TMP102-Q1
Low-Power Digital Temperature SensorThe TMP102-Q1 is a low-power digital temperature sensor from Texas Instruments. View the full TMP102-Q1 datasheet below including electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Category
Temperature SensorsOverview
Part: Texas Instruments TMP102
Type: Low-Power Digital Temperature Sensor
Description: The TMP102 is a low-power digital temperature sensor with a 1.4V to 3.6V supply range, 12-bit resolution, and SMBus/two-wire/I2C interface compatibility, offering ±2.0°C maximum accuracy from -25°C to 85°C.
Operating Conditions:
- Supply voltage: 1.4 V to 3.6 V
- Operating temperature: -40 °C to 125 °C
- Resolution: 12 bits
- Interface: SMBus, two-wire, and I2C interface compatibility
Absolute Maximum Ratings:
- Max supply voltage: 4 V
- Max junction/storage temperature: 150 °C
Key Specs:
- Temperature Range: -40 °C to 125 °C
- Accuracy (-25°C to 85°C): ±2 °C (maximum)
- Accuracy (-40°C to 125°C): ±3 °C (maximum)
- Resolution: 0.0625 °C
- Average quiescent current (default): 7.5 μA (maximum, serial bus inactive, CR1=1, CR0=0)
- Shutdown quiescent current: 0.35 μA (maximum, serial bus inactive)
- Conversion time (default): 4 ms (CR1=1, CR0=0)
- SCL operating frequency: 0.001 to 2.85 MHz (High-Speed Mode)
Features:
- SOT563 package (1.6mm × 1.6mm) is a 68% smaller footprint than SOT-23
- Accuracy without calibration: -2.0°C (maximum) from -25°C to 85°C, -3.0°C (maximum) from -40°C to 125°C
- Low quiescent current: 7.5μA active (maximum), 0.35μA shutdown (maximum)
- Supply range: 1.4V to 3.6V
- Resolution: 12 bits
- Digital output: SMBus, two-wire, and I2C interface compatibility
- NIST traceable
Applications:
- Portable electronics
- Power-supply temperature monitoring
- Connected peripherals and printers
- PC and notebooks
- Battery management
- Enterprise machine
- Thermostat
- Electromechanical device temperatures
- General temperature measurements: Factory automation & control, Test & measurement, Medical and healthcare
Package:
- SOT563 (6 pins, 1.60mm × 1.60mm)
Features
- SOT563 package (1.6mm × 1.6mm) is a 68% smaller footprint than SOT-23
- Accuracy without calibration:
- -2.0°C (maximum) from -25°C to 85°C
- -3.0°C (maximum) from -40°C to 125°C
- Low quiescent current:
- -7.5μA active (maximum)
- -0.35μA shutdown (maximum)
- Supply range: 1.4V to 3.6V
- Resolution: 12 bits
- Digital output: SMBus, two-wire, and I 2 C interface compatibility
- NIST traceable
Applications
- Portable electronics
- Power-supply temperature monitoring
- Connected peripherals and printers
- PC and notebooks
- Battery management
- Enterprise machine
- Thermostat
- Electromechanical device temperatures
- General temperature measurements:
- -Factory automation & control
- -Test & measurement
- -Medical and healthcare
Simplified Schematic
Simplified Schematic
Pin Configuration
Figure 4-1. DRL Package 6-Pin SOT563 Top View
Table 4-1. Pin Functions
| PIN | PIN | TYPE (1) | DESCRIPTION |
|---|---|---|---|
| NO. | NAME | TYPE (1) | DESCRIPTION |
| 1 | SCL | I | Serial clock |
| 2 | GND | - | Ground |
| 3 | ALERT | O | Overtemperature alert. Open-drain output; requires a pullup resistor. |
| 4 | ADD0 | I | Address select. Connect to GND or V+ |
| 5 | V+ | I | Supply voltage, 1.4 V to 3.6 V |
| 6 | SDA | I/O | Serial data. Open-drain output; requires a pullup resistor. |
Electrical Characteristics
At TA = 25°C and V+ = 1.4 to 3.6 V, unless otherwise noted.
| PARAMETER | PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|---|
| TEMPERATURE SENSOR | TEMPERATURE SENSOR | TEMPERATURE SENSOR | TEMPERATURE SENSOR | TEMPERATURE SENSOR | TEMPERATURE SENSOR | TEMPERATURE SENSOR | TEMPERATURE SENSOR |
| Range | Range | -40 | 125 | °C | |||
| Accuracy (temperature | -25°C to 85°C -40°C to 125°C | ± 0.5 ± 1 | ± 2 ± 3 | °C | |||
| vs supply | vs supply | 0.2 | 0.5 | °C/V | |||
| Resolution | Resolution | 0.0625 | °C | ||||
| DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT |
| Input capacitance | Input capacitance | 3 | pF | ||||
| V IH | Input logic high | Input logic high | 0.7 × (V+) | 3.6 | V | ||
| V IL | Input logic low | Input logic low | -0.5 | 0.3 × (V+) | V | ||
| I IN | Input current | Input current | 0 < V IN < 3.6V | 1 | μA | ||
| V OL | SDA | V+ > 2 V, I OL = 3 mA | 0 | 0.4 | |||
| Output logic | SDA | V+ < 2 V, I OL = 3 mA | 0 | 0.2 × (V+) | |||
| V OL | ALERT | V+ > 2 V, I OL = 3 mA | 0 | 0.4 | V | ||
| V OL | ALERT | V+ < 2 V, I OL = 3 mA | 0 | 0.2 × (V+) | |||
| Resolution | Resolution | 12 | Bit | ||||
| Conversion time | Conversion time | CR1 = 0, CR0 = 0 | 10 0.25 | 15 | ms Conv/s | ||
| Conversion | CR1 = 0, CR0 = 1 CR1 = 1, CR0 = 0 (default) CR1 = 1, CR0 = 1 | 1 4 8 | |||||
| Timeout time | Timeout time | 30 | 40 | ms | |||
| POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY |
| Operating supply range | Operating supply range | 1.4 | 3.6 | V | |||
| I | Serial bus inactive, CR1 = 0, CR0 = 1 | 3.2 | 5 | ||||
| Average quiescent | Serial bus inactive, CR1 = 1, CR0 = 0 (default) | 4.8 | 7.5 | ||||
| Q | Serial bus active, SCL frequency = 400 kHz Serial bus active, SCL frequency = 2.85 MHz Serial bus inactive | 10 40 0.15 | 0.35 | μA | |||
| Shutdown | I SD | I SD | Serial bus active, SCL frequency = 400 kHz Serial bus active, SCL frequency = 2.85 MHz | 5.5 35 | μA | ||
| TEMPERATURE | TEMPERATURE | TEMPERATURE | TEMPERATURE | TEMPERATURE | TEMPERATURE | TEMPERATURE | TEMPERATURE |
| Specified range | Specified range | -40 | 125 | °C | |||
| Operating | range | range | -55 | 150 | °C |
Absolute Maximum Ratings
Over operating free-air temperature range (unless otherwise noted) (1)
| MAX | UNIT | |
|---|---|---|
| Supply voltage | 4 | V |
| Voltage at SCL, SDA and ADD0 (2) | 4 | V |
| Voltage at ALERT | ((V+) + 0.3) and ≤ 4 | V |
| Operating temperature | 150 | °C |
| Junction temperature | 150 | °C |
| Storage temperature, T stg | 150 | °C |
Recommended Operating Conditions
Over operating free-air temperature range (unless otherwise noted)
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V+ | Supply voltage | 1.4 | 3.3 | 3.6 | V |
| T A | Operating free-air temperature | -40 | 125 | °C |
Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | TMP102 DRL (SOT563) 6 PINS | UNIT |
|---|---|---|---|
| R θJA | Junction-to-ambient thermal resistance | 240.2 | °C/W |
| R θJC(top) | Junction-to-case (top) thermal resistance | 96.4 | °C/W |
| R θJB | Junction-to-board thermal resistance | 124.3 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 4 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 123.1 | °C/W |
Typical Application
The TMP102 device is used to measure the PCB temperature of the board location where the device is mounted. The programmable address options allow up to four locations on the board to be monitored on a single serial bus.
Package Information
| PART NUMBER | PACKAGE (1) | PACKAGE SIZE (2) |
|---|---|---|
| TMP102 | SOT563 (6) | 1.60mm × 1.60mm |
- (1) For more information, see Section 10.
- (2) The package size (length × width) is a nominal value and includes pins, where applicable.
Block Diagram
Block Diagram
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| TMP102 | Texas Instruments | SOT563 (6) |
| TMP102AIDRLR | Texas Instruments | — |
| TMP102AIDRLT | Texas Instruments | — |
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.
Get structured datasheet data via API
Get started free