SNVSAF4C October   2015  – February 2021 TPS61193

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  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics (1) (1)
    6. 6.6  Internal LDO Electrical Characteristics
    7. 6.7  Protection Electrical Characteristics
    8. 6.8  Current Sinks Electrical Characteristics
    9. 6.9  PWM Brightness Control Electrical Characteristics
    10. 6.10 Boost and SEPIC Converter Characteristics
    11. 6.11 Logic Interface Characteristics
    12. 6.12 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Integrated DC-DC Converter
      2. 7.3.2 Internal LDO
      3. 7.3.3 LED Current Sinks
        1. 7.3.3.1 Output Configuration
        2. 7.3.3.2 Current Setting
        3. 7.3.3.3 Brightness Control
      4. 7.3.4 Protection and Fault Detections
        1. 7.3.4.1 Adaptive DC-DC Voltage Control and Functionality of LED Fault Comparators
        2. 7.3.4.2 Overview of the Fault/Protection Schemes
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device States
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application for 3 LED Strings
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Inductor Selection
          2. 8.2.1.2.2 Output Capacitor Selection
          3. 8.2.1.2.3 Input Capacitor Selection
          4. 8.2.1.2.4 LDO Output Capacitor
          5. 8.2.1.2.5 Diode
        3. 8.2.1.3 Application Curves
      2. 8.2.2 SEPIC Mode Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Inductor
          2. 8.2.2.2.2 Diode
          3. 8.2.2.2.3 Capacitor C1
        3. 8.2.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

4 Revision History

Changes from Revision B (June 2017) to Revision C (February 2021)

  • Updated the numbering format for tables, figures and cross-references throughout the document Go
  • Updated Section 7.4.1 sectionGo

Changes from Revision A (September 2016) to Revision B (June 2017)

  • Enhanced pin descriptions for pins 3, 10, and 16 in Pin Functions tableGo
  • Deleted "IOUT = 100 mA" from tON/OFF row of Section 6.9 Go
  • Changed "0.5" from MAX to TYP column in tON/OFF row of Section 6.9 ; add note 1 to Section 6.9 Go
  • Added table note 1 for Section 6.10 Go
  • Deleted "Initial DC-DC voltage is about 88% of VMAX BOOST." from Section 7.3.1 ; change wording in last sentence before Equation 1 Go
  • Changed Equation 1 and added "K" eq definitions; added new paragraph after Figure 7-1 Go
  • Added new paragraph before Section 7.3.2 Go
  • Deleted "Dimming ratio is calculated as ratio between the input PWM period and minimum on/off time (0.5 µs). " from Section 7.3.3.3 Go

Changes from Revision * (October 2015) to Revision A (September 2016)

  • Changed several wording of several items in Features Go
  • Changed "High Dimming Ratio of 10 000:1 at 200 Hz" to "High Dimming Ratio of 10 000:1 at 100 Hz"Go
  • Added last sentence of first paragraph in Description sectionGo
  • Changed "dimming ratio of 10 000:1 for 200-Hz" to "dimming ratio of 10 000:1 for 100-Hz"Go
  • Added last sentence of Description sectionGo
  • Added standard footnotes for the ESD Ratings table Go
  • Added Figures 7 and 8 - new graphsGo