
Melexis Microelectronic Systems
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)