SLDS272 September   2024 DRV81620-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  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 Electrical Characteristics
      1. 6.5.1 SPI Timing Requirements
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Control Pins
        1. 7.3.1.1 Input Pins
        2. 7.3.1.2 nSLEEP Pin
      2. 7.3.2 Power Supply
        1. 7.3.2.1 Modes of Operation
          1. 7.3.2.1.1 Power-up
          2. 7.3.2.1.2 Sleep mode
          3. 7.3.2.1.3 Idle mode
          4. 7.3.2.1.4 Active mode
          5. 7.3.2.1.5 Limp Home mode
        2. 7.3.2.2 Reset condition
      3. 7.3.3 Power Stage
        1. 7.3.3.1 Switching Resistive Loads
        2. 7.3.3.2 Inductive Output Clamp
        3. 7.3.3.3 Maximum Load Inductance
        4. 7.3.3.4 Reverse Current Behavior
        5. 7.3.3.5 Switching Channels in parallel
        6. 7.3.3.6 Bulb Inrush Mode (BIM)
        7. 7.3.3.7 Integrated PWM Generator
      4. 7.3.4 Protection and Diagnostics
        1. 7.3.4.1 Undervoltage on VM
        2. 7.3.4.2 Overcurrent Protection
        3. 7.3.4.3 Over Temperature Protection
        4. 7.3.4.4 Over Temperature Warning
        5. 7.3.4.5 Over Temperature and Overcurrent Protection in Limp Home mode
        6. 7.3.4.6 Reverse Polarity Protection
        7. 7.3.4.7 Over Voltage Protection
        8. 7.3.4.8 Output Status Monitor
        9. 7.3.4.9 Open Load Detection in ON State
          1. 7.3.4.9.1 Open Load at ON - direct channel diagnosis
          2. 7.3.4.9.2 Open Load at ON - diagnosis loop
          3. 7.3.4.9.3 OLON bit
      5. 7.3.5 SPI Communication
        1. 7.3.5.1 SPI Signal Description
          1. 7.3.5.1.1 Chip Select (nSCS)
            1. 7.3.5.1.1.1 Logic high to logic low Transition
            2. 7.3.5.1.1.2 Logic low to logic high Transition
          2. 7.3.5.1.2 Serial Clock (SCLK)
          3. 7.3.5.1.3 Serial Input (SDI)
          4. 7.3.5.1.4 Serial Output (SDO)
        2. 7.3.5.2 Daisy Chain Capability
        3. 7.3.5.3 SPI Protocol
        4. 7.3.5.4 SPI Registers
          1. 7.3.5.4.1  Standard Diagnosis Register
          2. 7.3.5.4.2  Output control register
          3. 7.3.5.4.3  Bulb Inrush Mode Register
          4. 7.3.5.4.4  Input 0 Mapping Register
          5. 7.3.5.4.5  Input 1 Mapping Register
          6. 7.3.5.4.6  Input Status Monitor Register
          7. 7.3.5.4.7  Open Load Current Control Register
          8. 7.3.5.4.8  Output Status Monitor Register
          9. 7.3.5.4.9  Open Load at ON Register
          10. 7.3.5.4.10 EN_OLON Register
          11. 7.3.5.4.11 Configuration Register
          12. 7.3.5.4.12 Output Clear Latch Register
          13. 7.3.5.4.13 FPWM Register
          14. 7.3.5.4.14 PWM0 Configuration Register
          15. 7.3.5.4.15 PWM1 Configuration Register
          16. 7.3.5.4.16 PWM_OUT Register
          17. 7.3.5.4.17 MAP_PWM Register
          18. 7.3.5.4.18 Configuration 2 Register
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Suggested External Components
    2. 8.2 Layout
      1. 8.2.1 Layout Guidelines
      2. 8.2.2 Package Footprint Compatibility
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

1 Features

  • 3V to 40V Analog supply voltage

    • Cranking capability down to 3V

    • Supports LV124 standard

  • 3V to 5.5V Digital supply voltage

    • Compatible with 3.3V and 5V microcontrollers

  • 44V minimum drain to source clamping voltage

  • -19V maximum source to ground clamping voltage

  • RDS(ON): 630mΩ typical at 12V, 25 °C
  • Current: 330mA per output at 85 °C, with all channels ON
  • 2 parallel inputs with mapping functionality
  • Fail-safe activation in Limp Home mode
    • Using nSLEEP and IN pins
  • Two independent internal PWM generators
  • Bulb Inrush Mode (BIM) to drive lamps
    • For 2W/5W lamps and other capacitive loads
  • Low-current sleep mode
    • < 6.5μA using nSLEEP pin
  • 16-bit SPI interface for control and diagnosis
    • Daisy Chain capability
    • Compatible with 8-bit SPI devices
  • Supports various protection features -
    • Reverse battery protection
    • Short circuit to ground and battery protection
    • Stable behavior at under voltage conditions
    • Over Current latch OFF
    • Overtemperature warning
    • Thermal shutdown latch OFF
    • Overvoltage protection
    • Loss of battery and loss of ground protection
    • Electrostatic discharge (ESD) protection
  • Supports several diagnostic features -
    • Diagnostic information via SPI register
    • Over Load detection at ON state
    • Open Load detection in ON and OFF state
    • Input and Output Status Monitor
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