SLLSFS6B September   2024  – October 2025

PRODMIX  

  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 ESD Ratings - IEC Specifications
    4. 5.4 Recommended Operating Conditions
    5. 5.5 Thermal Information
    6. 5.6 Electrical Characteristics
    7. 5.7 Switching Characteristics
    8. 5.8 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1  Wake-Up Detection
      2. 7.3.2  Current Limit Configuration
        1. 7.3.2.1 Current Limit Configuration in Pin-Mode
        2. 7.3.2.2 Current Limit Configuration in SPI mode
      3. 7.3.3  CQ Current Fault Detection, Indication and Auto Recovery
      4. 7.3.4  DO Current Fault Detection, Indication and Auto Recovery
      5. 7.3.5  CQ and DI Receivers
      6. 7.3.6  Fault Reporting
        1. 7.3.6.1 Thermal Warning, Thermal Shutdown
      7. 7.3.7  The Integrated Voltage Regulator (LDO)
      8. 7.3.8  Reverse Polarity Protection
      9. 7.3.9  Integrated Surge Protection and Transient Waveform Tolerance
      10. 7.3.10 Undervoltage Lock-Out (UVLO)
      11. 7.3.11 Interrupt Function
    4. 7.4 Device Functional Modes
      1. 7.4.1 CQ and DO Tracking mode
    5. 7.5 SPI Programming
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Driving Capacitive Loads
        2. 8.2.2.2 Driving Inductive Loads
      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 Example
  10. 9 TIOL221 Registers
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Mechanical Data

5.8 Typical Characteristics

TIOL221 Supply Current vs Supply Voltage (TX1=TX2=GND)
CQ, DO enabled but no load, push-pull mode
RSETx = 10kΩ TA = 25°C
Figure 5-1 Supply Current vs Supply Voltage (TX1=TX2=GND)
TIOL221 CQ, DO RDSON vs. Temperature
LP = 24V Load = 200mA RSETx = 10kΩ
Figure 5-3 CQ, DO RDSON vs. Temperature
TIOL221 CQ, DI Receiver Threshold Boundaries
TA = 25°C
Figure 5-5 CQ, DI Receiver Threshold Boundaries
TIOL221 Supply Current vs Supply Voltage (TX1=TX2=VOUT)
CQ, DO enabled but no load, push-pull mode
RSETx = 10kΩ TA = 25°C
Figure 5-2 Supply Current vs Supply Voltage (TX1=TX2=VOUT)
TIOL221 CQ, DO Current Limit vs RSETxFor RSET in the 0-5kΩ range, TIOL221 can source/sink 500mA required for wake-up pulse generation in IO-link applications. For RSET in the 0-5kΩ range, TIOL221 also activates a pull-down current source (ILLM) when the driver is disabled.
LP = 24V TA = 25°C
Figure 5-4 CQ, DO Current Limit vs RSETx(1)
1. For RSET in the 0-5kΩ range, TIOL221 can source/sink 500mA required for wake-up pulse generation in IO-link applications. For RSET in the 0-5kΩ range, TIOL221 also activates a pull-down current source (ILLM) when the driver is disabled.