Evaluation Board for the LM3554
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Synchronous Boost Converter with 1.2A Dual High Side LED Drivers and I2C-Compatible Interface

  • Dual High Side Current Sources
  • Grounded Cathode Allowing for Better Heat Sinking and LED Routing
  • >90% Efficiency
  • Ultra-Small Solution Size: < 23mm2
  • Four Operating Modes: Torch, Flash, LED Indicator and Voltage Output
  • Accurate and Programmable LED Current from 37.5mA to 1.2A
  • Programmable 4.5V or 5.0V Constant Output Voltage
  • Hardware Flash and Torch Enable
  • LED Thermal Sensing and Current caleback
  • Software Selectable Input Voltage Monitor
  • Programmable Flash Timeout
  • Dual Synchronization Inputs for RF Power Amplifier Pulse Events
  • Open and Short LED Detection
  • Active High Hardware Enable for Protection Against System Faults
  • 400kHz I2C-Compatible Interface
  • 16-Bump (1.7mm × 1.7mm × 0.6mm) micro SMD

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Evaluation Board for the LM3544


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Technical documentation
User guides (1)
Title Type Size (KB) Date
PDF 1503 23 Jul 2013
More literature (1)
Title Type Size (KB) Date
PDF 38 02 Jan 2019

Software development (1)

TI Devices (1)

Part Number Name Product Family
LM3554  Synchronous boost converter with 1.2A dual high side LED driver and I2C compatible interface  LED drivers 

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