Texas Instruments TPS61193-Q1EVM, Руководство пользователя

Страница: 2 / 21

Contents
1 Preface
...............................................................................................................................
4
1.1 About this Manual
........................................................................................................
4
1.2 Related Documentation from Texas Instruments
....................................................................
4
1.3 FCC Warning
.............................................................................................................
4
1.4 If You Need Assistance
.................................................................................................
4
2 Introduction
.........................................................................................................................
4
3 Description of the TPS61193 or TPS61193-Q1 Device
...............................................................
5
3.1 Features
...................................................................................................................
5
3.2 Applications
...............................................................................................................
5
4 Hardware Setup
...................................................................................................................
6
5 Board Layout
.......................................................................................................................
7
6 Start-Up of the EVM and Power Sequences
.............................................................................
8
6.1 PWM Input to Initiate Start-up Sequence
.............................................................................
8
6.2 Shutdown Sequence
.....................................................................................................
8
7 Boost Converter
...................................................................................................................
9
7.1 Switching Frequency
....................................................................................................
9
7.2 Spread Spectrum and Synchronization
...............................................................................
9
7.3 Voltage Control
..........................................................................................................
10
8 LED Current Sinks
..............................................................................................................
11
8.1 Output Configuration
...................................................................................................
11
8.2 Current Setting
..........................................................................................................
11
8.3 Brightness Control
......................................................................................................
11
9 Fault Detection
...................................................................................................................
11
9.1 Fault Indicator
...........................................................................................................
11
10 Evaluation Board Schematic
................................................................................................
12
11 Bill of Materials
..................................................................................................................
13
12 Appendix A: LED Load Board
..............................................................................................
14
2 Table of Contents SNVU491 – October 2015
Submit Documentation Feedback
Copyright © 2015, Texas Instruments Incorporated