ZHCSPK7F November   2004  – January 2022 TPS2384

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  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 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 PMM Faults
      2. 8.3.2 Watchdog Timer
    4. 8.4 Device Functional Modes
      1. 8.4.1  Auto Mode
      2. 8.4.2  Auto Mode Functional Description
        1. 8.4.2.1 AM Discovery
        2. 8.4.2.2 AM Classification
        3. 8.4.2.3 AM Power Delivery
      3. 8.4.3  AM Faults and INTB Output
      4. 8.4.4  Over and Undervoltage Fault
      5. 8.4.5  Over Current or Current Limit Faults
      6. 8.4.6  Undercurrent Fault (DC Modulated Disconnect)
      7. 8.4.7  Power Management Mode (PMM)
        1. 8.4.7.1 13 PMM Functions
      8. 8.4.8  PMM Discovery 1
      9. 8.4.9  PMM Discovery 2
      10. 8.4.10 PMM Classification
      11. 8.4.11 PMM Legacy
      12. 8.4.12 PMM Rup Pwr
      13. 8.4.13 PMM RDWN
    5. 8.5 Programming
      1. 8.5.1 I2C Interface Description
      2. 8.5.2 Start and Stop
      3. 8.5.3 Chip Address
      4. 8.5.4 Chip Addressing
      5. 8.5.5 Data Write Cycle
      6. 8.5.6 Port and Register Cycle
      7. 8.5.7 Data Read Cycle
    6. 8.6 Register Maps
      1. 8.6.1 Register/Port Addressing Map
      2. 8.6.2 Common Read, Register Select
      3. 8.6.3 Common Write, Register Select = 1111 (Test Register)
      4. 8.6.4 Common Control Write, Register Select = 0001
      5. 8.6.5 Port Control Write 1, Register Select = 0010 (One Per Port)
      6. 8.6.6 Port Control Write 2, Register Select = 0011 (One Per Port)
      7. 8.6.7 Port Status Read 1, Register Select = 0100 (One Per Port)
      8. 8.6.8 Port Status Read 2, Register Select = 0101 (One Per Port)
      9. 8.6.9 A/D Results Registers (Discovery Current, Voltage, Current and Temperature)
        1. 8.6.9.1 Discovery Current — Lower Bits, Register Select = 0110 (One Per Port)
        2. 8.6.9.2 Discovery Current — Upper Bits, Register Select = 0111 (One Per Port)
        3. 8.6.9.3 Voltage — Lower Bits, Register Select = 1000 (One Per Port)
        4. 8.6.9.4 Voltage — Upper Bits, Register Select = 1001 (One Per Port)
        5. 8.6.9.5 Current — Lower Bits, Register Select = 1010 (One Per Port)
        6. 8.6.9.6 Current — Upper Bits, Register Select = 1011 (One Per Port)
        7. 8.6.9.7 Temperature — Lower Bits, Register Select = 1100 (One Per Port)
        8. 8.6.9.8 Temperature — Upper Bits, Register Select = 1101 (One Per Port)
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 AC Disconnect Drive Circuit Detail
      2. 9.1.2 Connection of Unused Ports and Pins
      3. 9.1.3 Opto-isolator Interface
      4. 9.1.4 Port Protection from Electrical Transients
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Power Pin Bypass Capacitors
        2. 9.2.2.2 Per Port Components
        3. 9.2.2.3 Bias and Timing
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Local Circuits
      2. 11.1.2 System Protection Circuits
    2. 11.2 Layout Example
    3. 11.3 Thermal Consideration
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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6.5 Electrical Characteristics

V48 = 48 V, RT = 124 kΩ, CT = 220 pF, CINT = 0.027 μF (low leakage), –40°C to 125°C and TA = TJ (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Power Supply
V48 quiescent current Off mode (all ports) 4 9 12 mA
V48 quiescent current Powered mode (all ports) 10 14
V10, internal analog supply ILOAD = 0 9.75 10.5 11.5 V
V3.3, internal digital supply ILOAD = 0 to 3 mA 3 3.3 3.7
V3.3 short circuit current V = 0 3 12 mA
V6.3, internal supply ILOAD = 0 5 6.3 7 V
V2.5, internal reference supply ILOAD = 0 2.46 2.5 2.54
Input UVLO 26 32
Internal POR time out(I2C) After all supplies are good I2C activity is valid 8 Clock Pulses
Internal POR time out (Port) After all supplies are good Port active to I2C commands 66000
Port Discovery
Port off #P to #N input resistance 400 600 kΩ
Discovery open circuit voltage 22 30 V
Discovery 1 voltage loop control 70 μA < IPORT < 3 mA 2.8 4.4
Discovery 2 voltage loop control 70 μA < IPORT < 3 mA 8.8 10
Discovery current limit P = N = 48 V 3 4 5 mA
Auto-mode discovery resistance acceptance Band 19 26.5 kΩ
Auto-mode discovery resistance low end rejection 0 15
Auto-mode discovery resistance high end rejection 33
Discovery1,2 A/D conversion scale factor 100 μA < IPORT < 3 mA 5.30 6.10 6.75 count/μA
Port Classification
Classification voltage loop control 100 μA < IPORT < 50 mA 15.5 17.5 20 V
Classification current limit P = N = 48 V 51 60 100 mA
Class 0 to 1 detection threshold 5.5 6.5 7.5
Class 1 to 2 detection threshold 13 14.5 16
Class 2 to 3 detection threshold 21 23 25
Class 3 to 4 detection threshold 31 33 35
Class 4 to 0 detection threshold 45 48 51
Classification A/D conversion scale factor 375 424 475 Count/
mA
Port Legacy Detection
Legacy current limit P = N = 48 V 2.6 3.5 4.3 mA
Legacy voltage A/D conversion scale factor 100 mV < VPORT < 17.5 V 1365 1400 1445 Count/V
Port Powered Mode
Port on resistance 20 mA < IPORT < 300 mA 1.3 1.8 Ω
Over current threshold (ICUT) RBIAS = 124 kΩ, CT = 220 pF, –25 ≤ TJ ≤ 105 350 375 400 mA
Output current limit (ILIM) 425 450
Disconnect timer current threshold RBIAS = 124 kΩ, CT = 220 pF 7.5 10
Port output UV 42.0 42.7 44.0 V
Port output OV 54 55 56
Port current A/D conversion scale factor 20 mA < IPORT < 56 V 31 36.41 40 Count/
mA
Port voltage A/D conversion scale factor 45 V < VPORT < 56 V 335 353 370 Count/V
Port temperature A/D conversion (17500 - counts)/16 °C
Port Disable Mode
Port N voltage P = 48 V 47 V
AC LO and AC HI Specification
AC_LO, AC_HI – low output voltage 0 0.5 V
AC_LO – high output voltage 3.0 5.0
AC_HI – high output voltage 5.0 7.0
Digital I2C DC Specifications
SCL logic low input threshold (VIL) 0.5 V
SDA_I logic low input threshold (VIL) 1.25 V
SCL, SDA_I logic high input threshold (VIH) 1.75 V
A1–A5 ,WD_DIS, ALTA/B, MS, PORB logic input threshold 1.5 V
MS, PORB input hysteresis 150 V
WD_DIS,ALTA/B, MS, PORB input pulldown resistance Input voltage 0.5 to 3 V 50 kΩ
A1–A5 pulldown current 10 μA
SDA_O logic high leakage Drain = 5 V 100 nA
SDA_O logic low ISINK = 10 mA 200 mV
INTB logic high leakage Drain = 6 V 10 μA
INTB logic low ISINK = 10 mA 200 mV