Melexis Reveals Compact, Low-Voltage 3D Magnetometer MLX90392 for Consumer Applications

时间： 2021-05-13 来源：Melexis

技术问答

6 May 2021 - MELEXIS, a global microelectronics engineering company, is targeting white goods, consumer electronics, and smart-metering applications with the MLX90392 three-axis magnetic field sensor, which can operate from a 1.8V power rail shared with other components such as logic devices.

Requiring no dedicated LDO or regulator, the competitively priced MLX90392 simplifies design, trims bill-of-materials costs, and saves PCB space. Measuring just 2mm×2.5mm×0.4mm, the sensor features a UTDFN-8 ultra-thin no-lead 8-pin package to help designers tackle space-constrained applications. In addition, a 1.5µA power-down mode helps save energy and thus maximize runtime in battery-powered applications.

With an integrated thermal sensor, and featuring an I2C communication protocol, the MLX90392 places 16-bit position measurements in X, Y, Z axes, and temperature, onto the I2C bus operating at up to 1MHz. Two variants are available, allowing a choice of ±50mT and ±5mT full-scale range, leveraging Melexis' patented Triaxis^® Hall technology to deliver low noise and best-in-class accuracy.

The ±50mT range is optimal for position measurement in HMI applications, door-closure detection in white goods and access-control systems, anti-tamper for smart meters, and contactless joysticks that save the power dissipated by the traditional position sensing with potentiometers. For position sensing which requires a small magnetic range, and for precise position measurement where noise is a critical design parameter, the ±5mT variant has a sensitivity of 0.15µT/LSB and typical RMS noise down to 0.3µT.

Both devices support single-measurement and continuous-measurement modes, giving outstanding design flexibility, while self-test status, data-ready, and magnetic sensor-overflow indication provide comprehensive diagnostics.

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型号- MLX92362,MLX90340,MLX92242,MLX90819,PTC-04,MLX90817,MLX90818,MLX90374,MLX90376,MLX90333,MLX90377,MLX90378,MLX90215,MLX90292,MLX90293,MLX90371,MLX90372,MLX90251,MLX92232,MLX90373,MLX92352,MLX90809,MLX91218,MLX91219,MLX90328,MLX90329,MLX90363,MLX90364,MLX90365,MLX91377,MLX90288,MLX90366,PTC04-DB-922XX,MLX90367,MLX90324,MLX91216,MLX91217,MLX90360,MLX90316,MLX91207,MLX91208,MLX91209,MLX90517,MLX90397,MLX90510,MLX90830,MLX90513,MLX91206,MLX92292,MLX90392,MLX90393,MLX90394,MLX90395,PTC-04-DB-MUPET,PTC-04-DB-HALL03,PTC-04-DB-HALL04,PTC-04-DB-HALL06,MLX90426,MLX90822,MLX90823,MLX90824,PTC-04-DB-90316,PTC-04-DB-HALL01,MLX90825,PTC04-DB-HALL05,PTC04-DB-HALL03,MLX90421,MLX90422,DB-SPI,MLX90423,MLX90820,MLX90425,MLX90821

选型指南 - MELEXIS - V12 - 01-2024 PDF 英文下载