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  • TSD5402-Q18W High-Efficiency Automotive Sensor Driver Amplifier with Integrated Protections and I2C Diagnostics

    • SLOSEC9A September   2024  – January 2025 TSD5402-Q1

      PRODUCTION DATA  

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  • TSD5402-Q18W High-Efficiency Automotive Sensor Driver Amplifier with Integrated Protections and I2C Diagnostics
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements for I2C Interface Signals
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Analog Input and Preamplifier
      2. 6.3.2 Pulse-Width Modulator (PWM)
      3. 6.3.3 Gate Drive
      4. 6.3.4 Power FETs
      5. 6.3.5 Load Diagnostics
        1. 6.3.5.1 Load Diagnostics Sequence
        2. 6.3.5.2 Faults During Load Diagnostics
      6. 6.3.6 Protection and Monitoring
      7. 6.3.7 I2C Serial Communication Bus
        1. 6.3.7.1 I2C Bus Protocol
        2. 6.3.7.2 Random Write
        3. 6.3.7.3 Random Read
        4. 6.3.7.4 Sequential Read
    4. 6.4 Device Functional Modes
      1. 6.4.1 Hardware Control Pins
      2. 6.4.2 EMI Considerations
      3. 6.4.3 Operating Modes and Faults
  8. 7 Register Maps
    1. 7.1 I2C Address Register Definitions
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Amplifier Output Filtering
        2. 8.2.1.2 Amplifier Output Snubbers
        3. 8.2.1.3 Bootstrap Capacitors
        4. 8.2.1.4 Analog Signal Input Filter
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Unused Pin Connections
          1. 8.2.2.1.1 HI-Z Pin
          2. 8.2.2.1.2 STANDBY Pin
          3. 8.2.2.1.3 I2C Pins (SDA and SCL)
          4. 8.2.2.1.4 Terminating Unused Outputs
          5. 8.2.2.1.5 Using a Single-Ended Signal Input
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Examples
        1. 8.4.2.1 Top Layer
        2. 8.4.2.2 Second Layer – Signal Layer
        3. 8.4.2.3 Third Layer – Power Layer
        4. 8.4.2.4 Bottom Layer – Ground Layer
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Package Option Addendum
      1. 11.1.1 Packaging Information
      2. 11.1.2 Tape and Reel Information
  13. IMPORTANT NOTICE
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Data Sheet

TSD5402-Q18W High-Efficiency Automotive Sensor Driver Amplifier with Integrated Protections and I2C Diagnostics

1 Features

  • AEC-Q100 Qualified for automotive applications
    • Temperature grade 1: –40°C to 125°C, TA
  • Mono BTL Digital power amplifier
  • 8W Output power at 10% THD+N into 4Ω
  • 4.5V to 18V Operating range
  • 83% Efficiency into 4Ω
  • Differential analog input

  • Power Guard protection (adjustable voltage limiter)

  • 75dB Power-supply rejection ratio (PSRR)
  • Load diagnostic functions:
    • Open and shorted output load
    • Output-to-power and output-to-ground shorts
  • Protection and monitoring functions:
    • Short-circuit protection
    • 40V Load dump protection per ISO-7637-2
    • Output DC Level detection
    • Overtemperature protection
    • Overvoltage and Undervoltage protection
  • Thermally enhanced 16-Pin HTSSOP (PWP) package with PowerPAD™ package (pad down)
  • Designed for automotive EMC requirements
  • ISO9000: 2002 TS16949 certified
  • 40V Load dump protection in standby
  • Non-blocking I2C in standby

2 Applications

  • Resolver-based automotive and industrial applications

  • HEV/EV inverter & motor control

  • Electric power steeering (EPS)

  • Rearview mirror module

  • Automotive eMirrors

  • Servo drive power stage module

  • Flight control system

 
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