Infineon Technologies IPB80N06S3L-05

Overview

IPB80N06S3L-05 from Infineon Technologies is an N-channel enhancement-mode automotive-grade power MOSFET in PG-TO263-3-2 package, rated for 55 V V_DS, 4.5 mΩ R_DS(on) (max, V_GS=10 V), 80 A continuous drain current at T_C=25 °C, and qualified to AEC-Q101. It serves as a high-current main switch in 12 V automotive DC-DC converters and motor control inverters.

For engineers reviewing the IPB80N06S3L-05 datasheet, IPB80N06S3L-05 pinout, IPB80N06S3L-05 application, or IPB80N06S3L-05 equivalent, key selection criteria include its 0.9 K/W junction-to-case thermal resistance, 100% avalanche-tested ruggedness (E_AS=825 mJ), low gate charge (Q_g=182–273 nC), and SMD-compatible TO263 footprint for high-power thermal management.

Technical Context

This OptiMOS™-T2 device uses trench-gate superjunction technology optimized for low conduction and switching losses in 12 V automotive systems. Its gate threshold voltage (1.2–2.2 V) enables robust drive with standard 5 V logic-level controllers, while its 13,060 pF input capacitance and 1,560 pF reverse transfer capacitance support stable high-frequency PWM operation up to 100 kHz.

The integrated body diode exhibits 0.6–1.3 V forward voltage at 80 A and 70 ns reverse recovery time, enabling efficient synchronous rectification and freewheeling in half-bridge topologies. Thermal design is anchored by its 0.9 K/W R_thJC, allowing 138 A theoretical chip current at 25 °C case temperature when bondwire-limited constraints are relaxed.

Key Specifications

Pinout & Package

IPB80N06S3L-05 uses the PG-TO263-3-2 surface-mount package with exposed drain pad for thermal and electrical connection. The three terminals are arranged in a single-row configuration compatible with automated PCB assembly and high-current routing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IPP80N06S3L-05 and IRFB4115PBF, IPB80N06S3L-05 delivers superior thermal performance in SMD layouts (R_thJC = 0.9 K/W), mandatory automotive qualification, and production-screened avalanche robustness - making it the sole choice for volume automotive electronics where reliability and regulatory compliance are non-negotiable.

Availability

IPB80N06S3L-05 is available at Aetrix Electronics and suitable for automotive DC-DC converters, electric power steering systems, and start-stop battery management requiring stable component supply across multi-year vehicle production cycles.

Supply support for IPB80N06S3L-05 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 microcontrollers, and security solutions, with global R&D and manufacturing infrastructure.

This device belongs to the OptiMOS™-T2 power transistor family, engineered specifically for high-current, high-reliability 12 V automotive subsystems demanding AEC-Q101 compliance and ruggedized switching behavior.

FAQ

What is the maximum junction temperature and how does it impact layout?

The absolute maximum junction temperature is +175 °C, validated per AEC-Q101. This rating enables operation in under-hood environments up to +125 °C ambient when combined with the 0.9 K/W R_thJC and adequate PCB copper area (≥6 cm² drain pad). Layout must minimize thermal resistance between the exposed drain pad and inner-layer copper planes using multiple thermal vias.

Is the body diode suitable for synchronous rectification?

Yes - the integrated body diode has a typical forward voltage of 0.9 V at 80 A and 25 °C, with 70 ns reverse recovery time and 100 nC Q_rr. These parameters support efficient synchronous rectification in buck converters up to 100 kHz, though external Schottky diodes may be preferred for ultra-low V_F in high-efficiency designs.

Does this part require gate resistors for safe operation?

Yes - a series gate resistor (typically 2.3 Ω, per datasheet test condition) is required to control dV/dt and prevent parasitic oscillation during switching. Without it, the 13,060 pF C_iss and 1,560 pF C_rss can interact with PCB inductance to cause ringing, leading to false turn-on or excessive EMI in high-speed applications.

How does the 100% avalanche test affect long-term reliability?

Each unit undergoes single-pulse avalanche stress at I_AS = 80 A and E_AS = 825 mJ, verifying die robustness against inductive energy transients. This screening eliminates latent defects and correlates strongly with field reliability in motor control and DC-DC applications where unclamped inductive switching is routine.