SBOU079D july   2009  – july 2023 INA220 , INA220-Q1

 

  1.   1
  2.   INA220 Evaluation Module
  3.   Trademarks
  4. 1Overview
    1. 1.1 INA220EVM Hardware
    2. 1.2 Related Documentation from Texas Instruments
    3. 1.3 Information About Cautions and Warnings
  5. 2System Setup
    1. 2.1 Theory of Operation for INA220_Test_Board Hardware
    2. 2.2 Signal Definitions of J1 (25-Pin Male DSUB)
    3. 2.3 Theory of Operation For USB_DIG_Platform
  6. 3INA220EVM (Rev A) Hardware Setup
    1. 3.1 Electrostatic Discharge Warning
    2. 3.2 Typical Hardware Connections
    3. 3.3 Connecting the Hardware
    4. 3.4 Connecting Power
    5. 3.5 Connecting the USB Cable to the INA220EVM
    6. 3.6 INA220 Jumper Settings
    7. 3.7 Connecting External Power to the INA220EVM
    8. 3.8 Connecting External Signals to the INA220EVM
  7. 4INA220 Software Overview
    1. 4.1 INA220EVM Software Install
    2. 4.2 Starting the INA220EVM Software
    3. 4.3 Using the INA220 Software
      1. 4.3.1 Overview Tab
      2. 4.3.2 Config Tab
      3. 4.3.3 Calibration Tab
      4. 4.3.4 Scaling Tab
      5. 4.3.5 Graph Tab
      6. 4.3.6 Registers Tab
      7. 4.3.7 EVM Controls Pull-Down Menu
      8. 4.3.8 Software Revision
  8. 5Bill of Materials
  9. 6Revision History

2.2 Signal Definitions of J1 (25-Pin Male DSUB)

Table 2-1 lists the different signals connected to J1 on the INA220_Test_Board. This table also lists the signals connected to pins on J1 that are not used on the INA220_Test_Board.

Table 2-1 Signal Definition of J1 (25-Pin Male DSUB) on INA220_Test_Board
J1 PIN

SIGNAL

INA220 PIN
1NCNo connection
2NCNo connection
3NCNo connection
4NCNo connection
5NCNo connection
6NCNo connection
7NCNo connection
8NCNo connection
9I2C_SCKNo connection
10I2C_SDA2No connection
11NCNo connection
12I2C_SCK_ISOI2C clock signal (SCL) channel 1; can be disconnected using a switch
13I2C_SDA_ISOI2C data signal (SDA) channel 1; can be disconnected using a switch
14NCNo connection
15NCNo connection
16NCNo connection
17VDUTSwitched 3-V or 5-V power. Note that when power is switched off, the digital I/O is also switched off.
18VCCNo connection
19NCNo connection
20NCNo connection
21GNDCommon or ground connection for power
22SPI_SCKNo connection
23SPI_CS1No connection
24SPI_DOUTNo connection
25SPI_DIN1No connection