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Automotive : HVAC

Melexis has introduced a number of innovative solutions that help increase driver’s and passengers’ comfort in the fields of climate control.

For climate control systems Melexis is involved in virtually every domain that involves communication with the ECU. We introduced IR temperature sensing as a more accurate and cost-effective alternative for measuring body temperature. (Instead of measuring a sample of the air, our IR modules measure directly the body temperature. Its digital sensor interface allowed us to solve the traditional burdens of reliability and design complexity to use IR technology in cars.) Furthermore Melexis has a wide experience in HVAC with brushless DC Motor driver ICs, several driver ICs for HVAC actuator flaps, fan controllers, magnetic (Hall) valve position sensor ICs, pressure sensor ICs, pressure sensor interface ICs and LIN transceivers and MCUs to interface with the LIN sub bus.

Automotive : HVAC : Applications and Related Products
Comfort Sensing (View Application)
Part Number Description  
MLX90614 Digital, plug & play, infrared thermometer in a TO-can
MLX9O247 Infrared Sensor IC
 
Fan driver ICs (View Application)
Part Number Description  
US72 Single-Coil Fan Driver - High Voltage (Tachometer output)
US73 Single-Coil Fan Driver - High Voltage (Alarm output)
US79 Smart Fan Motor Driver
US90 Two-Coil Fan Driver - High Voltage (Tachometer output)
US91 Two-Coil Fan Driver - High Voltage (Alarm output)
 
Motor Control (View Application)
Part Number Description  
MLX10407 Five-Channel Gauge Driver w/ Serial Link
MLX10410 8-Channel High Side Driver
MLX81xxx Intelligent Automotive Actuator ASICs
MLX90401 Brushless DC Motor Controller (Not for new designs!)
 
Pressure Sensing (View Application)
Part Number Description  
MLX90257 Relative Integrated Pressure Sensor
MLX90269 Absolute Integrated Pressure Sensor
MLX90320 Automotive Smart Sensor Interface IC
 
Switches (View Application)
Part Number Description  
US1881 Hall Latch – High Sensitivity
 
Valve Position Sensing (View Application)
Part Number Description  
MLX90215 Precision Programmable Linear Hall IC
MLX90251 Programmable Linear Hall Effect Sensor
MLX90316 Rotary Position Sensor IC
 
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