ZHCS557J February   2010  – December 2015 LM25066

PRODUCTION DATA.  

1. 1 特性
2. 2 应用
3. 3 说明
4. 4 修订历史记录
5. 5 说明 （续）
6. 6 Pin Configuration and Functions
7. 7 Specifications
   1. 7.1 Absolute Maximum Ratings
   2. 7.2 ESD Ratings
   3. 7.3 Recommended Operating Conditions
   4. 7.4 Thermal Information
   5. 7.5 Electrical Characteristics
   6. 7.6 Timing Requirements
   7. 7.7 Switching Characteristics
   8. 7.8 Typical Characteristics
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1 Current Limit
      2. 8.3.2 Circuit Breaker
      3. 8.3.3 Power Limit
      4. 8.3.4 Undervoltage Lockout (UVLO)
      5. 8.3.5 Overvoltage Lockout (OVLO)
      6. 8.3.6 Power Good
      7. 8.3.7 VDD Sub-Regulator
      8. 8.3.8 Remote Temperature Sensing
      9. 8.3.9 Damaged MOSFET Detection
   4. 8.4 Device Functional Modes
      1. 8.4.1 Power Up Sequence
      2. 8.4.2 Gate Control
      3. 8.4.3 Fault Timer and Restart
      4. 8.4.4 Shutdown Control
      5. 8.4.5 Enabling/Disabling and Resetting
   5. 8.5 Register Maps
      1. 8.5.1 PMBus Command Support
         1. 8.5.1.1 Standard PMBus™ Commands
            1. 8.5.1.1.1  OPERATION (01h)
            2. 8.5.1.1.2  CLEAR_FAULTS (03h)
            3. 8.5.1.1.3  CAPABILITY (19h)
            4. 8.5.1.1.4  VOUT_UV_WARN_LIMIT (43h)
            5. 8.5.1.1.5  OT_FAULT_LIMIT (4Fh)
            6. 8.5.1.1.6  OT_WARN_LIMIT (51h)
            7. 8.5.1.1.7  VIN_OV_WARN_LIMIT (57h)
            8. 8.5.1.1.8  VIN_UV_WARN_LIMIT (58h)
            9. 8.5.1.1.9  STATUS_BYTE (78h)
            10. 8.5.1.1.10 STATUS_WORD (79h)
            11. 8.5.1.1.11 STATUS_VOUT (7Ah)
            12. 8.5.1.1.12 STATUS_INPUT (7Ch)
            13. 8.5.1.1.13 STATUS_TEMPERATURE (7Dh)
            14. 8.5.1.1.14 STATUS_CML (7Eh)
            15. 8.5.1.1.15 STATUS_MFR_SPECIFIC (80h)
            16. 8.5.1.1.16 READ_VIN (88h)
            17. 8.5.1.1.17 READ_VOUT (8Bh)
            18. 8.5.1.1.18 READ_TEMPERATURE_1 (8Dh)
            19. 8.5.1.1.19 MFR_ID (99h)
            20. 8.5.1.1.20 MFR_MODEL (9Ah)
            21. 8.5.1.1.21 MFR_REVISION (9Bh)
         2. 8.5.1.2 Manufacturer Specific PMBus™ Commands
            1. 8.5.1.2.1  MFR_SPECIFIC_00: READ_VAUX (D0h)
            2. 8.5.1.2.2  MFR_SPECIFIC_01: MFR_READ_IIN (D1h)
            3. 8.5.1.2.3  MFR_SPECIFIC_02: MFR_READ_PIN (D2h)
            4. 8.5.1.2.4  MFR_SPECIFIC_03: MFR_IN_OC_WARN_LIMIT (D3h)
            5. 8.5.1.2.5  MFR_SPECIFIC_04: MFR_PIN_OP_WARN_LIMIT (D4h)
            6. 8.5.1.2.6  MFR_SPECIFIC_05: READ_PIN_PEAK (D5h)
            7. 8.5.1.2.7  MFR_SPECIFIC_06: CLEAR_PIN_PEAK (D6h)
            8. 8.5.1.2.8  MFR_SPECIFIC_07: GATE_MASK (D7h)
            9. 8.5.1.2.9  MFR_SPECIFIC_08: ALERT_MASK (D8h)
            10. 8.5.1.2.10 MFR_SPECIFIC_09: DEVICE_SETUP (D9h)
            11. 8.5.1.2.11 MFR_SPECIFIC_10: BLOCK_READ (DAh)
            12. 8.5.1.2.12 MFR_SPECIFIC_11: SAMPLES_FOR_AVG (DBh)
            13. 8.5.1.2.13 MFR_SPECIFIC_12: READ_AVG_VIN (DCh)
            14. 8.5.1.2.14 MFR_SPECIFIC_13: READ_AVG_VOUT (DDh)
            15. 8.5.1.2.15 MFR_SPECIFIC_14: READ_AVG_IIN (DEh)
            16. 8.5.1.2.16 MFR_SPECIFIC_15: READ_AVG_PIN (DFh)
            17. 8.5.1.2.17 MFR_SPECIFIC_16: BLACK_BOX_READ (E0h)
            18. 8.5.1.2.18 MFR_SPECIFIC_17: READ_DIAGNOSTIC_WORD (E1h)
            19. 8.5.1.2.19 MFR_SPECIFIC_18: AVG_BLOCK_READ (E2h)
         3. 8.5.1.3 Reading and Writing Telemetry Data and Warning Thresholds
         4. 8.5.1.4 Determining Telemetry Coefficients Empirically With Linear Fit
         5. 8.5.1.5 Writing Telemetry Data
         6. 8.5.1.6 PMBus™ Address Lines (ADR0, ADR1, ADR2)
         7. 8.5.1.7 SMBA Response
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 12-V, 45-A PMBus Hotswap Design
         1. 9.2.1.1 Design Requirements
         2. 9.2.1.2 Detailed Design Procedure
            1. 9.2.1.2.1  Select RSNS and CL Setting
            2. 9.2.1.2.2  Selecting the Hotswap FETs
            3. 9.2.1.2.3  Select Power Limit
            4. 9.2.1.2.4  Set Fault Timer
            5. 9.2.1.2.5  Check MOSFET SOA
            6. 9.2.1.2.6  Switching to dV/dt based Start-up
            7. 9.2.1.2.7  Choosing the VOUT Slew Rate
            8. 9.2.1.2.8  Select Power Limit and Fault Timer
            9. 9.2.1.2.9  Set Undervoltage and Overvoltage Threshold
               1. 9.2.1.2.9.1 Option A
               2. 9.2.1.2.9.2 Option B
               3. 9.2.1.2.9.3 Option C
               4. 9.2.1.2.9.4 Option D
            10. 9.2.1.2.10 Power Good Pin
            11. 9.2.1.2.11 Input and Output Protection
            12. 9.2.1.2.12 Final Schematic and Component Values
      2. 9.2.2 Application Curves
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
12. 12器件和文档支持
    1. 12.1 器件支持
       1. 12.1.1 开发支持
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
13. 13机械、封装和可订购信息