Ampere and STMicroelectronics collaborate on powerbox with long term supply for silicon carbide
STMicroelectronics (STM) and Renault Group's Ampere announced a multi-year agreement starting in 2026 for Silicon Carbide (SiC) power modules supply and collaboration on powerbox development for electric vehicle inverters. The partnership focuses on optimizing power module performance for Ampere's electric powertrains, combining Ampere's EV expertise with STM's power electronics knowledge.
The powerbox, designed for 400V and 800V battery systems, features three SiC-based power modules, an excitation module, and a cooling baseplate. The 800V system aims to achieve 10%-80% quick charging in under 15 minutes. This collaboration demonstrates STM's leadership in advanced power electronics and supports Ampere's strategy to control its EV value chain.
STMicroelectronics (STM) e il Gruppo Renault's Ampere hanno annunciato un accordo pluriennale a partire dal 2026 per la fornitura di moduli di potenza in Carburo di Silicio (SiC) e per la collaborazione nello sviluppo di powerbox per inverter di veicoli elettrici. La partnership si concentra sull'ottimizzazione delle prestazioni dei moduli di potenza per i powertrain elettrici di Ampere, combinando l'expertise di Ampere nei veicoli elettrici con la conoscenza dell'elettronica di potenza di STM.
La powerbox, progettata per sistemi di batterie da 400V e 800V, è dotata di tre moduli di potenza basati su SiC, un modulo di eccitazione e una piastra di raffreddamento. Il sistema da 800V punta a raggiungere una ricarica rapida dal 10% all'80% in meno di 15 minuti. Questa collaborazione dimostra la leadership di STM nell'elettronica di potenza avanzata e supporta la strategia di Ampere di controllare la sua catena del valore degli EV.
STMicroelectronics (STM) y Ampere del Grupo Renault anunciaron un acuerdo a largo plazo que comenzará en 2026 para el suministro de módulos de potencia de Carburo de Silicio (SiC) y la colaboración en el desarrollo de powerbox para inversores de vehículos eléctricos. La asociación se centra en la optimización del rendimiento de los módulos de potencia para los sistemas de propulsión eléctrica de Ampere, combinando la experiencia de Ampere en vehículos eléctricos con el conocimiento de STM en electrónica de potencia.
La powerbox, diseñada para sistemas de batería de 400V y 800V, cuenta con tres módulos de potencia basados en SiC, un módulo de excitación y una placa base de enfriamiento. El sistema de 800V tiene como objetivo lograr una carga rápida del 10% al 80% en menos de 15 minutos. Esta colaboración demuestra el liderazgo de STM en electrónica de potencia avanzada y apoya la estrategia de Ampere para controlar su cadena de valor de vehículos eléctricos.
STMicroelectronics (STM)와 르노 그룹의 앰페르가 2026년부터 실리콘 카바이드(SiC) 파워 모듈 공급 및 전기차 인버터를 위한 파워박스 개발 협력에 대한 다년 계약을 발표했습니다. 이 파트너십은 앰페르의 전기 파워트레인의 성능 최적화에 중점을 두며, 앰페르의 EV 전문성과 STM의 전력 전자 지식을 결합하려고 합니다.
400V 및 800V 배터리 시스템을 위해 설계된 파워박스는 세 개의 SiC 기반 파워 모듈, 한 개의 자극 모듈 및 냉각 기판을 특징으로 합니다. 800V 시스템은 10%에서 80%까지의 빠른 충전을 15분 이내에 달성하는 것을 목표로 하고 있습니다. 이 협력은 고급 전력 전자 분야에서 STM의 리더십을 보여주며, 앰페르가 전기차 가치 사슬을 통제하려는 전략을 지원합니다.
STMicroelectronics (STM) et Ampere du groupe Renault ont annoncé un accord pluriannuel commençant en 2026 pour la fourniture de modules de puissance en Carbone de Silicium (SiC) et la collaboration sur le développement de powerbox pour les onduleurs de véhicules électriques. Ce partenariat se concentre sur l'optimisation des performances des modules de puissance pour les chaînes de traction électrique d'Ampere, en combinant l'expertise d'Ampere dans les véhicules électriques avec les connaissances de STM en électronique de puissance.
La powerbox, conçue pour des systèmes de batteries de 400V et 800V, comprend trois modules de puissance à base de SiC, un module d'excitation et une plaque de refroidissement. Le système de 800V vise à atteindre une charge rapide de 10 % à 80 % en moins de 15 minutes. Cette collaboration démontre le leadership de STM dans l'électronique de puissance avancée et soutient la stratégie d'Ampere pour contrôler sa chaîne de valeur dans les véhicules électriques.
STMicroelectronics (STM) und die Ampere-Gruppe von Renault haben eine mehrjährige Vereinbarung bekannt gegeben, die 2026 beginnt, zur Lieferung von Leistungmodulen aus Siliziumkarbid (SiC) und zur Zusammenarbeit bei der Entwicklung von Powerboxen für Wechselrichter von Elektrofahrzeugen. Die Partnerschaft legt den Fokus auf die Optimierung der Leistungsmodul-Performance für die elektrischen Antriebssysteme von Ampere, indem sie die EV-Expertise von Ampere mit dem Fachwissen von STM in der Leistungselektronik kombiniert.
Die Powerbox, die für 400V- und 800V-Batteriesysteme konzipiert ist, verfügt über drei SiC-basierte Leistungsmodule, ein Erregungsmodul und eine Kühlbasisplatte. Das 800V-System zielt darauf ab, eine Schnellladung von 10% auf 80% in weniger als 15 Minuten zu erreichen. Diese Zusammenarbeit zeigt die Führungsrolle von STM in der fortschrittlichen Leistungselektronik und unterstützt die Strategie von Ampere, seine Wertschöpfungskette für Elektrofahrzeuge zu kontrollieren.
- Strategic multi-year supply agreement securing critical SiC power modules
- Development of advanced 800V system enabling faster charging capabilities
- Vertical integration strengthening STM's position in EV power electronics
- Production start delayed until 2026
Insights
This strategic collaboration marks a significant advancement in EV powertrain technology. The deal secures long-term supply of Silicon Carbide (SiC) power modules for Ampere's electric vehicles, with production starting in 2026. The powerbox design, incorporating three SiC-based power modules, represents a major technological leap, supporting both 400V and 800V battery systems.
The implementation of 800V architecture is particularly noteworthy, enabling 10-80% charging in under 15 minutes. The optimized power module design will enhance power conversion efficiency, extend range and improve charging capabilities. STM's vertical integration in SiC manufacturing provides important supply chain security in a competitive semiconductor market.
This partnership strengthens STMicroelectronics' position in the growing EV semiconductor market. The multi-year agreement with Renault Group's Ampere division provides predictable revenue streams and validates STM's SiC technology leadership. The deal's timing aligns with projected growth in European EV adoption and stricter emissions regulations.
The collaboration on advanced powerbox solutions demonstrates STM's ability to deliver complex system-level solutions, potentially leading to similar partnerships with other automakers. This vertical integration strategy in SiC production gives STM a competitive advantage in the automotive semiconductor market.
Ampere and STMicroelectronics collaborate on powerbox
with long term supply for silicon carbide
- Multi-year agreement between STMicroelectronics and Renault Group secures Ampere’s supply of Silicon Carbide power modules
- Collaboration on powerbox and cooling systems for the inverter to get the best efficiency for Ampere's new generation electric motors
- Agreement aligned with Ampere’s strategy of working upstream with its partners to design the best solutions for each one of its EV technologies
Boulogne-Billancourt (France) and Geneva (Switzerland) – December 3, 2024 – Ampere, the intelligent electric EV pure player born from Renault Group and STMicroelectronics (NYSE: STM), a global semiconductor leader serving customers across the spectrum of electronics applications, today announced the next step in their strategic co-operation, starting in 2026, with a multi-year agreement between STMicroelectronics and Renault Group on the supply of Silicon Carbide (SiC) power modules, as part of their collaboration on a powerbox for the inverter for Ampere’s ultra-efficient electric powertrain. Ampere and STMicroelectronics worked together on the optimization of the power module, the key element in the powerbox, to get the highest performance and best competitiveness in the e-powertrain, leveraging Ampere’s expertise in EV technology and STMicroelectronics’ expertise in advanced power electronics.
“This agreement is the result of the intensive work carried out with STMicroelectronics. By working upstream together, we were able to optimize and secure the supply of key components for our electric powertrains, to offer high performance EVs with increased range and optimized charging time. It perfectly aligns with Ampere's strategy to master the entire value chain of power electronics for its e-powertrain, leveraging STMicroelectronics’ expertise in power modules,” said Philippe Brunet, SVP Powertrain & EV engineering, Ampere.
“ST is at the cutting edge of the development of advanced power electronics enabling the mobility industry to improve the performance of electrified platforms. With the optimization of these higher-efficient products and solutions to meet Ampere’s performance requirements, and our vertically integrated silicon carbide supply chain, we are supporting Ampere’s strategy for its next generation of electric powertrain,” said Michael Anfang, Executive Vice President Sales & Marketing, Europe, Middle East and Africa Region, STMicroelectronics. “ST and Ampere share a common vision for more sustainable mobility and this agreement marks another step forward in improved power performance to further contribute to concrete improvements to carbon emissions reduction by the mobility industry and its supply chain.”
Power modules, composed of numerous silicon carbide chips, manage and convert electrical power from the battery to drive the electric motor. They play a crucial role in the efficiency of the electric powertrain and battery range, as well as energy regeneration features, making them a key element of the efficiency of an electric car. They also contribute to the smoothness and responsiveness of driving.
STMicroelectronics and Ampere have collaborated on a powerbox for the supply of energy to Ampere’s new generation of electric motors. The powerbox is designed for optimum performance-size ratio across Ampere’s line-up, on 400 Volt battery EV vehicles and for Segment C-EVs with 800 Volt batteries, enabling greater autonomy and faster charging. 800 Volts is one of the key levers to achieve the
As an integrated device manufacturer (IDM), STMicroelectronics ensures quality and security of supply to serve carmakers’ strategies for electrification. The collaboration with Ampere on the silicon carbide power modules and powerbox demonstrates STMicroelectronics' leadership and system level experience of advanced power electronics, including its packaging expertise.
Additional Technical Information
The powerbox combines three SiC-based power modules, an excitation module, which provides the necessary electrical excitation to the motor or generator for controlling the magnetic field within the motor, and a cooling baseplate designed to dissipate heat from the back side of the power module, simplifying the thermal management and cooling process.
About STMicroelectronics
At ST, we are over 50,000 creators and makers of semiconductor technologies mastering the semiconductor supply chain with state-of-the-art manufacturing facilities. An integrated device manufacturer, we work with more than 200,000 customers and thousands of partners to design and build products, solutions, and ecosystems that address their challenges and opportunities, and the need to support a more sustainable world. Our technologies enable smarter mobility, more efficient power and energy management, and the wide-scale deployment of cloud-connected autonomous things. We are committed to achieving our goal to become carbon neutral on scope 1 and 2 and partially scope 3 by 2027. Further information can be found at www.st.com.
About Ampere
Ampere is the first European intelligent EV pure player. Born from Renault Group, Ampere designs, develops, manufactures and markets full electric vehicles featuring cutting-edge software technology, accessible to all. The customer experience, as well as social and environmental impacts, are embedded throughout the vehicle development process to ensure they align with the brand’s commitment to its customers, the planet and those living on it. For more information, please visit www.ampere.cars or follow Ampere on LinkedIn or X.
STMICROELECTRONICS INVESTOR RELATIONS
Jérôme Ramel
EVP Corporate Development & Integrated External Communication
Tel: +41.22.929.59.20
jerome.ramel@st.com
STMICROELECTRONICS MEDIA RELATIONS
Alexis Breton
Corporate External Communications
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alexis.breton@st.com
RENAULT GROUP- INVESTOR RELATIONS
Philippine de Schonen
Cell : +33 6 13 45 68 39
philippine.de-schonen@renault.com
AMPERE COMMUNICATION
Estelle Guillot-Tantay
Cell : +33 6 76 86 01 46
estelle.guillot-tantay@ampere.cars
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FAQ
What is the purpose of STM's collaboration with Ampere for Silicon Carbide power modules?
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