SNVSBS9A March   2021  – May 2022 TPS3704-Q1

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Nomenclature
  6. Pin Configuration and Functions
  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 Timing Diagrams
    8. 7.8 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 VDD
      2. 8.3.2 SENSEx Input
        1. 8.3.2.1 Immunity to SENSEx Pins Voltage Transients
          1. 8.3.2.1.1 SENSEx Hysteresis
      3. 8.3.3 RESETx/RESETx
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation (VDD > VDD(MIN))
      2. 8.4.2 Undervoltage Lockout (VPOR < VDD < UVLO)
      3. 8.4.3 Power-On Reset (VDD < VPOR)
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Voltage Threshold Accuracy
      2. 9.1.2 Adjustable Voltage Thresholds
    2. 9.2 Typical Applications
      1. 9.2.1 Design 1: Multi-Rail Window Monitoring for Microcontroller Power Rails
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
      2. 9.2.2 Design 2: Manual Self-Test Option for Enhanced Functional Safety Use Cases
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Supply Guidelines
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Nomenclature
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Features

  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C7B
  • Designed for high performance and safety:
  • Input current (4 channels): IDD = 15 μA maximum
  • High threshold accuracy: ±0.25% typical, ±1% maximum
  • Built-in precision hysteresis:
    VHYS (VIT > 800 mV) = 0.75% typical
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL A
    • Self test - manual setup
  • Designed for a wide range of applications:
  • Input voltage range, VDD = 1.7 V to 6V
  • Quad, triple, dual, or single voltage supervisor
  • Each channel highly configurable
    • Window (OV, UV), UV-only, OV-only options
    • Window tolerance: ±3% to ±11%
    • High threshold resolution: VIT ≤ 0.8 V: 20-mV steps VIT > 0.8 V: Lower of 0.5% or 20-mV steps
  • Push-button monitor on all channels
  • Reset time delay (tD): Fixed time delay options
    • Options: 23 fixed time options ranging from
      20 µs minimum to 1200 ms maximum
  • Multiple output topologies, package type:
  • TPS3704xxxO-Q1:open-drain, active-low (RESET)
  • TPS3704xxxL-Q1: push-pull, active-low (RESET)
  • TPS3704xxxH-Q1: push-pull, active-high (RESET)