ZHCSTJ2A October   2023  – May 2024 TPS3762-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Nomenclature
  6. 5 Device Comparison
  7. 6 Pin Configuration and Functions
  8. 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 Switching Requirements
    7. 7.7 Timing Requirements
  9. 8 Timing Diagrams
  10. 9 Typical Characteristics
  11. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1 Input Voltage (VDD)
        1. 10.3.1.1 Undervoltage Lockout (VPOR < VDD < UVLO)
        2. 10.3.1.2 Power-On Reset (VDD < VPOR )
      2. 10.3.2 SENSE
        1. 10.3.2.1 Reverse Polarity Protection
        2. 10.3.2.2 SENSE Hysteresis
      3. 10.3.3 Output Logic Configurations
        1. 10.3.3.1 Open-Drain
        2. 10.3.3.2 Active-Low (RESET)
        3. 10.3.3.3 Latching
        4. 10.3.3.4 UVBypass
      4. 10.3.4 User-Programmable Reset Time Delay
        1. 10.3.4.1 Reset Time Delay Configuration
      5. 10.3.5 User-Programmable Sense Delay
        1. 10.3.5.1 Sense Time Delay Configuration
      6. 10.3.6 Built-In Self-Test
    4. 10.4 Device Functional Modes
  12. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Adjustable Voltage Thresholds
    3. 11.3 Typical Application
      1. 11.3.1 Design 1: Off-Battery Monitoring
        1. 11.3.1.1 Design Requirements
        2. 11.3.1.2 Detailed Design Procedure
          1. 11.3.1.2.1 Setting Voltage Threshold
          2. 11.3.1.2.2 Meeting the Sense and Reset Delay
          3. 11.3.1.2.3 Setting Supply Voltage
          4. 11.3.1.2.4 Initiating Built-In Self-Test and Clearing Latch
        3. 11.3.1.3 Application Curves
    4. 11.4 Power Supply Recommendations
      1. 11.4.1 Power Dissipation and Device Operation
    5. 11.5 Layout
      1. 11.5.1 Layout Guidelines
      2. 11.5.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  14. 13Revision History
  15. 14Mechanical, Packaging, and Orderable Information

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10.4 Device Functional Modes

Table 10-2 Undervoltage Detect Functional Mode Truth Table
DESCRIPTIONSENSECTR (1) / MR PINVDD PINOUTPUT (2)
(RESET PIN)
PREVIOUS CONDITIONCURRENT CONDITION
Normal OperationSENSE > VITNSENSE > VITNOpen or capacitor connectedVDD > VDD(MIN)High
Undervoltage DetectionSENSE > VITNSENSE < VITNOpen or capacitor connectedVDD > VDD(MIN)Low
Undervoltage DetectionSENSE < VITNSENSE > VITNOpen or capacitor connectedVDD > VDD(MIN)Low
Normal OperationSENSE < VITNSENSE > VITN + HYSOpen or capacitor connectedVDD > VDD(MIN)High
UVLO EngagedSENSE > VITNSENSE > VITNOpen or capacitor connectedVPOR < VDD < VDD(MIN)Low
Below VPOR, Undefined OutputSENSE > VITNSENSE > VITNOpen or capacitor connectedVDD < VPORUndefined
(1) Reset time delay is ignored in the truth table.
(2) Open-drain active low output requires an external pull-up resistor to a pull-up voltage.
Table 10-3 Overvoltage Detect Functional Mode Truth Table
DESCRIPTIONSENSECTR (1) / MR PINVDD PINOUTPUT (2)
(RESET PIN)
PREVIOUS CONDITIONCURRENT CONDITION
Normal OperationSENSE < VITNSENSE < VITNOpen or capacitor connectedVDD > VDD(MIN)High
Overvoltage DetectionSENSE < VITNSENSE > VITNOpen or capacitor connectedVDD > VDD(MIN)Low
Overvoltage DetectionSENSE > VITNSENSE < VITNOpen or capacitor connectedVDD > VDD(MIN)Low
Normal OperationSENSE > VITNSENSE < VITN - HYSOpen or capacitor connectedVDD > VDD(MIN)High
UVLO EngagedSENSE < VITNSENSE < VITNOpen or capacitor connectedVPOR < VDD < UVLOLow
Below VPOR, Undefined OutputSENSE < VITNSENSE < VITNOpen or capacitor connectedVDD < VPORUndefined
(1) Reset time delay is ignored in the truth table.
(2) Open-drain active low output requires an external pull-up resistor to a pull-up voltage.
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