ZHCSJZ6F June   2019  – February 2025 BQ25618 , BQ25619

PRODUCTION DATA  

1.   1
2. 1 特性
3. 2 應用
4. 3 說明
5. 4 說明（續(xù)）
6. 5 Pin Configuration and Functions
7. 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 Thermal Information
   6. 6.6 Electrical Characteristics
   7. 6.7 Timing Requirements
   8. 6.8 Typical Characteristics
8. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1  Power-On-Reset (POR)
      2. 7.3.2  Device Power Up From Battery Without Input Source
      3. 7.3.3  Power Up From Input Source
         1. 7.3.3.1 Power Up REGN LDO
         2. 7.3.3.2 Poor Source Qualification
         3. 7.3.3.3 Input Source Type Detection (IINDPM Threshold)
            1. 7.3.3.3.1 PSEL Pins Sets Input Current Limit
         4. 7.3.3.4 Input Voltage Limit Threshold Setting (VINDPM Threshold)
         5. 7.3.3.5 Power Up Converter in Buck Mode
         6. 7.3.3.6 HIZ Mode with Adapter Present
      4. 7.3.4  Boost Mode Operation From Battery
      5. 7.3.5  Power Path Management
         1. 7.3.5.1 Narrow VDC Architecture
         2. 7.3.5.2 Dynamic Power Management
         3. 7.3.5.3 Supplement Mode
      6. 7.3.6  Battery Charging Management
         1. 7.3.6.1 Autonomous Charging Cycle
         2. 7.3.6.2 Battery Charging Profile
         3. 7.3.6.3 Charging Termination
         4. 7.3.6.4 Thermistor Qualification
            1. 7.3.6.4.1 JEITA Guideline Compliance During Charging Mode
            2. 7.3.6.4.2 Boost Mode Thermistor Monitor During Battery Discharge Mode
         5. 7.3.6.5 Charging Safety Timer
      7. 7.3.7  Ship Mode and QON Pin
         1. 7.3.7.1 BATFET Disable (Enter Ship Mode)
         2. 7.3.7.2 BATFET Enable (Exit Ship Mode)
         3. 7.3.7.3 BATFET Full System Reset
      8. 7.3.8  Status Outputs (STAT, INT , PMID_GOOD)
         1. 7.3.8.1 Power Good Indicator (PG_STAT Bit)
         2. 7.3.8.2 Charging Status Indicator (STAT)
         3. 7.3.8.3 Interrupt to Host (INT)
         4. 7.3.8.4 PMID Voltage Indicator (PMID_GOOD)
      9. 7.3.9  Protections
         1. 7.3.9.1 Voltage and Current Monitoring in Buck Mode
            1. 7.3.9.1.1 Input Overvoltage Protection (ACOV)
            2. 7.3.9.1.2 System Overvoltage Protection (SYSOVP)
         2. 7.3.9.2 Voltage and Current Monitoring in Boost Mode
            1. 7.3.9.2.1 Boost Mode Overvoltage Protection
            2. 7.3.9.2.2 PMID Overcurrent Protection
         3. 7.3.9.3 Thermal Regulation and Thermal Shutdown
            1. 7.3.9.3.1 Thermal Protection in Buck Mode
            2. 7.3.9.3.2 Thermal Protection in Boost Mode
         4. 7.3.9.4 Battery Protection
            1. 7.3.9.4.1 Battery Overvoltage Protection (BATOVP)
            2. 7.3.9.4.2 Battery Overdischarge Protection
            3. 7.3.9.4.3 System Overcurrent Protection
      10. 7.3.10 Serial Interface
          1. 7.3.10.1 Data Validity
          2. 7.3.10.2 START and STOP Conditions
          3. 7.3.10.3 Byte Format
          4. 7.3.10.4 Acknowledge (ACK) and Not Acknowledge (NACK)
          5. 7.3.10.5 Slave Address and Data Direction Bit
          6. 7.3.10.6 Single Read and Write
          7. 7.3.10.7 Multi-Read and Multi-Write
   4. 7.4 Device Functional Modes
      1. 7.4.1 Host Mode and Default Mode
   5. 7.5 Register Maps
9. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
         1. 8.2.2.1 Inductor Selection
         2. 8.2.2.2 Input Capacitor and Resistor
         3. 8.2.2.3 Output Capacitor
      3. 8.2.3 Application Curves
10. 9 Power Supply Recommendations
11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
12. 11Device and Documentation Support
    1. 11.1 Device Support
       1. 11.1.1 第三方產(chǎn)品免責聲明
    2. 11.2 Documentation Support
       1. 11.2.1 Related Documentation
    3. 11.3 接收文檔更新通知
    4. 11.4 支持資源
    5. 11.5 Trademarks
    6. 11.6 靜電放電警告
    7. 11.7 術(shù)語表
13. 12Revision History
14. 13Mechanical, Packaging, and Orderable Information

具有 20mA 終止電流和 1A 升壓運行的 BQ25618/619 I²C 控制型 1.5A 單節(jié)電池充電器
具有 1.2A 升壓運行和輸入電壓浪涌保護的

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