Compact, High Efficiency, 30 W Reference Platform, Supporting
Contents
1. e t 00000 All 0DODO pa 00000 O t Da H bd 98051 rL Ce J 18333 TZ EMZ 4492 50000000 00000 AA amp gt 4 G e ele o elele o of f O00000 jejejejejeje 0000 M e Table 1 EVALUATION BOARD SPECIFICATIONS errante Ja T n Om puso z v REES EES EC v owes JR Y owce _ AE RNE zm omore _ REESEN CTS AE m w Eny _ _ _ _ L C T T s PT x _ ON Semiconductor Components Industries LLC 2012 1 Publication Order Number January 2012 Rev 1 EVBUM2029 D NCP1083WIRGEVB Table 2 BOARD CONNECTOR DESCRIPTION C s esate 1 risa nication towards sema processor EEER CECR 7 8 Vaux Postve AviiaryinpuSuppy SSS 8 10 Vaux ano Ain np Spy Ground SSS eV Regulated Out SSS 3 fev eouiated Out Jeno Reguates ups DS CI CTC S en Regulates oupst SSS Powering Up and Testing the PoE DC DC Converter 1 Connect a load to the output connector Jout 1 2 3 is 12 V and Jout 4 5 6 is ground The load may range from 0 to 30 W 2 When using the Power over Ethernet input connect a lab supply or IEEE802 3at compliant PSE equipment to one of the power over Ethernet inputs pair connections Between connector P1 pin 3 and 4 for regular efficiency polarity can be chosen freely Between connector P1 pin 5 and 6 for increased efficiency polarity can be chosen freely 3 When using the a2. Designator Qty Description Value Tolerance Part Number Allowed Free NC U1 1 Power over NCP1083 TSSOPEP20 ON Semiconductor NCP1083DEG No Yes Ethernet controller Cbias1 Cfl 2 Capacitor 100 nF 50 V 10 0805 C S Walsin 0805B103K500CT Yes Yes SMD Cline 2 Capacitor 100 nF 100 V 10 1206 C AVX 12061C104KAT2A Yes Yes Cpd1 SMD Csn1 1 Capacitor 100 pF 200 V 10 0805 C S AVX 08052A101JAT2A Yes Yes SMD Cfb1 1 Capacitor 12 nF 50 V 10 0805 C S AVX 08055C123KAT2A Yes Yes SMD SMD Cvddh 1 Capacitor 2 2 uF 16 V 0805 C S AVX 0805YC225MAT2A Yes Yes SMD Cgnd 1 Capacitor 2200 pF 2 kV 10 1812 Walsin 1812B222K202LT Yes Yes SMD Cvddl 1 Capacitor 470 nF 50 V 10 0805 C S AVX 08055C474KAZ2A No Yes SMD Csn2 1 Capacitor 470 pF 200 V 10 0805 C S AVX 08052C47KJAT2A Yes Yes SMD Css 1 Capacitor 47 nF 50 V 10 0805 C S AVX 08055C473KAT2A Yes Yes SMD SMD Cpd2 Cpd Electrolytic 100 uF 63 V CRD10 0L17 0R Hitano EXR101M63 Capacitor M5 0 Capacitor 10 uF 20 V 10 C TANT B TAJB106K020R Polar Cout Capacitor 33 1 25 VI 10 C TANT E TPSD336K025R0100 Cout1 Polar 100 mR PoE Plus SM 00123 EFD20 NUFLUX SM 00123 Transformer SMD BAS16HT1G SOD323 ON Semiconductor BAS16HT1G Switching Dbw Dgate Diode Daux1 2 Schottky MBR20H100CTG TO 220AB ON Semiconductor MBR20H100CTG Dsec Rectifier So e SMD Ultrafast 03 ON Semiconductor MURS120T3G Rectifiers Dbr1 Dbr2 SMD Schottky Mid 03 ON Semiconductor MBRS1100T3G No Yes Dbr3 Dbr4 Rectifier Dbr5 Dbr6 Zl
3. cae I Csn2 vi x 2 RI Cline Figure 5 Silkscreen Front eo M 2 d0 T Indq D Sda D fidA D Ee O tO s Ibq9 Cu IneA In29 jl mea C2Ispig SPL3 SPRS cu SS oo go n Jm deuaot lt rebA I ere 226 59 138b9 So o Iteba II Ibbv3 lI teeidd x 22 Figure 6 Silkscreen Back http onsemi com 3 NCP1083WIRGEVB pus OCND AND Loi 76144 ayes Wees I AMT 400TT N pasn aq TIM ISH soy pue d A TISA UIAA ISO Jo mo syusuodurod jo jag auo ATU m BEACH aod UNO pasn st Lag TAQA lt 1qzZ Luz O TO pue 919 siqa jo no syu uoduro Jo 398 uo TUO x uy lt Z cadiazer IL En SLI9IZSININ SLI9IZSININ enz c sesaa E pee N6 cua AS6F C NTT pxneay V 4 1 1087Sd IMT OEE TUSY DELOTISANMIN MIs EE zept E e E Pe i i x uama DOOIHOZAEN ot 80IdON am DELVOOTENSI In et PE a J ACI NOZ mor qND qND S DELOOTISUEN DELOOTISAEN MOA di VE H001 WUOOT AST MEE a A INOF TI AOOT 00T A 9MOOI a ae Ipd5 ed l Ioyiovdus gn g9 8uts e Aq paxe da1 aq ue I no 2 pue mo e Q C xneA A007 d0Lp DEE cus TTO0 NS SL DELOOTISAAN DELOOTISAEIA UNO A9TMTTZ DILH9ISVE KINN AMA SL GREA qd Kar Figure 7 Schematic onsem Com http NCP1083WIRGEVB Table 3 Bill of Materials Substitu Manufacturer tion Pb
4. NCP1083WIRGEVB Compact High Efficiency 30 W Reference Platform Supporting Wide Auxiliary Input Voltage with the ON Semiconductor NCP1 083 Evaluation Board http onsemi com User s Manual EVAL BOARD USER S MANUAL Board Details The NCP1083WIRGEVB implements a PoE module e ural DC DC converter that converts the higher voltage one the in bead e Jk Ethernet cable to a lower voltage 12 V with power levels z up to 30 W Detection classification and power up sequence is implemented according to IEEE802 3at D4 The board also supports getting its power from and auxiliary input in case PoE network is not available Auxiliary input voltage may be as low as 9 V The isolated flyback DC DC converter design is optimized to support a very wide input voltage range 9 V to 57 V without compromising the overall efficiency 000 DEEN TE Warnings mandi TS tros A 00000000 Close to the switching MOSFET voltages on the board Ola may exceed 200 V 250 kHz Temperature of board and 1ts components may exceed 85 C during normal operation The Evaluation board was designed to operate correctly under these conditions The input voltage should never exceed 57 V nor should the evaluation board be loaded for long duration with loads higher than the specified 30 W Exceeding the specified input and output values could permanently damage the Figure 2 Back Side of EVB board ed d ER F D 7 Q 4
5. able copyright laws and is not for resale in any manner PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT N American Technical Support 800 282 9855 Toll Free ON Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 S Fax 303 675 2176 or 800 344 3867 Toll Free USA Canada Japan Customer Focus Center For additional information please contact your local Email orderlit onsemi com Phone 81 3 5817 1050 Sales Representative EVBUM2029 D
6. circuit and specifically disclaims any and all liability including without limitation special consequential or incidental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application Buyer shall indemnify and hold SCILLC and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part SCILLC is an Equal Opportunity Affirmative Action Employer This literature is subject to all applic
7. ine 1 SMD TVS 1SMA58AT3G ON Semiconductor 1SMA58AT3G Yes Yes Zener Multicomp SMAJ58A Ztvs 1 SMD TVS 1SMB100AT3G 403A 03 ON Semiconductor 1SMB100AT3G Yes Yes Zener Multicomp SMAJ58A EMO SMD Zener MM3Z3V3ST1G SOD323 ON Semiconductor MM3Z3V3ST1G Zvaux Zbr3 Zbr4 SMD Zener MMSZ16T1G SOD123 ON Semiconductor Semiconductor MMSZISTIG JOT Header 6 Pin 6 Pin Header6 6 pe 8614 00 36 1 sa 10 10 E 8614 00 36 1 a 10 10 Pin Drum Core 10 uH 3 A 10X12 Prismatic 9404037403 Choke Q1 1 MOSFET FDP39N20 TO 220 AB Fairchild FDP39N20 No Yes N Channel Q4 1 MOSFET FDS3992 SO 8 Fairchild FDS3992 No Yes N Channel PNP http onsemi com 5 NCP1083WIRGEVB Substitu Manufacturer tion Pb Designator Description Value Tolerance Part Number Allowed Free NC High Isolation PS2801 1 F3 A SSOP4 PS2801 1 Voltage SSOP Photocoupler Programmable TL432BIDBZTG4 SOT23 Texas Instruments TL432BIDBZTG4 Shunt Voltage Reference e sess no IL wes Leer oe me m reo rs wan Leen oe ve reel me eleng wan Leen oe e reel rs wen Lee oe ve IE z EA oe v IC wan waman oe ve Ch Preso e mens ve ver ve Je 1 Rosc Resistor SMD 182 kQ 0805 R S Walsin WR08X1823FTL Rbias2 Resistor SMD 1 MQ 19 0805 R S Walsin WR0O8X1004FTL IN T 555 nes CO zna m me we wenn e rs reso ee w eee wan Leen
8. oe e reo ose rs wan waman oe ve reno ze Is leng wen Lesen oe ve ri reo a rs eran e ve reo ae es wes Leen oe e KEE PC E DM A EE C Rdet Resistor Resistor SMD 475 TR 19 0805 R OB0E R S Weien WROBX4753FTL MEN e Resistor SEN 5 1 0805 R enee Rbias1 Rsl ieee 1 Rbw Rsn2 Rsn2 Resistor Resistor SMD en Q 0805 R oons x Win WROBX750JTL Resistor SMD RC0805FR 07845RL SMT Current SMD Coilcraft CST2 050LB Sensors CST Series A10 220 Type Custom 25 mm copper heat see drawing A sink 14 5 mm L Type Mosfet Custom copper heat see drawing sink L Type Diode Custom copper heat see drawing sink HA AAA A A YA O AA w w j O SE Capacitor 0805 0805 05 S 16 V w mana m E A SE Rbr1 Rbr2 Resistor Q2 Q3 2 P Channel Si7113DN POWERPACK 30 V D S 1212 8 MOSFET NOTE Only one set of components out of Dbr5 Dbr6 and Q2 Q3 Zbr1 Zbr2 Rbr1 Rbr2 is used http onsemi com 6 NCP1083WIRGEVB ON Semiconductor and W are registered trademarks of Semiconductor Components Industries LLC SCILLC SCILLC reserves the right to make changes without further notice to any products herein SCILLC makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does SCILLC assume any liability arising out of the application or use of any product or
9. uxiliary input connect a lab supply or any other available DC source to connector P1 pin 7 8 for the positive node and pin 9 10 for ground 4 The DC DC converter shall start working as soon as detection and classification is completed in PoE powered mode or as soon as power is applied on the auxiliary input 5 Measure the output voltage to be 12 V and that ripple or noise on the output is within the specification 6 DC DC converter stability can be briefly checked by switching on and of repeatedly the load and monitor the voltage transients on an oscilloscope there should be no oscillation on the output voltage NOTES 1 Only apply power to either one of the PoE input pairs or the auxiliary input supply not at 2 or 3 inputs at the same time although this should not result in damage to the board 2 The heat sinks on the board are dimensioned to cope with the extreme input currents when the lowest auxiliary input voltage of 9 V is used 3 The auxiliary input supply circuitry was designed to operate from 9 V Although the board supports higher auxiliary input voltages up to 57 V it is advisable to tune the Raux1 3 resistors when higher input voltages are used for long duration in order not to generate excess heat in the clamping diodes Zaux1 2 see NCP1082 3 PoE Auxiliary Supply Applications pdf http onsemi com 2 NCP1083WIRGEVB LAYOUT AND SCHEMATIC NCP1083WHIREUB REVUI 1 Rtb4 D Rtb2 a U v H GND Dgate
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