SLIS187C June   2021  – March 2022 TLC6A598

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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
    6. 6.6 Timing Requirements
    7. 6.7 Timing Waveforms
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Serial-In Interface
      2. 8.3.2 Clear Registers
      3. 8.3.3 Output Channels
      4. 8.3.4 Register Clock
      5. 8.3.5 Cascade Through SER OUT
      6. 8.3.6 Output Control
      7. 8.3.7 Clamping Structure
      8. 8.3.8 Protection Functions
        1. 8.3.8.1 Overcurrent Protection
        2. 8.3.8.2 Output Detection
        3. 8.3.8.3 Serial Communication Error
        4. 8.3.8.4 Thermal Shutdown
      9. 8.3.9 Interface
        1. 8.3.9.1 Register Write
        2. 8.3.9.2 Register Read
        3. 8.3.9.3 Shift-Register Communication-Fault Detection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation With VCC < 3 V
      2. 8.4.2 Operation With 5.5 V ≤ VCC ≤ 7 V
    5. 8.5 Register Maps
      1. 8.5.1 Configuration Register(Offset=0h)[reset=0h]
      2. 8.5.2 Fault Readback Register(Offset=1h)[reset=0h]
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application 1
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Typical Application 2
      1. 9.3.1 Design Requirements
      2. 9.3.2 Detailed Design Procedure
    4. 9.4 Typical Application 3
      1. 9.4.1 Design Requirements
      2. 9.4.2 Detailed Design Procedure
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

9.4 Typical Application 3

Figure 9-5 shows a typical application circuit with TLC6A598 to drive Relays. The MCU generates all the input signals.

Please note that inductive loads, such as stepper motors or relays, can generate negative transients on the DRAINx pins of the device. Typically, this event occurs when the output channel FET turns ON, pulling the DRAINx node to ground. This event can cause the DRAINx node to go below the voltage rating listed in the Absolute Maximum Ratings table, which in effect causes excessive ground current leakage.

Figure 9-5 Typical Application With TLC6A598 to Drive Relays