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Detailed Description

The SmartElex TMP117 High-Precision I2C Digital Temperature Sensor Breakout Module represents the absolute pinnacle of semiconductor-based thermal metrics, specifically engineered for applications where even a fraction of a degree matters. Built around the industry-acclaimed Texas Instruments TMP117 architecture, this module completely bypasses the signal degradation, trace resistance drops, and complex scaling math associated with traditional NTC thermistors or analog RTD sensors. The chip leverages a native 16-bit internal resolution Analog-to-Digital Converter (ADC) to evaluate temperatures down to a micro-fine step size of 0.0078°C, streaming clean digital data over a robust I2C communication protocol.

The TMP117 stands out due to its factory-calibrated precision, meeting ASTM E1112 and ISO 80601 clinical standards for electronic patient thermometers. To shield it from environmental and hardware-induced noise, the breakout board is populated with onboard 4.7kΩ I2C pull-up resistors, stabilizing your clock (SCL) and data (SDA) lines out of the box. Running comfortably on any power rail from 1.8V to 5.5V, the logic configuration handles open-drain signaling beautifully, meaning you can wire it directly to both 3.3V ARM/ESP32 architectures and legacy 5V microcontrollers like the Arduino Uno. SmartElex has engineered this board with modern Molex PicoBlade connectors arranged alongside traditional 0.1" (2.54mm) pin headers, opening the door to toolless rapid prototyping and rock-solid industrial integration.

Key Features and Benefits

• Medical-Grade Precision Out-of-the-Box: Delivers a maximum accuracy of $pm0.1^circ ext{C}$ within the human body temperature envelope ($30^circ ext{C}$ to $45^circ ext{C}$) and maintains tight bounds across its entire operating framework without tedious calibration algorithms.

• Microscopic 16-Bit Processing Resolution: Translates environment changes down to 0.0078°C steps, allowing it to register subtle thermal trends that standard sensors completely miss.

• Ultra-Low Power Optimization: Consumes a meager 3.5 µA during active 1-Hz conversion loops and slips into a 150 nA shutdown state, maximizing battery longevity in portable medical monitors and remote IoT nodes.

• Integrated Hardware Interrupts: Equipped with a dedicated alert pin (ALERT) that acts as a hardware thermostat, flipping instantly to notify the host CPU if custom-set high or low temperature thresholds are breached.

• Dual Interfacing Layout Architecture: Features pre-soldered Molex PicoBlade quick-connect terminals for plug-and-play wiring harnesses alongside generic 0.1" pitch pads for breadboards.

Technical Specifications

How to Use & Hardware Integration

⚠️ THERMAL ISOLATION WARNING: Because the TMP117 is incredibly sensitive, ambient heat radiating from your microcontroller, voltage regulators, or adjacent heavy circuitry can creep through copper PCB traces and skew the sensor's readings. For maximum medical-grade accuracy, mount the breakout board away from hot components, or connect it via flexible wire harnesses using the Molex PicoBlade port.

Standard Pinout Mapping:

• VCC: Power Input (1.8 V to 5.5 V DC).

• GND: Ground common circuit reference path.

• SDA: Serial Data I2C channel line.

• SCL: Serial Clock I2C rhythm timing line.

• ALERT: Programmable hardware alert active-low interrupt output pin.

• ADD0: I2C Address configuration control pin.

Changing the Default I2C Address:

The board defaults to I2C address 0x48. To connect multiple high-precision sensors to a single microcontroller bus, alter the address mapping by bridging the ADD0 trace line to your desired logic voltage tier:

• Connect ADD0 to GND $ ightarrow$ Address sits at 0x48 (Default setup).

• Connect ADD0 to VCC $ ightarrow$ Address changes to 0x49.

• Connect ADD0 to SDA $ ightarrow$ Address changes to 0x4A.

• Connect ADD0 to SCL $ ightarrow$ Address changes to 0x4B.

Applications

• Clinical Medical Wearables: Ideal for designing non-invasive continuous body temperature monitors and diagnostic health patches.

• Environmental & Incubator Chambers: Regulates sensitive ecosystems where strict thermal controls are mandatory, such as premature infant incubators or biological cell culture systems.

• Cold Chain Logistics & Food Storage: Tracks temperature variations in transit for vaccines, medications, and perishable luxury items to guarantee safety standards.

• Precision Laboratory Equipment: Integrates easily into calibration tools, smart weather hubs, and high-spec fluid testing arrays.

Package Includes

• 1 x SmartElex TMP117 High-Precision I2C Digital Temperature Sensor Breakout Board

• 1 x Straight 6-Pin 0.1" (2.54mm) Solder Male Header Strip

Shipping & Delivery

• Free shipping on all product orders above ₹999 across India

• Dispatched promptly within 1-3 business days

• Expected transit delivery times: Metro regions: 1-3 days; Other areas: 3-7 business days

• Safeguarded in static-shielding wrap configurations to prevent ESD degradation to the high-precision sensor IC