ZHCSRU8 February   2024

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Pin Configuration and Functions
  6. 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. 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, 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, 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
  8. Register Maps
    1. 7.1  Conventions for Documenting Block Commands
    2. 7.2  (01h) OPERATION
    3. 7.3  (02h) ON_OFF_CONFIG
    4. 7.4  (03h) CLEAR_FAULTS
    5. 7.5  (04h) PHASE
    6. 7.6  (10h) WRITE_PROTECT
    7. 7.7  (15h) STORE_USER_ALL
    8. 7.8  (16h) RESTORE_USER_ALL
    9. 7.9  (19h) CAPABILITY
    10. 7.10 (1Bh) SMBALERT_MASK
    11. 7.11 (1Bh) SMBALERT_MASK_VOUT
    12. 7.12 (1Bh) SMBALERT_MASK_IOUT
    13. 7.13 (1Bh) SMBALERT_MASK_INPUT
    14. 7.14 (1Bh) SMBALERT_MASK_TEMPERATURE
    15. 7.15 (1Bh) SMBALERT_MASK_CML
    16. 7.16 (1Bh) SMBALERT_MASK_OTHER
    17. 7.17 (1Bh) SMBALERT_MASK_MFR
    18. 7.18 (20h) VOUT_MODE
    19. 7.19 (21h) VOUT_COMMAND
    20. 7.20 (22h) VOUT_TRIM
    21. 7.21 (24h) VOUT_MAX
    22. 7.22 (25h) VOUT_MARGIN_HIGH
    23. 7.23 (26h) VOUT_MARGIN_LOW
    24. 7.24 (27h) VOUT_TRANSITION_RATE
    25. 7.25 (29h) VOUT_SCALE_LOOP
    26. 7.26 (2Bh) VOUT_MIN
    27. 7.27 (33h) FREQUENCY_SWITCH
    28. 7.28 (35h) VIN_ON
    29. 7.29 (36h) VIN_OFF
    30. 7.30 (37h) INTERLEAVE
    31. 7.31 (38h) IOUT_CAL_GAIN
    32. 7.32 (39h) IOUT_CAL_OFFSET
    33. 7.33 (40h) VOUT_OV_FAULT_LIMIT
    34. 7.34 (41h) VOUT_OV_FAULT_RESPONSE
    35. 7.35 (42h) VOUT_OV_WARN_LIMIT
    36. 7.36 (43h) VOUT_UV_WARN_LIMIT
    37. 7.37 (44h) VOUT_UV_FAULT_LIMIT
    38. 7.38 (45h) VOUT_UV_FAULT_RESPONSE
    39. 7.39 (46h) IOUT_OC_FAULT_LIMIT
    40. 7.40 (47h) IOUT_OC_FAULT_RESPONSE
    41. 7.41 (4Ah) IOUT_OC_WARN_LIMIT
    42. 7.42 (4Fh) OT_FAULT_LIMIT
    43. 7.43 (50h) OT_FAULT_RESPONSE
    44. 7.44 (51h) OT_WARN_LIMIT
    45. 7.45 (55h) VIN_OV_FAULT_LIMIT
    46. 7.46 (56h) VIN_OV_FAULT_RESPONSE
    47. 7.47 (58h) VIN_UV_WARN_LIMIT
    48. 7.48 (60h) TON_DELAY
    49. 7.49 (61h) TON_RISE
    50. 7.50 (62h) TON_MAX_FAULT_LIMIT
    51. 7.51 (63h) TON_MAX_FAULT_RESPONSE
    52. 7.52 (64h) TOFF_DELAY
    53. 7.53 (65h) TOFF_FALL
    54. 7.54 (78h) STATUS_BYTE
    55. 7.55 (79h) STATUS_WORD
    56. 7.56 (7Ah) STATUS_VOUT
    57. 7.57 (7Bh) STATUS_IOUT
    58. 7.58 (7Ch) STATUS_INPUT
    59. 7.59 (7Dh) STATUS_TEMPERATURE
    60. 7.60 (7Eh) STATUS_CML
    61. 7.61 (7Fh) STATUS_OTHER
    62. 7.62 (80h) STATUS_MFR_SPECIFIC
    63. 7.63 (88h) READ_VIN
    64. 7.64 (8Bh) READ_VOUT
    65. 7.65 (8Ch) READ_IOUT
    66. 7.66 (8Dh) READ_TEMPERATURE_1
    67. 7.67 (98h) PMBUS_REVISION
    68. 7.68 (99h) MFR_ID
    69. 7.69 (9Ah) MFR_MODEL
    70. 7.70 (9Bh) MFR_REVISION
    71. 7.71 (9Eh) MFR_SERIAL
    72. 7.72 (ADh) IC_DEVICE_ID
    73. 7.73 (AEh) IC_DEVICE_REV
    74. 7.74 (B1h) USER_DATA_01 (COMPENSATION_CONFIG)
    75. 7.75 (B5h) USER_DATA_05 (POWER_STAGE_CONFIG)
    76. 7.76 (D0h) MFR_SPECIFIC_00 (TELEMETRY_CONFIG)
    77. 7.77 (DAh) MFR_SPECIFIC_10 (READ_ALL)
    78. 7.78 (DBh) MFR_SPECIFIC_11 (STATUS_ALL)
    79. 7.79 (DCh) MFR_SPECIFIC_12 (STATUS_PHASE)
    80. 7.80 (E3h) MFR_SPECIFIC_19 (PGOOD_CONFIG)
    81. 7.81 (E4h) MFR_SPECIFIC_20 (SYNC_CONFIG)
    82. 7.82 (ECh) MFR_SPECIFIC_28 (STACK_CONFIG)
    83. 7.83 (EDh) MFR_SPECIFIC_29 (MISC_OPTIONS)
    84. 7.84 (EEh) MFR_SPECIFIC_30 (PIN_DETECT_OVERRIDE)
    85. 7.85 (EFh) MFR_SPECIFIC_31 (DEVICE_ADDRESS)
    86. 7.86 (F0h) MFR_SPECIFIC_32 (NVM_CHECKSUM)
    87. 7.87 (F1h) MFR_SPECIFIC_33 (SIMULATE_FAULT)
    88. 7.88 (FAh) MFR_SPECIFIC_42 (PASSKEY)
    89. 7.89 (FBh) MFR_SPECIFIC_43 (EXT_WRITE_PROTECT)
    90. 7.90 (FCh) MFR_SPECIFIC_44 (FUSION_ID0)
    91. 7.91 (FDh) MFR_SPECIFIC_45 (FUSION_ID1)
  9. 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  Custom Design With WEBENCH® Tools
        2. 8.2.2.2  Switching Frequency
        3. 8.2.2.3  Output Voltage Setting (VSEL Pin)
        4. 8.2.2.4  Compensation Selection (MSEL1 Pin)
        5. 8.2.2.5  Output Capacitor Selection
          1. 8.2.2.5.1 Output Voltage Ripple
        6. 8.2.2.6  Input Capacitor Selection
        7. 8.2.2.7  Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
        8. 8.2.2.8  Enable and UVLO
        9. 8.2.2.9  ADRSEL
        10. 8.2.2.10 BCX_CLK and BCX_DAT
      3. 8.2.3 Application Curves
    3. 8.3 Two-Phase Application
      1. 8.3.1 Design Requirements
      2. 8.3.2 Two-Phase Detailed Design Procedure
        1. 8.3.2.1  Switching Frequency
        2. 8.3.2.2  Output Voltage Setting (VSEL Pin)
        3. 8.3.2.3  Compensation Selection (MSEL1 Pin)
        4. 8.3.2.4  Output Capacitor Selection
        5. 8.3.2.5  Input Capacitor Selection
        6. 8.3.2.6  GOSNS/Loop Follower Pin of Loop Follower Devices
        7. 8.3.2.7  Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
        8. 8.3.2.8  Enable, UVLO
        9. 8.3.2.9  VSHARE Pin
          1. 8.3.2.9.1 ADRSEL Pin
        10. 8.3.2.10 SYNC Pin
        11. 8.3.2.11 VOSNS Pin of Loop Follower Devices
        12. 8.3.2.12 Unused Pins of Loop Follower Devices
      3. 8.3.3 Two-Phase Application Curves
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
        1. 8.5.2.1 Thermal Performance on the TI EVM
  10. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 第三方产品免责声明
      2. 9.1.2 Development Support
        1. 9.1.2.1 Texas Instruments Fusion Digital Power Designer
        2. 9.1.2.2 Custom Design With WEBENCH® Tools
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

(E3h) MFR_SPECIFIC_19 (PGOOD_CONFIG)

CMD AddressE3h
Write Transaction:Write Word
Read Transaction:Read Word
FormatUnsigned Word
Phased:No
NVM Backup:EEPROM or Pin Detect
Updates:Conversion Disable: see below. Conversion Enable: Read-Only
Figure 7-79 (E3h) MFR_SPECIFIC_19 (PGOOD_CONFIG) Register Map
15141312111098
RRRRRRRR
PGOOD_OFF_DELAY[3:0]PGOOD_ON_DELAY[3:0]
76543210
RRRRRWRWRWRW
pgmOVFpgmOVWpgmUVWpgmUVFpgmOCWpgmOCFpgmINOVWpgmINOVF
LEGEND: R/W = Read/Write; R = Read only
Table 7-79 Register Field Descriptions

Bit

Field

Access

Reset

Description

15:12

PGOOD_OFF_DELAY[3:0]

RW

NVM

Sets Delay from the detection of an unmasked Fault or Warning event to the assertion of PGOOD low.

0d: Delay PGOOD high-low 1 PWM CLK

1d-15d: Delay PGOOD high-low 2N+1 PWM CLKs

11:8

PGOOD_ON_DELAY[3:0]

RW

NVM

Sets Delay from the detection of no unmasked Fault or Warning events to the release of PGOOD low.

0d: Delay PGOOD low-hight to 1 PWM CLK

1d-15d: Delay PGOOD low-high 2N+1 PWM CLKs

7

pgmOVF

RW

NVM

0b: Output Overvoltage Fault can assert PGOOD low.

1b: Output Overvoltage Fault cannot assert PGOOD low.

6

pgmOVW

RW

NVM

0b: Output Overvoltage Warning can assert PGOOD low.

1b: Output Overvoltage Warning cannot assert PGOOD low.

5

pgmUVF

RW

NVM

0b: Output Undervoltage Fault can assert PGOOD low.

1b: Output Undervoltage Fault cannot assert PGOOD low.

4

pgmUVW

RW

NVM

0b: Output Undervoltage Warning can assert PGOOD low.

1b: Output Undervoltage Warning cannot assert PGOOD low.

3

pgmOCW

RW

NVM

0b: Output Overcurrent Warning can assert PGOOD low.

1b: Output Overcurrent Warning cannot assert PGOOD low.

2

pgmOCF

RW

NVM

0b: Output Overcurrent Fault can assert PGOOD low.

1b: Output Overcurrent Fault cannot assert PGOOD low.

1

pgmINOVW

RW

NVM

0b: Input Overvoltage Warning can assert PGOOD low.

1b: Input Overvoltage Warning cannot assert PGOOD low.

0

pgmINOVF

RW

NVM

0b: Intput Overvoltage Fault can assert PGOOD low.

1b: Intput Overvoltage Fault cannot assert PGOOD low.

Power Good indicates the status of the converter. (E3h) MFR_SPECIFIC_19 (PGOOD_CONFIG) provides control of the delays asserting and releasing Power Good. Power Good is always low while conversion is disabled, during (60h) TON_DELAY, (61h) TON_RISE, (65h) TOFF_FALL, and during a fault shut-down or hiccup delay. PGOOD_OFF_DELAY is bypassed during (65h) TOFF_FALL and during a fault shut-down or hiccup. Power Good will still be asserted on an unmasked fault event unless that fault's RESPONSE command is configured to Continue Operating without Interruption.

PGOOD_OFF_DELAY and PGOOD_ON_DELAY are sensed and timed independently from each other. If PGOOD_ON_DELAY is less than PGOOD_OFF_DELAY and an unmasked fault or warning event lasts less than PGOOD_OFF_DELAY - PGOOD_ON_DELAY, Power Good will not be asserted low during the fault or warning events.