Integrated temperature sensor

• Main Authors: HAO BAOTIAN, WANG HANQING, QIN PENG, LIU YINCAI
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• Subjects: MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

The invention relates to the technical field of integrated temperature sensor design, and specifically discloses an integrated temperature sensor comprising a sensor main body unit which comprises a current mirror, a first NPN tube, a second NPN tube, a first resistor and a second resistor and is used for generating PTAT voltage; and the driving unit is electrically connected with the sensor main body unit and is used for increasing the driving capability of the PTAT voltage. The driving unit is matched with the sensor main body unit to work, so that the driving capability of PTAT voltage is improved, the problem of capability of sink current and pull current of a PTAT voltage node of a conventional integrated temperature sensor is solved, and accurate and stable sampling of the temperature is realized. 本发明涉及集成温度传感器设计技术领域，具体公开一种集成温度传感器，包括：传感器主体单元，包括电流镜、第一NPN管、第二NPN管、第一电阻和第二电阻，所述传感器主体单元用于产生PTAT电压；驱动单元，与所述传感器主体单元电连接，用于增加所述PTAT电压的驱动能力。本发明通过驱动单元配合传感器主体单元工作，增加了PTAT电压的驱动能力，解决了常规集成温度传感器的PTAT电压节点灌电流和拉电流的能力的问题，实现了对温度精