17882043. CMOS-BASED TEMPERATURE SENSOR simplified abstract (Apple Inc.)
Contents
CMOS-BASED TEMPERATURE SENSOR
Organization Name
Inventor(s)
Soheil Golara of San Jose CA (US)
Mansour Keramat of Los Gatas CA (US)
Seyedeh Sedigheh Hashemi of Santa Clara CA (US)
CMOS-BASED TEMPERATURE SENSOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 17882043 titled 'CMOS-BASED TEMPERATURE SENSOR
Simplified Explanation
The present disclosure describes a compact low voltage CMOS-based temperature sensor. The sensor includes a reference voltage generator, a temperature front-end circuit, and an analog-to-digital converter (ADC).
- The reference voltage generator generates a reference voltage that is independent of temperature.
- The temperature front-end circuit includes first and second transistors that generate a temperature signal proportional to temperature.
- The first transistor is electrically coupled to the reference voltage and the second transistor, and provides the temperature signal.
- The ADC is electrically coupled to the reference voltage and converts the temperature signal to a digital signal.
Potential applications of this technology:
- Temperature monitoring in electronic devices and systems
- Thermal management in computer processors and integrated circuits
- Environmental monitoring in smart homes and buildings
- Industrial process control and monitoring
Problems solved by this technology:
- Accurate temperature measurement in low voltage CMOS systems
- Generation of a reference voltage independent of temperature
- Conversion of analog temperature signal to digital for further processing
Benefits of this technology:
- Compact size suitable for integration into small electronic devices
- Low voltage operation for energy efficiency
- Accurate temperature measurement for improved system performance
- Compatibility with CMOS technology for easy integration into existing systems.
Original Abstract Submitted
The present disclosure describes embodiments of a compact low voltage CMOS-based temperature sensor. The CMOS-based temperature sensor can include a reference voltage generator, a temperature front-end circuit, and an analog-to-digital converter (ADC). The reference voltage generator can be configured to generate a reference voltage independent of temperature. The temperature front-end circuit can include first and second transistors configured to generate a temperature signal proportional to temperature. The first MOS transistor can include first and second terminals. The first terminal can be electrically coupled to the reference voltage. The second terminal can be electrically coupled to the second MOS transistor. The second terminal can provide the temperature signal. The ADC can be electrically coupled to the reference voltage and configured to convert the temperature signal to a digital signal.
