ZHCSFG4B July   2016  – November 2016 TPS546C23

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 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 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  2-Phase Application
      2. 7.3.2  Linear Regulators BP3 and BP6
      3. 7.3.3  Input Undervoltage Lockout (UVLO)
      4. 7.3.4  Turnon and Turnoff Delay and Sequencing
      5. 7.3.5  Voltage Reference
      6. 7.3.6  Differential Remote Sense and Compensation
      7. 7.3.7  Set Output Voltage and Adaptive Voltage Scaling (AVS)
        1. 7.3.7.1 VOUT_COMMAND
        2. 7.3.7.2 VREF_TRIM
        3. 7.3.7.3 MARGIN
      8. 7.3.8  Reset VOUT
      9. 7.3.9  Switching Frequency and Synchronization
        1. 7.3.9.1 Synchronization
          1. 7.3.9.1.1 Stand-Alone Device
          2. 7.3.9.1.2 Master-Slave Configuration
          3. 7.3.9.1.3 SYNC Fault
      10. 7.3.10 Current Sharing
      11. 7.3.11 Soft-Start Time and TON_RISE Command
      12. 7.3.12 Prebiased Output Start-Up
      13. 7.3.13 Soft-Stop time and TOFF_FALL Command
      14. 7.3.14 Output Current Telemetry and Low-Side MOSFET Overcurrent Protection
        1. 7.3.14.1 Output Current Telemetry
        2. 7.3.14.2 Low-Side MOSFET Overcurrent Protection
        3. 7.3.14.3 Negative Overcurrent Protection
      15. 7.3.15 High-Side MOSFET Short-Circuit Protection
      16. 7.3.16 Die Temperature Telemetry and Overtemperature Protection
      17. 7.3.17 Output Voltage Telemetry and Over-/Under-voltage Protection
        1. 7.3.17.1 Output Voltage Telemetry
        2. 7.3.17.2 Output Overvoltage and Undervoltage Protection
      18. 7.3.18 TON_MAX Fault
      19. 7.3.19 Power Good (PGOOD) Indicator
      20. 7.3.20 Fault Protection Responses
      21. 7.3.21 Switching Node
      22. 7.3.22 PMBus General Description
      23. 7.3.23 PMBus Address
      24. 7.3.24 PMBus Connections
      25. 7.3.25 Auto ARA (Alert Response Address) Response
    4. 7.4 Device Functional Modes
      1. 7.4.1 Continuous Conduction Mode
      2. 7.4.2 Operation with CNTL Signal Control
      3. 7.4.3 Operation with OPERATION Control
      4. 7.4.4 Operation with CNTL and OPERATION Control
    5. 7.5 Programming
      1. 7.5.1 Supported PMBus Commands
    6. 7.6 Register Maps
      1. 7.6.1  OPERATION (01h)
        1. 7.6.1.1 On Bit
        2. 7.6.1.2 Off Bit
        3. 7.6.1.3 Margin Bit
      2. 7.6.2  ON_OFF_CONFIG (02h)
        1. 7.6.2.1 pu Bit
        2. 7.6.2.2 cmd Bit
        3. 7.6.2.3 cpr Bit
        4. 7.6.2.4 pol Bit
        5. 7.6.2.5 cpa Bit
      3. 7.6.3  CLEAR_FAULTS (03h)
      4. 7.6.4  WRITE_PROTECT (10h)
        1. 7.6.4.1 bit5
        2. 7.6.4.2 bit6
        3. 7.6.4.3 bit7
      5. 7.6.5  STORE_DEFAULT_ALL (11h)
      6. 7.6.6  RESTORE_DEFAULT_ALL (12h)
      7. 7.6.7  STORE_USER_ALL (11h)
      8. 7.6.8  RESTORE_USER_ALL (12h)
      9. 7.6.9  CAPABILITY (19h)
      10. 7.6.10 SMBALERT_MASK (1Bh)
      11. 7.6.11 VOUT_MODE (20h)
        1. 7.6.11.1 Mode Bit
        2. 7.6.11.2 Exponent Bit
      12. 7.6.12 VOUT_COMMAND (21h)
        1. 7.6.12.1 Exponent
        2. 7.6.12.2 Mantissa
      13. 7.6.13 VOUT_MAX (24h)
        1. 7.6.13.1 Exponent
        2. 7.6.13.2 Mantissa
      14. 7.6.14 VOUT_TRANSITION_RATE (27h)
        1. 7.6.14.1 Exponent
        2. 7.6.14.2 Mantissa
      15. 7.6.15 VOUT_SCALE_LOOP (29h)
        1. 7.6.15.1 Exponent
        2. 7.6.15.2 Mantissa
      16. 7.6.16 VOUT_MIN (2Bh)
        1. 7.6.16.1 Exponent
        2. 7.6.16.2 Mantissa
      17. 7.6.17 VIN_ON (35h)
        1. 7.6.17.1 Exponent
        2. 7.6.17.2 Mantissa
      18. 7.6.18 VIN_OFF (36h)
        1. 7.6.18.1 Exponent
        2. 7.6.18.2 Mantissa
      19. 7.6.19 IOUT_CAL_OFFSET (39h)
        1. 7.6.19.1 Exponent
        2. 7.6.19.2 Mantissa
      20. 7.6.20 VOUT_OV_FAULT_RESPONSE (41h)
        1. 7.6.20.1 RSP[1] Bit
        2. 7.6.20.2 RS[2:0] Bits
        3. 7.6.20.3 TD[2:0] Bits
      21. 7.6.21 VOUT_UV_FAULT_RESPONSE (45h)
        1. 7.6.21.1 RSP[1] Bit
        2. 7.6.21.2 RS[2:0] Bits
        3. 7.6.21.3 TD[2:0] Bits
      22. 7.6.22 IOUT_OC_FAULT_LIMIT (46h)
        1. 7.6.22.1 Exponent
        2. 7.6.22.2 Mantissa
      23. 7.6.23 IOUT_OC_FAULT_RESPONSE (47h)
        1. 7.6.23.1 RSP[1:0] Bits
        2. 7.6.23.2 RS[2:0] Bits
        3. 7.6.23.3 TD[2:0] Bits
      24. 7.6.24 IOUT_OC_WARN_LIMIT (4Ah)
        1. 7.6.24.1 Exponent
        2. 7.6.24.2 Mantissa
      25. 7.6.25 OT_FAULT_LIMIT (4Fh)
        1. 7.6.25.1 Exponent
        2. 7.6.25.2 Mantissa
      26. 7.6.26 OT_FAULT_RESPONSE (50h)
        1. 7.6.26.1 RSP[1] Bit
        2. 7.6.26.2 RS[2:0] Bits
        3. 7.6.26.3 TD[2:0] Bits
      27. 7.6.27 OT_WARN_LIMIT (51h)
        1. 7.6.27.1 Exponent
        2. 7.6.27.2 Mantissa
      28. 7.6.28 TON_DELAY (60h)
        1. 7.6.28.1 Exponent
        2. 7.6.28.2 Mantissa
      29. 7.6.29 TON_RISE (61h)
        1. 7.6.29.1 Exponent
        2. 7.6.29.2 Mantissa
      30. 7.6.30 TON_MAX_FAULT_LIMIT (62h)
        1. 7.6.30.1 Exponent
        2. 7.6.30.2 Mantissa
      31. 7.6.31 TON_MAX_FAULT_RESPONSE (63h)
        1. 7.6.31.1 RSP[1] Bit
        2. 7.6.31.2 RS[2:0] Bits
        3. 7.6.31.3 TD[2:0] Bits
      32. 7.6.32 TOFF_DELAY (64h)
        1. 7.6.32.1 Exponent
        2. 7.6.32.2 Mantissa
      33. 7.6.33 TOFF_FALL (65h)
        1. 7.6.33.1 Exponent
        2. 7.6.33.2 Mantissa
      34. 7.6.34 STATUS_BYTE (78h)
      35. 7.6.35 STATUS_WORD (79h)
      36. 7.6.36 STATUS_VOUT (7Ah)
      37. 7.6.37 STATUS_IOUT (7Bh)
      38. 7.6.38 STATUS_INPUT (7Ch)
      39. 7.6.39 STATUS_TEMPERATURE (7Dh)
      40. 7.6.40 STATUS_CML (7Eh)
      41. 7.6.41 STATUS_MFR_SPECIFIC (80h)
      42. 7.6.42 READ_VOUT (8Bh)
        1. 7.6.42.1 Exponent
        2. 7.6.42.2 Mantissa
      43. 7.6.43 READ_IOUT (8Ch)
        1. 7.6.43.1 Exponent
        2. 7.6.43.2 Mantissa
      44. 7.6.44 READ_TEMPERATURE_1 (8Dh)
        1. 7.6.44.1 Exponent
        2. 7.6.44.2 Mantissa
      45. 7.6.45 PMBUS_REVISION (98h)
      46. 7.6.46 IC_DEVICE_ID (ADh)
      47. 7.6.47 IC_DEVICE_REV (AEh)
      48. 7.6.48 MFR_SPECIFIC_00 (D0h)
      49. 7.6.49 VREF_TRIM (MFR_SPECIFIC_04) (D4h)
      50. 7.6.50 STEP_VREF_MARGIN_HIGH (MFR_SPECIFIC_05) (D5h)
      51. 7.6.51 STEP_VREF_MARGIN_LOW (MFR_SPECIFIC_06) (D6h)
      52. 7.6.52 PCT_OV_UV_WRN_FLT_LIMITS (MFR_SPECIFIC_07) (D7h)
      53. 7.6.53 OPTIONS (MFR_SPECIFIC_21) (E5h)
        1. 7.6.53.1  DIS_NEGILIM Bit
        2. 7.6.53.2  EN_RESET_B Bit
        3. 7.6.53.3  EN_ADC_CNTL Bit
        4. 7.6.53.4  VSM Bit
        5. 7.6.53.5  DLO Bit
        6. 7.6.53.6  AVG_PROG[1:0] Bits
        7. 7.6.53.7  EN_AUTO_ARA Bit
        8. 7.6.53.8  READ_VOUT_RANGE[1:0] Bits
        9. 7.6.53.9  RST_VOUT_oSD Bit
        10. 7.6.53.10 RSMLO_VAL Bit
        11. 7.6.53.11 RSMHI_VAL Bit
      54. 7.6.54 MISC_CONFIG_OPTIONS (MFR_SPECIFIC_32) (F0h)
        1. 7.6.54.1 OV_RESP_SEL Bit
        2. 7.6.54.2 HSOC_USER_TRIM[1:0] Bits
        3. 7.6.54.3 EN_AVS_USER Bit
        4. 7.6.54.4 FORCE_SYNC_OUT Bit
        5. 7.6.54.5 FORCE_SYNC_IN Bit
        6. 7.6.54.6 SYNC_FAULT_DIS Bit
  8. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 4.5-V to 18-V Input, 1-V Typical Output, 35-A Converter
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1  Switching Frequency Selection
          2. 8.2.1.2.2  Inductor Selection
          3. 8.2.1.2.3  Output Capacitor Selection
          4. 8.2.1.2.4  Output Voltage Deviation During Load Transient
          5. 8.2.1.2.5  Output Voltage Ripple
          6. 8.2.1.2.6  Input Capacitor Selection
          7. 8.2.1.2.7  AVIN, BP6, BP3 Bypass Capacitor
          8. 8.2.1.2.8  Bootstrap Capacitor Selection
          9. 8.2.1.2.9  R-C Snubber
          10. 8.2.1.2.10 Output Voltage Setting and Frequency Compensation Selection
          11. 8.2.1.2.11 Key PMBus Parameter Selection
          12. 8.2.1.2.12 Enable, UVLO
          13. 8.2.1.2.13 Soft-Start Time
          14. 8.2.1.2.14 Overcurrent Threshold and Response
        3. 8.2.1.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Mounting and Thermal Profile Recommendation
  11. 11器件和文档支持
    1. 11.1 开发支持
      1. 11.1.1 米6体育平台手机版_好二三四 (TI) Fusion Digital Power Designer
      2. 11.1.2 WEBENCH® 工具
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 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 (August 2016) to B Revision

  • Changed 简化应用 原理图 – 显示 ADDR0 和 ADDR1 引脚 Go
  • Changed "VSEL" to "ADDR1", and "SS" to "ADDR0" in the Absolute Maximum Ratings tableGo
  • Deleted "FB" from the Input voltage VSEL, SS row of the Absolute Maximum Ratings table, and added "FB" to the SYNC, RESET/PGD rowGo
  • Added MIOUT(acc) spec for ambient tempGo
  • Changed Figure 23 by adding bus-sharing connectionsGo
  • Deleted "Read only " from the Default Behavior column of Table 4 for CMD Codes 78h through 80hGo

Changes from * Revision (July 2016) to A Revision

  • Changed 器件状态“米6体育平台手机版_好二三四预览”至“量产数据”Go
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