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    PCT2075 High-Resolution I2C Temperature Sensor – STEMMA QT / Qwiic Robotics Bangladesh
    • PCT2075 High-Resolution I2C Temperature Sensor – STEMMA QT / Qwiic Robotics Bangladesh
    • PCT2075 High-Resolution I2C Temperature Sensor – STEMMA QT / Qwiic Robotics Bangladesh

    PCT2075 High-Resolution I2C Temperature Sensor – STEMMA QT / Qwiic

    RBD-4163

    The PCT2075 Temperature Sensor is a high-precision digital temperature sensor designed as a code-compatible drop-in replacement for the widely used LM75. While maintaining the same basic behavior and register structure, the PCT2075 improves measurement precision by using an 11-bit ADC, compared to the LM75’s 9-bit resolution. This results in smoother, more accurate temperature readings, especially useful for monitoring small temperature changes.

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    Description

    Product Description

    The PCT2075 Temperature Sensor is a high-precision digital temperature sensor designed as a code-compatible drop-in replacement for the widely used LM75. While maintaining the same basic behavior and register structure, the PCT2075 improves measurement precision by using an 11-bit ADC, compared to the LM75’s 9-bit resolution. This results in smoother, more accurate temperature readings, especially useful for monitoring small temperature changes.

    A major advantage of the PCT2075 is its three-state address pin design (high, low, floating). This allows up to 27 sensors on a single I2C bus, far exceeding the 8-device limit of the LM75. This makes the sensor ideal for multi-point temperature monitoring applications such as thermal mapping, equipment monitoring, or distributed sensing systems.

    The sensor continuously measures temperature and provides programmable over-temperature threshold and alert functionality. When the measured temperature exceeds a user-defined limit, the ALERT pin can be triggered, allowing hardware-level warnings without constant I2C polling. Measurement behavior and alert modes can be configured through standard I2C registers.

    The breakout board includes all required support circuitry and uses the STEMMA QT / Qwiic form factor, enabling solder-free connections using JST-SH cables. It works seamlessly with 3.3 V or 5 V logic systems and is suitable for microcontrollers and single-board computers.


    Key Features

    • Digital I2C temperature sensor

    • 11-bit ADC for higher resolution than LM75

    • LM75 register and code compatibility

    • Three-state address pins support up to 27 devices on one I2C bus

    • Programmable over-temperature threshold with ALERT output

    • STEMMA QT / Qwiic JST-SH connectors for solderless wiring

    • Works with 3.3 V and 5 V systems


    Typical Applications

    • Multi-point temperature monitoring

    • Embedded system thermal protection

    • Industrial and lab instrumentation

    • Enclosure and PCB temperature tracking

    • IoT devices and environmental monitoring


    Interface & Power

    • Communication interface: I2C

    • Logic level compatibility: 3.3 V / 5 V

    • STEMMA QT / Qwiic connectors on board

    • I2C address configurable via address pins


    Package Includes

    • 1 × PCT2075 Temperature Sensor Breakout Board

    Product Details
    RBD-4163
    1 Item

    Specific References

    EAN13
    4163
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