ZHCSJX0A June   2019  – January 2021 BQ25125

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and 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 Timing Requirements
    7. 8.7 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  Ship Mode
        1. 9.3.1.1 Ship Mode Entry and Exit
      2. 9.3.2  High Impedance Mode
      3. 9.3.3  Active Battery Only Connected
      4. 9.3.4  Voltage Based Battery Monitor
      5. 9.3.5  Sleep Mode
      6. 9.3.6  Input Voltage Based Dynamic Power Management (VIN(DPM))
      7. 9.3.7  Input Overvoltage Protection and Undervoltage Status Indication
      8. 9.3.8  Battery Charging Process and Charge Profile
      9. 9.3.9  Battery Supplement Mode
      10. 9.3.10 Default Mode
      11. 9.3.11 Termination and Pre-Charge Current Programming by External Components (IPRETERM)
      12. 9.3.12 Input Current Limit Programming by External Components (ILIM)
      13. 9.3.13 Charge Current Programming by External Components (ISET)
      14. 9.3.14 Safety Timer
      15. 9.3.15 External NTC Monitoring (TS)
      16. 9.3.16 Thermal Protection
      17. 9.3.17 Typical Application Power Dissipation
      18. 9.3.18 Status Indicators ( PG and INT)
      19. 9.3.19 Chip Disable ( CD)
      20. 9.3.20 Buck (PWM) Output
      21. 9.3.21 Load Switch / LDO Output and Control
      22. 9.3.22 Manual Reset Timer and Reset Output ( MR and RESET)
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 Serial Interface Description
      2. 9.5.2 F/S Mode Protocol
    6. 9.6 Register Maps
      1. 9.6.1  Status and Ship Mode Control Register
      2. 9.6.2  Faults and Faults Mask Register
      3. 9.6.3  TS Control and Faults Masks Register
      4. 9.6.4  Fast Charge Control Register
      5. 9.6.5  Termination/Pre-Charge Register
      6. 9.6.6  Battery Voltage Control Register
      7. 9.6.7  SYS VOUT Control Register
      8. 9.6.8  Load Switch and LDO Control Register
      9. 9.6.9  Push-button Control Register
      10. 9.6.10 ILIM and Battery UVLO Control Register
      11. 9.6.11 Voltage Based Battery Monitor Register
      12. 9.6.12 VIN_DPM and Timers Register
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Default Settings
        2. 10.2.2.2 Choose the Correct Inductance and Capacitance
        3. 10.2.2.3 Calculations
          1. 10.2.2.3.1 Program the Fast Charge Current (ISET)
          2. 10.2.2.3.2 Program the Input Current Limit (ILIM)
          3. 10.2.2.3.3 Program the Pre-charge/termination Threshold (IPRETERM)
          4. 10.2.2.3.4 TS Resistors (TS)
      3. 10.2.3 Application Performance Curves
        1. 10.2.3.1 Charger Curves
        2. 10.2.3.2 SYS Output Curves
        3. 10.2.3.3 Load Switch and LDO Curves
        4. 10.2.3.4 LS/LDO Output Curves
        5. 10.2.3.5 Timing Waveforms Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information

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

10.2.3.5 Timing Waveforms Curves

GUID-18AA6049-7575-46C7-9013-375D08BB304F-low.gif
Figure 10-57 Show PG and INT Timing (VIN Insertion)
GUID-976D44A4-95AD-4086-A4EF-583CD44F7E66-low.gif
Figure 10-59 PG Functions as Shifted MR Output
GUID-CADA3B2C-F674-4472-94A5-3EED96FFAD68-low.gif
Wake1 = 500 msWake2 = 1 s
Figure 10-61 Show MR Timing
GUID-A92CD4E9-C863-4E5D-AED9-DC538D1536E0-low.gif
RESET = 4 s
Figure 10-63 RESET Timing
GUID-C07C2C93-F71E-45EF-A5E9-D6508A74B3B0-low.gif
RESET = 14 s
Figure 10-65 RESET Timing
GUID-071A50D6-05D6-407B-B9DA-DCB3C7E10910-low.gif
Figure 10-58 Show PG and INT Timing (VIN Removal)
GUID-0A27ED1C-84C6-436D-AFDF-8F6DEF4B2E87-low.gif
Figure 10-60 PG Functions as Shifted MR Output
GUID-31666D2E-8DDC-4A89-AF09-62D599A964F4-low.gif
Wake1 = 50 msWake2 = 1.5 s
Figure 10-62 Show MR Timing
GUID-0DE7E53C-F61C-45B8-9EC6-0CCF97A18750-low.gif
RESET = 8 s
Figure 10-64 RESET Timing
GUID-F60CAC37-A495-4BC6-8D46-BF11C57EF506-low.gif
Figure 10-66 RESET Timing and Enter Ship Mode
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