A concern with the isolation transformer in a dual active bridge (DAB) dc–dc converter is dc bias magnetization. This article proposes fluxgate-based current sensor to measure component mixed large, high-frequency ac current. Compared commercial Hall effect sensor, proposed significantly reduces measurement error. presents working principle and design considerations. prototype demonstrated for ...

Flexible sensors are important for applications, such as wearable medical devices, soft robotics, and more, they can easily conform to irregularly shaped surfaces. This study presents elliptical planar Hall effect magnetic fabricated on a polyamide tape with an equivalent noise (EMN) better than 200 pT/Hz. The sensor is characterized in flat bent states radius of 10 mm. An EMN 400 pT/Hz states,...

Several Hall sensor configurations have been integrated in CMOS 0.35 μm technology and analyzed in terms of offset at room temperature and offset drift. We searched for the best geometry that would minimize the offset and its corresponding drift. The targeted specifications were ±30 μT for offset at room temperature and ±0.3 μT/°C for the drift. The measurement setup developed to test the Hall ...

GaAs-InGaAs-AlGaAs Hall sensor, current source, differential amplifier, comparator and source follower were integrated to form the first highly sensitive, low power (~18 mW) III-V DC unipolar Hall integrated circuit. This is a three terminal device which utilises 2 μm gate length technology, offering very high yields, at least ~50% higher switching sensitivity (~ 6 mT) compared to existing comm...