ZHCSNM6A May   2021  – August 2021 TPS6521855

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     4
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Wake-Up and Power-Up and Power-Down Sequencing
        1. 7.3.1.1  Power-Up Sequencing
        2. 7.3.1.2  Power-Down Sequencing
        3. 7.3.1.3  Strobe 1 and Strobe 2
        4. 7.3.1.4  Supply Voltage Supervisor and Power-Good (PGOOD)
        5. 7.3.1.5  Internal LDO (INT_LDO)
        6. 7.3.1.6  Current Limited Load Switches
          1. 7.3.1.6.1 Load Switch 1 (LS1)
          2. 7.3.1.6.2 Load Switch 2 (LS2)
          3. 7.3.1.6.3 Load Switch 3 (LS3)
        7. 7.3.1.7  LDO1
        8. 7.3.1.8  UVLO
        9. 7.3.1.9  Power-Fail Comparator
        10. 7.3.1.10 DCDC3 and DCDC4 Power-Up Default Selection
        11. 7.3.1.11 I/O Configuration
          1. 7.3.1.11.1 Using GPIO3 as Reset Signal to DCDC1 and DCDC2
        12. 7.3.1.12 Push Button Input (PB)
          1. 7.3.1.12.1 Signaling PB-Low Event on the nWAKEUP Pin
          2. 7.3.1.12.2 Push Button Reset
        13. 7.3.1.13 AC_DET Input (AC_DET)
        14. 7.3.1.14 Interrupt Pin (INT)
        15. 7.3.1.15 I2C Bus Operation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Modes of Operation
      2. 7.4.2 OFF
      3. 7.4.3 ACTIVE
      4. 7.4.4 SUSPEND
      5. 7.4.5 RESET
    5. 7.5 Register Maps
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Applications Without Backup Battery
      2. 8.1.2 Applications Without Battery Backup Supplies
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Filter Design
        2. 8.2.2.2 Inductor Selection for Buck Converters
        3. 8.2.2.3 Output Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Package Option Addendum
      1. 12.1.1 Packaging Information
      2. 12.1.2 Tape and Reel 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

7.4.4 SUSPEND

The SUSPEND state is a low-power mode of operation intended to support system standby. Typically all power rails are turned off with the exception of any rail with an SEQ register set to 0h. DCDC5 and DCDC6 also remain enabled if the freshness seal is broken. To enter the SUSPEND state, pull the PWR_EN pin low. All power rails controlled by the power-down sequencer are shut down, and after 500 ms the device enters the SUSPEND state. All rails not controlled by the power-down sequencer will maintain its state. Note: all register values are reset as the device enters the SUSPEND state. The device enters the ACTIVE state after it detects a wake-up event as described in the previous sections.
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