80V dc Input, 2-Channel, 350mA LED Driver (10V to 60V String)


Design files


This reference design contains two duplicate LED drivers. Each circuit drives a 10V to 60V series connected string of LEDs at 350mA. The input range is 70VDC to 90VDC. 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.

Output voltage options PMP4154.1
Vin (Min) (V) 70
Vin (Max) (V) 90
Vout (Nom) (V) 60
Iout (Max) (A) .35
Output Power (W) 21
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- Non Sync

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

SLUU958.PDF (1473 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

SLUR903.PDF (104 K)

Detailed schematic diagram for design layout and components

SLUR902.PDF (29 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

SLUC363.ZIP (171 K)

Design file that contains information on physical board layer of design PCB

SLUU961.PDF (152 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Boost controllers (external switch)

TPS402104.5~52V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller

Data sheet document-pdfAcrobat PDF open-in-new HTML
Current sense amplifiers analog output

INA193-16 to 80V, 500kHz current sense amplifier

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

No results found. Please clear your search and try again.
View all 1
Type Title Date
Test report PMP4154 Test Results May 14, 2012

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​