TMP175

TMP175, TMP75 SBOS288M – JANUARY 2004 – REVISED DECEMBER 2020 TMPx75 Temperature Sensor With I2C and SMBus Interface in Industry Standard LM75 Form Factor and Pinout 1 Features TMP175: 27 Addresses TMP75: 8 Addresses, NIST Traceable Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility Resolution: 9 to 12 Bits, User-Selectable Accuracy: – ±1 °C (Typical) from −40 °C to +125 °C – ±2 °C (Maximum) from −40 °C to +125 °C Low Quiescent Current: 50-μA, 0.1-μA Standby Wide Supply Range: 2.7 V to 5.5 V Small 8-Pin MSOP and 8-Pin SOIC Packages 2 Applications Power-Supply Temperature Monitoring Computer Peripheral Thermal Protection Notebook Computers Cell Phones Battery Management Office Machines Thermostat Controls Environmental Monitoring and HVAC Electro Mechanical Device Temperature TMP175 and TMP75 Internal Block Diagram Temperature 1 SDA Diode Temp. Sensor Control Logic 8 V+ SCL 2 3 ALERT ΔΣ ADC 7 A0 Serial Interface 6 A1 GND 4 OSC Config. 5 and Temp. A2 Reg is ter 3 Description The TMP75 and TMP175 devices are digital temperature sensors ideal for negative temperature coefficient (NTC) and positive temperature coefficient (PTC) thermistor replacement. The devices offer a typical accuracy of ±1 °C without requiring calibration or external component signal conditioning. Device temperature sensors are highly linear and do not require complex calculations or look-up tables to derive the temperature. The on-chip 12-bi...