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Automotive LED Sequential Brake/Turn Light Reference Design

This project provide Automotive LED Sequential Brake/Turn Light  in DesignSparkPCB format.

This TI Design utilizes a TLC6C5912 shift register operated via two 555 timers integrated in the TLC556 device, showcasing a cost effective solution for rolling LED system design. This design can also withstand automotive cold crank conditions capable of full operation at 5V, with the ability to operate down to 3.3V.

Features
  • LED patterns remain periodic while still adjustable by the user  - Flexibility in number of LED s used
  • No MCU or Software required - Cost effective solution helping with production release time
  • Thermal Shutdown protection integrated in TLC6C5912-Q1  – Avoid overheating and damaging the IC.
  • Slow swithcing time: rise time=207ns fall time=128ns – Helps significantly with reducing EMI

Schematic

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PCB Layout

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3D View

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BOM list of the board (Key Components):

Manufacturer Part Number

Manufacturer

Description

RS Part number

TLC556ID

Texas Instruments

Dual LinCMOS(TM) Timer

  (662-4687)

1N4148W-7-F

DiodesZetex

Diode

  (738-4728)

 For the full BOM list, please download in the Download section.

What is DesignSpark PCB format?

DesignSpark PCB is an award-winning software package for schematic capture and PCB layout, available for FREE from RS Components. Our software is easy to learn and use yet surprisingly powerful. DesignSpark PCB is now widely adopted in the industry as a standard format for design file sharing and collaboration. This is especially useful in the prototyping phase where most of the innovation takes place. Not yet a DesignSpark PCB user? 

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