EFI Automotive Accessories Systems (Wuhan) Co., Ltd.
EFI Group is a French family-owned enterprise established in 1936, with headquarters in Lyon, France. It has subsidiaries in nearly ten countries worldwide now.
EFI Automotive, as a leading international components supplier, focusing on transmission systems, power systems including NEV drive systems, providing a range of intelligent electrification products and systematic solutions to OEMs and Tier 1 suppliers. Our product line includes sensors, actuators, and electro-mechanical integration modules.
EFI Automotive entered China in 2004 as a wholly-owned subsidiary of EFI Group, boasting a complete and independent local R&D team. In 2023, the group invested in a R&D center and Plant II in Wuhan, and established a branch office in Shanghai.
Product 1
Development technology/material/manufacturing process nameEddy Current Rotor Position Sensor
Innovation HighlightsThis sensor offers advantages in terms of integration and EMC robustness and delivers the angle in both analog and digital forms.
no magnet & magnetic immunity; High accuracy (<±1°elec.).
Permit 3pp design up to 80,000rpm.
Output protocol : Analog; Digital.
High safety level: up to ASIL D.
Immune to Stray field.
Adaptable to different motor sizes; significant cost advantages compared to traditional solutions.
First to achieve mass production in 2018, with shipments of 450,000 units in 2025.
ApplicationseDrive System
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