JAJSC31E February   2014  – May 2018 TPS92630-Q1

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      代表的なアプリケーションの回路図
  4. 4 改訂履歴
  5. 5 概要(続き)
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Constant LED-Current Setting
      2. 9.3.2 PWM Control
      3. 9.3.3 FAULT Diagnostics
      4. 9.3.4 Short-Circuit Detection
      5. 9.3.5 Open-Load Detection
      6. 9.3.6 Thermal Foldback
    4. 9.4 Device Functional Modes
      1. 9.4.1 Thermal Information
      2. 9.4.2 Operation With V(VIN) < 5 V (Minimum V(VIN))
      3. 9.4.3 Operation With 5 V < V(VIN) < 9 V (Lower-Than-Normal Automotive Battery Voltage)
  10. 10Applications and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Stoplight and Taillight Application With PWM Generator
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Step-by-Step Design Procedure
            1. 10.2.1.2.1.1 R(REF)
            2. 10.2.1.2.1.2 Duty Cycle
            3. 10.2.1.2.1.3 Input and Output Capacitors
        3. 10.2.1.3 PWM Dimming Application Curve
      2. 10.2.2 Simple Stop-Light and Taillight Application
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
          1. 10.2.2.2.1 Step-by-Step Design Procedure
            1. 10.2.2.2.1.1 R(REF)
            2. 10.2.2.2.1.2 R(Stop)
            3. 10.2.2.2.1.3 Input and Output Capacitors
      3. 10.2.3 Parallel Connection
        1. 10.2.3.1 Design Requirements
        2. 10.2.3.2 Detailed Design Procedure
          1. 10.2.3.2.1 Step-by-Step Design Procedure
            1. 10.2.3.2.1.1 R(REF)
            2. 10.2.3.2.1.2 Input and Output Capacitors
      4. 10.2.4 Alternate Parallel Connection
        1. 10.2.4.1 Design Requirements
        2. 10.2.4.2 Detailed Design Procedure
          1. 10.2.4.2.1 Step-by-Step Design Procedure
            1. 10.2.4.2.1.1 R(REF)
            2. 10.2.4.2.1.2 Input and Output Capacitors
      5. 10.2.5 High-Side PWM Dimming
        1. 10.2.5.1 Design Requirements
        2. 10.2.5.2 Detailed Design Procedure
          1. 10.2.5.2.1 Step-by-Step Design Procedure
            1. 10.2.5.2.1.1 Ratio of Resistors, R1 / R2
            2. 10.2.5.2.1.2 R1 and R2 Selection
            3. 10.2.5.2.1.3 Input and Output Capacitors
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 ドキュメントのサポート
      1. 13.1.1 関連資料
    2. 13.2 ドキュメントの更新通知を受け取る方法
    3. 13.3 コミュニティ・リソース
    4. 13.4 商標
    5. 13.5 静電気放電に関する注意事項
    6. 13.6 Glossary
  14. 14メカニカル、パッケージ、および注文情報

7.6 Timing Requirements

MIN NOM MAX UNIT
t(startup) Start-up time V(VIN) > 5 V, I(IOUTx) = 50%, I(setting) = 60 mA(1) 200 µs
td(on) Delay time between PWM rising edge to 10% of I(IOUTx) Two LEDs in series, 10-kΩ resistor in parallel 14 30 µs
td(off) Delay time between PWM falling edge to 90% of I(IOUTx) Two LEDs in series, 10-kΩ resistor in parallel 25 45 µs
Single-short detection deglitch 1 2 3 ms
During PWM, count the number of continuous cycles when V(VSNSx) < 1.24 V 7 8 Cycles
Open-load detection deglitch 1 2 3 ms
During PWM, count the number of continuous cycles when V(VIN) – V(IOUTx) < V(OLV) 7 8 Cycles
Short-detection deglitch 1 2 3 ms
During PWM, count the number of continuous cycles when V(IOUTx) < V(SV) 7 8 Cycles
(1) Start-up is considered complete when I(setting) increases to 30 mA.