Datasheet TLC5940 (Texas Instruments) - 2

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TLC5940
SLVS515D – DECEMBER 2004 – REVISED NOVEMBER 2015
www.ti.com Table of Contents 1 Features
.. 1 8.2 Functional Block Diagram ... 13 8.3 Feature Description... 13
2 Applications
... 1 8.4 Device Functional Modes.. 18
3 Description
... 1
9 Application and Implementation
.. 23
4 Revision History
... 2 9.1 Application Information.. 23
5 Pin Configuration and Functions
... 3 9.2 Typical Application ... 23
6 Specifications
... 5
10 Power Supply Recommendations
... 25 6.1 Absolute Maximum Ratings .. 5
11 Layout
... 25 6.2 ESD Ratings.. 5 11.1 Layout Guidelines ... 25 6.3 Recommended Operating Conditions ... 5 11.2 Layout Example .. 25 6.4 Thermal Information .. 6 11.3 Power Dissipation Calculation .. 26 6.5 Electrical Characteristics... 7
12 Device and Documentation Support
... 27 6.6 Switching Characteristics .. 8 12.1 Community Resources.. 27 6.7 Typical Characteristics .. 9 12.2 Trademarks ... 27
7 Parameter Measurement Information
.. 11 12.3 Electrostatic Discharge Caution .. 27 7.1 Test Parameter Equations .. 12 12.4 Glossary .. 27
8 Detailed Description
.. 13
13 Mechanical, Packaging, and Orderable
8.1 Overview ... 13
Information
... 27
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (October 2007) to Revision D Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section. ... 1
Changes from Revision B (September 2007) to Revision C Page
• Changed tsu5 setup time from: 30 ms to: 30 ns .. 6 2 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated Product Folder Links: TLC5940 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Electrical Characteristics 6.6 Switching Characteristics 6.7 Typical Characteristics 7 Parameter Measurement Information 7.1 Test Parameter Equations 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Serial Interface 8.3.2 Error Information Output 8.3.3 TEF: Thermal Error Flag 8.3.4 LOD: LED Open Detection 8.3.5 Delay Between Outputs 8.3.6 Output Enable 8.3.7 Setting Maximum Channel Current 8.4 Device Functional Modes 8.4.1 Operating Modes 8.4.2 Setting DOT Correction 8.4.3 Setting Grayscale 8.4.4 Status Information Output 8.4.5 Grayscale PWM Operation 9 Application and Implementation 9.1 Application Information 9.2 Typical Application 9.2.1 Design Requirements 9.2.2 Detailed Design Procedure 9.2.2.1 Serial Data Transfer Rate 9.2.2.2 Grayscale (GS) Data 9.2.3 Application Curve 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 11.3 Power Dissipation Calculation 12 Device and Documentation Support 12.1 Community Resources 12.2 Trademarks 12.3 Electrostatic Discharge Caution 12.4 Glossary 13 Mechanical, Packaging, and Orderable Information