What makes everything so smart? In the building automation system you will find intelligent thermostats, smart light switches, smart light bulbs, smart refrigerators, smart heaters and other appliances as well as all forms of smart devices. Putting it all together is a great building automation system.
A new generation of microcontrollers (MCUs) is driving the revolution in building automation with high integration and ultra-low power consumption, fully configurable ferroelectric random access memory (FRAM) and ultra-sensitive for connecting advanced sensors The analog front end is pushing more and more smart applications to office buildings, factories, apartment complexes, or arguably any corner of an automated building.
These powerful devices in the MCU field provide developers with a flexible configurable foundation on which they can build a range of intelligent endpoints and sensors, microprocessors, central control systems and other types of Building automation system components work together.
Intelligent thermostats are a good example of the design advantages of these new MCUs in building automation applications. The first intelligent thermostat is an upgrade to a programmable device that does not require the user to program a temperature change schedule for a day or week, but instead "learns" the user's changes to the temperature setting and then automatically predicts the change. In addition, many smart thermostats can be connected to wireless communication technologies such as Wi-Fi® or Bluetooth Low Energy, allowing users to view thermostat status, change settings or monitor operations on a wirelessly connected smartphone or central control system. .
Many intelligent thermostats must be equipped with an ultra-low-power, flexible sensing subsystem for processing temperature and humidity sensor signals. By monitoring temperature and humidity, the thermostat ensures a specific comfort for the space occupants, rather than just maintaining a constant temperature. At a particular temperature, people prefer a lower humidity environment than high humidity levels. Mastering the temperature and humidity levels allows the smart thermostat to adjust the temperature to the proper level of comfort, although continuous monitoring of both parameters can significantly increase power consumption and drain the device's battery more quickly. Therefore, low power consumption is a major requirement for intelligent thermostats.
Of course, more integration with these new MCUs can help reduce power consumption, and some of these devices, such as the MSP430FR2311 MCU, have an analog front end with standard op amps and the industry's lowest leakage current with 50 picoamperes (pA). A 1 amp rated standby power transimpedance amplifier (TIA). A sensor subsystem using this MCU can run on a battery for 10 years. If the MCU is integrated with a digitally controlled oscillator, it takes less than 10 microseconds to wake it from low-power standby mode to active mode. FRAM memory is also a low power storage medium. It is a non-volatile memory like flash memory, but with fast and low-power write performance, writes up to 1015 cycles; higher security makes it less vulnerable than flash or EEPROM; It also has unparalleled configuration flexibility.
The performance of the MSP430FR2311 MCU unit makes it suitable for intelligent thermostat applications as well as other building automation devices such as occupancy sensors, smoke or gas detectors, wireless power switches and more.
other information:
Start development with the MSP430FR2311 MCU LaunchPadTM Development Kit!
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