The SSA-2 Series analog current sensors from Bourns are now available with an AEC-Q compliant components assembly option for high-reliability power system designs. The sensors provide analog current measurement with low insertion loss, electrically isolated signal output, integrated shunt and signal conditioning and are intended for applications such as DC-DC converters, battery management systems, motor […]
Current Sensor
Current sensor operates up to 1000 A, 3200 V
The DN1000ID-CP02 from Danisense is a current transducer designed for high-voltage power measurement in EV chargers, power inverters and battery energy storage systems, increasing creepage and clearance to 38 mm and supporting uninsulated cable voltages up to 3200 V. The device measures up to 1500 A with a 40 mm aperture and removable isolation insert, […]
Hall-effect current sensor achieves 0.55% typical sensitivity error
The ACS37017 from Allegro MicroSystems is a Hall-effect current sensor designed for high-voltage power conversion systems in AI data centers, electrified vehicles and industrial energy applications, offering 0.55% typical sensitivity error over temperature and lifetime. The device integrates reinforced isolation and a non-ratiometric voltage reference to reduce external components and system noise while supporting stable […]
Integrated current sensors measure 100 A and 1000 A, product digital outputs
Bourns, Inc. announced its SSD-1000A Digital Current Sensor Series. Highly integrated and compact, Bourns new shunt-based current sensors feature a current range from 100 A to 1000 A and offer exceptional accuracy, stability, and electrical isolation in a wide -40° C to +115° C operating temperature range. These features are required in a broad range of applications, […]
Current sensor achieves sub-1 ns delay time with 0.218 ppm noise level for measurements
LEM Electrical measurement technology specialist LEM adds two new members to its IN family of current sensors, suitable for a range of demanding systems in the medical, test and measurement, energy metering, and power sectors. The IN 1500-S current sensor is specifically designed for high performance and precision in 1500A nominal current applications, while the […]
Current sensing ICs reduce power loss with lower internal resistance
Allegro MicroSystems, Inc. announced the launch of two new current sensor ICs – the ACS37030MY and the ACS37220MZ. Leveraging Allegro’s cutting-edge sensing technology, these ICs provide low internal conductor resistance, high operating bandwidth, and reliable performance across a wide range of automotive, industrial, and consumer applications. Allegro’s new current sensor ICs are designed for precise […]
Coreless current sensor achieves 2 μs response time for EV applications
Melexis unveils the MLX91235, a new current sensor that eliminates the need for a ferromagnetic core. The MLX91235 expands Melexis’ portfolio, enabling the measurement of larger currents flowing through external primary conductors like PCB traces and busbars. It supports automotive and alternative mobility applications like inverters, battery management systems (BMSs), and low-voltage DC-DC converters. Power […]
Current sensors offer compact design and enhanced integration
Molex has announced the Percept Current Sensors, designed to meet the demand for precise busbar current sensing in industrial and automotive applications. These sensors incorporate Infineon’s coreless current sensors and Molex’s proprietary electronics packaging technology, resulting in smaller, lighter devices that simplify installation and system integration. The Percept Current Sensors feature a compact, coreless design and […]
How current sensing impacts electric vehicles: part 2
Part 1 of this blog addressed current shunts and Hall-effect sensor designs. This part discusses current transformers and new technology options, such as magnetoresistance and diamond quantum sensors. One of the significant issues in today’s electric vehicles (EVs) is the ongoing evolution of technology, with the standards evolving as well. In the 100+ years that […]
How current sensing impacts electric vehicles: part 1
The need to transition from gasoline and diesel (fossil fuels) powered vehicles to electric vehicles (EVs) to reduce carbon dioxide levels has revealed many controversial issues. Common issues include implementation timing, required infrastructure (including fast-charging multi-vehicle systems), legislated rather than consumer-based adoption, ongoing system enhancements, and new critical raw materials sources. Current sensing technology is […]
