Melexis introduces the MLX91218-LF, a sub-100A IMC-Hall current sensor designed for lower current applications. It supports smart energy monitoring in residential and small industrial power distribution units, micro-grids, and EV charging cables. The sensor features a 400 kHz bandwidth and 2 µs response time, with low thermal drift and high linearity for accurate measurement. It also includes dual internal and external threshold over-current detection for smart functions.
Recent #Current Sensor news in the semiconductor industry
➀ ABLIC has launched the S-5611A linear Hall effect IC with top-class low noise performance; ➁ The IC is suitable for current sensors, position detection, and rotation detection applications; ➂ It offers programmable response time and frequency band selection, contributing to improved inverter performance and energy efficiency.
➀ Novosense Microelectronics has announced a series of automotive-grade IC current sensors with 5kVrms isolation between the current path and sensing circuitry; ➁ The NSM211x series features a 1MHz -3dB bandwidth and 400ns response time; ➂ The sensors offer various packaging options and can handle continuous currents up to 100A.
➀ Allegro MicroSystems has introduced 1MHz bandwidth current sensors that can measure hundreds of amps; ➁ The technology is tunneling magnetoresistance, and the sensors are intended to sit over the current-carrying PCB track to be measured; ➂ There are two base part numbers: CT455 and CT456, with the CT456 supporting differential sensing and only available in 8-lead TSSOP.
➀ Molex introduces Percept Current Sensors, combining Infineon's coreless technology with their own packaging to create compact, lightweight sensors for industrial and automotive use. ➁ These sensors are 86% lighter and up to half the size of competitors, offering high accuracy and noise reduction. ➂ The sensors feature a configurable design and reduce environmental impact by using 99% less water and eliminating chemical use and copper sludge generation.
1. Allegro MicroSystems has introduced a 4 x 4mm QFN current sensor, ACS37220, capable of measuring up to ±200A with bidirectional capabilities. 2. The sensor offers multiple versions with varying sensitivity and operation voltage options. 3. It features a digitally calibrated and compensated analogue signal chain, with a bandwidth of 150kHz and accuracy within ±3.1% over a wide temperature range.