JAJSDL7D January   2016  – May 2021 TPS61194

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  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 4 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 サポート・リソース
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

4 Revision History

Changes from Revision C (June 2017) to Revision D (May 2021)

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

  • Enhanced pin descriptions for pins 3, 10 and 16 in Pin Functions Go
  • Deleted "IOUT = 100 mA" from tON/OFF row of Table 7.9Go
  • Changed "0.5" from MAX to TYP column in tON/OFF row of Table 7.9 Go
  • Added table note 1 for Tables 7.9 and 7.10Go
  • Deleted "Initial DC-DC voltage is about 88% of VMAX BOOST." from Integrated DC-DC Converter; change wording in last sentence before equation 1.Go
  • Changed eq. 1; added "K" eq definitions for eq. 1 and paragraph after Fig. 9 Go
  • Added new paragraph before Internal LDO 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 A (January 2016) to Revision B (September 2016)

  • 「特長」の複数の項目の表現を削除 Go
  • 「出力電流」を「LED ストリング電流」に変更し、「200Hz で 10,000：1 の高い調光比」を「100Hz で 10,000：1 の高い調光比」に変更Go
  • 「概要」の最初の段落の最後の文を削除 (最後の段落の最後の文へ移動)Go
  • 「200Hz の入力 PWM 周波数において、10,000：1 の PWM 輝度調光比」を「100Hz の入力 PWM 周波数において、10,000：1 の PWM 輝度調光比」に変更Go
  • Added footnotes to ESD Ratings Go
  • Added 2 new LED Current graphsGo