PMP15004

7.5-W, 1.25-A, Automotive Buck LED Driver Reference Design With Analog and PWM Dimming

PMP15004

Design files

Overview

This reference design showcases a small form factor LED driver (TPS92515HV-Q1) optimized to drive two LEDs for a fog light design. The buck topology is implemented as a direct-to-battery, single-stage LED driver which is simple and cost-effective lighting. Additional design flexibility includes analog and PWM dimming support as well as cycle-by-cycle current limit and integrated thermal shutdown protection. EMI filtering has been included and designed to meet CISPR-25 Class 3 conduction requirements.

Features
  • Optimized for fog lights and other small form-factor LED lighting applications
  • CISPR-25 tested EMI
  • Stays out of AM band
  • Analog and PWM dimming
  • Supports load dump up to 60 V
Output voltage options PMP15004.1
Vin (Min) (V) 6
Vin (Max) (V) 30
Vout (Nom) (V) 6
Iout (Max) (A) 1.25
Output Power (W) 7.5
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Integrated Switch

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.

TIDUC94.PDF (8701 K)

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

TIDRO45.PDF (178 K)

Detailed schematic diagram for design layout and components

TIDRO46.PDF (70 K)

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

TIDRO47.PDF (130 K)

Detailed overview of design layout for component placement

TIDRO49.ZIP (363 K)

Files used for 3D models or 2D drawings of IC components

TIDCCR9.ZIP (213 K)

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

TIDRO48.PDF (428 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Automotive LED drivers

TPS92515-Q142-V automotive 2-A shunt-PWM dimmable LED driver with Integrated NFET and current calibration

Data sheet document-pdfAcrobat PDF open-in-new HTML
Automotive LED drivers

TPS92515HV-Q165-V automotive 2-A shunt-PWM dimmable LED driver with Integrated NFET and current calibration

Data sheet document-pdfAcrobat PDF open-in-new HTML
Illumination LED drivers

TPS9251542-V 2-A LED driver with integrated NFET, high-side current sense, and shunt PWM dimming capable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Illumination LED drivers

TPS92515HV65-V 2-A LED driver with Integrated NFET, high-side current Sense, and Shunt PWM dimming Capable

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

Technical documentation

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Type Title Date
* Test report 7.5-W, 1.25-A, Automotive Buck LED Driver With Analog and PWM Design Guide Oct. 27, 2016
Technical article LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016

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