TLC5954 Datasheet, PDF (2/45 Pages) Texas Instruments – TLC5954 48-Channel, Constant-Current LED Driver with Global Brightness Control, LED Open-Short Detection, and Power-Save Mode

TLC5954
SBVS241 – APRIL 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 Handling Ratings....................................................... 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 6
6.6 Switching Characteristics .......................................... 7
6.7 Typical Characteristics .............................................. 8
7 Parameter Measurement Information ................ 11
7.1 Pin Equivalent Input and Output Schematic
Diagrams.................................................................. 11
7.2 Test Circuits ............................................................ 11
7.3 Timing Diagrams ..................................................... 12
8 Detailed Description ............................................ 16
8.1 Overview ................................................................. 16
8.2 Functional Block Diagram ....................................... 17
8.3 Feature Description ................................................ 18
8.4 Device Functional Modes........................................ 23
8.5 Register Maps ......................................................... 27
9 Applications and Implementation ...................... 33
9.1 Application Information............................................ 33
9.2 Typical Application .................................................. 33
10 Power Supply Recommendations ..................... 36
11 Layout................................................................... 36
11.1 Layout Guidelines ................................................. 36
11.2 Layout Example .................................................... 37
12 Device and Documentation Support ................. 38
12.1 Device Support...................................................... 38
12.2 Documentation Support ........................................ 38
12.3 Trademarks ........................................................... 38
12.4 Electrostatic Discharge Caution ............................ 38
12.5 Glossary ................................................................ 38
13 Mechanical, Packaging, and Orderable
Information ........................................................... 38
4 Revision History
Date
April 2014
Revision
*
Notes
Initial release.
2
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