Infineon Technologies BSD223P L6327

Overview

BSD223P L6327 from Infineon Technologies is a dual P-channel enhancement-mode MOSFET in PG-SOT-363 package, rated for -20 V V_DS, 1.2 Ω R_DS(on) at -4.5 V V_GS, and -0.39 A continuous drain current. It features Super Logic Level gate drive (2.5 V rated), 150 °C operation, and avalanche/ dv/dt rating-used in compact DC-DC load switches and dual-rail power management in portable industrial sensors.

For engineers reviewing the BSD223P L6327 datasheet, BSD223P L6327 pinout, BSD223P L6327 application, or BSD223P L6327 equivalent, key selection criteria include logic-level gate compatibility, dual-channel thermal coupling in SOT-363, low R_DS(on) at 2.5 V, avalanche ruggedness for inductive switching, and AEC-Q101 qualification for automotive-adjacent embedded systems.

Technical Context

This dual P-MOSFET integrates two matched OptiMOS™-P devices sharing a common thermal die in a leaded SOT-363 package. Each channel supports independent gate control with identical threshold (-0.6 to -1.2 V) and on-resistance behavior across temperature (R_DS(on) increases <1.6× from 25 °C to 150 °C at -4.5 V).

It operates under enhancement-mode logic-level gate drive, enabling direct interface with 2.5 V/3.3 V microcontrollers without level-shifting. The device includes integrated body diodes with 1.33 V V_SD max and 9.5 ns trr, supporting synchronous rectification and reverse polarity protection in bidirectional power paths.

Key Specifications

Pinout & Package

Package: PG-SOT-363 (6-pin leaded plastic package, 2.1 × 2.0 × 0.9 mm, thermal pad not exposed). Pin numbering follows standard top-view marking orientation with X1s code.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DMC2038LVT-7 and SI3483DV-T1-GE3, BSD223P L6327 uniquely combines AEC-Q101 qualification, 1.4 mJ avalanche capability, and -6 kV/µs dv/dt immunity-making it the only option validated for safety-critical 12 V sensor hubs operating in harsh thermal environments.

Availability

BSD223P L6327 is available at Aetrix Electronics and suitable for dual-rail power switching, reverse polarity protection, and low-voltage motor control requiring stable component supply across industrial automation, automotive diagnostics, and portable instrumentation programs.

Supply support for BSD223P L6327 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 leader specializing in power management, automotive electronics, and security ICs-with over 25 years of MOSFET innovation and manufacturing excellence.

The OptiMOS™-P product line delivers logic-level P-channel MOSFETs optimized for space-constrained, thermally demanding applications in automotive body electronics, industrial PLC I/O modules, and battery-powered edge devices.

FAQ

What is the maximum safe gate-source voltage for BSD223P L6327?

The absolute maximum V_GS is ±12 V per channel. Exceeding this risks permanent gate oxide damage. For reliable operation, keep V_GS between -2.5 V (logic-high enable) and 0 V (disable), with transient spikes clamped below ±10 V using series gate resistors and Zener diodes if driving from noisy sources.

Can BSD223P L6327 be used in parallel configurations?

Yes-both channels share the same die and exhibit tightly matched R_DS(on) and V_GS(th) characteristics. Parallel operation is supported with individual gate resistors (≥10 Ω) to prevent oscillation, and total current must remain within the package's 0.25 W P_tot limit at the target ambient temperature.

Does BSD223P L6327 require external flyback diodes when switching inductive loads?

No-its integrated avalanche-rated body diodes handle freewheeling currents up to -1.56 A pulsed. However, for repetitive high-energy inductive switching (>100 kHz), an external Schottky diode may improve efficiency by reducing V_SD drop and recovery losses, especially above 100 °C junction temperature.

How does the PG-SOT-363 package affect thermal performance?

PG-SOT-363 has R_thJA = 500 K/W (unmounted) and R_thJS = 180 K/W (to soldering point). Effective cooling requires ≥20 mm² copper pour under the thermal pad and at least two vias to inner ground planes. Without thermal relief, junction temperature can exceed 150 °C at just 0.2 A continuous current in still air.