Infineon Technologies IPI22N03S4L15AKSA1

Overview

IPI22N03S4L15AKSA1 from Infineon Technologies is an AEC-Q101 qualified N-channel enhancement-mode MOSFET in PG-TO262-3-1 package, rated for 30 V V_DS, 22 A continuous drain current at T_C = 100 °C, and ultra-low 14.6 mΩ max R_DS(on) at V_GS = 10 V. It is designed for high-efficiency DC-DC converters and automotive body control modules requiring robust avalanche capability and 175 °C operation.

For engineers reviewing the IPI22N03S4L15AKSA1 datasheet, IPI22N03S4L15AKSA1 pinout, IPI22N03S4L15AKSA1 application, or IPI22N03S4L15AKSA1 equivalent, key selection criteria include its 12.4–14.6 mΩ R_DS(on) at 10 V drive, 100% single-pulse avalanche tested performance (20 mJ), MSL1 reflow compatibility, and integrated body diode with 0.6–1.3 V V_SD at 22 A.

Technical Context

This OptiMOS®-T2 device uses trench-gate superjunction technology to achieve low conduction loss while maintaining fast switching characteristics: typical C_iss = 865 pF, C_oss = 220 pF, and C_rss = 15 pF at V_DS = 25 V. Its gate threshold voltage is tightly distributed between 1.0 V and 2.2 V, enabling reliable turn-on with 4.5 V logic-level drive.

The MOSFET integrates a robust intrinsic body diode with t_rr = 12 ns and Q_rr = 10 nC under defined conditions (V_R = 15 V, dI/dt = 100 A/µs), supporting synchronous rectification and freewheeling in hard-switched topologies without external diode supplementation.

Key Specifications

Pinout & Package

Supplied in PG-TO262-3-1 (IPAK) package with isolated tab, this device features three terminals: Drain (Tab), Source (Pin 1), and Gate (Pin 2). The metal tab is electrically connected to the Drain and serves as primary thermal path.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IPP22N03S4L15AKSA1 and IPB22N03S4L15AKSA1, the IPI22N03S4L15AKSA1 offers balanced thermal performance (R_thJC = 4.9 K/W) and ease of mounting in IPAK format-ideal for mid-volume automotive production where reworkability and thermal margin coexist.

Availability

IPI22N03S4L15AKSA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial DC-DC converters, motor phase drivers, and power distribution units requiring stable component supply across multi-year production cycles.

Supply support for IPI22N03S4L15AKSA1 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 industrial control ICs, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.

This part belongs to the OptiMOS®-T2 power transistor family, engineered specifically for high-current, high-reliability switching in automotive and industrial power conversion where low R_DS(on), avalanche ruggedness, and AEC-Q101 compliance are mandatory.

FAQ

What is the maximum allowable gate-source voltage for IPI22N03S4L15AKSA1?

The absolute maximum V_GS is ±16 V per datasheet Rev. 2.0. Operation beyond ±12 V is not recommended for long-term reliability. Transient overshoot must be clamped using Zener diodes or gate resistors to prevent oxide breakdown, especially in inductive load switching where ringing can exceed ratings.

Does IPI22N03S4L15AKSA1 require a gate driver IC in automotive applications?

Yes-while the device turns on with 4.5 V logic, automotive-grade designs require controlled slew rate, shoot-through prevention, and fault reporting. A dedicated gate driver (e.g., IRS2007, TC4427) ensures clean 10 V gate drive, minimizes Q_g-related switching loss, and provides Miller clamping during high dV/dt events common in motor drives.

How is thermal performance affected when mounted without a heatsink?

Without a heatsink, R_thJA rises to 62 K/W in still air. At 22 A and 14.6 mΩ, power dissipation reaches ~7.1 W, causing ΔT ≈ 440 °C-exceeding safe limits. A minimum 40 mm × 40 mm copper pour (70 µm thick) is required to achieve R_thJA = 40 K/W and sustain 22 A at T_C ≤ 100 °C.

Is the body diode suitable for continuous freewheeling in a buck converter?

Yes-the integrated diode is rated for 22 A continuous forward current and 88 A pulsed, with V_SD = 0.6–1.3 V at 22 A. Its 12 ns t_rr and low Q_rr make it viable for synchronous rectification up to 300 kHz, though external Schottky may be preferred for <100 ns switching or <0.4 V forward drop requirements.