Boost Converter for 2 LED Strings

(ACTIVE) PMP10521

Description & Features

Technical Documents

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View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


Description

PMP10521 is a boost converter for LEDs which utilizes the LM5020-2 controller.  The switching frequency is set to 100 kHz for high efficiency at a nominal output power of 18.5W. The design features switch current limiting, output over-voltage limiting and summing feedback for multiple LED strings. Constant current regulation allows for wide variation of output voltage.

Features
  • Constant current output
  • Summing feedback for multiple strings
  • Allows for wide variation of output voltage
  • Output over-voltage limiting
  • Cycle by cycle switch current limit
  • Synchronizable to external clock
  • Thermal shut down protection
  • Programmable input under-voltage lockout

 


 


View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




TI Devices (1)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM5020  13-100V Wide Vin, Current Mode PWM Boost Controller  Step-Up (Boost)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 1229 01 Apr 2015 16
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 145 01 Apr 2015 13
ZIP 424 01 Apr 2015 8
PDF 229 01 Apr 2015 8
PDF 79 01 Apr 2015 7
PDF 104 01 Apr 2015 7
PDF 114 01 Apr 2015 12


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