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パワーMOSFET

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STのパワーMOSFET製品ポートフォリオは、-100V～1700Vという広範囲のブレークダウン電圧を提供するだけでなく、最先端のパッケージに低いゲート電荷とオン抵抗を兼ね備えています。STのプロセス技術では、MDmesh™高電圧パワーMOSFETとSTripFET低電圧パワーMOSFETで電力処理を強化することにより、高効率のソリューションを実現します。STのパワーMOSFETは、STPOWERファミリの製品です。


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製品タイプ

STは、スイッチモード電源（SMPS）、照明、モータ制御、エネルギー生成とeモビリティ、シャーシ & セーフティ、さらにボディ & コンビニエンスといった産業および車載用アプリケーションのあらゆる電圧範囲に対応できるパワーMOSFETを幅広く扱っています。

20V～30V
20V～30V低電圧MOSFET
低いゲート電荷とオン抵抗、および適切なパッケージ･ソリューションを特徴とするSTのSTripFET低電圧パワーMOSFETです。
詳細はこちら
>30V～200V
STPOWER NチャネルMOSFET > 30V～200V
小型かつハイパワーの幅広いパッケージで提供されるSTの中耐圧STripFET Nチャネル･パワーMOSFETです。
詳細はこちら
>200V～700V
STPOWER NチャネルMOSFET > 30V～200V
STの最新スーパージャンクション･テクノロジーは、共振トポロジ向けに最適化され、ハイパワー･アプリケーションに適しています。
詳細はこちら
>700V～1700V
>700V～1700V高電圧および超高電圧MOSFET
電力処理能力の強化により高効率ソリューションを実現する、STのMDmesh™高耐圧および超高耐圧パワーMOSFETです。
詳細はこちら
Pチャネル
PチャネルMOSFET
新たなトレンチ･ゲート･デバイスによって拡充され、きわめて小さなフォーム･ファクタ･パッケージで提供されるSTのSTripFET PチャネルMOSFETです。
詳細はこちら


製品ポートフォリオの詳細はこちら

幅広いSTPOWER製品ポートフォリオは、最先端のパッケージと保護を兼ね備えることで、高い信頼性と安全性を実現しています。これにより設計者は、カスタマイズされた高効率で長寿命のアプリケーションに適したソリューションを容易に見つけられるようになります。


メリット

  • -100V～1700Vの耐圧範囲
  • 低電圧～超高耐圧のパワーMOSFETに対応できる以下を含む30以上のパッケージ･オプションをご用意しています。
    • さらに高い電力密度で温度管理も改善する新しい上面冷却型HU3PAKパッケージ
    • スイッチング効率を向上させる専用制御ピンを備えた4ピンTO-247
      • 大電流容量のH2PAK
      • 革新的な表面実装型リードレスTO-LL
    • 大型の金属ドレイン･パッドを採用することで優れた熱性能を実現した高さ1mmの表面実装型PowerFLATファミリ（2mm x 2mm～8mm x 8mm）
    • 最先端の厳しい効率要件に応じて改良されたゲート電荷量およびオン抵抗
    • 厳選された製品ライン向けの高速ボディ･ダイオード内蔵オプション
    • 車載用グレード対応パワーMOSFETの幅広い製品ポートフォリオ
    • アプリケーション指向テクノロジー

    推奨製品

    推奨コンテンツ

    Automotive MOSFETs in tiny 5x6 mm dual-side cooling package

    ST has extended its offering of AEC-Q101 MOSFETs with the introduction of two 40 V devices in the advanced PowerFLAT™ 5x6 dual-side cooling (DSC) package with wettable flanks. The STLD200N4F6AG and STLD125N4F6AG, with a maximum on-resistance of 1.5 mΩ and 3.0 mΩ respectively, ensure high efficiency and help simplify system thermal management. The 0.8 mm-high PowerFLAT 5x6 DSC retains the footprint and thermally efficient bottom-side design of the standard wettable flank package, while it exposes the top-side source electrode to further enhance heat dissipation. This allows a higher current rating that increases power density, enabling designers to build smaller ECUs without trading off functionality, performance, or reliability.

    Power MOSFET Basics

    mosfet circuit
    MOSFET circuit symbol

    MOSFET stands for Metal Oxide Semiconductor Field Effect Transistor. It's a voltage controlled device with 3 terminals:

    • Gate (electrically insulated from the semiconductor)
    • Drain
    • Source

    When a voltage applied between the Gate and the Source reaches a certain threshold (VGS(th) or threshold G-S voltage), the device is able to support current conduction between the Drain and the Source (ID or drain current).

    mosfet structure
    MOSFET simplified structure

    When a voltage applied between the Gate and the Source is below VGS(th), the device will withstand a voltage up to BVDSS (or breakdown voltage).

    MOSFETs can be used as a signal amplifier (linear operation) or as a switch in power applications.

    MOSFET parameters

    Like many other types of semiconductor power switches, the main parameters of a MOSFET, usually available in most datasheets, are:

    • RDS(on) (on-state resistance): electrical resistance when the device is set in on state. The lower is RDS(on), the lower is the conduction loss due to power dissipation when the current is flowing.
    • BVDSS (breakdown voltage): maximum drain-to-source voltage that the device is able to sustain when in off state.
    • QG (total gate charge): amount of electric charge required to the gate driver to turn on/off the device itself. QG impacts directly the efficiency (the lower, the better).

    The product of RDS(on) and QG is known as the MOSFET Figure of Merit (FOM).

    Other important parameters are intrinsic capacitances that can affect the switching times and voltage spikes, and body drain diode when device is used as power diode, like in synchronous free-wheeling operation mode.

    mosfet parameters
    Example of MOSFET datasheet parameters

    Learn more about how to read MOSFET datasheet parameters thanks to our series of videos dedicated to "Power MOSFET datasheet parameters".

    Main types of power MOSFETs

    MOSFETs can be of different types, including:

    N-channel enhancement-mode MOSFETs are the most popular type used in power switching circuits because of their low RDS(on) (on-state resistance) compared to P-channel MOSFETs.

    mosfet main types
    Overview of the main types of MOSFETs

    Power MOSFET Applications

    Power MOSFETs play an important role in all applications handling Power.

    The main applications of high voltage MOSFETs include:

    • Switch Mode Power Supplies (SMPS)
    • Residential, commercial, architectural and street lighting
    • DC-DC converters
    • Motor control
    • Automotive applications

    ST's high voltage MOSFET portfolio offers a broad range of breakdown voltages up to 1700 V, with low gate charge and low on-resistance, combined with state-of-the-art packaging. ST's MDmesh™ high-voltage MOSFETs technology has enhanced power-handling capability, resulting in high-efficiency solutions.

    The main applications of low voltage MOSFETs include:

    • Switch, buck and synchronous rectification
    • Uninterruptible Power Supplies (UPS)
    • Small motor control
    • Switch Mode Power Supplies (SMPS)
    • Power-Over-Ethernet (PoE)
    • Solar inverters
    • Automotive applications

    ST's low voltage MOSFET portfolio offers a broad range of breakdown voltages from -100 V to 120 V, with low gate charge and low on-resistance, combined with state-of-the art packaging.

    製品型番
    		概要
    		サプライヤ
    		Licence type
    		サポート機器

    eDesignSuite

    eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

    Power Management Design Center

    Thermal-electrical Simulators for Components

    Signal Conditioning Design Tool

    NFC/RFID Calculators

    Choose design tool:
    Power Management Design Center

    Power Supply Design Tool

    • SMPS design, by topology, by type and by product
    • PFC design with analog and digitial control
    • Supports various PCB configurations
    Choose type:
    DC/DC
    AC/DC
    太陽光発電システム
    Power Management Design Center

    LED Lighting Design Tool

    • Handles AC-DC and DC-DC design in common topologies
    • Displays interactive and annotated schematic
    • Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
    Choose type:
    DC/DC
    AC/DC
    Power Management Design Center

    Digital Power Workbench

    • Provides a step-by-step optimized design of power section and control loop
    • Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
    Power Management Design Center

    Power Tree Designer

    • Specify input/output power for each node in the tree
    • Check for consistency
    • Design each individual node
    Choose design tool:
    Thermal-electrical Simulators for Components

    AC Switches Simulator

    • Select ratings and application waveforms
    • Get junction temperature and blocking voltage graphs
    • Search and sort suitable devices
    Thermal-electrical Simulators for Components

    Rectifier Diodes Simulator

    • Select ratings and application waveforms
    • Estimate power losses
    • Search and sort suitable devices
    Thermal-electrical Simulators for Components

    STPOWER Studio

    • Supports long mission profiles
    • Provides power loss and temperature graphs
    • Helps define heatsink thermal properties
    Thermal-electrical Simulators for Components

    Twister Sim

    • Help select the right ViPOWER Automotive power device
    • Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
    • Supports various PCB configurations
    Thermal-electrical Simulators for Components

    TVS Simulator

    • Specify system ratings and surge waveform
    • Search and sort suitable devices
    Thermal-electrical Simulators for Components

    Estimate

    • Build simple schematics and firmware inputs in minutes
    • Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
    Choose design tool:
    Signal Conditioning Design Tool

    Active Filters

    • Handles multi-stage-designs and common topologies
    • Returns circuit component values
    • Provides gain, phase and group delay graphs
    • Low Pass, High Pass and Band Pass
    Signal Conditioning Design Tool

    Comparators

    • Handles most common configurations
    • Returns circuit components values
    • Provides I/O signal waveforms
    • Inverting, Non Inverting, Window
    Signal Conditioning Design Tool

    Low side Current Sensing

    • Returns circuit component values
    • Provides current error graphs
    Signal Conditioning Design Tool

    High side Current Sensing

    • Provides current error graphs.
    • Help to select the right High side current sensing and shunt devices.
    Choose design tool:
    NFC/RFID Calculators

    NFC Inductance

    • Input geometry and substrate properties
    • Get antenna impedance
    NFC/RFID Calculators

    UHF Link Budget

    • Enter forward and reverse link characteristics
    • The tool returns link budget estimate
    NFC/RFID Calculators

    NFC Tuning Circuit

    • Enter antenna parameter and matching target
    • Select the topology of the matching network
    • The tool returns component values for the desired design targets
    製品

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