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Automotive Capacitive Sensor Conditioner with LIN Interface

Part Number: NSC9262
Brand: Novosense


The NSC9262 is a highly integrated and AEC-Q100 qualified integrated circuit (IC) designed for the conditioning of capacitive sensors. Here are the key features and functionalities of the NSC9262:


  1. C/V Converter: The NSC9262 integrates a capacitance-to-voltage (C/V) converter, which is essential for converting the capacitance variations from sensors into voltage signals for further processing.
  2. 24-Bit Capacitance Measurement Channel: This IC includes a 24-bit capacitance measurement channel, enabling high-resolution and accurate measurement of capacitance changes in connected sensors.
  3. 24-Bit Temperature Measurement Channel: In addition to capacitance measurement, the NSC9262 features a 24-bit temperature measurement channel. This allows for precise temperature monitoring, which can be crucial in various sensing applications.
  4. Sensor Calibration Logic: The IC incorporates sensor calibration logic, along with an internal calibration algorithm built into the microcontroller unit (MCU). This enables the compensation of temperature drift in both zero and span parameters up to the 2nd order, as well as linearity correction up to the 3rd order with a calibration error of less than 0.1%.
  5. Calibration Coefficient Storage: The calibration coefficients are stored in a 57-byte EEPROM within the IC. This ensures that calibration data is readily available and can be used for accurate sensor compensation.
  6. Over-Voltage and Reverse Voltage Protection: The NSC9262 provides over-voltage and reverse voltage protection, safeguarding the IC and the connected sensors from potential damage due to voltage anomalies.
  7. LIN (Local Interconnect Network) Output: The IC supports LIN output with sensor diagnostic functionality. This allows for communication and diagnostic capabilities within a LIN network, making it suitable for automotive and industrial applications where LIN communication is common.

AEC-Q100 Qualified: The NSC9262 has been qualified according to the AEC-Q100 standard, which is a rigorous automotive industry qualification standard. This qualification ensures that the IC meets the demanding requirements of automotive applications, including environmental and reliability standards.

In summary, the NSC9262 is a highly integrated IC designed to condition capacitive sensors, providing accurate capacitance and temperature measurements. Its built-in calibration capabilities, EEPROM storage, protection features, and LIN output with diagnostics make it suitable for a wide range of applications, including automotive and industrial settings where precise sensor measurements and communication are essential.


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