SNVU822 May   2022

 

  1.   Trademarks
  2. 1Introduction
  3. 2Warnings and Cautions
  4. 3Description
    1. 3.1 Typical Applications
    2. 3.2 Features
    3. 3.3 Connector and Test Point Description
    4. 3.4 Electrical Performance Specifications
  5. 4Test Setup
    1. 4.1 Input Supplies and LED Load Connections
    2. 4.2 Analog Duty Cycle Control Using APWM
    3. 4.3 Analog Dimming Using IADJ
    4. 4.4 PWM Dimming Using nExt_PWM Test Points
    5. 4.5 Switching Frequency Set Point Using RON
  6. 5Performance Data and Typical Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Analog Dimming
    3. 5.3 PWM Dimming
    4. 5.4 PWM Dimming Waveforms
  7. 6Schematic
  8. 7TPS92643EVM-204 PCB Layout
  9. 8Bill of Materials

3.2 Features

● AEC-Q100 qualified for automotive applications

● 5.5-V to 40-V wide input voltage range

- Grade 1: –40°C to 125°C ambient operating temperature

● Adaptive on-time average current control

- Device HBM classification level H1C

● LED open and short fault monitoring and reporting

- Device CDM classification level C2

● Switch thermal protection
● Cycle-by-cycle switch overcurrent protection● Advanced dimming operation
● Nominal switching frequency- Precision analog dimming

- 440 kHz

- Supports external PWM dimming input