Overview
The NXP® S12G automotive HVAC platform reference solution uses the scalable S12G 16-bit MCU family with MC33905, MC33932 and MC33937 analog devices to drive stepper, DC and BLDC motors and provide a feature-rich solution for automotive HVAC applications.
- Consists of a central control board with (HMI, a motor control board, flap and blower motors
- Enables basic functions of an auto HVAC using temperature, light, humidity and air quality sensing interfaces with configurable automatic climate control software algorithm to efficiently control vehicle climate
- Reduces overall design effort, shortens time to market and can be tailored for both 12V and 24V systems
Features
- Three types of motor control sensorless BLDC DC stepper motor
- Automatic climate control
- Supports multiple temperature zones
- Ultra low power mode, can be woken up by HMI or LIN CAN bus
- CAN and LIN communication interfaces
- 3x3 matrix keypad and two encoder knob inputs
- 4x37 segment LCD and adjustable backlighting
- Sensor interfaces for temperature, light, humidity and air quality available
- Two logic relay interfaces to compressor defrost module
- Real-time clock and date display, adjustment for calendar
- Extensible with touch keyboard or touchscreen board
- Suitable for both 12 volt and 24 volt HVAC systems
