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User’s Manual

EZ-0007

uPD168804 Buck converter HBLED Evaluation board

RK-UD-09-0062

Data Published March 2009

© NEC Electronics Corporation

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Summary of Contents for uPD168804

Page 1: ...User s Manual EZ 0007 uPD168804 Buck converter HBLED Evaluation board RK UD 09 0062 Data Published March 2009 NEC Electronics Corporation 1 16 ...

Page 2: ...0007 Packaging List Item Number 1 This board ET D168804Buck 0001 1 2 User s Manual English 1 3 User s Manual Japanese 1 4 Table of Toxic and Hazardous Substance and Elements 1 5 Spacer 4 2 16 RK UD 09 0062 ...

Page 3: ...liminated entirely To minimize risks of damage to property or injury including death to persons arising from defects in NEC Electronics products customers must incorporate sufficient safety measures in their design such as redundancy fire containment and anti failure features z NEC Electronics products are classified into the following three quality grades Standard Special and Specific The Specifi...

Page 4: ...on is not observed Danger Warning Caution The following symbols express matters which are prohibited in order to prevent injury or accident General prohibition The action mentioned is prohibited Do not touch Touching the specified location may cause injury Do not disassemble Disassembly may cause a problem such as electrical shock or product failure Keep away from water Use near water poses the ri...

Page 5: ...duct failure generation of heat fire or rupture Do not carry this board with connecting AC adapter and any cable Doing so may cause damage of cable and cause product failure generation of heat fire or electric shock Do not use this board in the purpose except the evaluation of Driver IC This board does not take safety measures or anti EMI measures required for lighting equipment Use this board wit...

Page 6: ... or product failure In case liquid enters the board cut the power supply and consult your dealer or NEC Electronics sales representative Even if the unit appears to be dry internal moisture may remain Do not touch LEDs on this board directly Doing so may cause product failure To prevent static electricity damage guard against energizing when touching metal parts such as the connector Static electr...

Page 7: ...Table of contents Chapter 1 Overview 8 Chapter 2 Specification 9 Chapter 3 How to use 13 Appendix A Revision History 15 7 16 RK UD 09 0062 ...

Page 8: ...es of this board The features of this board is as follows 4ch LED driver IC uPD168804GA Buck converter topology Possible to use only single DC12V power supply Four LEDs are mounted Lumileds K2 R G B W MCU interface connector enable for easy dimming evaluation by PWM 1 2 Support Modes This board has two modes stand alone mode and MCU control mode Stand alone mode By setting DIP switch it is possibl...

Page 9: ...ace appearance TOP View Connector for MCU control mode DC plug for AC adapter Board name DC5V supply for MCU board DIP switch Be careful to burns The part of board especially the area enclosed with dot line becomes high temperature Warning 9 16 RK UD 09 0062 ...

Page 10: ...lly the area enclosed with dot line becomes high temperature Do not look LEDs on this board directly Doing so may cause weakening eyesight Use this board so that LED mounting surface becomes the lower the back Warning Do not touch LEDs on this board directly Doing so may cause product failure Caution 10 16 RK UD 09 0062 ...

Page 11: ...mum range 9V to 16V Output current more than 2A Connecter match to the plug shown in figure 2 Type Switching regulator type with over current protect circuit Do not use AC adapter whose output voltage is guaranteed only when rated load current flows DC power supply Output voltage DC12V recommend maximum range 9V to 16V Output current more than 2A Connecter match to the plug shown in figure 2 Use A...

Page 12: ...es to OFF Table2 Connector pin assign Pin Name Function MCU pins Note1 1 EN ENABLE signal input ANI5 P25 CMP1 2 CH0Note2 PWM input for CH0 dimming P31 TOX00 INTP2 TOOLC 3 CH1Note2 PWM input for CH1 dimming P32 TOX01 INTP3 TOOLD 4 CH2Note2 PWM input for CH2 dimming P33 TOX10 5 CH3Note2 PWM input for CH3 dimming P34 TOX11 6 SH Thermal Shutdown detect signal output P00 TI000 INTP0 7 GND GND VSS Note1...

Page 13: ...hen start evaluation 1 Turn ENABLE bit and CH0 CH3 bit of DIP switch to OFF 2 Plug AC adapter or turn on DC power supply 3 Connect DC power to DC plug of this board 4 Turn ENABLE bit of DIP switch to ON 5 Turn CHn bit of DIP switch to ON 3 1 2 When stop evaluation 1 Turn CH0 CH3 bit of DIP switch to OFF 2 Turn ENABLE bit of DIP switch to OFF 3 Unplug DC power from DC plug of this board 4 Unplug AC...

Page 14: ...ing DALI or DMX communication connect all cables before power is supplied 4 Connect MCU board to PC by USB cable 5 Program software to MCU 6 Evaluation by running MCU 3 1 2 When stop evaluation 1 Stop MCU operation 2 Unplug DC power from DC plug of this board 3 Unplug AC adapter or turn off DC power supply 4 remove all cables In case of using 78K0 IA2 PWM evaluatin board and power of MCU board is ...

Page 15: ...Appendix A Revision History Revision Modified Points Page Rev 1 0 15 16 RK UD 09 0062 ...

Page 16: ...ahara ku Kawasaki Kanagawa 211 8668 Japan Tel 81 44 435 5111 http www necel com Technical Support Power Management Device Division NEC Electronics Tel 81 44 435 1592 Multipurpose Microcomputer System Division NEC Electronics Tel 81 44 435 9452 Data Published March 2009 16 16 RK UD 09 0062 ...

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