JAJS340F November   2008  – August 2016 TPS2552 , TPS2552-1 , TPS2553 , TPS2553-1

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 改訂履歴
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and 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 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 Overcurrent Conditions
      2. 9.3.2 Reverse-Voltage Protection
      3. 9.3.3 FAULT Response
      4. 9.3.4 Undervoltage Lockout (UVLO)
      5. 9.3.5 ENABLE (EN or EN)
      6. 9.3.6 Thermal Sense
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 Programming the Current-Limit Threshold
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Constant-Current vs Latch-Off Operation and Impact on Output Voltage
    2. 10.2 Typical Applications
      1. 10.2.1 Two-Level Current-Limit Circuit
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedures
          1. 10.2.1.2.1 Designing Above a Minimum Current Limit
          2. 10.2.1.2.2 Designing Below a Maximum Current Limit
          3. 10.2.1.2.3 Accounting for Resistor Tolerance
          4. 10.2.1.2.4 Input and Output Capacitance
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Auto-Retry Functionality
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
      3. 10.2.3 Typical Application as USB Power Switch
        1. 10.2.3.1 Design Requirements
          1. 10.2.3.1.1 USB Power-Distribution Requirements
        2. 10.2.3.2 Detailed Design Procedure
          1. 10.2.3.2.1 Universal Serial Bus (USB) Power-Distribution Requirements
  11. 11Power Supply Recommendations
    1. 11.1 Self-Powered and Bus-Powered Hubs
    2. 11.2 Low-Power Bus-Powered and High-Power Bus-Powered Functions
    3. 11.3 Power Dissipation and Junction Temperature
  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 デバイス・サポート
    2. 13.2 関連リンク
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 コミュニティ・リソース
    5. 13.5 商標
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 Glossary
  14. 14メカニカル、パッケージ、および注文情報

4 改訂履歴

Changes from E Revision (February 2012) to F Revision

  • Added 「ESD定格」表、「機能説明」セクション、「デバイスの機能モード」セクション、「アプリケーションと実装」セクション、「電源に関する推奨事項」セクション、「レイアウト」セクション、「デバイスおよびドキュメントのサポート」セクション、「メカニカル、パッケージ、および注文情報」セクションGo
  • Changed 「特長」の下の箇条書きで、電流制限の可変範囲を1300mAから1700mAへGo
  • Changed from 1.2 A to 1.5 AGo

Changes from D Revision (June 2011) to E Revision

  • Changed VEN to VEN in Recommended Operating ConditionsGo
  • Changed VEN to VEN in Recommended Operating ConditionsGo

Changes from C Revision (September 2009) to D Revision

  • Changed 「特長」の「過電流への高速な応答 - 2µS (標準値)」を「過電流への高速な応答 - 2µs (標準値)」へGo
  • 「特長」に「UL認定済み」および「NEMCO IEC60950-1-am1 ed2.0」のテキストを追加Go
  • 「特長」に「TIスイッチ・ポートフォリオを参照」の項目を追加Go
  • Changed 注記3を削除、「製品情報」表をGo
  • Added ESD-system level (contact/air) to the ABS MAX table, and Added Note 3Go
  • Added text to the REVERSE-VOLTAGE PROTECTION section: "A reverse.....when this occurs."Go

Changes from B Revision (February 2009) to C Revision

  • Added 特長に「1.5Aまでの最大負荷電流」をGo
  • Changed 1.3A (標準値)から1.7A (標準値)へGo
  • Added テキスト「1.5Aまでの連続的な負荷電流を供給」をGo
  • Changed From: 19.1 kΩ ≤ RILIM ≤ 232 kΩ To: 15 kΩ ≤ RILIM ≤ 232 kΩ.Go
  • Changed IOUT values for 1.2A and 1.5AGo
  • Changed TJ values for 1.2A and 1.5AGo
  • Added RILIM = 15 kΩ optionGo
  • Changed Text From: current-limit threshold between 75 mA and 1.3 A (typ) To: current-limit threshold between 75 mA and 1.7 A (typ)Go
  • Changed Text From: The recommended 1% resistor range for RILIM is 19.1 kΩ ≤ RILIM ≤ 232 kΩ to ensure stability To: The recommended 1% resistor range for RILIM is 15 kΩ ≤ RILIM ≤ 232 kΩ to ensure stabilityGo
  • Changed Figure 23 - Current-Limit Threshold vs RILIM Go
  • Changed Table 2 - added rows for Current Limit of 1400 to 1700Go

Changes from A Revision (December 2008) to B Revision

  • Added 「特長」に「UL認定済み - ファイルNo.E169910」をGo
  • Changed Figure 17 Ttitle From: Current Limit Threshold Vs RILM Go
  • Changed Figure 18 Ttitle From: Current Limit Threshold Vs RILM Go

Changes from * Revision (November 2008) to A Revision

  • Changed タイトルを「可変電流制限の電力分配スイッチ」から「高精度、可変電流制限の電力分配スイッチ」へGo