Over-temperature protection circuit, chip and electronic equipment
The utility model discloses an over-temperature protection circuit, a chip and electronic equipment, and belongs to the technical field of integrated circuits. The over-temperature protection circuit comprises a first constant current source module and a second constant current source module, the ou...
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| creator | ZHANG DAIZHONG WANG SHUAIQI ZHOU JIAN |
| description | The utility model discloses an over-temperature protection circuit, a chip and electronic equipment, and belongs to the technical field of integrated circuits. The over-temperature protection circuit comprises a first constant current source module and a second constant current source module, the output ends of the first constant current source module and the second constant current source module are jointly connected to the first end of a thermistor, and the second end of the thermistor is connected with a grounding end; the comparison circuit module is used for providing internal reference voltage to be compared with input voltage of the thermistor, the first end of the thermistor is connected with the input end of the comparison circuit module, the output end of the comparison circuit module is sequentially connected with a first phase inverter and a second phase inverter, the output end of the first phase inverter is further connected with the first constant current source module, and the output end of th |
| format | Patent |
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| language | chi ; eng |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR |
| title | Over-temperature protection circuit, chip and electronic equipment |
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