TLD5190QVXUMA1

Summary of Features

• MOSFET H-Bridge with Single Inductor DC/DC Controller for high power BUCK-BOOST LED control
• Constant Current and Constant Voltage Regulation
• Wide VIN Range (Device 4.5V to 40V, Power Stage 4.5V to 55V)
• Wide LED forward voltage Range (2V up to 55V)
• LED current accuracy+/-3% at Tj=25° and 4% over the whole automotive temperature range
• Switching Frequency Range from 200 kHz to 700 kHz
• Maximum Efficiency in every condition (up to 96%)
• Flexible current sense (Highside or Lowside)
• EMC optimized device: Features an auto Spread Spectrum concept to ensure best in class EMC performance
• Open Load, Overvoltages, Shorted LED fault and Overtemperature Diagnostic Outputs
• LED and Input current sense with dedicated monitor Outputs
• Smart power protection features for device and load (open load, short of Load, Overtemperature)
• Capability to supply Gate Drivers via external Voltage Regulator
• Adjustable Soft Start
• Enhanced Dimming features to adjust average LED current and PWM dimming
• Available in a small thermally enhanced VQFN-48-31 package
• Automotive AEC Qualified

Target Applications

• Especially designed for driving high power LEDs in automotive applications
• Ideal for driving (LED) loads on supply/battery voltage level
• Automotive Exterior Lighting, where high efficiency is required or where board space is limited, like high current Low Beam, High Beam or combined Low- and Highbeams
• Non LED applications like USB, mobile wireless charger and multipurpose pre-regulation like for infotainment