Sensor output and temperature sweep
The Texas Instruments LMT84LPGM is an analog-output local temperature sensor with a 5.5 mV/°C output slope, covering -50°C to 150°C. The linear analog voltage eliminates the need for an I²C or SPI bus — a single ADC channel reads the temperature, which simplifies the BOM for designs that already have a spare analog input. Accuracy is specified at ±2.7°C across the full -50°C to 150°C range, tested at 0°C to 150°C. For a powertrain or engine-bay sensor monitoring coolant or oil temperature, this tolerance is sufficient for fault detection and derating logic without requiring a precision reference.
Supply rail and package fit
The TO-92-3 through-hole package (TO-226-3 short body) is a three-lead footprint — VDD, GND, VOUT — that hand-solders easily and suits prototype or low-volume builds where reflow is not available. The operating temperature range of -50°C to 150°C matches the AEC-Q100 Grade 0 band, making this sensor suitable for under-hood or transmission-mounted applications where ambient peaks exceed 125°C.