ZHCSD04E November   2014  – March 2022 TPS65400

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 Pin Configuration and Functions
7. 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 System Characteristics
   7. 7.7 Operational Parameters
   8. 7.8 Package Dissipation Ratings
   9. 7.9 Typical Characteristics: System Efficiency
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagrams
   3. 8.3 Feature Description
      1. 8.3.1  Startup Timing and Power Sequencing
         1. 8.3.1.1 Startup Timing
         2. 8.3.1.2 External Sequencing
         3. 8.3.1.3 Internal Sequencing
      2. 8.3.2  UVLO and Precision Enables
      3. 8.3.3  Soft-Start and Prebiased Startup
         1. 8.3.3.1 Analog Soft-Start (Default) and Digital Soft-Start
         2. 8.3.3.2 Soft-Start Capacitor Selection
      4. 8.3.4  PWM Switching Frequency Selection
      5. 8.3.5  Clock Synchronization
      6. 8.3.6  Phase Interleaving
      7. 8.3.7  Fault Handling
      8. 8.3.8  OCP for SW1 to SW4
      9. 8.3.9  Overcurrent Protection for SW1 to SW4 in Current Sharing Operation
      10. 8.3.10 Recovery on Power Loss
      11. 8.3.11 Feedback Compensation
      12. 8.3.12 Adjusting Output Voltage
      13. 8.3.13 Digital Interface – PMBus
      14. 8.3.14 Initial Configuration
   4. 8.4 Device Functional Modes
      1. 8.4.1 CCM Operation Mode
      2. 8.4.2 CCM/DCM Operation Mode
      3. 8.4.3 Current Sharing Mode
   5. 8.5 Programming
      1. 8.5.1 PMBus
         1. 8.5.1.1 Overview
         2. 8.5.1.2 PMBus Protocol
            1. 8.5.1.2.1  PMBus Protocol
            2. 8.5.1.2.2  Transactions (No PEC)
            3. 8.5.1.2.3  Addressing
            4. 8.5.1.2.4  Startup
            5. 8.5.1.2.5  Bus Speed
            6. 8.5.1.2.6  I2CALERT Terminal
            7. 8.5.1.2.7  CONTROL Terminal
            8. 8.5.1.2.8  Packet Error Checking
            9. 8.5.1.2.9  Group Commands
            10. 8.5.1.2.10 Unsupported Features
      2. 8.5.2 PMBus Register Descriptions
         1. 8.5.2.1 Overview
         2. 8.5.2.2 Memory Model
         3. 8.5.2.3 Data Formats
         4. 8.5.2.4 Fault Monitoring
   6. 8.6 Register Maps
      1. 8.6.1 PMBus Core Commands
         1. 8.6.1.1  (00h) PAGE
         2. 8.6.1.2  (01h) OPERATION
         3. 8.6.1.3  (03h) CLEAR_FAULTS
         4. 8.6.1.4  (10h) WRITE_PROTECT
         5. 8.6.1.5  (11h) STORE_DEFAULT_ALL
         6. 8.6.1.6  (19h) CAPABILITY
         7. 8.6.1.7  (78h) STATUS_BYTE
         8. 8.6.1.8  (79h) STATUS_WORD
         9. 8.6.1.9  (7Ah) STATUS_VOUT
         10. 8.6.1.10 (80h) STATUS_MFR_SPECIFIC
         11. 8.6.1.11 (98h) PMBUS_REVISION
         12. 8.6.1.12 (ADh) IC_DEVICE_ID
         13. 8.6.1.13 (AEh) IC_DEVICE_REV
      2. 8.6.2 Manufacturer-Specific Commands
         1. 8.6.2.1  (D0h) USER_DATA_BYTE_00
         2. 8.6.2.2  (D1h) USER_DATA_BYTE_01
         3. 8.6.2.3  (D2h) PIN_CONFIG_00
         4. 8.6.2.4  (D3h) PIN_CONFIG_01
         5. 8.6.2.5  (D4h) SEQUENCE_CONFIG
         6. 8.6.2.6  (D5h) SEQUENCE_ORDER
         7. 8.6.2.7  (D6h) IOUT_MODE
         8. 8.6.2.8  (D7h) FREQUENCY_PHASE
         9. 8.6.2.9  (D8h) VREF_COMMAND
         10. 8.6.2.10 (D9h) IOUT_MAX
         11. 8.6.2.11 (DAh) USER_RAM_00
         12. 8.6.2.12 (DBh) SOFT_RESET
         13. 8.6.2.13 (DCh) RESET_DELAY
         14. 8.6.2.14 (DDh) TON_TOFF_DELAY
         15. 8.6.2.15 (DEh) TON_TRANSITION_RATE
         16. 8.6.2.16 (DFh) VREF_TRANSITION_RATE
         17. 8.6.2.17 (F0h) SLOPE_COMPENSATION
         18. 8.6.2.18 (F1h) ISENSE_GAIN
         19. 8.6.2.19 (FCh) DEVICE_CODE
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Applications
      1. 9.2.1 Internal Operation Typical Application
         1. 9.2.1.1 Design Requirements
         2. 9.2.1.2 Detailed Design Procedure
            1. 9.2.1.2.1 Component Selection
               1. 9.2.1.2.1.1 Output Inductor Selection
               2. 9.2.1.2.1.2 Output Capacitor Selection
            2. 9.2.1.2.2 Internal Operation With Some Switchers Disabled
            3. 9.2.1.2.3 Internal Operation With All Switchers Enabled
            4. 9.2.1.2.4 Example Configuration
            5. 9.2.1.2.5 Unused Switchers
         3. 9.2.1.3 Application Curves
      2. 9.2.2 Current Sharing Typical Application
         1. 9.2.2.1 Design Requirements
         2. 9.2.2.2 Detailed Design Procedure
            1. 9.2.2.2.1 Current Sharing Timing Example
      3. 9.2.3 External Sequencing Application
         1. 9.2.3.1 Design Requirements
         2. 9.2.3.2 Detailed Design Procedure
            1. 9.2.3.2.1 External Sequencing Through PG Pins
            2. 9.2.3.2.2 External Sequencing Through SW
            3. 9.2.3.2.3 Example Configuration
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
12. 12Device and Documentation Support
    1. 12.1 Documentation Support
       1. 12.1.1 Related Documentation
       2. 12.1.2 Related Parts
    2. 12.2 接收文档更新通知
    3. 12.3 术语表
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
13. 13Mechanical, Packaging, and Orderable Information