Description

The MLX16305 is designed to diagnose the state of remote interlock switches in automotive safety applications. Its high accuracy allows it to be applied in a broad range of related automotive and industrial applications using current modulated sensors and switches.

Features and Benefits

6 sense Channels

Large supply current + supply voltage range for maximum contact cleaning

Applicable with all 2-wire Hall effect switches

Diagnoses open wires, shorts to Supplies and shorts between wires

o Current and Voltage measurement mode

o High measurement accuracy: 5

Current limited supply regulator

Automotive qualified (40V Load Dump)

Over-temperature detection

Small Package: narrow body (150mils) SO16, RoHS compliant

Applications

General Fail safe read out of safety interlock switches to

o Detect human action

o Verify solenoid/motor actuation

Automotive applications

o Next to the Safety ECU: interlock switch sensor supply and sensor I/F

◾ Seat belt buckle

◾ Seat occupancy mat

◾ Air bag presence detection

◾ Seat position switch

◾ Airbag disable switch

o Next to Smart Junction Box / Body Control Module: Contact monitoring

◾ Foot Brake pressed detection

◾ Park position of the automatic transmission

◾ Door lock position

◾ …

o Analog Mux

◾ Resistive coded rotary encoder

◾ Fuel run dry switch

◾ Seat Heater switch

◾ …

Industrial applications:

o Industrial Security doors and machine guarding

o General 2 wire analog sensors :

◾ Industrial pressure, strain gauge, … sensors (ref. MLX90308, MLX90314)