MAXREFDES82# Smart Force Sensor

By Maxim Integrated 128

MAXREFDES82# Smart Force Sensor

Maxim Integrated's MAXREFDES82# features a next generation of intelligent, industrial, smart force sensor. The design measures mass as well as the center of mass of the object on it. The combination of features and speed means that MAXREFDES82# operates as both a weigh scale and a touch interface with force sensing. Built with a plastic plate, the system ideally meets the needs to industrial human machine interfaces (HMI).

The MAXREFDES82# senses force magnitude and position through four load-cells mounted on a quadrant of load-cells channeled into a multi-channel, 24-bit ADC. MAXREFDES82# senses weight and center of mass for objects placed on the platform. The scale provides full-scale responses up to 570 g. The user interface provides an active display of center of mass on the platform, as well as total measured weight. In addition to serving as a smart force sensor, the design works very well as a ruggedized touch interface with force sensing. The system consumes less than 50 mA during normal operation and features a USB interface for quick evaluation and integration.

Features
  • 3D human interface input
  • High-precision weigh scale
  • Low power ADC
  • Compact
Applications
  • 3D human interface input devices
  • Battery powered instrumentation
  • Industrial control and measurement
Resources
  • Scheme-It®: Design Starter

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