55Vdc-80Vdc Input, 2-Channel, 350mA LED Driver (10V to 50V String)

(ACTIVE) PMP4791

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Description

This reference design contains two duplicate LED drivers. Each circuit drives a 10V to 50V series connected string of LEDs at 350mA. The input range is 55VDC to 75VDC. The TPS40210 boost controller is used in an "upside-down" buck topology for a simple, low-cost solution. This circuit includes an enable, PWM dimming, current trimming, and a current sense functions for interfacing with an external microprocessor.

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


  




Parametrics
 PMP4791.1
(Output Voltage 1)
Vin (Min) (V)55
Vin (Max) (V)75
Vout (Nom) (V)50
Iout (Max) (A).35
Output Power (W)17.5
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Non Sync

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
TPS40210  4.5~52V Wide Input Range Boost/SEPIC/Flyback DC-DC 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 1080 22 Feb 2012 13
Design files (2)
Title Abstract Type Size (KB) Date Views
PDF 29 22 Feb 2012 16
PDF 103 22 Feb 2012 12

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