7.5-W, 1.25-A, Automotive Buck LED Driver Reference Design With Analog and PWM Dimming
PMP15004
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Description & Features

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Key Document

Description

This TI design showcases a TPS92515HV-Q1 small form factor LED driver 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 results in a simple and cost-effective lighting solution. 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 60V

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP15004.1
(Output Voltage 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-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Integrated Switch

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS92515  42-V 2-A LED driver with integrated NFET, high-side current sense, and shunt PWM dimming capable  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
TPS92515-Q1  42-V automotive 2-A shunt-PWM dimmable LED driver with Integrated NFET and current calibration  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
TPS92515HV  65-V 2-A LED driver with Integrated NFET, high-side current Sense, and Shunt PWM dimming Capable  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
TPS92515HV-Q1  65-V automotive 2-A shunt-PWM dimmable LED driver with Integrated NFET and current calibration  LED drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS92515 Download Download
TPS92515-Q1 Download Download
TPS92515HV Download Download
TPS92515HV-Q1 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 8631 27 Oct 2016
Design files (6)
Title Type Size (KB) Date
ZIP 213 25 Oct 2016
ZIP 363 25 Oct 2016
PDF 428 25 Oct 2016
PDF 130 25 Oct 2016
PDF 70 25 Oct 2016
PDF 178 25 Oct 2016

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