High Power LED Driver (3.0A @ 18-26V)


Design files


This design is a LED driver for automotive applications. It has dimming capability (60 Hz @ 0.1-4ms on-time) and is thermally designed to work with a maximum duty cycle of 25%.

Output voltage options PMP8522.1
Vin (Min) (V) 6
Vin (Max) (V) 18
Vout (Nom) (V) 22
Iout (Max) (A) 3
Output Power (W) 66
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Non Sync
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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.

SNVU221.PDF (1345 K)

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

SNVR193.PDF (62 K)

Detailed schematic diagram for design layout and components

SNVR194.PDF (16 K)

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


Includes TI products in the design and potential alternatives.

Illumination LED drivers

LM3423N-channel controllers for constant current LED drivers with series DIM FET driver and fault flag

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP8522 Test Results Feb. 22, 2013

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