SNIU052 November   2023

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Overview
    2. 2.2 Perforations & Connectability
    3. 2.3 Status LEDs & Subregulator
    4. 2.4 Programming Header
    5. 2.5 BSL Button
  9. 3Software
    1. 3.1 Software Download
      1. 3.1.1 Live Software on dev.ti.com
      2. 3.1.2 Offline Software
        1. 3.1.2.1 Download from dev.ti.com
    2. 3.2 Home Tab
    3. 3.3 Information Tab
    4. 3.4 Data Tab
    5. 3.5 Registers Tab
    6. 3.6 Collateral Tab
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks

2.2 Perforations & Connectability

The perforation between the USB controller and TMP110 sensor is labeled on both sides for pin connections. Once the sensor section is detached from the controller section, the user can interface with the sensor section in 2 different ways:

  • Soldering wires or 0.1'' header connectors: With this approach, the user has access to all pins of the device.
  • Installing a surface mount 4-pin JST connector: The breakable sensor section has the footprint of this connector so that the user can interface with controller boards that connect to I2C devices with JST cabling. With this method, the user only has access to the communication lines (SDA and SCL), supply, and ground.

Note that pullup resistors and protection diodes are on the controller section. Thus, when interfacing with other controller boards, TI recommends to verify that pullup resistors and protection circuitry are present on any controller board for safe and proper functionality.

Table 3-1 shows the pinout of the 4-pin connector footprint as reference.

Table 2-1 Connector Pinout
TMP110 PIN CONNECTOR PIN
GND 1
Vdd 2
SDA 3
SCL 4