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AKM 소개
AKM Exhibited Automotive Current Sensor Solutions at PCIM Europe 2025
Asahi Kasei Microdevices Corporation (AKM) exhibited at PCIM Europe 2025,
a power electronics exhibition that was held in Nuremberg, Germany.
Thank you for visiting AKM booth!
Events / Exhibitions
Event Overview
Name： PCIM Europe 2025
Dates：May 6 - 8, 2025
Place：Nuremberg Exhibition Centre, Nuremberg, Germany
Booth：Hall 7-502
Products that were exhibited
Current sensor for automotive on-board chargers and DC/DCs
AKM exhibited its CZ39 current sensor series that is highly compatible with SiC/GaN power devices. A demonstrator at the booth visualized the high-speed triangular wave current measurement that simulated the steep current time change rate (dI/dt) required in systems using SiC or GaN.
In collaboration with Silicon Austria Labs (SAL), AKM developed an eFuse system that addressed the challenges of protection systems using conventional mechanical fuses. AKM introduced a concept of the eFuse technology that aimed to significantly improve safety and reduce the cost of systems such as on-board chargers (OBCs) in automobiles.
Coreless current sensor IC for AC servo controls
In addition, the company showcased an AC servomotor control demonstrator utilizing the CQ36, a coreless current sensor IC with a delta-sigma digital output function.
This technology, while maintaining a resolution equivalent to that of shunt resistors, presented a new solution that significantly reduced heat generation by approximately 1/10th. It could greatly contribute to the miniaturization of AC servo motors and robots.
Coreless current sensor for traction inverters
The traction inverter, a core component of EVs, faces numerous challenges, including performance enhancement and miniaturization.
To address these challenges, AKM developed an external conductor type coreless current sensor that can handle large currents of several hundred amperes or more for traction inverters. A prototype was exhibited at the booth. Compared to conventional core-type current sensors, it maintained the key characteristics while significantly reducing the size of the inverter system.
Furthermore, AKM displayed a Proof of Concept (PoC) that integrated the current sensor within the power module, a development discovered through joint technical validation with SAL. This PoC contributed to further miniaturization and reduction in the number of components.
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