Infineon Technologies SPB80P06P

Overview

SPB80P06P from Infineon Technologies is a P-channel enhancement-mode SIPMOS™ power MOSFET rated for -60 V drain-source voltage, 0.023 Ω R_DS(on) at -10 V V_GS, and -80 A continuous drain current at T_C = 25 °C. It features avalanche rating, 6 kV/µs dv/dt capability, and 175 °C maximum junction temperature - designed for high-current DC-DC converter synchronous rectification and industrial motor control H-bridge legs.

For engineers reviewing the SPB80P06P datasheet, SPB80P06P pinout, SPB80P06P application, or SPB80P06P equivalent, this device is selected for high-efficiency, high-reliability P-channel switching in 48 V bus systems where robust unclamped inductive switching and thermal stability under sustained conduction are critical design requirements.

Technical Context

This MOSFET operates in enhancement mode with a gate threshold voltage of -2.1 to -4.0 V (typ. -3 V), enabling direct logic-level drive from -5 V or -10 V controllers. Its low R_DS(on) and high transconductance (18–36 S) support fast switching with minimal conduction loss in high-current, low-duty-cycle applications.

The device integrates an intrinsic body diode with -1.2 to -1.6 V forward voltage at -80 A and 117–175 ns reverse recovery time, making it suitable for freewheeling paths where controlled diode conduction and limited reverse recovery charge (420–630 nC) reduce switching losses and EMI.

Key Specifications

Pinout & Package

Packaged in P-TO263-3-2 (D²PAK), a surface-mount variant of TO-263 with isolated drain tab and standard 3-pin layout optimized for PCB thermal relief and high-current routing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IRF4905PBF and STP80PF55, SPB80P06P delivers superior single-pulse avalanche ruggedness (823 mJ) and optimized SMD thermal performance (R_thJC = 0.4 K/W), making it the preferred choice for space-constrained, high-reliability industrial power stages where transient energy absorption and PCB thermal management are co-critical.

Availability

SPB80P06P is available at Aetrix Electronics and suitable for industrial motor control, DC-DC converter synchronous rectification, and high-voltage battery protection requiring stable component supply across multi-year production cycles.

Supply support for SPB80P06P 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 and discrete devices.

The SIPMOS™ power transistor product line targets high-efficiency, high-reliability power conversion in industrial automation, renewable energy inverters, and transportation systems - emphasizing ruggedness, thermal performance, and system-level energy savings.

FAQ

What is the recommended gate resistor value for SPB80P06P in a 100 kHz hard-switched H-bridge?

A 1.0 Ω gate resistor is specified in the datasheet for turn-on/turn-off timing measurements (td(on) = 24 ns, td(off) = 56 ns). For 100 kHz operation, this value balances switching loss reduction against gate drive power and EMI control. Lower values (0.5–0.8 Ω) may be used with robust gate drivers to minimize dead-time losses, provided layout minimizes parasitic inductance.

Can SPB80P06P be used in parallel configurations for >160 A applications?

Yes - its negative temperature coefficient for R_DS(on) (0.023 Ω at 25 °C rising to ~0.045 Ω at 150 °C) enables natural current sharing. Parallel operation requires matched gate drive impedance, symmetrical PCB layout, and shared thermal plane. Derate total current to ≤140 A per device to maintain T_j < 150 °C under worst-case ambient.

Does the SPB80P06P body diode require external anti-parallel diode supplementation?

No - the intrinsic body diode is rated for -80 A continuous and -320 A pulsed, with characterized reverse recovery (trr = 117–175 ns, Qrr = 420–630 nC). External diodes are unnecessary unless ultra-low V_F (< 0.8 V) or sub-50 ns trr is required for specific ZVS/ZCS topologies.

What is the maximum allowable PCB copper area for thermal relief on the drain pad?

The datasheet specifies performance with "6 cm² cooling area" (one-layer, 70 µm thick copper) on FR4. Larger areas (up to 12 cm²) improve R_thJA from 40 K/W to ~32 K/W, but diminishing returns set in beyond 10 cm². Thermal vias (≥12×0.3 mm diameter, filled or plated) beneath the drain pad are strongly recommended to enhance vertical heat transfer to inner layers or heatsink interface.