Infineon Technologies BSC0500NSIATMA1

Overview

BSC0500NSIATMA1 from Infineon Technologies is an N-channel OptiMOSTM5 Power-MOSFET rated for 30 V drain-source voltage, with a maximum R_DS(on) of 1.3 mΩ at V_GS = 4.5 V, 186 A continuous drain current (T_C = 25 °C), monolithic integrated Schottky-like body diode, and 100% avalanche tested - deployed in high-efficiency synchronous buck converters for server VRMs and GPU power stages.

For engineers reviewing the BSC0500NSIATMA1 datasheet, BSC0500NSIATMA1 pinout, BSC0500NSIATMA1 application, or BSC0500NSIATMA1 equivalent, key selection criteria include low Q_G(0–4.5 V) = 18 nC, Q_OSS = 27 nC, thermal resistance R_thJC = 1.8 K/W (bottom side), SuperSO8 package compatibility, and JEDEC-qualified reliability for industrial and computing power delivery.

Technical Context

This MOSFET employs trench-gate silicon technology with optimized charge distribution to minimize conduction and switching losses simultaneously. Its gate threshold voltage (V_GS(th) = 1.2–2.0 V) enables robust 4.5 V logic-level drive, while the integrated body diode exhibits low V_SD = 0.55–0.65 V at I_F = 11 A and low Q_rr = 20 nC for reduced reverse recovery loss in synchronous rectification.

The device is characterized for operation up to T_j = 150 °C with derated current capability and features a dual thermal path: low 1.8 K/W junction-to-case (bottom) for PCB copper cooling and higher 20 K/W top-side resistance. It supports high-frequency switching (typ. t_d(on) = 5 ns, t_f = 4 ns) under 15 V V_DD, 30 A ID conditions with external 1.6 Ω gate resistor.

Key Specifications

Pinout & Package

Package: PG-TDSON-8 (SuperSO8), 5.15 mm × 6.2 mm footprint, exposed drain pad on bottom side for thermal and electrical connection.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel 30 V power MOSFET applications.

Compared with IRLHS6342TRPBF and SI7157DP-T1-GE3, BSC0500NSIATMA1 delivers the best balance of low Q_G/Q_OSS, integrated diode performance, and JEDEC-qualified ruggedness - making it optimal for mission-critical, high-density computing power stages where efficiency, reliability, and thermal management are co-constrained.

Availability

BSC0500NSIATMA1 is available at Aetrix Electronics and suitable for server VRMs, GPU power delivery units, and telecom DC-DC converters requiring stable component supply, long-lifecycle support, and traceable sourcing for production ramp.

Supply support for BSC0500NSIATMA1 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, and industrial control ICs and discrete devices, with global manufacturing and quality certification to ISO/TS 16949 and IECQ QC 080000.

BSC0500NSIATMA1 belongs to the OptiMOSTM5 family - engineered specifically for high-efficiency, high-current DC-DC conversion in datacenter, AI accelerator, and 5G infrastructure applications where low R_DS(on), fast switching, and thermal robustness are mandatory.

FAQ

What is the maximum recommended gate drive voltage for BSC0500NSIATMA1?

The absolute maximum gate-source voltage is ±20 V, but the device is fully enhanced and optimized for 4.5 V logic-level drive. Operation at 10 V yields lowest R_DS(on) (1.1 mΩ), yet 4.5 V provides sufficient margin above V_GS(th) (max 2.0 V) while minimizing gate driver power and EMI. Exceeding 12 V offers diminishing returns and increases risk of gate oxide stress during transient events.

Can BSC0500NSIATMA1 be used in paralleled configurations?

Yes - its positive temperature coefficient of R_DS(on) (confirmed in Diagram 9) ensures inherent current sharing across paralleled units. Layout must maintain matched gate loop inductance and symmetric source/drain connections. Derating to ≤150 A per device is recommended for thermal margin when using ≥3 devices in parallel on a common 6 cm² copper area.

Is the integrated body diode suitable for reverse recovery in hard-switched topologies?

Yes - the monolithic Schottky-like diode has Q_rr = 20 nC and soft recovery characteristics (per Diagram 12), making it suitable for synchronous buck freewheeling and active clamp forward circuits. However, it is not rated for continuous reverse conduction; sustained reverse bias beyond V_SD rating may cause localized heating and degradation.

What PCB layout practices maximize thermal performance?

Maximize copper area (≥6 cm²) connected to the exposed drain pad using ≥6 thermal vias (0.3 mm diameter, 0.8 mm pitch) to inner ground/power planes. Keep gate trace short and low-inductance (<5 mm), use Kelvin source connection for gate driver feedback, and avoid solder mask over the drain pad to ensure optimal thermal transfer to heatsink or chassis.