ZHCSP85D november   2021  – august 2023 TPSI3050-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Switching Characteristics
    11. 6.11 Insulation Characteristic Curves
    12. 6.12 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Transmission of the Enable State
      2. 8.3.2 Power Transmission
      3. 8.3.3 Gate Driver
      4. 8.3.4 Modes Overview
      5. 8.3.5 Three-Wire Mode
      6. 8.3.6 Two-Wire Mode
      7. 8.3.7 VDDP, VDDH, and VDDM Undervoltage Lockout (UVLO)
      8. 8.3.8 Power Supply and EN Sequencing
      9. 8.3.9 Thermal Shutdown
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Two-Wire or Three-Wire Mode Selection
        2. 9.2.2.2 Standard Enable, One-Shot Enable
        3. 9.2.2.3 CDIV1, CDIV2 Capacitance
        4. 9.2.2.4 RPXFR Selection
        5. 9.2.2.5 CVDDP Capacitance
        6. 9.2.2.6 Gate Driver Output Resistor
        7. 9.2.2.7 Start-up Time and Recovery Time
        8. 9.2.2.8 Supplying Auxiliary Current, IAUX From VDDM
        9. 9.2.2.9 VDDM Ripple Voltage
      3. 9.2.3 Application Curves
      4. 9.2.4 Insulation Lifetime
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Related Links
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

6.8 Safety Limiting Values

PARAMETER(1)(2) TEST CONDITIONS MIN TYP MAX UNIT
IS Safety input, output, or supply current RθJA = 89.3°C/W, VVDDP = 5.5 V,
TJ = 150°C, TA = 25°C,
three-wire mode.		 254 mA
RθJA = 89.3°C/W, VEN = 24 V,
TJ = 150°C, TA = 25°C,
two-wire mode.		 58
RθJA = 89.3°C/W, VEN = 48 V,
TJ = 150°C, TA = 25°C,
two-wire mode.		 29
PS Safety input, output, or total power RθJA = 89.3°C/W,
TJ = 150°C, TA = 25°C.		 1.4 W
TS Maximum safety temperature 150 °C
(1) Safety limiting intends to minimize potential damage to the isolation barrier upon failure of input or output circuitry. A failure of the I/O can allow low resistance to ground or the supply and, without current limiting, dissipate sufficient power to overheat the die and damage the isolation barrier, potentially leading to secondary system failures.
(2) The safety-limiting constraint is the maximum junction temperature specified in the data sheet. The power dissipation and junction-to-air thermal impedance of the device installed in the application hardware determines the junction temperature. The assumed junction-to-air thermal resistance in the Thermal Information table is that of a device installed on a high-K test board for leaded surface-mount packages. The power is the recommended maximum input voltage times the current. The junction temperature is then the ambient temperature plus the power times the junction-to-air thermal resistance.
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