ZHCSIO9A August   2018  – June 2021 TPSM831D31

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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  References: DAC
    7. 6.7  Telemetry
    8. 6.8  Current Sense and Calibration
    9. 6.9  Logic Interface Pins: A_EN, A_PGOOD, B_EN, B_PGOOD,RESET
    10. 6.10 Protections: OVP and UVP
    11. 6.11 Typical Characteristics (VIN = 12 V)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 DCAP+ Control
      2. 7.3.2 Setting the Load-Line (DROOP)
      3. 7.3.3 Start-Up Timing
      4. 7.3.4 Load Transitions
      5. 7.3.5 Switching Frequency
      6. 7.3.6 RESET Function
      7. 7.3.7 VID Table
    4. 7.4 Device Functional Modes
      1. 7.4.1 Continuous Conduction Mode
      2. 7.4.2 Operation With EN Signal Control
      3. 7.4.3 Operation With OPERATION Control
      4. 7.4.4 Operation With EN and OPERATION Control
    5. 7.5 Programming
      1. 7.5.1  PMBus Connections
      2. 7.5.2  PMBus Address Selection
      3. 7.5.3  Supported Commands
      4. 7.5.4  Commonly Used PMBus Commands
      5. 7.5.5  Voltage, Current, Power, and Temperature Readings
        1. 7.5.5.1 (88h) READ_VIN
        2. 7.5.5.2 (89h) READ_IIN
        3. 7.5.5.3 (8Bh) READ_VOUT
        4. 7.5.5.4 (8Ch) READ_IOUT
        5. 7.5.5.5 (8Dh) READ_TEMPERATURE_1
        6. 7.5.5.6 (96h) READ_POUT
        7. 7.5.5.7 (97h) READ_PIN
        8. 7.5.5.8 (D4h) MFR_SPECIFIC_04
      6. 7.5.6  Output Current Sense and Calibration
        1. 7.5.6.1 Reading Individual Phase Currents
          1. 7.5.6.1.1 Reading Total Current
          2. 7.5.6.1.2 51
      7. 7.5.7  Output Voltage Margin Testing
        1. 7.5.7.1 (01h) OPERATION
        2. 7.5.7.2 (26h) VOUT_MARGIN_LOW
        3. 7.5.7.3 (25h) VOUT_MARGIN_HIGH
      8. 7.5.8  Loop Compensation
        1. 7.5.8.1 (D7h) MFR_SPECIFIC_07
        2. 7.5.8.2 (28h) VOUT_DROOP
      9. 7.5.9  Converter Protection and Response
      10. 7.5.10 Output Overvoltage Protection and Response
        1. 7.5.10.1 (40h) VOUT_OV_FAULT_LIMIT
        2. 7.5.10.2 (41h) VOUT_OV_FAULT_RESPONSE
      11. 7.5.11 Maximum Allowed Output Voltage Setting
        1. 7.5.11.1 (24h) VOUT_MAX
      12. 7.5.12 Output Undervoltage Protection and Response
        1. 7.5.12.1 (44h) VOUT_UV_FAULT_LIMIT
        2. 7.5.12.2 (45h) VOUT_UV_FAULT_RESPONSE
      13. 7.5.13 Minimum Allowed Output Voltage Setting
        1. 7.5.13.1 (2Bh) VOUT_MIN
      14. 7.5.14 Output Overcurrent Protection and Response
        1. 7.5.14.1 (46h) IOUT_OC_FAULT_LIMIT
        2. 7.5.14.2 (4Ah) IOUT_OC_WARN_LIMIT
        3. 7.5.14.3 (47h) IOUT_OC_FAULT_RESPONSE
        4. 7.5.14.4 Per Phase Overcurrent Limit Thresholds
      15. 7.5.15 Input Under-Voltage Lockout (UVLO)
        1. 7.5.15.1 (35h) VIN_ON
      16. 7.5.16 Input Over-Voltage Protection and Response
        1. 7.5.16.1 (55h) VIN_OV_FAULT_LIMIT
        2. 7.5.16.2 (56h) VIN_OV_FAULT_RESPONSE
      17. 7.5.17 Input Undervoltage Protection and Response
        1. 7.5.17.1 (59h) VIN_UV_FAULT_LIMIT
        2. 7.5.17.2 (5Ah) VIN_UV_FAULT_RESPONSE
      18. 7.5.18 Input Overcurrent Protection and Response
        1. 7.5.18.1 (5Bh) IIN_OC_FAULT_LIMIT
        2. 7.5.18.2 (5Dh) IIN_OC_WARN_LIMIT
        3. 7.5.18.3 (5Ch) IIN_OC_FAULT_RESPONSE
      19. 7.5.19 Overtemperature Protection and Response
        1. 7.5.19.1 (4Fh) OT_FAULT_LIMIT
        2. 7.5.19.2 (51h) OT_WARN_LIMIT
        3. 7.5.19.3 (50h) OT_FAULT_RESPONSE
      20. 7.5.20 Dynamic Phase Shedding (DPS)
        1. 7.5.20.1 (DEh) MFR_SPECIFIC_14
        2. 7.5.20.2 (DFh) MFR_SPECIFIC_15
      21. 7.5.21 NVM Programming
      22. 7.5.22 NVM Security
        1. 7.5.22.1 (FAh) MFR_SPECIFIC_42
      23. 7.5.23 Black Box Recording
        1. 7.5.23.1 (D8h) MFR_SPECIFIC_08
      24. 7.5.24 Board Identification and Inventory Tracking
      25. 7.5.25 Status Reporting
        1. 7.5.25.1 (78h) STATUS_BYTE
        2. 7.5.25.2 (79h) STATUS_WORD
        3. 7.5.25.3 (7Ah) STATUS_VOUT
        4. 7.5.25.4 (7Bh) STATUS_IOUT
        5. 7.5.25.5 (7Ch) STATUS_INPUT
        6. 7.5.25.6 (7Dh) STATUS_TEMPERATURE
        7. 7.5.25.7 (7Eh) STATUS_CML
        8. 7.5.25.8 (80h) STATUS_MFR_SPECIFIC
  8. 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 Input Capacitors
        2. 8.2.2.2 Output Capacitors
        3. 8.2.2.3 Switching Frequency
        4. 8.2.2.4 Set PMBus Address
        5. 8.2.2.5 PMBus GUI Default Values
      3. 8.2.3 Application Performance Plots
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 Trademarks
    4. 11.4 静电放电警告
    5. 11.5 术语表
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
  • MOA|28
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.5.7.1 (01h) OPERATION

The OPERATION command is used to turn the device output on or off in conjunction with the input from the AVR_EN pin for channel A, and BEN pin for channel B, acc ording to the configuration of the ON_OFF_CONFIG command. It is also used to set the output voltage to the upper or lower MARGIN levels.

OPERATION is a paged register. In order to access OPERATION command for channel A, PAGE must be set to 00h. In order to access OPERATION register for channel B, PAGE must be set to 01h. For simultaneous access of channels A and B, the PAGE command must be set to FFh.

The OPERATION command must be accessed through Read Byte/Write Byte transactions.

OPERATION
76543210
RWRRWRWRWRWRWRW
ON0MARGIN00
LEGEND: R/W = Read/Write; R = Read only
Table 7-16 OPERATION Register Field Descriptions
BitFieldTypeResetDescription
7ONRW0b

Enable/disable power conversion for the currently selected channel(s) according to the PAGE command, when the ON_OFF_CONFIG command is configured to require input from the ON bit for output control. Note that there may be several other requirements that must be satisfied before the currently selected channel(s) can begin converting power (e.g. input voltages above UVLO thresholds, AVR_EN/BEN pins high if required by ON_OFF_CONFIG, etc...)

0b: Disable power conversion

1b: Enable power conversion

5:2MARGINRW0000b

Set the output voltage to either the value selected by the VOUT_MARGIN_HIGH or MARGIN_LOW commands, for the currently selected channel(s), according to the PAGE command.

0000b: Margin Off. Output voltage is set to the value of VOUT_COMMAND

0101b: Margin Low (Ignore Fault). Output voltage is set to the value of VOUT_MARGIN_LOW.

0110b: Margin Low (Act on Fault). Output voltage is set to the value of VOUT_MARGIN_LOW.

1001b: Margin High (Ignore Fault). Output voltage is set to the value of VOUT_MARGIN_HIGH

1010b: Margin High (Act on Fault). Output voltage is set to the value of VOUT_MARGIN_HIGH.

1:00RW00bThese bits are writeable but should always be set to 00b.

Note that the VOUT_MAX_WARN bit in STATUS_VOUT can be caused by a margin operation, if "Act on Fault" is selected, and the VOUT_MARGIN_HIGH/VOUT_MARGIN_LOW value loaded by the margin operation exceeds the value of VOUT_COMMAND.
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