Power-SOI substrates

Enabling robust, energy-efficient, and highly integrated automotive and industrial applications with advanced intelligence and meeting high FuSa requirements.

Soitec PowerSOI

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Enabling the development of advanced smart automotive and industrial power applications

Soitec Power SOI Diagram

Soitec’s Power-SOI empowers electric and autonomous vehicle innovation. Our industry-leading engineered substrates enable the development of advanced automotive applications, delivering superior energy efficiency, performance, robustness, integration, sustainability, faster time-to-market and intelligence. It meets enhanced FuSa standards and 48V architecture requirements.

Power-SOI Features & Benefits

High voltage & low voltage integration on the same die

Power-SOI with DTI (deep trench isolation) enables integration of high and low voltage blocks on a single die, minimizing die area.

High temperature operation

Power-SOI's superior low leakage at high temperatures enhances temperature margins, facilitates AEC-Q100C Grade 0 certification, and improves device accuracy.

High robustness

Power-SOI's excellent noise immunity, latch-up-free structure, and enhanced ESD/EMI/EMC properties enable high-performance power ICs that meet stringent robustness requirements.

Simple device design

Power-SOI simplifies device design, reducing mask count and eliminating complex well structures. It also improves BV-Rsp performance through double RESURF

High Efficiency

Power-SOI technology often enables devices to work with higher efficiency by offering the lower on resistance (RDSon) and lower reverse recovery charge (Qrr). This benefit is crucial for energy-sensitive applications, particularly in automotive and mobile devices, contributing to longer battery life and energy-efficient performance.

Scalability for Future Nodes

Power-SOI is highly scalable for future technology nodes, making it adaptable to evolving needs in semiconductor manufacturing. This scalability ensures that Power-SOI will remain relevant in future generations of ICs, allowing for integration of new functionalities without increasing die size or complexity.

Connecting the world with Soitec Power-SOI substrates

Soitec’s Power-SOI substrates enable smart power management in electric vehicles (EVs) and advanced driver-assistance systems (ADAS), meeting high functional safety standards and supporting 48V low-voltage architectures for better efficiency. Their robustness and high-temperature tolerance make them ideal for powertrain and under-hood components.

In industrial applications, Power-SOI substrates offer durability, noise immunity, and energy efficiency, simplifying power IC design by integrating high- and low-voltage components. They are essential for reliable operation in harsh environments, particularly in motor drives, inverters, and automation systems.

Power-SOI substrates enhance energy efficiency and performance in datacenters and network infrastructure by supporting efficient power supply circuits and high-speed signal processing. Their ability to operate in high-temperature environments ensures reliable performance in demanding computing and telecommunication systems.

Highlights

Efficient smart power IC

Power-SOI improves > 10% system cost and smart power IC efficiency.

Safer smart power IC

Power-SOI facilitates smart power IC development, meeting high robustness, noise immunity, and operating temperature requirements.

Better performance smart power IC

Power-SOI improves > 10% system cost and smart power IC efficiency.

Increased Voltage Handling Capacity

Power-SOI enables high voltage isolation capabilities, supporting up to 200V in smart power ICs. This allows for better integration of high-voltage and low-voltage components on the same die, which is essential in applications like power converters and motor drivers.

Frequently asked questions

  • IVN (In-vehicle Networking) such as CAN, LIN, FlexiRay, Ethernet Phy ICs
  • PMIC (Power Management IC)/ SBC (System Basis Chip)
  • BMIC (Battery monitoring IC)/ BMS AFE (Battery management system analog front end)
  • Gate driver IC
  • Smart actuator/ smart motor controller IC
  • Industrial interface IC
  • HiRel (High Reliability) IC etc.
  • To enable high integration of high voltage circuits and low voltage circuits on the same die for saving die area
  • To provide high robustness and reliability for meeting higher functional safety (FuSa) requirements
  • To ease the IC design with increasing demands of wider operating temperature and higher FuSa requirements
  • To shorten the IC development time by ensuring higher percentage of first time right design which improves the time-to-market
  • To improve the efficiency of the power IC by reducing the conduction losses and switching losses
  • The new 48V low voltage architecture: Power-SOI enables higher breakdown voltage (BV) which is needed for this architecture (said 200V BV)
  • Increasing demands for higher functional safety (FuSa): Power-SOI enables the integration of high voltage circuits and low voltage circuits by providing excellent noise immunity with DTI & BOX, latch-up free structure and significant reduction of isolation area
  • Package downsizing: Power-SOI low leakage current at higher junction temperature and much smaller die size allow the use of smaller package size

200mm Power SOW

  • Smart Power 1.5: SmartCut ™ SOI EPI ready only up to 1.5um SOI thickness with BOX up to 3.0um
  • Smart Power 2.0: SmartCut ™ SOI + EPI (up to 10 um) with BOX up to 3.0um
  • Smart Power 2.1: SmartCut ™ SOI + EPI (up to 10um) with 3.1um to 3.9um BOX

300mm Power SOW

  • Smart Power 3.0: SmartCut ™ SOI EPI ready only up to 0.2um SOI thickness with BOX up to 2um
  • Smart Power 3.1: SmartCut ™ SOI + EPI (up to 7um) with BOX up to 2um

Related Events

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CEA-Leti Innovation Days 2025

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IMS 2025

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ITF WORLD

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