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  • TCA9416 Evaluation Module

    • SCPU043 March   2021 TCA9416

       

  • CONTENTS
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  • TCA9416 Evaluation Module
  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
  3. 2EVM Setup
    1. 2.1 Load Capacitance Selector
  4. 3Pullup Resistor Selector
    1. 3.1 Board Layout
  5. 4Schematic
    1. 4.1 Bill of Materials
  6. IMPORTANT NOTICE
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EVM USER'S GUIDE

TCA9416 Evaluation Module

Trademarks

All trademarks are the property of their respective owners.

1 Introduction

This EVM allows designers to evaluate the TCA9416 device at different loading conditions (pullup resistors and bus capacitance), VCC voltages, and series resistances, if needed. The back of EVM board is populated with the DTM package (denoted as U1). The EVM supports the DDF package (denoted as U2); however, it must be populated by the designer.

1.1 Features

This EVM supports:

  • Adjustable pullup resistors on both sides of the TCA9416 with jumper shunts
  • Adjustable load capacitance on both sides of the TCA9416 with DIP switches
  • Test Points on SDA and SCL on both sides of the TCA9416
  • Male header connections to all TCA9416 pins for ease of use
  • Unpopulated DDF package (denoted as U2 on the top side of the board)

2 EVM Setup

The following equipment is needed to evaluate the TCA9416:

  • Power supply capable of supplying the desired voltage to the TCA9416 and I2C bus
  • 4-channel oscilloscope to observe I2C transactions on both sides of the TCA9416
  • Microcontroller, processor, or digital analyzer which can send and receive I2C

 

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