Security E

THAN0165_Rev.2.00_E

THine Electronics, Inc.

1/6

Copyright(C)2015 THine Electronics, Inc.

THL3503 Evaluation Board (THEVAL3503)

16-channel LED Driver with LVDS Interface

Overview

TheTHL3503isanLEDdriverwith16channelconstant

currentsinkoutputs.Theconstantcurrentvaluesfor threeoutput

groupsaredeterminedbyexternalresistors.

TheembeddedoscillatorandPWMcontroller individually

generates256-stepbrightnesssetbythe dedicatedregistersfor

eachchannel.

Theserialinterfaceof2-pairLVDSlines(clockand data)features

high-levelnoisetolerance,high-speed,and long-distance

transmission.

TheLVDSallowingcascadedandmulti-dropconnection offers

themaximumflexibilityfordesignerstoplaceand connectLED

drivers.

Thesimpleandone-waycommunicationprotocolis

easily-controlledandrequireslessCPUresources.

Applications



Amusement



LEDBacklight



LEDDisplay



DigitalSignage



Illumination

Features

<Driverpart>

-ConstantCurrentOutput:16channels

-OutputSinkCurrent:upto40mA/ch

-Outputvoltage:upto40V

-IndividualBrightnessControl:256steps

-GroupBrightnessControl:64steps

-Outputdisable/enable

<Serialinterfacepart>

-2-pairSerialLVDSInputor3-wireSerialCMOSInput upto

10Mbps

-BridgeFunctionConverting3-wireSerial CMOSInputto

2-pairSerialLVDSOutput

-Repeaterfunctionof2-pairSerialLVDSInput/Output with

WaveformandTimingCorrection

-DeviceAddressSelectionupto62addresses

-Generalcalltoalldevices

<ProtectionCircuits>

-UVLO,OvercurrentProtection,ThermalShutdown

-SupplyVoltage:3.0~5.5V

-Package:QFN40-pinExposedPad

Description

Figure 1 Board Overview