Infineon Technologies IPB156N22NFDATMA1

Overview

IPB156N22NFDATMA1 from Infineon Technologies is a 220 V, 72 A N-channel Power MOSFET in D²PAK (TO-263) package with fast-recovery integrated diode (FD), 15.6 mΩ max R_DS(on), and 175 °C rated junction temperature-designed for high-efficiency hard-switching power converters in industrial motor drives and UPS systems.

For engineers reviewing the IPB156N22NFDATMA1 datasheet, IPB156N22NFDATMA1 pinout, IPB156N22NFDATMA1 application, or IPB156N22NFDATMA1 equivalent, key selection criteria include avalanche ruggedness (400 mJ E_AS), low Q_rr (340 nC), gate charge profile (Q_g = 66–87 nC), thermal resistance (R_thJC = 0.3–0.5 K/W), and FD diode hard-commutation capability (I_S,hard = 144 A).

Technical Context

This OptiMOSTM FD device uses trench-gate superjunction technology to achieve low conduction loss while maintaining robust switching behavior under high di/dt stress. Its fast diode reduces reverse recovery losses and enables reliable operation in non-resonant topologies like LLC half-bridge and phase-shifted full-bridge converters.

The MOSFET features a gate threshold voltage of 2–4 V, plateau voltage of 4.8 V, and transconductance of 60–119 S-enabling stable gate drive design with standard 10 V logic-level controllers. Thermal performance is optimized for PCB-mounted heatsinking via the exposed drain tab (Pin 2 & Tab), supporting continuous 300 W dissipation at T_C = 25 °C.

Key Specifications

Pinout & Package

Package: PG-TO263-3 (D²PAK), surface-mount with exposed drain tab (Pin 2 and thermal pad) for enhanced thermal performance. Lead-free, RoHS-compliant, halogen-free per IEC61249-2-21.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage power MOSFET applications.

Compared with STP16N22 and IXFH32N20X3, IPB156N22NFDATMA1 uniquely combines 220 V rating, integrated fast diode, D²PAK surface-mount form factor, and JEDEC-qualified ruggedness-making it optimal for space-constrained, high-reliability industrial inverters where diode recovery and thermal management are critical.

Availability

IPB156N22NFDATMA1 is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies (UPS), solar microinverters, and EV on-board chargers requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for IPB156N22NFDATMA1 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 electronics, and industrial control ICs, with global manufacturing and quality certification to ISO/TS 16949 and IECQ QC 080000.

This device belongs to the OptiMOSTM FD product line-engineered specifically for high-efficiency, hard-switched power conversion in industrial and renewable energy systems where diode recovery loss and thermal robustness are decisive.

FAQ

What is the maximum allowable gate-source voltage for IPB156N22NFDATMA1?

The absolute maximum gate-source voltage is ±20 V. Operation beyond this range risks permanent gate oxide damage. Recommended gate drive is 10 V for full enhancement, with minimum 4.5 V required to maintain R_DS(on) below 25 mΩ at 72 A. Gate drive circuits must include clamping or Zener protection to prevent overshoot during fast switching.

Does IPB156N22NFDATMA1 require a gate resistor, and what value is recommended?

Yes-a series gate resistor is essential to control dV/dt and suppress oscillation. For hard-switched applications at 72 A, a 1.6 Ω external resistor is validated in the datasheet for turn-on/turn-off timing (t_d(on) = 15 ns, t_d(off) = 45 ns). Higher values reduce EMI but increase switching loss; lower values risk ringing and shoot-through in bridge configurations.

How is thermal performance affected when the drain tab is not soldered to a heatsink?

Without thermal connection to a heatsink, R_thJA rises to 62 K/W (minimal footprint), limiting continuous power dissipation to ~4.8 W at 25 °C ambient. Full-rated 300 W operation requires the drain tab (Pin 2 & exposed pad) to be soldered to ≥6 cm² copper area on FR4 PCB or directly mounted to an external heatsink-achieving R_thJC = 0.3–0.5 K/W and enabling 72 A continuous current.

Can IPB156N22NFDATMA1 replace older 200 V MOSFETs in existing designs?

Yes, with validation: its 220 V V_DS provides higher bus voltage margin than 200 V devices, and identical D²PAK footprint allows drop-in replacement. However, gate charge (Q_g = 66–87 nC) and FD diode characteristics differ-gate driver strength and dead-time settings must be re-verified to avoid shoot-through or excessive diode conduction in half-bridge layouts.