JAJSQM7B June   2023  – February 2024 BQ25628E

PRODUCTION DATA  

1.   1
2. 1 特長
3. 2 アプリケーション
4. 3 概要
5. 4 概要 (続き)
6. 5 Device Comparison
7. 6 Pin Configuration and Functions
8. 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
9. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1 Power-On-Reset (POR)
      2. 8.3.2 Device Power Up from Battery
      3. 8.3.3 Device Power Up from Input Source
         1. 8.3.3.1 REGN LDO Power Up
         2. 8.3.3.2 Poor Source Qualification
         3. 8.3.3.3 ILIM Pin
         4. 8.3.3.4 Input Voltage Limit Threshold Setting (VINDPM Threshold)
         5. 8.3.3.5 Converter Power-Up
      4. 8.3.4 Power Path Management
         1. 8.3.4.1 Narrow VDC Architecture
         2. 8.3.4.2 Dynamic Power Management
         3. 8.3.4.3 High Impedance Mode
      5. 8.3.5 Battery Charging Management
         1. 8.3.5.1 Autonomous Charging Cycle
         2. 8.3.5.2 Battery Charging Profile
         3. 8.3.5.3 Charging Termination
         4. 8.3.5.4 Thermistor Qualification
            1. 8.3.5.4.1 Advanced Temperature Profile in Charge Mode
            2. 8.3.5.4.2 TS Pin Thermistor Configuration
            3. 8.3.5.4.3 JEITA Charge Rate Scaling
            4. 8.3.5.4.4 TS_BIAS Pin
         5. 8.3.5.5 Charging Safety Timers
      6. 8.3.6 Integrated 12-Bit ADC for Monitoring
      7. 8.3.7 Status Outputs ( PG, STAT, INT)
         1. 8.3.7.1 PG Pin Power Good Indicator
         2. 8.3.7.2 Interrupts and Status, Flag and Mask Bits
         3. 8.3.7.3 Charging Status Indicator (STAT)
         4. 8.3.7.4 Interrupt to Host ( INT)
      8. 8.3.8 BATFET Control
         1. 8.3.8.1 Shutdown Mode
         2. 8.3.8.2 Ship Mode
         3. 8.3.8.3 System Power Reset
      9. 8.3.9 Protections
         1. 8.3.9.1 Voltage and Current Monitoring in Battery Only and HIZ Modes
            1. 8.3.9.1.1 Battery Undervoltage Lockout
            2. 8.3.9.1.2 Battery Overcurrent Protection
         2. 8.3.9.2 Voltage and Current Monitoring in Buck Mode
            1. 8.3.9.2.1 Input Overvoltage
            2. 8.3.9.2.2 System Overvoltage Protection (SYSOVP)
            3. 8.3.9.2.3 Forward Converter Cycle-by-Cycle Current Limit
            4. 8.3.9.2.4 System Short
            5. 8.3.9.2.5 Battery Overvoltage Protection (BATOVP)
            6. 8.3.9.2.6 Sleep and Poor Source Comparators
         3. 8.3.9.3 Thermal Regulation and Thermal Shutdown
            1. 8.3.9.3.1 Thermal Protection in Buck Mode
            2. 8.3.9.3.2 Thermal Protection in Battery-Only Mode
   4. 8.4 Device Functional Modes
      1. 8.4.1 Host Mode and Default Mode
      2. 8.4.2 Register Bit Reset
   5. 8.5 Programming
      1. 8.5.1 Serial Interface
         1. 8.5.1.1 Data Validity
         2. 8.5.1.2 START and STOP Conditions
         3. 8.5.1.3 Byte Format
         4. 8.5.1.4 Acknowledge (ACK) and Not Acknowledge (NACK)
         5. 8.5.1.5 Target Address and Data Direction Bit
         6. 8.5.1.6 Single Write and Read
         7. 8.5.1.7 Multi-Write and Multi-Read
   6. 8.6 Register Maps
      1. 8.6.1 Register Programming
      2. 8.6.2 BQ25628E Registers
10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
       1. 9.2.1 Design Requirements
       2. 9.2.2 Detailed Design Procedure
          1. 9.2.2.1 Inductor Selection
          2. 9.2.2.2 Input Capacitor
          3. 9.2.2.3 Output Capacitor
       3. 9.2.3 Application Curves
11. 10Power Supply Recommendations
12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
13. 12Device and Documentation Support
    1. 12.1 Device Support
       1. 12.1.1 サード・パーティ製品に関する免責事項
    2. 12.2 Documentation Support
       1. 12.2.1 Related Documentation
    3. 12.3 ドキュメントの更新通知を受け取る方法
    4. 12.4 サポート・リソース
    5. 12.5 Trademarks
    6. 12.6 静電気放電に関する注意事項
    7. 12.7 用語集
14. 13Revision History
15. 14Mechanical, Packaging, and Orderable Information

BQ25628E I²C 制御、1 セル、2A、最大 18V 入力、降圧バッテリ チャージャ、NVDC パワー パス管理付き

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