SLVSGP5 may   2023 TPS92629-Q1

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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Power Supply (SUPPLY)
        1. 7.3.1.1 Power-On Reset (POR)
        2. 7.3.1.2 Supply Current in Fault Mode
      2. 7.3.2  Enable and Shutdown
      3. 7.3.3  Constant-Current Output and Setting (IN)
      4. 7.3.4  Thermal Sharing Resistor (OUT and RES)
      5. 7.3.5  Brightness Control (EN/PWM and ADIM)
      6. 7.3.6  Diagnostics
        1. 7.3.6.1 LED Short-to-GND Detection
        2. 7.3.6.2 LED Open-Circuit and Short-to-Battery Detection
        3. 7.3.6.3 LED Open-Circuit and Short-to-Battery Detection Enable (DIAGEN)
        4. 7.3.6.4 Overtemperature Protection
        5. 7.3.6.5 Low Dropout Operation
      7. 7.3.7  Multi Fault Report
      8. 7.3.8  FAULT Table
      9. 7.3.9  LED Fault Summary
      10. 7.3.10 IO Pins Inner Connection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Undervoltage Lockout, V(SUPPLY) < V(POR_rising)
      2. 7.4.2 Normal Operation V(SUPPLY) ≥ 4.5 V
      3. 7.4.3 Low-Voltage Dropout Operation
      4. 7.4.4 Fault Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Using Analog Dimming Controlled By MCU for Blind Spot Detection
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

7.3.8 FAULT Table

Table 7-1 Fault Table With DIAGEN = HIGH (Full Function)
FAULT TYPE DETECTION MECHANISM CONTROL INPUT DEGLITCH TIME FAULT BUS FAULT HANDLING ROUTINE FAULT RECOVERY
Open-circuit V(IN) – V(OUT) < V(OPEN_th_rising),V(IN) – V(OUT) > V(OPEN_th_falling) at the end of discharge process EN/PWM = H, ADIM = H t(OPEN_deg) Pull up to V(FAULT_OPEN) Device turns failed output off and retries with constant current I(retry), ignoring the PWM input. Auto recovery
Short-to-battery V(IN) – V(OUT) < V(OPEN_th_rising),V(IN) – V(OUT) <= V(OPEN_th_falling) at the end of discharge process EN/PWM = H, ADIM = H t(OPEN_deg) Pull up to V(FAULT_STB) Device turns failed output off and retries with constant current I(retry), ignoring the PWM input. Auto recovery
Short-to-ground V(OUT) < V(SG_th_falling)
OR
V(RES) < V(SG_th_falling)		 EN/PWM = H, ADIM = H t(SG_deg) Pull up to V(FAULT_STG) Device turns failed output off and retries with constant current I(retry), ignoring the PWM input. Auto recovery
Overtemperature TJ > T(TSD) t(TSD_deg) Pull up to V(FAULT_TSD) Device turns all output channels off. Auto recovery
Table 7-2 Fault Table With DIAGEN = LOW (Full Function)
FAULT TYPE DETECTION MECHANISM CONTROL INPUT DEGLITCH TIME FAULT BUS FAULT HANDLING ROUTINE FAULT RECOVERY
Open-circuit or short-to-battery Ignored
Short-to-ground V(OUT) < V(SG_th_falling)
OR
V(RES) < V(SG_th_falling)		 EN/PWM = H, ADIM = H t(SG_deg) Pull up to V(FAULT_STG) Device turns output off and retries with constant current I(retry), ignoring the PWM input. Auto recovery
Overtemperature TJ > T(TSD) t(TSD_deg) Pull up to V(FAULT_TSD) Device turns all output channels off. Auto recovery