SBOU275 April   2022 INA190-EP

 

  1.   Trademarks
  2. 1Overview
    1. 1.1 INA190-EP Kit Contents
    2. 1.2 Related Documentation From Texas Instruments
  3. 2INA190EPEVM Hardware
    1. 2.1 Features
  4. 3Quick Start Setup and Use
    1. 3.1 Measurements
  5. 4INA190EPEVM Circuit and Components
    1. 4.1 R2x, R3x, R5x, C2x, C3x
    2. 4.2 C1x
    3. 4.3 R1x
    4. 4.4 R6
    5. 4.5 R4x
    6. 4.6 U1x - INA190-EP
    7. 4.7 J0x, J1x
  6. 5Reference Voltage Setup
    1. 5.1 Unidirectional Mode
    2. 5.2 Bidirectional Mode
  7. 6Guarding Voltage - Using the "Guarded Inputs" Panel
  8. 7INA190EPEVM Schematics and PCB Layout
    1. 7.1 Schematics
    2. 7.2 PCB Layout
  9. 8Bill of Materials

Features

The INA190EPEVM PCB provides the following features:

  • Evaluation of all gain options through provided device boards
  • Ease of access to device pins with test points
  • Pads for optional filtering at the input pins and output pin
  • Multiple input signal options, including a method to solder a shunt resistor
  • Low-current measurement panel with a voltage guarding plane to minimize leakage currents

Refer to INA190-EP Bidirectional, Low-Power, Zero-Drift, Wide Dynamic Range Precision Current Sense Amp for comprehensive information about the INA190-EP family of devices.