Texas Instruments TLC6A598 Bedienungsanleitung

User’s Guide

TLC6A598 Power Logic 8-Bit Shift Register Evaluation

Module

ABSTRACT

This user’s guide describes the characteristics, setup, and usage of the TLC6A598 evaluation module (EVM).

The TLC6A598EVM helps the user to evaluate the features of the Texas Instruments TLC6A598, power

logic 8-Bit shift register. This user’s guide includes hardware setup instructions, graphical user interface (GUI)

instructions, printed-circuit board (PCB) layout drawings, a schematic diagram, and a bill of materials.

Table of Contents

1 Introduction.............................................................................................................................................................................2

2 Test Setup................................................................................................................................................................................4

3 Design Files...........................................................................................................................................................................10

3.1 Layout.............................................................................................................................................................................. 10

3.2 Schematic.........................................................................................................................................................................11

3.3 BOM................................................................................................................................................................................. 12

List of Figures

Figure 1-1. TLC6A598EVM Kit.................................................................................................................................................... 2

Figure 2-1. TLC6A598EVM Test Bench Setup............................................................................................................................ 4

Figure 2-2. USB2ANY Explorer................................................................................................................................................... 5

Figure 2-3. GPIO and SPI Selection............................................................................................................................................6

Figure 2-4. GPIO3 Configuration................................................................................................................................................. 7

Figure 2-5. SPI Configuration...................................................................................................................................................... 8

Figure 2-6. Data Write with SPI Interface.................................................................................................................................... 9

Figure 3-1. TLC6A598EVM Top Layer.......................................................................................................................................10

Figure 3-2. TLC6A598EVM Bottom Layer................................................................................................................................. 11

Figure 3-3. TLC6A598EVM Schematic......................................................................................................................................12

List of Tables

Table 1-1. TLC6A598EVM Electrical Specifications.................................................................................................................... 3

Table 2-1. TLC6A598EVM Connectors and Test Points.............................................................................................................. 4

Table 3-1. TLC6A598EVM Bill of Materials (BOM).................................................................................................................... 12

Trademarks

All trademarks are the property of their respective owners.

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TLC6A598 Power Logic 8-Bit Shift Register Evaluation Module 1

1 Introduction

The TLC6A598 evaluation module (EVM) helps designers evaluate the operation and performance of the

TLC6A598 8-Bit Shift Register designed for the high current multi-load application. The TLC6A598 device is

a monolithic, high-voltage, high-current power 8-bit shift register designed for systems that require relatively high

load power, such as LEDs. The device contains a built-in voltage clamp on the outputs for inductive transient

protection. Power driver applications include relays, solenoids, and other high current or high voltage loads.

Each open-drain DMOS transistor features an independent chopping current limiting circuit to prevent damage in

the case of a short circuit.

The TLC6A598EVM provides an eight-channel relays control example solution. It is designed to operate with two

supply power rails, one power rail for the TLC6A598 and another power rail for the relays. This evaluation board

is designed to work with the USB2ANY board and USB2ANY Explore Software. See the TLC6A598 data sheet

for more information about the digital communication.

The LP5860EVM kit is illustrated in Figure 1-1.

Figure 1-1. TLC6A598EVM Kit

This design describes an application of the TLC6A598 as a relay controller using the specifications shown in

Table 1-1. For applications with a different input voltage range or different output voltage and current, please

refer to the TLC6A598 data sheet.

Introduction www.ti.com

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Table 1-1. TLC6A598EVM Electrical Specifications

Parameter Test Conditions Min. Typ. Max. Unit

Input voltage range, VCC 3 5.5 V

Input voltage range, VDD 24 V

Relay G5NB-1A-E D24 8.3 mA

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TLC6A598 Power Logic 8-Bit Shift Register Evaluation Module 3

2 Test Setup

This section describes the test setup for the evaluation of the TLC6A598EVM board. Table 2-1 shows the EVM

connectors and test points.

Table 2-1. TLC6A598EVM Connectors and Test Points

Reference Designator Function

J1 VCC

J2 GND for VCC

J3 VDD

J4 GND for VDD

J5 USB2ANY Connector

J6 Outputs connector for TLC6A598

J7 Outputs connector for Relays

TP1 Test point for VCC

TP2 Test Point for VDD

TP3, TP4, TP5 GND Test Point

The following equipment are required for the test setup:

• A power supply 1 capable of supplying 5 V @ 0.3 A is required to supply VCC.

• A power supply 2 capable of supplying 24 V @ 1 A is required to supply VDD.

To evaluate the TLC6A598EVM board, the USB2ANY interface adapter provided by TI is recommended here.

Please download and install the USB2ANY Explorer Software on the computer.

Figure 2-1 shows the test bench setup for the evaluation of the TLC6A598EVM board.

–

+24V DC

–

+5V DC

USB Cable

Edge cable

Figure 2-1. TLC6A598EVM Test Bench Setup

Set the input voltage power supply 1 to 5 V and the current limit to 0.3 A. Turn off the power supply 1. Connect

the power supply 1 to the J1 and J2 connectors with the positive terminal of the supply connected to VCC (J1)

and the negative terminal of the supply connected to GND (J2). Set the input voltage power supply 2 to 24 V and

the current limit to 1 A. Turn off the power supply 2. Connect the power supply 2 to the J3 and J4 connectors,

with the positive terminal of the supply connected to VDD (J3) and the negative terminal of the supply connected

to GND (J4).

Test Setup www.ti.com

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Connect the USB2ANY with Edge cable to J5 and connect USB2ANY to the PC with USB cable.

With above setup and connections completed, turn on the power supply 1 and 2. Then open the USB2ANY

Explorer Software and the software will show as Figure 2-2.

Figure 2-2. USB2ANY Explorer

Click the 'Select Interface' button and choose the 'GPIO' and 'SPI' as Figure 2-3 and click the 'Close' button.

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Figure 2-3. GPIO and SPI Selection

Click the 'GPIO' button and configure the GPIO3 as Figure 2-4. If you cannot see the 'GPIO' button, please

adjust the display scale of the PC to 100%.

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Figure 2-4. GPIO3 Configuration

Click the 'SPI' button and configure the SPI interface as Figure 2-5:

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TLC6A598 Power Logic 8-Bit Shift Register Evaluation Module 7

Figure 2-5. SPI Configuration

In the 'Write date' command window, write 'FF' and click 'Write/Read' button as Figure 2-6:

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Figure 2-6. Data Write with SPI Interface

Then, the eight relays K1 to K8 will turn on and the eight Green LEDs D1 to D8 will turn on accordingly.

Please refer to the TLC6A598 data sheet for additional functional tests.

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TLC6A598 Power Logic 8-Bit Shift Register Evaluation Module 9

3 Design Files

The layout, schematic, and bill of materials (BOM) of the TLC6A598 EVM board design are included in this

section.

3.1 Layout

Figure 3-1 and Figure 3-2 demonstrate the TLC6A598EVM layout images.

Figure 3-1. TLC6A598EVM Top Layer

Design Files www.ti.com

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