ZHCSKH8C December   2009  – December 2019 BQ24072T , BQ24075T , BQ24079T

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化电路
  4. 4 修订历史记录
  5. 5 说明 （续）
  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器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 第三方产品免责声明
    2. 13.2 相关链接
    3. 13.3 接收文档更新通知
    4. 13.4 支持资源
    5. 13.5 商标
    6. 13.6 静电放电警告
    7. 13.7 Glossary
  14. 14机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 修订历史记录

Changes from B Revision (November 2014) to C Revision

  • 更改了数据表标题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

  • 添加了“处理额定值”表、“特性 说明 ”部分、器件功能模式、“应用和实施”部分、“电源相关建议”部分、“布局”部分、“器件和文档支持”部分以及“机械、封装和可订购信息”部分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 向数据表标题添加了 BQ24072T 器件Go
  • Added 添加了 BQ24072T 特性项目符号Go
  • Added 向图形中添加了“BQ24072T”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