SLUSDP0A August   2019  – May 2021 TPS53676

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 ESD Ratings
    4. 6.4 Electrical Specifications
      1. 6.4.1  Thermal Information
      2. 6.4.2  Supply
      3. 6.4.3  DAC and Voltage Feedback
      4. 6.4.4  Control Loop Parameters
      5. 6.4.5  Dynamic VID (DVID) Tuning
      6. 6.4.6  Undershoot Reduction (USR) and Overshoot Reduciton (OSR)
      7. 6.4.7  Dynamic Phase Shedding (DPS)
      8. 6.4.8  Turbo Mode and Thermal Balance Management (TBM)
      9. 6.4.9  Overcurrent Limit (OCL)
      10. 6.4.10 Telemetry
      11. 6.4.11 Phase-Locked Loop and Closed-Loop Frequency Control
      12. 6.4.12 Logic Interface
      13. 6.4.13 Current Sensing and Current Sharing
      14. 6.4.14 Pin Detection Thresholds
      15. 6.4.15 ADDR Pinstrap Decoding
      16. 6.4.16 BOOT_CHA Pinstrap Decoding
      17. 6.4.17 Timing Specifications
      18. 6.4.18 Faults and Converter Protection
      19. 6.4.19 PMBus/AVS Interfaces
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Power-up and initialization
      1. 7.3.1 First power-up
      2. 7.3.2 Boot voltage configuration (BOOT_CHA)
      3. 7.3.3 Power Sequencing
    4. 7.4 Pin connections and bevahior
      1. 7.4.1  Supplies: VCC and VREF
      2. 7.4.2  Differential remote sensing and output voltage scaling: AVSP/AVSN, BVSP/BVSN
      3. 7.4.3  Input current sensing: VIN_CSNIN and CSPIN
      4. 7.4.4  Pin-strap detection and PIN_DETECT_OVERRIDE
      5. 7.4.5  Enable and disable: AVR_EN and BVR_EN
      6. 7.4.6  System feedback: AVR_RDY and BVR_RDY
      7. 7.4.7  Catastrophic fault alert: VR_FAULT#
      8. 7.4.8  Output voltage reset: RESET#
      9. 7.4.9  Synchronization: SYNC
      10. 7.4.10 Smart power stage connections: PWM, CSP and TSEN
      11. 7.4.11 PMBus pins: SMB_DIO, SMB_CLK, and SMB_ALERT#
      12. 7.4.12 AVSBus: AVS_CLK, AVS_MDATA, AVS_SDATA, and AVS_VDDIO
    5. 7.5 Advanced power management functions
      1. 7.5.1 Adaptive voltage scaling or dynamic VID (DVID)
      2. 7.5.2 Output voltage margining
      3. 7.5.3 Power supply telemetry and calibration
        1. 7.5.3.1 Output current calibration
        2. 7.5.3.2 Input current calibration (measured)
        3. 7.5.3.3 Input current calibration (calculated)
      4. 7.5.4 Flexible phase assignment
      5. 7.5.5 Thermal balance management (TBM)
      6. 7.5.6 Dynamic phase adding/shedding (DPA/DPS)
    6. 7.6 Control Loop Theory of Operation
      1. 7.6.1 Adaptive voltage positioning and DC load line (droop)
      2. 7.6.2 DCAP+ conceptual overview
      3. 7.6.3 Off-time control: loop compensation and transient tuning
      4. 7.6.4 On-time control: adaptive ton and autobalance current sharing
      5. 7.6.5 Load transient response
      6. 7.6.6 Forced minimum on-time, minimum off-time and leading-edge blanking time
      7. 7.6.7 Nonlinear: undershoot reduction (USR), overshoot reduction (OSR) and dynamic integration
    7. 7.7 Power supply fault protection
      1. 7.7.1 Host notification and status reporting
      2. 7.7.2 Fault type and response definitions
      3. 7.7.3 Fault behavior summary
      4. 7.7.4 Detailed fault descriptions
        1. 7.7.4.1  Overvoltage fault (OVF) and warning (OVW)
        2. 7.7.4.2  Undervoltage fault (UVF) and warning (UVW)
        3. 7.7.4.3  Maximum turn-on time exceeded (TON_MAX)
        4. 7.7.4.4  Output commanded out-of-bounds (VOUT_MIN_MAX)
        5. 7.7.4.5  Overcurrent fault (OCF), warning (OCW), and per-phase overcurrent limit (OCL)
        6. 7.7.4.6  Current share warning (ISHARE)
        7. 7.7.4.7  Overtemperature fault protection (OTF) and warning (OTW)
        8. 7.7.4.8  Powerstage fault (TAO_HIGH) and powerstage not ready (TAO_LOW)
        9. 7.7.4.9  Input overvoltage fault (VIN_OVF) and warning (VIN_OVW)
        10. 7.7.4.10 Input undervoltage fault (VIN_UVF), warning (VIN_UVW) and turn-on voltage (VIN_ON)
        11. 7.7.4.11 Input overcurrent fault (IIN_OCF) and warning (IIN_OCW)
        12. 7.7.4.12 Input overpower warning (PIN_OPW)
        13. 7.7.4.13 PMBus command, memory and logic errors (CML)
    8. 7.8 Programming
      1. 7.8.1 PMBus Interface
        1. 7.8.1.1 PMBus transaction types
        2. 7.8.1.2 PMBus data formats
          1. 7.8.1.2.1 Example PMBus number format conversions
          2. 7.8.1.2.2 Example system code for PMBus format conversion
        3. 7.8.1.3 Raw non-volatile memory programming
        4.       93
        5. 7.8.1.4 PMBus Command Descriptions
          1. 7.8.1.4.1   (00h) PAGE
          2. 7.8.1.4.2   (01h) OPERATION
          3. 7.8.1.4.3   (02h) ON_OFF_CONFIG
          4. 7.8.1.4.4   (03h) CLEAR_FAULTS
          5. 7.8.1.4.5   (04h) PHASE
          6. 7.8.1.4.6   (05h) PAGE_PLUS_WRITE
          7. 7.8.1.4.7   (06h) PAGE_PLUS_READ
          8. 7.8.1.4.8   (10h) WRITE_PROTECT
          9. 7.8.1.4.9   (15h) STORE_USER_ALL
          10. 7.8.1.4.10  (16h) RESTORE_USER_ALL
          11. 7.8.1.4.11  (19h) CAPABILITY
          12. 7.8.1.4.12  (1Bh) SMBALERT_MASK_WORD
          13. 7.8.1.4.13  (1Bh) SMBALERT_MASK_VOUT
          14. 7.8.1.4.14  (1Bh) SMBALERT_MASK_IOUT
          15. 7.8.1.4.15  (1Bh) SMBALERT_MASK_INPUT
          16. 7.8.1.4.16  (1Bh) SMBALERT_MASK_TEMPERATURE
          17. 7.8.1.4.17  (1Bh) SMBALERT_MASK_CML
          18. 7.8.1.4.18  (1Bh) SMBALERT_MASK_MFR
          19. 7.8.1.4.19  (20h) VOUT_MODE
          20. 7.8.1.4.20  (21h) VOUT_COMMAND
          21. 7.8.1.4.21  (22h) VOUT_TRIM
          22. 7.8.1.4.22  (24h) VOUT_MAX
          23. 7.8.1.4.23  (25h) VOUT_MARGIN_HIGH
          24. 7.8.1.4.24  (26h) VOUT_MARGIN_LOW
          25. 7.8.1.4.25  (27h) VOUT_TRANSITION_RATE
          26. 7.8.1.4.26  (28h) VOUT_DROOP
          27. 7.8.1.4.27  (29h) VOUT_SCALE_LOOP
          28. 7.8.1.4.28  (2Bh) VOUT_MIN
          29. 7.8.1.4.29  (33h) FREQUENCY_SWITCH
          30. 7.8.1.4.30  (34h) POWER_MODE
          31. 7.8.1.4.31  (35h) VIN_ON
          32. 7.8.1.4.32  (38h) IOUT_CAL_GAIN
          33. 7.8.1.4.33  (39h) IOUT_CAL_OFFSET
          34. 7.8.1.4.34  (40h) VOUT_OV_FAULT_LIMIT
          35. 7.8.1.4.35  (41h) VOUT_OV_FAULT_RESPONSE
          36. 7.8.1.4.36  (42h) VOUT_OV_WARN_LIMIT
          37. 7.8.1.4.37  (43h) VOUT_UV_WARN_LIMIT
          38. 7.8.1.4.38  (44h) VOUT_UV_FAULT_LIMIT
          39. 7.8.1.4.39  (45h) VOUT_UV_FAULT_RESPONSE
          40. 7.8.1.4.40  (46h) IOUT_OC_FAULT_LIMIT
          41. 7.8.1.4.41  (47h) IOUT_OC_FAULT_RESPONSE
          42. 7.8.1.4.42  (4Ah) IOUT_OC_WARN_LIMIT
          43. 7.8.1.4.43  (4Fh) OT_FAULT_LIMIT
          44. 7.8.1.4.44  (50h) OT_FAULT_RESPONSE
          45. 7.8.1.4.45  (51h) OT_WARN_LIMIT
          46. 7.8.1.4.46  (55h) VIN_OV_FAULT_LIMIT
          47. 7.8.1.4.47  (56h) VIN_OV_FAULT_RESPONSE
          48. 7.8.1.4.48  (57h) VIN_OV_WARN_LIMIT
          49. 7.8.1.4.49  (58h) VIN_UV_WARN_LIMIT
          50. 7.8.1.4.50  (59h) VIN_UV_FAULT_LIMIT
          51. 7.8.1.4.51  (5Ah) VIN_UV_FAULT_RESPONSE
          52. 7.8.1.4.52  (5Bh) IIN_OC_FAULT_LIMIT
          53. 7.8.1.4.53  (5Ch) IIN_OC_FAULT_RESPONSE
          54. 7.8.1.4.54  (5Dh) IIN_OC_WARN_LIMIT
          55. 7.8.1.4.55  (60h) TON_DELAY
          56. 7.8.1.4.56  (61h) TON_RISE
          57. 7.8.1.4.57  (62h) TON_MAX_FAULT_LIMIT
          58. 7.8.1.4.58  (63h) TON_MAX_FAULT_RESPONSE
          59. 7.8.1.4.59  (64h) TOFF_DELAY
          60. 7.8.1.4.60  (65h) TOFF_FALL
          61. 7.8.1.4.61  (6Bh) PIN_OP_WARN_LIMIT
          62. 7.8.1.4.62  (78h) STATUS_BYTE
          63. 7.8.1.4.63  (79h) STATUS_WORD
          64. 7.8.1.4.64  (7Ah) STATUS_VOUT
          65. 7.8.1.4.65  (7Bh) STATUS_IOUT
          66. 7.8.1.4.66  (7Ch) STATUS_INPUT
          67. 7.8.1.4.67  (7Dh) STATUS_TEMPERATURE
          68. 7.8.1.4.68  (7Eh) STATUS_CML
          69. 7.8.1.4.69  (80h) STATUS_MFR_SPECIFIC
          70. 7.8.1.4.70  (88h) READ_VIN
          71. 7.8.1.4.71  (89h) READ_IIN
          72. 7.8.1.4.72  (8Bh) READ_VOUT
          73. 7.8.1.4.73  (8Ch) READ_IOUT
          74. 7.8.1.4.74  (8Dh) READ_TEMPERATURE_1
          75. 7.8.1.4.75  (96h) READ_POUT
          76. 7.8.1.4.76  (97h) READ_PIN
          77. 7.8.1.4.77  (98h) PMBUS_REVISION
          78. 7.8.1.4.78  (99h) MFR_ID
          79. 7.8.1.4.79  (9Ah) MFR_MODEL
          80. 7.8.1.4.80  (9Bh) MFR_REVISION
          81. 7.8.1.4.81  (9Dh) MFR_DATE
          82. 7.8.1.4.82  (ADh) IC_DEVICE_ID
          83. 7.8.1.4.83  (AEh) IC_DEVICE_REV
          84. 7.8.1.4.84  (B1h) USER_DATA_01 (COMPENSATION_CONFIG)
          85. 7.8.1.4.85  (B2h) USER_DATA_02 (NONLINEAR_CONFIG)
          86. 7.8.1.4.86  (B3h) USER_DATA_03 (PHASE_CONFIG)
          87. 7.8.1.4.87  (B4h) USER_DATA_04 (DVID_CONFIG)
          88. 7.8.1.4.88  (B7h) USER_DATA_07 (PHASE_SHED_CONFIG)
          89. 7.8.1.4.89  (B8h) USER_DATA_08 (AVSBUS_CONFIG)
          90. 7.8.1.4.90  (BAh) USER_DATA_10 (ISHARE_CONFIG)
          91. 7.8.1.4.91  (BBh) USER_DATA_11 (MFR_PROTECTION_CONFIG)
          92. 7.8.1.4.92  (BDh) USER_DATA_13 (MFR_CALIBRATION_CONFIG)
          93. 7.8.1.4.93  (CDh) MFR_SPECIFIC_CD (MULTIFUNCTION_PIN_CONFIG_1)
          94. 7.8.1.4.94  (CEh) MFR_SPECIFIC_CD (MULTIFUNCTION_PIN_CONFIG_2)
          95. 7.8.1.4.95  (CFh) SMBALERT_MASK_EXTENDED
          96. 7.8.1.4.96  (D1h) READ_VOUT_MIN_MAX
          97. 7.8.1.4.97  (D2h) READ_IOUT_MIN_MAX
          98. 7.8.1.4.98  (D3h) READ_TEMPERATURE_MIN_MAX)
          99. 7.8.1.4.99  (D4h) READ_MFR_VOUT
          100. 7.8.1.4.100 (D5h) READ_VIN_MIN_MAX
          101. 7.8.1.4.101 (D6h) READ_IIN_MIN_MAX
          102. 7.8.1.4.102 (D7h) READ_PIN_MIN_MAX
          103. 7.8.1.4.103 (D8h) READ_POUT_MIN_MAX
          104. 7.8.1.4.104 (DAh) READ_ALL
          105. 7.8.1.4.105 (DBh) STATUS_ALL
          106. 7.8.1.4.106 (DCh) STATUS_PHASES
          107. 7.8.1.4.107 (DDh) STATUS_EXTENDED
          108. 7.8.1.4.108 (E0h) AVSBUS_LOG
          109. 7.8.1.4.109 (E3h) MFR_SPECIFIC_E3 (VR_FAULT_CONFIG)
          110. 7.8.1.4.110 (E4h) SYNC_CONFIG
          111. 7.8.1.4.111 (EDh) MFR_SPECIFIC_ED (MISC_OPTIONS)
          112. 7.8.1.4.112 (EEh) MFR_SPECIFIC_EE (PIN_DETECT_OVERRIDE)
          113. 7.8.1.4.113 (EFh) MFR_SPECIFIC_EF (SLAVE_ADDRESS)
          114. 7.8.1.4.114 (F0h) MFR_SPECIFIC_F0 (NVM_CHECKSUM)
          115. 7.8.1.4.115 (F5h) MFR_SPECIFIC_F5 (USER_NVM_INDEX)
          116. 7.8.1.4.116 (F6h) MFR_SPECIFIC_F6 (USER_NVM_EXECUTE)
          117. 7.8.1.4.117 (FAh) NVM_LOCK
          118. 7.8.1.4.118 (FBh) MFR_SPECIFIC_WRITE_PROTECT
      2. 7.8.2 AVSBus Interface
        1. 7.8.2.1 AVSBus transaction types
        2. 7.8.2.2 Example AVSBus Frames
        3. 7.8.2.3 Example AVSBus number format conversions
        4. 7.8.2.4 AVSBus fault and warning behavior
        5. 7.8.2.5 AVSBus Command Descriptions
          1. 7.8.2.5.1 (0h) AVSBus Output Voltage
          2. 7.8.2.5.2 (1h) AVSBus Transition Rate
          3. 7.8.2.5.3 (2h) AVSBus Output Current
          4. 7.8.2.5.4 (3h) AVSBus Temperature
          5. 7.8.2.5.5 (4h) AVSBus Reset Voltage
          6. 7.8.2.5.6 (5h) AVSBus Power Mode
          7. 7.8.2.5.7 (Eh) AVSBus Status
          8. 7.8.2.5.8 (Fh) AVSBus Version
  8. Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Schematic
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
      4. 8.2.4 Application Performance Plots
  9. Power Supply Recommendations
  10. 10Layout
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  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

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Undershoot Reduction (USR) and Overshoot Reduciton (OSR)

VCC = 3.3 V, CSPIN = VIN_CSNIN = 12 V, TJ = -40 to 125 ℃ unless otherwise specified
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Multi-Level OSR and USR
VUSR1 USR Level 1 Voltage Setting (VDAC-VDROOP) USER_DATA_02[12:8] = 00010b 5 15 25 mV
USER_DATA_02[12:8] = 00011b 7.5 17.5 27.5 mV
USER_DATA_02[12:8] = 00100b 10 20 30 mV
USER_DATA_02[12:8] = 00101b 12.5 22.5 32.5 mV
USER_DATA_02[12:8] = 00110b 15 25 35 mV
USER_DATA_02[12:8] = 00111b 17.5 27.5 37.5 mV
USER_DATA_02[12:8] = 01000b 20 30 40 mV
USER_DATA_02[12:8] = 01001b 22.5 32.5 42.5 mV
USER_DATA_02[12:8] = 01010b 25 35 45 mV
USER_DATA_02[12:8] = 01011b 27.5 37.5 47.5 mV
USER_DATA_02[12:8] = 01100b 30 40 50 mV
USER_DATA_02[12:8] = 01101b 32.5 42.5 52.5 mV
USER_DATA_02[12:8] = 01110b 35 45 55 mV
USER_DATA_02[12:8] = 01111b 37.5 47.5 57.5 mV
USER_DATA_02[12:8] = 10000b 40 50 60 mV
USER_DATA_02[12:8] = 10001b 42.5 52.5 62.5 mV
USER_DATA_02[12:8] = 10010b 45 55 65 mV
USER_DATA_02[12:8] = 10011b 47.5 57.5 67.5 mV
USER_DATA_02[12:8] = 10100b 50 60 70 mV
USER_DATA_02[12:8] = 10101b 52.5 62.5 72.5 mV
USER_DATA_02[12:8] = 10110b 55 65 75 mV
USER_DATA_02[12:8] = 10111b 57.5 67.5 77.5 mV
USER_DATA_02[12:8] = 11000b 60 70 80 mV
USER_DATA_02[12:8] = 11001b (1) 62.5 72.5 82.5 mV
USER_DATA_02[12:8] = other (1) Disabled
VUSR2 USR Level 2 Voltage Setting (VDAC-VDROOP) USER_DATA_02[36:32] = 00000b 5 15 25 mV
USER_DATA_02[36:32] = 00001b 7.5 17.5 27.5 mV
USER_DATA_02[36:32] = 00010b 10 20 30 mV
USER_DATA_02[36:32] = 00011b 12.5 22.5 32.5 mV
USER_DATA_02[36:32] = 00100b 15 25 35 mV
USER_DATA_02[36:32] = 00101b 17.5 27.5 37.5 mV
USER_DATA_02[36:32] = 00110b 20 30 40 mV
USER_DATA_02[36:32] = 00111b 22.5 32.5 42.5 mV
USER_DATA_02[36:32] = 01000b 25 35 45 mV
USER_DATA_02[36:32] = 01001b 27.5 37.5 47.5 mV
USER_DATA_02[36:32] = 01010b 30 40 50 mV
USER_DATA_02[36:32] = 01011b 32.5 42.5 52.5 mV
USER_DATA_02[36:32] = 01100b 35 45 55 mV
USER_DATA_02[36:32] = 01101b 37.5 47.5 57.5 mV
USER_DATA_02[36:32] = 01110b 40 50 60 mV
USER_DATA_02[36:32] = 01111b 42.5 52.5 62.5 mV
USER_DATA_02[36:32] = 10000b 45 55 65 mV
USER_DATA_02[36:32] = 10001b 47.5 57.5 67.5 mV
USER_DATA_02[36:32] = 10010b 50 60 70 mV
USER_DATA_02[36:32] = 10011b 52.5 62.5 72.5 mV
USER_DATA_02[36:32] = 10100b 55 65 75 mV
USER_DATA_02[36:32] = 10101b 57.5 67.5 77.5 mV
USER_DATA_02[36:32] = 10110b 60 70 80 mV
USER_DATA_02[36:32] = 10111b 62.5 72.5 82.5 mV
USER_DATA_02[36:32] = 11000b 65 75 85 mV
USER_DATA_02[36:32] = 11001b (1) 67.5 77.5 87.5 mV
USER_DATA_02[36:32] = others (1) Disabled mV
PHUSR1 Maximum phase added in USR level 1 (1) USER_DATA_02[1:0] = 00b 3 phases
USER_DATA_02[1:0] = 01b 4 phases
USER_DATA_02[1:0] = 10b 5 phases
USER_DATA_02[1:0] = 11b All available phases
VOSR OSR Voltage Setting USER_DATA_02[19:16] = 0000b 8 20 32 mV
USER_DATA_02[19:16] = 0001b 18 30 42 mV
USER_DATA_02[19:16] = 0010b 28 40 52 mV
USER_DATA_02[19:16] = 0011b 38 50 62 mV
USER_DATA_02[19:16] = 0100b 48 60 72 mV
USER_DATA_02[19:16] = 0101b 58 70 82 mV
USER_DATA_02[19:16] = 0110b 68 80 92 mV
USER_DATA_02[19:16] = 0111b 78 90 102 mV
USER_DATA_02[19:16] = 1000b 88 100 112 mV
USER_DATA_02[19:16] = 1001b 98 110 122 mV
USER_DATA_02[19:16] = 1010b 108 120 132 mV
USER_DATA_02[19:16] = 1011b 118 130 142 mV
USER_DATA_02[19:16] = 1100b 128 140 152 mV
USER_DATA_02[19:16] = 1101b 138 150 162 mV
USER_DATA_02[19:16] = 1110b 148 160 172 mV
USER_DATA_02[19:16] = 1111b (1) Disabled
BBOSR OSR pulse truncation for 1ph (1) USER_DATA_02[7] = 0b Disable
USER_DATA_02[7] = 1b Enable
BBOSR OSR body braking for normal phases (1) USER_DATA_02[5] = 0b
and USER_DATA_02[7] = 0b
Disable
USER_DATA_02[5] = 1b
or USER_DATA_02[7] = 1b
Enable
TBOSR OSR body braking time durations (1) USER_DATA_02[4:2] = 000b 0.3 0.4 0.5 µs
USER_DATA_02[4:2] = 001b 0.4 0.5 0.6 µs
USER_DATA_02[4:2] = 010b 0.5 0.6 0.7 µs
USER_DATA_02[4:2] = 011b 0.8 0.9 1 µs
USER_DATA_02[4:2] = 100b 0.9 1 1.1 µs
USER_DATA_02[4:2] = 101b 1 1.1 1.2 µs
USER_DATA_02[4:2] = 110b 1.8 1.9 2 µs
USER_DATA_02[4:2] = 111b 1.9 2 2.1 µs
Specified by Design