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Data sheet
LMT84-Q1
- LMT84-Q1 is AEC-Q100 Qualified for Automotive Applications:
- Device Temperature Grade 0: –40°C to +150°C
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C6
- Very Accurate: ±0.4°C Typical
- Low 1.5-V Operation
- Average Sensor Gain of -5.5 mV/°C
- Low 5.4-µA Quiescent Current
- Wide Temperature Range: –50°C to 150°C
- Output is Short-Circuit Protected
- Push-Pull Output With ±50-µA Drive Capability
- Footprint Compatible With the Industry-Standard LM20/19 and LM35 Temperature Sensors
- Cost-Effective Alternative to Thermistors
The LMT84-Q1 is a precision CMOS temperature sensor with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 1.5-V supply voltage operation, 5.4-µA quiescent current, and 0.7-ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes.The LMT84-Q1 device is AEC-Q100 Grade 0 qualified and maintains ±2.7°C maximum accuracy over the full operating temperature range without calibration; this makes the LMT84-Q1 suitable for automotive applications such as infotainment, cluster, and powertrain systems. The accuracy over the wide operating range and other features make the LMT84-Q1 an excellent alternative to thermistors.
For devices with different average sensor gains and comparable accuracy, refer to Comparable Alternative Devices for alternative devices in the LMT8x family.
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Technical documentation
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View all 2 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LMT84-Q1 1.5-V, SC70, Analog Temperature Sensors datasheet | PDF | HTML | 20 Oct 2017 |
| Application note | SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) | 08 May 2019 |
Design & development
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Reference designs
TIDA-01184 — Smart Power Switch for Seat Heater Reference Design
This reference design showcases the TPS1HA08-Q1 device, which is used to control an automotive seat heater. The system consists of a main board and heating element, which represents the resistive heating component found in automotive seat heaters. This system demonstrates the ability to (...)
Reference designs
TIDA-00282 — Automotive Digitally Controlled Boost Power Supply
This TI reference design is an automotive voltage boost converter module. The purpose of this module is to supply a steady voltage to vehicle electronics by boosting during voltage droop events such as engine crank. The design is based on the C2000 Real-Time Microcontroller, and will provide up to (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-SC70 (DCK) | 5 | Ultra Librarian |
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