SBVS225B March   2013  – May 2014 TLC5973

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Pin-Equivalent Input and Output Schematic Diagrams
    2. 7.2 Test Circuits
    3. 7.3 Timing Diagrams
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Grayscale (GS) Control
      2. 8.3.2 EasySet and Shunt Regulator
      3. 8.3.3 No Limit Cascading
      4. 8.3.4 Constant Sink Current Value
      5. 8.3.5 Connector Design
    4. 8.4 Device Functional Modes
      1. 8.4.1 Grayscale (GS) Function (PWM Control)
        1. 8.4.1.1 PWM Control
      2. 8.4.2 One-Wire Interface (EasySet) Data Writing Method
        1. 8.4.2.1 Data Transfer Rate (tCYCLE) Measurement Sequence
        2. 8.4.2.2 Data ‘0’ and Data ‘1’ Write Sequence (Data Write Sequence)
        3. 8.4.2.3 One Communication Cycle End of Sequence (EOS)
        4. 8.4.2.4 GS Data Latch (GSLAT) Sequence
    5. 8.5 Programming
      1. 8.5.1 Controlling Devices Connected in Series
    6. 8.6 Register Maps
      1. 8.6.1 Register and Data Latch Configuration
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 No Internal Shunt Regulator Mode 1
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 No Internal Shunt Regulator Mode 2
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curve
      3. 9.2.3 Internal Shunt Regulator Mode
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Trademarks
    2. 12.2 Electrostatic Discharge Caution
    3. 12.3 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from A Revision (May 2013) to B Revision

  • Changed format to meet latest data sheet standards; added Applications and Implementation, Power Supply Recommendations, and Layout sections, moved existing sectionsGo
  • Changed 8-bit pulse width modulation to 12-bit pulse width modulation in Description section Go
  • Changed tH0 and tH1 parameter units from µs to ns in Recommended Operating Conditions table Go
  • Changed Figure 8: deleted top SDO, changed bottom SDO to OUTn Go
  • Changed Figure 11: deleted extraneous breaks in traces, extraneous data call-outs, and tH1 on GSLAT trace, changed data transfer trace note to Internal to 1st Device and 1st Data to 47th Data in 48-Bit Shift Register LSB traceGo
  • Changed functional block diagram: changed Upper 8 Bits to Upper 12 Bits on 48-Bit Shift Register blockGo
  • Added Grayscale (GS) Control, EasySet and Shunt Regulator, and No Limit Cascading sectionsGo
  • Changed Connector Design title Go
  • Changed Figure 13: changed OUTn traces GSDATA = 4093 and GSDATA = 4094 Go
  • Changed description of the Data ‘0’ and Data ‘1’ Write Sequence (Data Write Sequence) section Go
  • Changed title of Controlling Devices Connected in Series sectionGo
  • Changed Data 101 to Data 1010 in Figure 18 Go
  • Changed eight MSBs to 12 MSBs in third sentence of the Register and Data Latch Configuration sectionGo
  • Changed Figure 21: corrected 3AAh bit set sequenceGo
  • Changed Figure 26: changed number of LEDs in optional dashed boxGo
  • Changed Table 7: changed all values in RVCC column and first and last values in Resistor Wattage columnGo

Changes from * Revision (March 2013) to A Revision

  • Changed second paragraph of Grayscale (GS) Function (PWM Control) sectionGo
  • Changed tCYCLE setting range in Data Transfer Rate (tCYCLE) Measurement Sequence sectionGo
  • Updated Figure 18Go
  • Updated Figure 21 and Table 3Go