STの車載用ショットキー・ダイオードは、AEC-Q101規格に準拠しており、DC-DCコンバータ向けに設計されています。低電圧DC-DCコンバータをはじめ、2次側整流回路、オンボード・チャージャ、LLC、順方向アクティブ・クランプ回路、移相回路など、さまざまな車載アプリケーションに使用されています。ほぼすべての製品で-40℃~+175℃(Tᴊ)の動作温度範囲が保証されています。 車載用製品には、製品型番の末尾に識別子Yが付けられています。


STでは、ショットキー・ダイオードとFERDのオンライン・シミュレータAndroid / iOS対応のダイオード製品検索用アプリを用意しています。アプリケーションに最適な電界効果整流ダイオードやショットキー・ダイオードを簡単に見つけることができます。









新しい車載用ショットキー・ダイオードSTPS240H100TV1Y(2 x 120A - 100V)は、絶縁型ISOTOPパッケージで提供されます。ISOTOPパッケージの優れた放熱設計により、大きな熱マージンが得られるため、eモビリティ・アプリケーション向けに信頼性が高く安全なDC-DCコンバータの設計が可能です。


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 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:

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:

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 Tree Designer

Specify input/output power for each node in the tree
Check for consistency
Design each individual node
Choose design tool:

AC Switches Simulator

Select ratings and application waveforms
Get junction temperature and blocking voltage graphs
Search and sort suitable devices

Rectifier Diodes Simulator

Select ratings and application waveforms
Estimate power losses
Search and sort suitable devices


Supports long mission profiles
Provides power loss and temperature graphs
Helps define heatsink thermal properties

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

TVS Simulator

Specify system ratings and surge waveform
Search and sort suitable devices


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:

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


Handles most common configurations
Returns circuit components values
Provides I/O signal waveforms
Inverting, Non Inverting, Window

Low side Current Sensing

Returns circuit component values
Provides current error graphs

High side Current Sensing

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

NFC Inductance

Input geometry and substrate properties
Get antenna impedance

UHF Link Budget

Enter forward and reverse link characteristics
The tool returns link budget estimate

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