ZHCS558H June   2011  – July 2014 LM5066

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4  简化电路原理图
  5. 5 修订历史记录
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 Handling Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 SMBus Communications Timing Requirements and Definitions
    7. 8.7 Switching Characteristics
    8. 8.8 Typical Performance Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Current Limit
      2. 9.3.2 Circuit Breaker
      3. 9.3.3 Power Limit
      4. 9.3.4 UVLO
      5. 9.3.5 OVLO
      6. 9.3.6 Power Good Pin
      7. 9.3.7 VDD Sub-Regulator
      8. 9.3.8 Remote Temperature Sensing
      9. 9.3.9 Damaged MOSFET Detection
    4. 9.4 Device Functional Modes
      1. 9.4.1 Power-Up Sequence
      2. 9.4.2 Gate Control
      3. 9.4.3 Fault Timer and Restart
      4. 9.4.4 Shutdown Control
      5. 9.4.5 Enabling/Disabling and Resetting
    5. 9.5 Programming
      1. 9.5.1 PMBus Command Support
      2. 9.5.2 Standard PMBus Commands
        1. 9.5.2.1  OPERATION (01h)
        2. 9.5.2.2  CLEAR_FAULTS (03h)
        3. 9.5.2.3  CAPABILITY (19h)
        4. 9.5.2.4  VOUT_UV_WARN_LIMIT (43h)
        5. 9.5.2.5  OT_FAULT_LIMIT (4Fh)
        6. 9.5.2.6  OT_WARN_LIMIT (51h)
        7. 9.5.2.7  VIN_OV_WARN_LIMIT (57h)
        8. 9.5.2.8  VIN_UV_WARN_LIMIT (58h)
        9. 9.5.2.9  STATUS_BYTE (78h)
        10. 9.5.2.10 STATUS_WORD (79h)
        11. 9.5.2.11 STATUS_VOUT (7Ah)
        12. 9.5.2.12 STATUS_INPUT (7Ch)
        13. 9.5.2.13 STATUS_TEMPERATURE (7dh)
        14. 9.5.2.14 STATUS_CML (7Eh)
        15. 9.5.2.15 STATUS_MFR_SPECIFIC (80h)
        16. 9.5.2.16 READ_VIN (88h)
        17. 9.5.2.17 READ_VOUT (8Bh)
        18. 9.5.2.18 READ_TEMPERATURE_1 (8Dh)
        19. 9.5.2.19 MFR_ID (99h)
        20. 9.5.2.20 MFR_MODEL (9Ah)
        21. 9.5.2.21 MFR_REVISION (9Bh)
      3. 9.5.3 Manufacturer Specific PMBus Commands
        1. 9.5.3.1  MFR_SPECIFIC_00: READ_VAUX (D0h)
        2. 9.5.3.2  MFR_SPECIFIC_01: MFR_READ_IIN (D1h)
        3. 9.5.3.3  MFR_SPECIFIC_02: MFR_READ_PIN (D2h)
        4. 9.5.3.4  MFR_SPECIFIC_03: MFR_IN_OC_WARN_LIMIT (D3h)
        5. 9.5.3.5  MFR_SPECIFIC_04: MFR_PIN_OP_WARN_LIMIT (D4h)
        6. 9.5.3.6  MFR_SPECIFIC_05: READ_PIN_PEAK (D5h)
        7. 9.5.3.7  MFR_SPECIFIC_06: CLEAR_PIN_PEAK (D6h)
        8. 9.5.3.8  MFR_SPECIFIC_07: GATE_MASK (D7h)
        9. 9.5.3.9  MFR_SPECIFIC_08: ALERT_MASK (D8h)
        10. 9.5.3.10 MFR_SPECIFIC_09: DEVICE_SETUP (D9h)
        11. 9.5.3.11 MFR_SPECIFIC_10: BLOCK_READ (DAh)
        12. 9.5.3.12 MFR_SPECIFIC_11: SAMPLES_FOR_AVG (DBh)
        13. 9.5.3.13 MFR_SPECIFIC_12: READ_AVG_VIN (DCh)
        14. 9.5.3.14 MFR_SPECIFIC_13: READ_AVG_VOUT (DDh)
        15. 9.5.3.15 MFR_SPECIFIC_14: READ_AVG_IIN (DEh)
        16. 9.5.3.16 MFR_SPECIFIC_15: READ_AVG_PIN
        17. 9.5.3.17 MFR_SPECIFIC_16: BLACK_BOX_READ (E0h)
        18. 9.5.3.18 MFR_SPECIFIC_17: READ_DIAGNOSTIC_WORD (E1h)
        19. 9.5.3.19 MFR_SPECIFIC_18: AVG_BLOCK_READ (E2h)
      4. 9.5.4 Reading and Writing Telemetry Data and Warning Thresholds
      5. 9.5.5 Determining Telemetry Coefficients Empirically With Linear Fit
      6. 9.5.6 Writing Telemetry Data
      7. 9.5.7 PMBus Address Lines (ADR0, ADR1, ADR2)
      8. 9.5.8 SMBA Response
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 48-V, 10-A PMBus Hotswap Design
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design-In Procedure
          1. 10.2.1.2.1 Select RSNS and CL Setting
          2. 10.2.1.2.2 Selecting the Hotswap FETs
          3. 10.2.1.2.3 Select Power Limit
          4. 10.2.1.2.4 Set Fault Timer
          5. 10.2.1.2.5 Check MOSFET SOA
          6. 10.2.1.2.6 Set UVLO and OVLO Thresholds
            1. 10.2.1.2.6.1 Option A
            2. 10.2.1.2.6.2 Option B
            3. 10.2.1.2.6.3 Option C
            4. 10.2.1.2.6.4 Option D
          7. 10.2.1.2.7 Power Good Pin
          8. 10.2.1.2.8 Input and Output Protection
          9. 10.2.1.2.9 Final Schematic and Component Values
        3. 10.2.1.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 商标
    2. 13.2 静电放电警告
    3. 13.3 术语表
  14. 14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

6 Device Comparison Table

Table 1 summarizes the differences between the LM5066 and the LM5066I. Note that the current monitoring accuracy of the LM5066I is much better at the ILIM = 26 mV setting, but is comparable at the 50-mV setting. For many applications with lower power, using the LM5066 at the 50-mV setting is a great option. However, for higher power applications upgrading to LM5066I and using the ILIM = 26 mV setting will lead to significant power savings (approximately 24 mV × ILOAD). In addition, the higher accuracy and energy monitoring capability can enable further improvements in system efficiency, which is critical in high power applications.

Table 1. LM5066 vs LM5066I

KEY PARAMETERS LM5066 LM5066I
Voltage monitoring ±2.7% ±1.25%
Current monitoring (ILIM = 26 mV) ±4.25% ±1.75%
Power monitoring (ILIM = 26 mV) ±4.5% ±.2.5%
Current monitoring (ILIM = 50 mV) ±3% ±3.5%
Power monitoring (ILIM = 50 mV) ±4.5% ±4.5%
Supports Energy Monitoring via Read_EIN command No Yes