Advanced Dimming Capable Buck LED Driver Reference Design for Industrial IR LED Applications
PMP15022
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Key Document

Description

This TI Design showcases a TPS92515 small-form factor LED driver optimized to drive up to 5 infrared (IR) LEDs for industrial cameras and other general lighting designs. It can drive up to 1A through LED loads of up to 9.5V from a 24V input source. The buck topology is implemented as a secondary-stage LED driver which offers a simple, high performance and a cost effective lighting solution. Additional design flexibility includes analog and PWM dimming (including shunt FET dimming) support as well as EMI filtering designed to meet FCC part 15 class B conduction requirements.

Features
  • Optimized for infrared LEDs and other small form factor LED lighting applications
  • FCC part 15 class B tested EMI
  • Small inductor size (4mm X 4mm)
  • Analog and PWM dimming
  • Supports high frequency shunt FET dimming up to 30 kHz

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP15022.1
(Output Voltage 1)
Vin (Min) (V)21
Vin (Max) (V)27
Vout (Nom) (V)9
Iout (Max) (A)1
Output Power (W)9
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Non Sync

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
SN74LVC1G17  Single Schmitt-Trigger Buffer  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TPS92515  2A LED driver with integrated NFET, high-side current sense, and shunt PWM dimming capable  LED drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
SN74LVC1G17 Download -
Download -
Download Download
Download Download
Download
Download Download
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TPS92515 Download Download

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Technical Documents

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Datasheet (1)
Title Type Size (KB) Date
PDF 1390 16 Aug 2016
User guides (1)
Title Type Size (KB) Date
PDF 8641 30 Jan 2017
Design files (6)
Title Type Size (KB) Date
ZIP 396 01 Feb 2017
ZIP 297 01 Feb 2017
PDF 407 01 Feb 2017
PDF 73 01 Feb 2017
PDF 59 01 Feb 2017
PDF 177 01 Feb 2017

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