JAJSI73C December   2009  – December 2019 BQ24072T , BQ24075T , BQ24079T

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     概略回路図
  4. 4 改訂履歴
  5. 5 概要（続き）
  6. 6 Device Options
  7. 7 Pin Configuration and Functions
    1.     Pin Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Undervoltage Lockout (UVLO)
      2. 9.3.2  Overvoltage Protection (OVP)
      3. 9.3.3  Dynamic Power-Path Management
      4. 9.3.4  Battery Charging
      5. 9.3.5  Charge Current Translator
      6. 9.3.6  Battery Detection and Recharge
      7. 9.3.7  Termination Disable (TD Input, BQ24072T)
      8. 9.3.8  Battery Disconnect (SYSOFF Input)
      9. 9.3.9  Dynamic Charge Timers (TMR Input)
      10. 9.3.10 Status Indicators (PGOOD, CHG)
      11. 9.3.11 Thermal Regulation and Thermal Shutdown
      12. 9.3.12 Battery Pack Temperature Monitoring
    4. 9.4 Device Functional Modes
      1. 9.4.1 Input Source Connected (Adapter or USB)
        1. 9.4.1.1 Input DPM Mode (VIN-DPM)
        2. 9.4.1.2 DPPM Mode
        3. 9.4.1.3 Battery Supplement Mode
      2. 9.4.2 Input Source Not Connected
  10. 10Applications and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Using the BQ24075T, BQ24079T to Disconnect the Battery from the System
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Program the Fast Charge Current (ISET):
          2. 10.2.1.2.2 Program the Input Current Limit (ILIM):
          3. 10.2.1.2.3 Program 6.25-hour Fast-Charge Safety Timer (TMR):
          4. 10.2.1.2.4 TS Function:
          5. 10.2.1.2.5 CHG and PGOOD LED Status:
          6. 10.2.1.2.6 Processor Monitoring Status:
          7. 10.2.1.2.7 System ON/OFF (SYSOFF):
          8. 10.2.1.2.8 Selecting IN, OUT and BAT Capacitors
        3. 10.2.1.3 Application Curves
      2. 10.2.2 BQ24072T in a Host Controlled Charger Application
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedures
          1. 10.2.2.2.1 Termination Disable:
        3. 10.2.2.3 Application Curves
  11. 11Power Supply Recommendations
    1. 11.1 Power On
      1. 11.1.1 Half-Wave Adapters
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Package
  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
      1. 13.1.1 デベロッパー・ネットワークの製品に関する免責事項
    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 サポート・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 B Revision (November 2014) to C Revision

  • データシートのタイトルを変更Go
  • Moved Storage temperature From: the ESD table to the Absolute Maximum RatingsGo
  • Changed the Handling Ratings table to ESD RatingsGo
  • Changed VIN-LOW To: IN-DPM in the Electrical Characteristics Power Path sectionGo
  • Changed VIN-LOW To VIN-DPM in the Functional Block DiagramGo
  • Changed: "R3 must be added.." To: "R8 must be added..." in the Battery Pack Temperature Monitoring sectionGo
  • Changed R6 From: 10 kΩ To: 19.1 kΩ and R7 From: 13.2 kΩ To: 8.25 kΩ in Figure 23Go
  • Changed text: "which for this case are R6 = 8.25 kΩ and R7 = 19.1kΩ.." To: "which for this case are R7 = 8.25 kΩ and R6 = 19.1 kΩ"Go
  • Changed Equation 8Go

Changes from A Revision (April 2010) to B Revision

  • Go
  • Deleted text from the Pin Configuration and Functions section: "Pin out designations are not final. Subject to change." Go
  • Changed VO(REG) to VBAT(REG) in Min Typ Max columns on the VRCH spec. of Electrical Characteristics table under sub section BATTERY CHARGERGo
  • Changed IOUT 5.5 V To VOUT 5.5 V in Figure 28Go

Changes from * Revision (December 2009) to A Revision

  • Added データシートのヘッダーに BQ24072T デバイスをGo
  • Added 特長に BQ24072T の箇条書き項目をGo
  • Added グラフィック・エンティティに "BQ24072T" をGo
  • Added BQ24072T spec. to Ordering Info tableGo
  • Added BQ24072T Pin DiagramGo
  • Added BQ24072T to VO(REG) in the Electrical Characteristics Power Path sectionGo
  • Added "BQ24072T" to VDPPM in the Electrical Characteristics tableGo
  • Added "BQ24072T" to VBAT(REG) the Electrical Characteristics tableGo
  • Added BQ24072T Termination Disable (TD) descriptionGo
  • Added graphic entity for BQ24072T DPPM and Battery Supplement ModesGo
  • Added graphic entity for BQ24072T Host Controlled Charger applicationGo
  • Added Termination Disable operation procedure.Go