Infineon Technologies TLD5191IVREG_EVAL Evaluation Board

Infineon Technologies TLD5191IVREG_EVAL Evaluation Board evaluates the TLD5191ES synchronous MOSFET H-Bridge DC-DC controller. This evaluation board is characterized by its high-power, high-efficiency buck-boost architecture. The TLD5191IVREG_EVAL evaluation board is an EMC-optimized device and offers constant current (LED) and constant voltage regulation. This evaluation board enables compact design due to high efficiency and reduced EMI emissions. The TLD5191IVREG_EVAL evaluation board features a 6A maximum output current, a 6V to 35V supply voltage range, and a 5V to 47V output voltage range. Typical applications include automotive applications, general purpose DC-DC for constant current or voltage applications such as USB, mobile wireless chargers, and multipurpose pre-regulation for infotainment.

Features

  • Constant current (LED) and constant voltage regulation
  • High power and high-efficiency buck-boost architecture
  • Embedded PWM engine for digital dimming
  • EMC-optimized device (spread spectrum)
  • Enable compact design due to high efficiency
  • Reduced EMI emissions
  • Easy diagnosis of the load due to reliable protections

Specifications

  • 6A maximum output current
  • 6V to 35V supply voltage range
  • 5V to 47V output voltage range
  • 385kHz switching frequency
  • 275Hz PWM frequency (embedded PWM engine enabled)

Applications

  • Specially designed for driving high-power LEDs in automotive applications
  • Automotive exterior lighting: complete LED headlamp assemblies (low beam, high beam, matrix beam, and pixel light)
  • Voltage pre-regulator for rear lamp assemblies
  • General purpose DC-DC for constant current or constant voltage applications such as USB, mobile wireless chargers, and multipurpose pre-regulation for infotainment

PCB Layout

Infineon Technologies TLD5191IVREG_EVAL Evaluation Board

Simplified Schematic in Constant Current Mode (LED driver)

Schematic - Infineon Technologies TLD5191IVREG_EVAL Evaluation Board

Infineon Technologies TLD5191IVREG_EVAL Evaluation Board