ZHCSNL3A December   2021  – November 2023 TPSM8D6C24

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Average Current-Mode Control
        1. 6.3.1.1 On-Time Modulator
        2. 6.3.1.2 Current Error Integrator
        3. 6.3.1.3 Voltage Error Integrator
      2. 6.3.2  Linear Regulators
      3. 6.3.3  AVIN and PVIN Pins
      4. 6.3.4  Input Undervoltage Lockout (UVLO)
        1. 6.3.4.1 Fixed AVIN UVLO
        2. 6.3.4.2 Fixed VDD5 UVLO
        3. 6.3.4.3 Programmable PVIN UVLO
        4. 6.3.4.4 EN/UVLO Pin
      5. 6.3.5  Start-Up and Shutdown
      6. 6.3.6  Differential Sense Amplifier and Feedback Divider
      7. 6.3.7  Set Output Voltage and Adaptive Voltage Scaling (AVS)
        1. 6.3.7.1 Reset Output Voltage
        2. 6.3.7.2 Soft Start
      8. 6.3.8  Prebiased Output Start-Up
      9. 6.3.9  Soft Stop and (65h) TOFF_FALL Command
      10. 6.3.10 Power Good (PGOOD)
      11. 6.3.11 Set Switching Frequency
      12. 6.3.12 Frequency Synchronization
      13. 6.3.13 Loop Follower Detection
      14. 6.3.14 Current Sensing and Sharing
      15. 6.3.15 Telemetry
      16. 6.3.16 Overcurrent Protection
      17. 6.3.17 Overvoltage and Undervoltage Protection
      18. 6.3.18 Overtemperature Management
      19. 6.3.19 Fault Management
      20. 6.3.20 Back-Channel Communication
      21. 6.3.21 Switching Node (SW)
      22. 6.3.22 PMBus General Description
      23. 6.3.23 PMBus Address
      24. 6.3.24 PMBus Connections
    4. 6.4 Device Functional Modes
      1. 6.4.1 Programming Mode
      2. 6.4.2 Standalone, Loop Controller, and Loop Follower Mode Pin Connections
      3. 6.4.3 Continuous Conduction Mode
      4. 6.4.4 Operation With CNTL Signal (EN/UVLO)
      5. 6.4.5 Operation with (01h) OPERATION Control
      6. 6.4.6 Operation with CNTL and (01h) OPERATION Control
    5. 6.5 Programming
      1. 6.5.1 Supported PMBus Commands
      2. 6.5.2 Pin Strapping
        1. 6.5.2.1 Programming MSEL1
        2. 6.5.2.2 Programming MSEL2
        3. 6.5.2.3 Programming VSEL
        4. 6.5.2.4 Programming ADRSEL
        5. 6.5.2.5 Programming MSEL2 for a Loop Follower Device (GOSNS Tied to BP1V5)
        6. 6.5.2.6 Pin-Strapping Resistor Configuration
    6. 6.6 Register Maps
      1. 6.6.1  Conventions for Documenting Block Commands
      2. 6.6.2  (01h) OPERATION
      3. 6.6.3  (02h) ON_OFF_CONFIG
      4. 6.6.4  (03h) CLEAR_FAULTS
      5. 6.6.5  (04h) PHASE
      6. 6.6.6  (10h) WRITE_PROTECT
      7. 6.6.7  (15h) STORE_USER_ALL
      8. 6.6.8  (16h) RESTORE_USER_ALL
      9. 6.6.9  (19h) CAPABILITY
      10. 6.6.10 (1Bh) SMBALERT_MASK
      11. 6.6.11 (1Bh) SMBALERT_MASK_VOUT
      12. 6.6.12 (1Bh) SMBALERT_MASK_IOUT
      13. 6.6.13 (1Bh) SMBALERT_MASK_INPUT
      14. 6.6.14 (1Bh) SMBALERT_MASK_TEMPERATURE
      15. 6.6.15 (1Bh) SMBALERT_MASK_CML
      16. 6.6.16 (1Bh) SMBALERT_MASK_OTHER
      17. 6.6.17 (1Bh) SMBALERT_MASK_MFR
      18. 6.6.18 (20h) VOUT_MODE
      19. 6.6.19 (21h) VOUT_COMMAND
      20. 6.6.20 (22h) VOUT_TRIM
      21. 6.6.21 (24h) VOUT_MAX
      22. 6.6.22 (25h) VOUT_MARGIN_HIGH
      23. 6.6.23 (26h) VOUT_MARGIN_LOW
      24. 6.6.24 (27h) VOUT_TRANSITION_RATE
      25. 6.6.25 (29h) VOUT_SCALE_LOOP
      26. 6.6.26 (2Bh) VOUT_MIN
      27. 6.6.27 (33h) FREQUENCY_SWITCH
      28. 6.6.28 (35h) VIN_ON
      29. 6.6.29 (36h) VIN_OFF
      30. 6.6.30 (37h) INTERLEAVE
      31. 6.6.31 (38h) IOUT_CAL_GAIN
      32. 6.6.32 (39h) IOUT_CAL_OFFSET
      33. 6.6.33 (40h) VOUT_OV_FAULT_LIMIT
      34. 6.6.34 (41h) VOUT_OV_FAULT_RESPONSE
      35. 6.6.35 (42h) VOUT_OV_WARN_LIMIT
      36. 6.6.36 (43h) VOUT_UV_WARN_LIMIT
      37. 6.6.37 (44h) VOUT_UV_FAULT_LIMIT
      38. 6.6.38 (45h) VOUT_UV_FAULT_RESPONSE
      39. 6.6.39 (46h) IOUT_OC_FAULT_LIMIT
      40. 6.6.40 (47h) IOUT_OC_FAULT_RESPONSE
      41. 6.6.41 (4Ah) IOUT_OC_WARN_LIMIT
      42. 6.6.42 (4Fh) OT_FAULT_LIMIT
      43. 6.6.43 (50h) OT_FAULT_RESPONSE
      44. 6.6.44 (51h) OT_WARN_LIMIT
      45. 6.6.45 (55h) VIN_OV_FAULT_LIMIT
      46. 6.6.46 (56h) VIN_OV_FAULT_RESPONSE
      47. 6.6.47 (58h) VIN_UV_WARN_LIMIT
      48. 6.6.48 (60h) TON_DELAY
      49. 6.6.49 (61h) TON_RISE
      50. 6.6.50 (62h) TON_MAX_FAULT_LIMIT
      51. 6.6.51 (63h) TON_MAX_FAULT_RESPONSE
      52. 6.6.52 (64h) TOFF_DELAY
      53. 6.6.53 (65h) TOFF_FALL
      54. 6.6.54 (78h) STATUS_BYTE
      55. 6.6.55 (79h) STATUS_WORD
      56. 6.6.56 (7Ah) STATUS_VOUT
      57. 6.6.57 (7Bh) STATUS_IOUT
      58. 6.6.58 (7Ch) STATUS_INPUT
      59. 6.6.59 (7Dh) STATUS_TEMPERATURE
      60. 6.6.60 (7Eh) STATUS_CML
      61. 6.6.61 (7Fh) STATUS_OTHER
      62. 6.6.62 (80h) STATUS_MFR_SPECIFIC
      63. 6.6.63 (88h) READ_VIN
      64. 6.6.64 (8Bh) READ_VOUT
      65. 6.6.65 (8Ch) READ_IOUT
      66. 6.6.66 (8Dh) READ_TEMPERATURE_1
      67. 6.6.67 (98h) PMBUS_REVISION
      68. 6.6.68 (99h) MFR_ID
      69. 6.6.69 (9Ah) MFR_MODEL
      70. 6.6.70 (9Bh) MFR_REVISION
      71. 6.6.71 (9Eh) MFR_SERIAL
      72. 6.6.72 (ADh) IC_DEVICE_ID
      73. 6.6.73 (AEh) IC_DEVICE_REV
      74. 6.6.74 (B1h) USER_DATA_01 (COMPENSATION_CONFIG)
      75. 6.6.75 (B5h) USER_DATA_05 (POWER_STAGE_CONFIG)
      76. 6.6.76 (D0h) MFR_SPECIFIC_00 (TELEMETRY_CONFIG)
      77. 6.6.77 (DAh) MFR_SPECIFIC_10 (READ_ALL)
      78. 6.6.78 (DBh) MFR_SPECIFIC_11 (STATUS_ALL)
      79. 6.6.79 (DCh) MFR_SPECIFIC_12 (STATUS_PHASE)
      80. 6.6.80 (E4h) MFR_SPECIFIC_20 (SYNC_CONFIG)
      81. 6.6.81 (ECh) MFR_SPECIFIC_28 (STACK_CONFIG)
      82. 6.6.82 (EDh) MFR_SPECIFIC_29 (MISC_OPTIONS)
      83. 6.6.83 (EEh) MFR_SPECIFIC_30 (PIN_DETECT_OVERRIDE)
      84. 6.6.84 (EFh) MFR_SPECIFIC_31 (DEVICE_ADDRESS)
      85. 6.6.85 (F0h) MFR_SPECIFIC_32 (NVM_CHECKSUM)
      86. 6.6.86 (F1h) MFR_SPECIFIC_33 (SIMULATE_FAULT)
      87. 6.6.87 (FCh) MFR_SPECIFIC_44 (FUSION_ID0)
      88. 6.6.88 (FDh) MFR_SPECIFIC_45 (FUSION_ID1)
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1  Custom Design With WEBENCH® Tools
        2. 7.2.2.2  Switching Frequency
        3. 7.2.2.3  Output Voltage Setting (VSEL Pin)
        4. 7.2.2.4  Compensation Selection (MSEL1 Pin)
        5. 7.2.2.5  Output Capacitor Selection
          1. 7.2.2.5.1 Output Voltage Ripple
        6. 7.2.2.6  Input Capacitor Selection
        7. 7.2.2.7  Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
        8. 7.2.2.8  Enable and UVLO
        9. 7.2.2.9  ADRSEL
        10. 7.2.2.10 BCX_CLK and BCX_DAT
      3. 7.2.3 Application Curves
    3. 7.3 Two-Phase Application
      1. 7.3.1 Design Requirements
      2. 7.3.2 Two-Phase Detailed Design Procedure
        1. 7.3.2.1  Switching Frequency
        2. 7.3.2.2  Output Voltage Setting (VSEL Pin)
        3. 7.3.2.3  Compensation Selection (MSEL1 Pin)
        4. 7.3.2.4  Output Capacitor Selection
        5. 7.3.2.5  Input Capacitor Selection
        6. 7.3.2.6  GOSNS/Loop Follower Pin of Loop Follower Devices
        7. 7.3.2.7  Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
        8. 7.3.2.8  Enable, UVLO
        9. 7.3.2.9  VSHARE Pin
          1. 7.3.2.9.1 ADRSEL Pin
        10. 7.3.2.10 SYNC Pin
        11. 7.3.2.11 VOSNS Pin of Loop Follower Devices
        12. 7.3.2.12 Unused Pins of Loop Follower Devices
      3. 7.3.3 Application Curves
    4. 7.4 Four-Phase Application
    5. 7.5 Power Supply Recommendations
    6. 7.6 Layout
      1. 7.6.1 Layout Guidelines
      2. 7.6.2 Layout Example
        1. 7.6.2.1 Thermal Performance on the TI EVM
        2. 7.6.2.2 EMI
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 8.1.2 Development Support
        1. 8.1.2.1 Texas Instruments Fusion Digital Power Designer
        2. 8.1.2.2 Custom Design With WEBENCH® Tools
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
  • MOW|59
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.2.2.8 Enable and UVLO

The ON_OFF_CONFIG command is used to select the turn-on behavior of the converter. For this example, the EN/UVLO pin or CONTROL pin was used to enable or disable the converter, regardless of the state of OPERATION, as long as the input voltage is present and above the UVLO threshold. The EN/UVLO pin is pulled low internally if it is floating.

A resistor divider can be added the EN/UVLO pin to program an additional UVLO. Additionally 0.1 µF can be placed on this pin to filter noise or short glitches. Use Equation 23 and Equation 24 to calculate the resistor values to target a 4.75-V turn-on and a 4.25-V turn-off. Standard resistor values of 30.1 kΩ and 7.50 kΩ are selected for this example. Use Equation 25 and Equation 26 to calculate the thresholds based on selected resistor values.

Equation 23. GUID-1337D564-EBC1-4F6E-A734-56528FFF9235-low.gif
Equation 24. GUID-0D1349F1-5FA3-439C-94EF-316D1D94E577-low.gif
Equation 25. GUID-DDD5F635-765D-4B00-A6A6-5F3990420A30-low.gif
Equation 26. GUID-A9C56C5B-4FCB-45F7-A0FD-510A6C5926FD-low.gif
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