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

11 器件和文档支持

11.1 器件支持

11.1.1 Third-Party Products Disclaimer

TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.

11.1.2 开发支持

如需 Power Stage Designer 工具，请访问 www.ti.com/tool/powerstage-designer。

11.2 文档支持

11.2.1 相关文档

相关文档如下：

  • 《CSD95372BQ5MC 同步降压 NexFET™ 智能功率级》（文献编号：SLPS417）

11.3 接收文档更新通知

要接收文档更新通知，请转至 TI.com 上的器件米6体育平台手机版_好二三四文件夹。单击右上角的通知我 进行注册，即可每周接收米6体育平台手机版_好二三四信息更改摘要。有关更改的详细信息，请查看任何已修订文档中包含的修订历史记录。

11.4 社区资源

下列链接提供到 TI 社区资源的连接。链接的内容由各个分销商“按照原样”提供。这些内容并不构成 TI 技术规范，并且不一定反映 TI 的观点；请参阅 TI 的 《使用条款》。

    TI E2E™ 在线社区 TI 的工程师对工程师 (E2E) 社区。此社区的创建目的在于促进工程师之间的协作。在 e2e.ti.com 中，您可以咨询问题、分享知识、拓展思路并与同行工程师一道帮助解决问题。
    设计支持 TI 参考设计支持 可帮助您快速查找有帮助的 E2E 论坛、设计支持工具以及技术支持的联系信息。

11.5 商标

E2E is a trademark of Texas Instruments.

PMBus is a trademark of SMIF, Inc.

DCAP+, NexFET, AutoBalance, PowerPAD are trademarks of TI.

11.6 静电放电警告

esds-image

这些装置包含有限的内置 ESD 保护。 存储或装卸时，应将导线一起截短或将装置放置于导电泡棉中，以防止 MOS 门极遭受静电损伤。

11.7 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.
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