Posted in | News | Pressure Sensor

MAXIM Unleashes a Two-Channel Sensor for PRKE Systems

Maxim has launched the MAX1441, a proximity and touch sensor IC with two channels, to be used in PRKE (passive-entry) and user-control systems, to deliver absolute, detached applications, to decrease system size and cost outlay by 30%.

A power supply ranging between 5V and 28V is needed to operate the MAX1441, having a 45V over voltage protection capacity, along with an external diode and -12V reverse voltage protection ability. Its attributes include integrated power regulation, long-range detection, spread-spectrum anti-jamming technology, reverse-voltage and over voltage protections and also very less power consumption levels (lesser than 100 µA). A MAXQ microcontroller is implanted in this IC, and provides sufficient memory levels to sustain customized algorithms.

This sensor system’s touch and proximity sensing abilities help the automobile drivers to release or padlock the vehicles, without using the vehicle’s keys. These sensing systems normally utilize 8-bit, microcontrollers, along with peripheral discrete mechanisms and ADCs, to facilitate encoding special operations, such as offset tracking, communication protocols and diagnostics. User-defined functions are eliminated, because these sensors use sensing algorithms, which cannot be programmed by a user. It is packed in a 20-pin TSSOP and operates in a temperature range of -40°C and +105°C.

Source: http://www.maxim-ic.com/

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