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

6.6 Typical Characteristics

GUID-20230505-SS0I-KVMW-N88V-TVVWNMFRWWP9-low.svgFigure 6-1 Output Current vs Supply Voltage
GUID-20230505-SS0I-MRJW-ZWWR-MVPCMGDJ2KM6-low.svgFigure 6-3 Output Current vs Dropout Voltage
GUID-20230505-SS0I-KMHW-Q3MK-HKCHFRV6QTTK-low.svgFigure 6-5 PWM Output Duty Cycle vs PWM Input Duty Cycle
GUID-20230505-SS0I-CF9K-FGSW-VBLZKDPSJMQ3-low.svgFigure 6-7 Power Dissipation vs Supply Voltage
GUID-20230505-SS0I-2JVX-DJBS-VP5Q7RGCBQ0M-low.svgFigure 6-9 Power Dissipation vs Supply Voltage
GUID-20230505-SS0I-GHSZ-9GX8-HGJWC0Q0SS4C-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(ADIM)
Ch4 = I(OUT_Tot)
Figure 6-11 Analog Dimming at 20 kHz
GUID-20230505-SS0I-T9L5-27ZV-4K1KDP8RBXRK-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(ADIM)
Ch4 = I(OUT_Tot)
Figure 6-13 Flash Dimming
GUID-20230505-SS0I-KCBM-CBGR-TGSXXD5LCW1X-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(EN/PWM)
Ch4 = I(OUT_Tot)
Figure 6-15 PWM Dimming at 200 Hz
GUID-20230505-SS0I-2BH0-GZDW-VWWVMQS8LRPL-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-17 LED Open Protection
GUID-20230505-SS0I-9WXD-82SM-0NP1S1SSDQZN-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-19 LED Short to Battery Protection
GUID-20230505-SS0I-NZLW-F5XZ-FL2FNKLGHX1Z-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-21 LED Short-Circuit Protection
GUID-20230505-SS0I-G2RX-K6ZW-MMT8R2W7WW2F-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-23 Transient Undervoltage
GUID-20230505-SS0I-RTZ5-H8JK-ZLZHJLH5NK08-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-25 Slow Decrease and Quick Increase of Supply Voltage
GUID-20230505-SS0I-BNMG-02XF-P6ZNR4JWW95B-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot) DIAGEN = High when Supply > 8 V
Figure 6-27 Superimposed Alternating Voltage
GUID-20230505-SS0I-7TXG-RRC4-81LCN71WMTN3-low.svg
Ch1 = V(SUPPLY) Ch2 = V(FAULT) Ch3 = V(EN/PWM)
Ch4 = I(OUT_Tot)
Figure 6-29 Power off Sequence
GUID-20230505-SS0I-NBJM-QWLT-RGBPDLDHQCLD-low.svgFigure 6-2 Output Current vs Temperature
GUID-20230505-SS0I-J3F2-4L7C-SRCPHJPDZVPL-low.svgFigure 6-4 Output Current vs Dropout Voltage
GUID-20230505-SS0I-H42B-WZBS-KLCCG1RCQLZW-low.svgFigure 6-6 Output Current Distribution vs Supply Voltage
GUID-20230505-SS0I-X2F7-W0WQ-MK5CLDKNS1N5-low.svgFigure 6-8 Output Current Distribution vs Supply Voltage
GUID-20230505-SS0I-S0PM-88XN-MJWRQNKL2TS2-low.svg
Ch1 = V(SUPPLY) Ch2 = V(ADIM) Ch3 = V(EN/PWM)
Ch4 = I(OUT_Tot)
Figure 6-10 Power Up Sequence
GUID-20230505-SS0I-8RGH-JKG1-KPM6RVNW61VW-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(ADIM)
Ch4 = I(OUT_Tot)
Figure 6-12 Analog Dimming at 20 kHz
GUID-20230505-SS0I-WZJN-HNJ0-XJWPBZJ81DW5-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(EN/PWM)
Ch4 = I(OUT_Tot)
Figure 6-14 Supply Dimming at 200 Hz
GUID-20230505-SS0I-GHDB-RQX8-CN0FTJXQ5K2T-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(EN/PWM)
Ch4 = I(OUT_Tot)
Figure 6-16 PWM Dimming at 1 kHz
GUID-20230505-SS0I-STVS-M8Q7-Z860C1B8TJ84-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-18 LED Open Protection Recovery
GUID-20230505-SS0I-T55Q-FWVS-FK6CDRPL9QVQ-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-20 LED Short to Battery Protection Recovery
GUID-20230505-SS0I-SF30-W0XQ-DRNJSJNKGJG2-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-22 LED Short-Circuit Protection Recovery
GUID-20230505-SS0I-JNSZ-TJVV-T9RK37NTVZ36-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-24 Transient Overvoltage
GUID-20230505-SS0I-QDNT-FNDC-WBHG97PVFM8M-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-26 Slow Decrease and Slow Increase of Supply Voltage
GUID-20230505-SS0I-0N3Q-WLMQ-NZZDRCHQGP1X-low.svg
Ch1 = V(SUPPLY) Ch2 = V(OUT) Ch3 = V(FAULT)
Ch4 = I(OUT_Tot)
Figure 6-28 Jump Start