductive pulses with integrated avalanche energy absorption.

Use Value: 390 mJ E_AS rating ensures reliable operation across 100,000+ cycles without degradation under load dump conditions.

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive power switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
IAUCN04S7L022ATMA1	R_DS(on) = 2.2 mΩ @ V_GS = 10 V; identical package and AEC-Q101 qualification.	Slightly higher conduction loss; suitable where gate drive margin exceeds 10 V and thermal budget allows.	Select when cost sensitivity outweighs minimal efficiency gain of 0.3 mΩ lower R_DS(on).
IPB180N04S4H5ATMA1	Same V_DS and AEC-Q101 rating; R_DS(on) = 1.8 mΩ but uses TO-263-7 package with higher R_thJA.	Larger footprint and lower thermal performance; requires larger heatsink area for same power level.	Prefer only if existing TO-263 layout reuse is mandatory and board space permits thermal trade-off.

Compared with IAUCN04S7L019ATMA1, the 022 variant trades 0.3 mΩ R_DS(on) for minor cost reduction, while the IPB180N04S4H5 sacrifices thermal efficiency for legacy package compatibility - making the IAUCN04S7L019ATMA1 optimal for new compact, high-power-density automotive designs.

Availability

IAUCN04S7L019ATMA1 is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, HVAC blower motors, and start-stop solenoid drivers requiring stable component supply across automotive production lifecycles.

Supply support for IAUCN04S7L019ATMA1 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 family - engineered specifically for next-generation 12 V automotive power conversion, emphasizing ultra-low R_DS(on), high avalanche ruggedness, and AEC-Q101 reliability beyond specification limits.

FAQ

What is the maximum allowable gate-source voltage for IAUCN04S7L019ATMA1?

The absolute maximum gate-source voltage is ±16 V per datasheet Rev. 1.0. Operation above +10 V provides full enhancement but does not further reduce R_DS(on); exceeding +16 V risks irreversible oxide damage. Gate drive circuits must include clamping or Zener protection to prevent transients from violating this limit during hot-plug or load-dump events.

Does IAUCN04S7L019ATMA1 require external gate resistors in automotive H-bridge applications?

Yes - a series gate resistor (typically 3.5 Ω, as used in characterization) is required to control dV/dt, suppress ringing, and limit peak gate current. Without it, the low gate resistance (R_G = 2.1 Ω typ.) and high C_iss can cause overshoot, shoot-through, or EMI compliance failure in 12 V automotive environments with noisy supply rails.

How is the 144 A continuous drain current rating achieved given the 1.92 mΩ R_DS(on)?

The 144 A rating is chip-limited and assumes ideal thermal conditions: T_C = 25 °C, unlimited copper area, and perfect heatsinking. In real-world 2s2p FR4 PCB layouts, continuous current is typically 75–95 A due to R_thJA = 28 K/W. Derating curves in the datasheet show usable I_D drops to ~60 A at T_C = 100 °C.

Can IAUCN04S7L019ATMA1 replace older OptiMOS™ 5 or 6 devices in existing automotive designs?

Yes - it is pin-compatible with prior PG-TDSON-8-33 OptiMOS™ generations and offers improved R_DS(on), lower Q_g, and tighter V_GS(th) distribution. However, gate drive timing and layout parasitics should be verified, as faster switching may expose previously masked layout issues like ground bounce or Miller-induced turn-on.

IAUCN04S7L019ATMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™ 7

Package/Case:: 8-PowerTDFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 40 V

Current - Continuous Drain (Id) @ 25°C:: -

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: -

Vgs(th) (Max) @ Id:: -

Gate Charge (Qg) (Max) @ Vgs:: 40 nC @ 10 V

Vgs (Max):: -

Input Capacitance (Ciss) (Max) @ Vds:: -

FET Feature:: -

Power Dissipation (Max):: -

Operating Temperature:: -55°C ~ 175°C

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: PG-TDSON-8-33

IAUCN04S7L019ATMA1 FAQ

1.How can I place an order for IAUCN04S7L019ATMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IAUCN04S7L019ATMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for IAUCN04S7L019ATMA1 reliable?

The price and inventory of IAUCN04S7L019ATMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IAUCN04S7L019ATMA1 is usually 5 days.

3.What payment methods are accepted for IAUCN04S7L019ATMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IAUCN04S7L019ATMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IAUCN04S7L019ATMA1?

IAUCN04S7L019ATMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IAUCN04S7L019ATMA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for IAUCN04S7L019ATMA1?

For technical support, including IAUCN04S7L019ATMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IAUCN04S7L019ATMA1 requirements.

6.How does Aetrix verify that IAUCN04S7L019ATMA1 is sourced from the original manufacturer or authorized distributors?

All IAUCN04S7L019ATMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IAUCN04S7L019ATMA1 meets industry standards.

7.What is the process for return or replacement of IAUCN04S7L019ATMA1?

All IAUCN04S7L019ATMA1 units undergo pre-shipment inspection (PSI). If there is an issue with IAUCN04S7L019ATMA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The IAUCN04S7L019ATMA1 part is unused and in its original packaging.

Return procedure for IAUCN04S7L019ATMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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