TMP102-Q1

Part: TMP102 — Texas Instruments

Type: Digital Temperature Sensor (SMBus / two-wire / I²C)

Description: 1.4–3.6 V, 12-bit digital temperature sensor with ±0.5 °C typical accuracy (±2 °C max from -25 to 85 °C), 7.5 μA max active current, and SMBus/I²C interface in a 1.6 mm × 1.6 mm SOT563 package.

Operating Conditions:

• Supply voltage: 1.4–3.6 V
• Operating temperature: -40 to 125 °C
• Serial clock: up to 0.4 MHz (fast mode) or 2.85 MHz (high-speed mode)

Absolute Maximum Ratings:

• Max supply voltage: 4 V
• Voltage at SCL, SDA, ADD0: 4 V
• Voltage at ALERT: ((V+) + 0.3) V and ≤ 4 V
• Max junction temperature: 150 °C
• Storage temperature: 150 °C
• ESD: ±2000 V HBM, ±1000 V CDM

Key Specs:

• Accuracy (TA = 25 °C, V+ = 1.4–3.6 V): ±0.5 °C typ / ±2 °C max from -25 to 85 °C; ±1 °C typ / ±3 °C max from -40 to 125 °C
• Resolution: 12 bit, 0.0625 °C
• Temperature vs supply: 0.2 °C/V typ, 0.5 °C/V max
• Average quiescent current (serial bus inactive): 4.8 μA typ / 7.5 μA max at default 4 conv/s (CR1 = 1, CR0 = 0); 3.2 μA typ / 5 μA max at CR1 = 0, CR0 = 1
• Shutdown current (serial bus inactive): 0.15 μA typ / 0.35 μA max
• Digital I/O: VIH min 0.7 × (V+), VIL max 0.3 × (V+); VOL max 0.4 V at V+ > 2 V and IOL = 3 mA
• Timeout time: 30 ms typ / 40 ms max
• Thermal resistance RθJA: 240.2 °C/W

Features:

• SOT563 package, 68% smaller footprint than SOT-23
• Accuracy without calibration
• Low quiescent current
• SMBus, two-wire, and I²C compatible interface
• SMBus alert function
• Up to four devices on one bus
• NIST traceable

Applications:

• Portable electronics
• Power-supply temperature monitoring
• Connected peripherals and printers
• PC and notebooks
• Battery management
• Enterprise machines
• Thermostats
• Electromechanical device temperatures
• General temperature measurement (factory automation, test and measurement, medical)

Package:

• SOT563 (DRL), 6 pins, 1.60 mm × 1.60 mm

• 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

• 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

Figure 4-1. DRL Package 6-Pin SOT563 Top View

Table 4-1. Pin Functions

At TA = 25°C and V+ = 1.4 to 3.6 V, unless otherwise noted.

Over operating free-air temperature range (unless otherwise noted) (1)

Over operating free-air temperature range (unless otherwise noted)

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.

• (1) For more information, see Section 10.
• (2) The package size (length × width) is a nominal value and includes pins, where applicable.

Block Diagram