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HVAC

Today’s automotive climate systems are no longer mechanically controlled. The need for improved energy efficiency, comfort, and performance has pushed Heating, Ventilation, and Air Control (HVAC) systems to adopt more sophisticated technologies and electronics components. Multiple inputs from a variety of sensors and passenger desires require the control of different types of motors, such as stepper motors for flaps, and DC/BLDC blower fan motors. ON Semiconductor offers a wide variety of products with the exact specifications and functions required to make HVAC control modules an integrated part of the cabin environment.
Interactive Block Diagrams
Technical Documents
Automatic HVAC Air Recirculation Made Easy with Stepper Motors
This technical note highlights the system requirements and operating conditions of automatic air recirculation valves and reviews compatibility of existing actuator types with these requirements. When comparing the available technologies, it becomes clear that air recirculation flap actuators containing a bipolar stepper motor offer key advantages over actuators with other motor types.
Automatic HVAC Air Recirculation Made Easy with Stepper Motors
PTC IGBT Driver Reference Design
This document is the entry point to the reference documentation of PTC heater discrete IGBT driver board evaluation platform, version 1.0.1.
PTC IGBT Driver Reference Design
Evaluation Boards
NCV7718GEVB:  Hex Half Bridge Driver with Protection Features Evaluation Board
The NCV7718 is a Hex Half-Bridge Driver with protection features designed specifically for automotive and industrial motion control applications. The NCV7718 has independent controls and diagnostics. 
NCV7718GEVB:  Hex Half Bridge Driver with Protection Features Evaluation Board
NCV7052XGEVK: Evaluation Kit for NV705 Family
The plug-and-play NCV7052xGEVK evaluation kit contains all necessary hardware and software needed to control the NCV7052x microstepping motor driver from your PC. The user-friendly Graphical User Interface (GUI) makes it possible to operate the evaluation kit in an easy way. 
NCV7052XGEVK: Evaluation Kit for NV705 Family
NV706271R2DBGEVB:  LIN ST Driver Stall SS Demonstration Evaluation Board
The NCV70627 is a single-chip micro-stepping motor driver with position controller and control/diagnostic interface. It is ready build dedicated mechatronics solutions connected remotely with LIN master.
NV706271R2DBGEVB:  LIN ST Driver Stall SS Demonstration Evaluation Board
NV706272R1DBGEVB: LIN ST Driver Stall SS Demonstration Evaluation Board
The NCV70627 is a single-chip micro-stepping motor driver with position controller and control/diagnostic interface. It is ready build dedicated mechatronics solutions connected remotely with LIN master.
NV706272R1DBGEVB: LIN ST Driver Stall SS Demonstration Evaluation Board
NV706281R2DBGEVB: DB LIN ST DRIVER STALL NQ
The NCV70628 is a single-chip micro-stepping motor driver with position controller and control/diagnostic interface. It is ready build dedicated mechatronics solutions connected remotely with LIN master.
NV706281R2DBGEVB: DB LIN ST DRIVER STALL NQ
SEC-PTC400-EVB: HVAC PTC IGBT Driver
The PTC IGBT Driver is a complete system solution for PTC HEV/EV vehicles applications, incorporating the power train, gate drivers and auxiliary subsystems to facilitate the adoption in custom designs.
SEC-PTC400-EVB: HVAC PTC IGBT Driver
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