Ultra-Low-Power, 1.8 V, 1 Deg. C Accuracy, Digital Temperature Sensor with I2C-Bus Interface

PCT2202UK

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The PCT2202 is an I2C bus, serial output temperature sensor available in a tiny WLCSP6 package. Requiring no external components, the PCT2202 is capable of reading temperatures at 12-bit resolution or 0.0625 °C with an accuracy of ±0.5 °C from 0 °C to 85 °C.

The PCT2202 features SMBus and I2C bus interface compatibility including HSM (High-Speed Mode: 3.4 MHz) and allows up to four devices on one bus. It also features an SMB alert function.

The PCT2202 is ideal for extended temperature measurement in a variety of communication, computer, consumer, environmental, industrial, and instrumentation applications. The device is specified for operation over a temperature range of ‑40 °C to +125 °C and a voltage range of 1.65 V to 1.95 V.

Product Details

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Features

  • Tiny WLCSP6 package
  • Accuracy: 0.5 °C from 0 °C to +85 °C
  • Low quiescent current:
    • 30 μA Active
    • 1 μA Shut-down
  • Supply range: 1.8 V ± 0.15 V
  • Resolution: 12 bits
  • Two-wire I2C bus serial interface including HS Mode 3.4 MHz
  • Firmware identical to TMP102
  • ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

Target Applications

  • Portable and battery-powered applications
  • Power supply temperature monitoring
  • Computer peripheral thermal protection
  • Notebook computers
  • Battery management
  • Thermostat controls
  • Electromechanical device temperatures
  • General temperature measurements:
    • Industrial controls
    • Test equipment
    • Medical instrumentation

Design Resources

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Documentation

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Design Files

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1 design file

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5 engineering services

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