TIDM-RGB-LED

Multi-String RGB LED Lighting Driver based on C2000™ MCU

TIDM-RGB-LED

Design files

Overview

Ideal for automotive, entertainment, retail, and decorative lighting applications, the Multi-String RGB LED Lighting design implements independent multi-string LED control with dimming and color mixing. The LED driver consists of 8 independent and digitally controlled DC/DC power converters driving 8 LED strings.

Features
  • Independently drive up to 8 LED strings, including light color mixing with RGB LED strings.
  • Suitable design reference for color or white LED applications. DC/DC LED driver power supply consists of 6 Boost DC/DC converters for driving red, green, and blue LED strings and 2 SEPIC DC/DC converters for driving white LED strings.
  • DC/DC LED driver power supply supports 12 – 18 VDC (nominal) input and 50 mA max driver current per string
  • Over-current protection to protect board components from damaging current levels
  • Precise LED dimming control, and robust RGB LED color mixing made possible by the C2000™ Piccolo™ TMS320F28027 microcontroller.
  • LED lighting reference platform is available for purchase and includes hardware platform, software examples and libraries, graphical user interface (GUI), technical application notes, and step-by-step theory-based user guides.

NOTE: Software for this board is located inside the controlSUITE™ software package. Download controlSUITE at https://www.ti.com/tool/controlsuite. Once installed, navigate to "Multi-DC/DC Color LED Kit" under the Development Tools -> Lighting section.

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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.

TIDRAT3.PDF (263 K)

Detailed schematic diagram for design layout and components

TIDRAT4.PDF (46 K)

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

TIDC656.ZIP (1543 K)

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

TIDRAT5.PDF (329 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

C2000 real-time microcontrollers

TMS320F28027C2000™ 32-bit MCU with 60 MHz, 64 KB flash

Data sheet: PDF
C2000 real-time microcontrollers

TMS320F28027-Q1Automotive C2000™ 32-bit MCU with 60 MHz, 64 KB flash

Data sheet: PDF
Digital isolators

ISO7240CQuad-channel, 4/0, 25-Mbps digital isolator

Data sheet: PDF | HTML
Digital isolators

ISO7242CQuad-channel, 2/2, 25-Mbps digital isolator

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS730200-mA, low-dropout voltage regulator with enable

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS795500-mA, low-dropout voltage regulator with enable

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS799200-mA, low-IQ, low-dropout voltage regulator with low-noise & enable

Data sheet: PDF | HTML
Low-side drivers

UCC27324Non-inverting 4-A/4-A dual-channel low side gate driver

Data sheet: PDF | HTML
Power modules (integrated inductor)

PTH08080W2.25 A, 4.5-V to 18-V Input Wide Adjust Miniature Power Module

Data sheet: PDF
Precision op amps (Vos<1mV)

OPA2350Dual single-supply, rail-to-rail, high speed, low-noise operational amplifier

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Application note Multi-DC/DC Conversion & Color LED Control Integrated on a C2000 Microcontroller Feb. 01, 2012
User guide Multi-DC/DC Color LED Kit Hardware Reference Guide Nov. 01, 2010
User guide Multi-DC/DC Color LED Kit Quick Start Guide Nov. 01, 2010

Related design resources

Software development

DRIVER OR LIBRARY
CONTROLSUITE controlSUITE™ Software Suite: Software and Development Tools for C2000™ Microcontrollers

Support & training

TI E2E™ forums with technical support from TI engineers

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