ZHCSDV0B June   2015  – February 2017 TPS53647

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I/O Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  V3R3 LDO
      2. 7.3.2  PWM Operation
      3. 7.3.3  Current Sense and IMON Calculation
      4. 7.3.4  Setting the Load-Line (DROOP)
      5. 7.3.5  Load Transitions
      6. 7.3.6  Overshoot Reduction (OSR)
      7. 7.3.7  Undershoot Reduction (USR)
      8. 7.3.8  AutoBalance™ Current Sharing
      9. 7.3.9  Phase Overlap
      10. 7.3.10 VID
      11. 7.3.11 PWM and SKIP Signals
      12. 7.3.12 TSEN (Thermal Sense) Pin
      13. 7.3.13 RESET Function
      14. 7.3.14 Input UVLO
      15. 7.3.15 V5 Pin Undervoltage Lockout (UVLO)
      16. 7.3.16 Output Undervoltage Protection (UVP)
      17. 7.3.17 Overvoltage Protection (OVP)
      18. 7.3.18 Overcurrent Limit (OCL) and Overcurrent Protection (OCP)
      19. 7.3.19 Over Temperature Protection (OTP)
      20. 7.3.20 VR_HOT and VR_FAULT Indication
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 User Selections
        1. 7.5.1.1  Switching Frequency
        2. 7.5.1.2  IMAX Information
        3. 7.5.1.3  Boot Voltage
        4. 7.5.1.4  Per-Phase Overcurrent Limit (OCL) Level
        5. 7.5.1.5  Overshoot Reduction (OSR) and Undershoot Reduction (USR) Levels
        6. 7.5.1.6  Slew Rate Selection
        7. 7.5.1.7  Mode Selections
        8. 7.5.1.8  Soft Start Slew Rate and PMBus Addresses
        9. 7.5.1.9  Ramp Selection
        10. 7.5.1.10 Maximum Active Phase Numbers
        11. 7.5.1.11 Pinstrap Mode Settings
        12. 7.5.1.12 NVM Default Settings
        13. 7.5.1.13 4-Phase Application
      2. 7.5.2 Supported Protections and Fault Reports
      3. 7.5.3 Supported PMBus Address and Commands Summary
        1. 7.5.3.1 Address Selection
        2. 7.5.3.2 Commands Summary
    6. 7.6 Register Maps
      1. 7.6.1 PMBus Description
        1. 7.6.1.1 PMBus General
        2. 7.6.1.2 PMBus Connections
        3. 7.6.1.3 Supported Data Formats
        4. 7.6.1.4 PMBus Command Format
      2. 7.6.2 PMBus Functionality
        1. 7.6.2.1 PMBus Address
        2. 7.6.2.2 Pin Strap Settings
        3. 7.6.2.3 Supported PMBus Commands
          1. 7.6.2.3.1  OPERATION (01h)
          2. 7.6.2.3.2  ON_OFF_CONFIG (02h)
          3. 7.6.2.3.3  CLEAR_FAULTS (03h)
          4. 7.6.2.3.4  WRITE_PROTECT (10h)
          5. 7.6.2.3.5  STORE_DEFAULT_ALL (11h)
          6. 7.6.2.3.6  RESTORE_DEFAULT_ALL (12h)
          7. 7.6.2.3.7  CAPABILITY (19h)
          8. 7.6.2.3.8  VOUT_MODE (20h)
          9. 7.6.2.3.9  VOUT_COMMAND (21h)
          10. 7.6.2.3.10 VOUT_MAX (24h)
          11. 7.6.2.3.11 VOUT_MARGIN_HIGH (25h)
          12. 7.6.2.3.12 VOUT_MARGIN_LOW (26h)
          13. 7.6.2.3.13 IOUT_CAL_OFFSET (39h)
          14. 7.6.2.3.14 VOUT_OV_FAULT_RESPONSE (41h)
          15. 7.6.2.3.15 VOUT_UV_FAULT_RESPONSE (45h)
          16. 7.6.2.3.16 IOUT_OC_FAULT_LIMIT (46h)
          17. 7.6.2.3.17 IOUT_OC_FAULT_RESPONSE (47h)
          18. 7.6.2.3.18 IOUT_OC_WARN_LIMIT (4Ah)
          19. 7.6.2.3.19 OT_FAULT_LIMIT (4Fh)
          20. 7.6.2.3.20 OT_FAULT_RESPONSE (50h)
          21. 7.6.2.3.21 OT_WARN_LIMIT (51h)
          22. 7.6.2.3.22 VIN_OV_FAULT_LIMIT (55h)
          23. 7.6.2.3.23 IIN_OC_FAULT_LIMIT (5Bh)
          24. 7.6.2.3.24 IIN_OC_FAULT_RESPONSE (5Ch)
          25. 7.6.2.3.25 IIN_OC_WARN_LIMIT (5Dh)
          26. 7.6.2.3.26 STATUS_BYTE (78h)
          27. 7.6.2.3.27 STATUS_WORD (79h)
          28. 7.6.2.3.28 STATUS_VOUT (7Ah)
          29. 7.6.2.3.29 STATUS_IOUT (7Bh)
          30. 7.6.2.3.30 STATUS_INPUT (7Ch)
          31. 7.6.2.3.31 STATUS_TEMPERATURE (7Dh)
          32. 7.6.2.3.32 STATUS_CML (7Eh)
          33. 7.6.2.3.33 STATUS_MFR_SPECIFIC (80h)
          34. 7.6.2.3.34 READ_VIN (88h)
          35. 7.6.2.3.35 READ_IIN (89h)
          36. 7.6.2.3.36 READ_VOUT (8Bh)
          37. 7.6.2.3.37 READ_IOUT (8Ch)
          38. 7.6.2.3.38 READ_TEMPERATURE_1 (8Dh)
          39. 7.6.2.3.39 READ_POUT (96h)
          40. 7.6.2.3.40 READ_PIN (97h)
          41. 7.6.2.3.41 PMBus_REVISION (98h)
          42. 7.6.2.3.42 MFR_ID (99h)
          43. 7.6.2.3.43 MFR_MODEL (9Ah)
          44. 7.6.2.3.44 MFR_REVISION (9Bh)
          45. 7.6.2.3.45 MFR_DATE (9Dh)
          46. 7.6.2.3.46 MFR_VOUT_MIN (A4h)
          47. 7.6.2.3.47 MFR_SPECIFIC_00 (Per-Phase Overcurrent Limit) (D0h)
          48. 7.6.2.3.48 MFR_SPECIFIC_01 (Telemetry Averaging Time) (D1h)
          49. 7.6.2.3.49 MFR_SPECIFIC_04 (Read VOUT) (D4h)
          50. 7.6.2.3.50 MFR_SPECIFIC_05 (VOUT Trim) (D5h)
          51. 7.6.2.3.51 MFR_SPECIFIC_07 (Additional Function Bits) (D7h)
          52. 7.6.2.3.52 MFR_SPECIFIC_08 (Droop) (D8h)
          53. 7.6.2.3.53 MFR_SPECIFIC_09 (OSR/USR) (D9h)
          54. 7.6.2.3.54 MFR_SPECIFIC_10 (Maximum Operating Current) (DAh)
          55. 7.6.2.3.55 MFR_SPECIFIC_11 (VBOOT) (DBh)
          56. 7.6.2.3.56 MFR_SPECIFIC_12 (Switching Frequency and TRISE) (DCh)
          57. 7.6.2.3.57 MFR_SPECIFIC_13 (Slew Rate and Other Operation Modes) (DDh)
          58. 7.6.2.3.58 MFR_SPECIFIC_14 (Ramp Height) (DEh)
          59. 7.6.2.3.59 MFR_SPECIFIC_15 (Dynamic Phase Shedding Thresholds) (DFh)
          60. 7.6.2.3.60 MFR_SPECIFIC_16 (VIN UVLO) (E0h)
          61. 7.6.2.3.61 MFR_SPECIFIC_20 (Maximum Operational Phase Number) (E4h)
          62. 7.6.2.3.62 MFR_SPECIFIC_22 ( VOUT_UV_FAULT_threshold) (E6h)
          63. 7.6.2.3.63 MFR_SPECIFIC_44 (DEVICE_CODE) (FCh)
  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  Select the Switching Frequency
        2. 8.2.2.2  Set the Maximum Output Current (IMAX)
        3. 8.2.2.3  Select the Soft-Start Slew Rate
        4. 8.2.2.4  Select the Operation Mode
        5. 8.2.2.5  Choose Inductor
        6. 8.2.2.6  Select the Per-Phase Valley Current Limit And Ramp Level
        7. 8.2.2.7  Set the Load-Line
        8. 8.2.2.8  Set the BOOT Voltage
        9. 8.2.2.9  Set OSR/USR Thresholds to Improve Load Transient Performance
        10. 8.2.2.10 Digital Current Monitor (IMON) Gain and Filter Setting
        11. 8.2.2.11 Compensation Design
        12. 8.2.2.12 Set PMBus Addresses
        13. 8.2.2.13 Programming the Device with the PMBus
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Schematic Review Checklist
      2. 10.1.2 PCB Design Guidelines
        1. 10.1.2.1 Layer Stack-up, 8-Layer PCB as example
        2. 10.1.2.2 Current Sensing Lines
        3. 10.1.2.3 Feedback Voltage Sensing Lines
        4. 10.1.2.4 PWM Lines
        5. 10.1.2.5 Power Chain Symmetry
        6. 10.1.2.6 Placing Analog Signal Components
        7. 10.1.2.7 Grounding Recommendations
        8. 10.1.2.8 TI Smart Power Stage CSD95372BQ5MC
          1. 10.1.2.8.1 Electrical Performance
          2. 10.1.2.8.2 Thermal Performance
          3. 10.1.2.8.3 Sensing Performance
        9. 10.1.2.9 Power Delivery and Power Density
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 开发支持
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
  12. 12机械、封装和可订购信息

封装选项

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

4 修订历史记录

Changes from A Revision (September 2016) to B Revision

  • Updated V3R3 LDO sectionGo
  • Added temperature default value VR_HOT and VR_FAULT Indication sectionGo
  • Corrected factory default value of VOUT_OV_FAULT_RESPONSE command in Table 7Go
  • Corrected factory default value of VIN_OV_FAULT_LIMIT command in Table 7Go
  • Corrected factory default value of MFR_ID command in Table 7Go
  • Corrected factory default value of MFR_SPECIFIC_44 command in Table 7Go

Changes from * Revision (June 2015) to A Revision

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