TLC5955 Datasheet, PDF (2/53 Pages) Texas Instruments – TLC5955 48-Channel, 16-Bit, PWM LED Driver with DC, BC, LED Open-Short Detection, and Internal Current Setting

TLC5955
SBVS237 – MARCH 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Terminal Configurations and Functions.............. 3
6 Specifications......................................................... 6
6.1 Absolute Maximum Ratings ..................................... 6
6.2 Handling Ratings....................................................... 6
6.3 Recommended Operating Conditions....................... 7
6.4 Thermal Information .................................................. 7
6.5 Electrical Characteristics........................................... 8
6.6 Switching Characteristics .......................................... 9
6.7 Typical Characteristics ............................................ 10
7 Parameter Measurement Information ................ 12
7.1 Terminal-Equivalent Input and Output Schematic
Diagrams.................................................................. 12
7.2 Test Circuits ............................................................ 12
7.3 Timing Diagrams ..................................................... 13
8 Detailed Description ............................................ 15
8.1 Overview ................................................................. 15
8.2 Functional Block Diagram ....................................... 16
8.3 Feature Description................................................. 17
8.4 Device Functional Modes........................................ 28
9 Applications and Implementation ...................... 38
9.1 Application Information............................................ 38
9.2 Typical Application .................................................. 38
10 Power Supply Recommendations ..................... 41
11 Layout................................................................... 41
11.1 Layout Guidelines ................................................. 41
11.2 Layout Example .................................................... 42
12 Device and Documentation Support ................. 43
12.1 Device Support...................................................... 43
12.2 Documentation Support ........................................ 43
12.3 Trademarks ........................................................... 43
12.4 Electrostatic Discharge Caution ............................ 43
12.5 Glossary ................................................................ 43
13 Mechanical, Packaging, and Orderable
Information ........................................................... 43
4 Revision History
DATE
March 2014
REVISION
*
NOTES
Initial release.
2
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