User Guide for FEBFCM8531_B01H300A Evaluation Board
Contents
1. B25 85 3435 K 3 17 6395 17 1678 16 m 14 5135 129166 2 2133 11 702 10 6441 10 5422 9 5585 11 3297 10 2138 o uos2 mos os 46 3 o o o 3 82 3 85 ee 2012 Fairchild Semiconductor Corporation 33 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD Dimensions 30 0 2012 Fairchild Semiconductor Corporation EEG 88 R 301SN C49 Standard IEC 60320 C14 Rating 15A 250V AC 10A 250V AC Insulation Resistance 100MO 500V DC 1 minute Dielectric Strength 2000V AC 1 minute Housing Material Thermoplastic 94V 2 V 0 Nu Figure 31 34 i I e ce 1 he AS h 2 U PANEL CUT OUT ua Ex per er L 70 70 Ka K N lt m a asd ve NX Te e 2 ra PCB LAYOUT AC Inlet FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD OTC 21 EMI FILTER Optimum Toroid Chokes A New Products For Super Power Mechanical Dimension UNIT mm 2 GROOVES BOBBIN 22 0 Max 90 8 TOLERANCE 1 a O lt L lt 2 02 2 L 12 0 4 12 lt L lt 48 06 4 Pin Pitch 0 5 Pin Diameter 0 2 810 Max 21 0 Max K Bez 00 8 TOLERANCE O lt L lt 2 0 2 2 L 12 0 4 10 12 lt L lt 48 0 6 Pin Pitch 0 5 4 Pin Diameter O 2 ET yu N G PAT US 6 121 696 J 3060520 ZL 98 2 47924 9 TW164060 EX FRA A FR Z 5 YU JING TECHNOLOGY CO LTD Tel 02 2672 3910 S EIE2. 1 99wszs T AE Figure 21 Static Startup 2012 Fairchild Semiconductor Corporation 22 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 6 Thermal Test Test Condition Input Voltage 220 Vac 20 50 Hz Result 100 C protection without heat sink Figure 22 SPM Thermal Image 7 7 Electromagnetic Interference Test Conduction Only Test Condition 220 Va c 60Hz 300 rpm 9 kHz Marker 1 E SE ae SO A S 8 di 150 000000000 30 MAR 20 12 Figure 23 Line Mode 2012 Fairchild Semiconductor Corporation 23 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 8 Appendix 8 1 Circuit Diagrams PC M0168B1_PWR PC M0168B1_PWR Sch PFC_GND PC M0168B1_CTRL PC M0168B1_DRV PC M0168B1 CTRL Sch PC M0168B1 DRY Sch eas gio 100 m FAIRCHILD Pll Tx P10 Rx s SE P Ts SEMICONDUCTOR Fairchild Semiconductor PCT E READER 2x2 FCM 8531 EVB Board Size Number Revision A4 Date 26 Mi ECH SEES SE x Controller penega nucis EEEE CMD DIR PAD 9 FAIRCHILD ww Fairchild Semiconductor PCT Title FCM 8531 EVB Board Figure 25 Controller Schematic Diagram 2012 Fairchild Semiconductor Corporation 24 FEBFCMS8531 B01H300A Rev 1 0 4 FAIRCHILD Driver Circuit 15V Near SPM C29 C30 3 3uF 25V 0 luF 50V VSu VBv 1 3 3uF 25V O luF 50V VSv D12 VBw1 FAIRCHILD SEMICONDUCTOR Fairchild Semiconductor PCT Title FC
3. 4 117 V Utilities Help Zoom ici P imax C1 5 02 v d d a 5 00 ms div Stop Trama 20 MSisfEdge Negative 4 23 2012 5 22 17 AM P5 freq C1 P6 freq C3 1 00 MS Short Circuit Protection Cycle by Cycle Current Protection Input Voltage 220 Vac 50 Hz CH1 SU CH2 SV CH3 SW CH4 IN File vertical Timebase Trigger Display Cursors Measure IB Analysis Utilities Help l Measure value 475 620 us E 1 P1 fall C1 P2 fall C 2 P3 max C3 4 283 us 3 482 V status A Figure 19 2012 Fairchild Semiconductor Corporation 21 P4 max Cc1 P5 freqic1 3 784 V 72 515208 Hz w A 10 0 ms divk Stop 1 00 MS 10MSislEdge x1 7 1096 ms gt P amp freq C3 4 23 2012 5 04 15 AM Cycle by Cycle Current Protection FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 4 5 SPM Over Temperature Protection Test Condition Input Voltage 220 Vac 60 Hz CH1 SU CH2 SV CH3 SW CH4 IN File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help ES a a Measure P1 fall C1 P2fall C2 P3 max C3 P4 max C1 P5 freq C1 PB freq C3 value 320 4544 us 3 421 V 3 759 V 69 978810 Hz status d w rigger Wop 5 00 msidiv Stop 1 70 1 00 M8 20MS fsfEdge Negative X1 0 00 s 4 23 2012 6 16 04 AM Figure 20 SPM Over Temperature Protection 7 5 Startup Function Waveform Sample 7 5 1 Static Startup M 1 00 s CH3 SX CH4 HB Jz zooms
4. 3 57 30 AM Figure 13 U Phase Current 2012 Fairchild Semiconductor Corporation 18 FEBFCMS8531 B01H300A Rev 1 0 4 FAIRCHILD 7 3 6 V Phase Current CH1 Theta CH2 SV CH3 HB CH4 V Phase Current Undo Lei File vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Zoom LUN ALN LY LYN MN LY LM Measure P1 fall C1 P2 fall C2 P3 rise C3 P4 mean cy PS5 mean C3 P6 freq C3 value 470 249 us 4 279 us 13 527 us status R S w rigger CB 1 00 dis 5 00 div 1 00 div 10 0 ms divk Stop dod 0 0 mv ofst 5 200 ofst 0 0 mv ofst 1 00 MS 10 MSisf Edge Negative LeCroy 4 23 2012 4 00 18 AM Figure 14 V Phase Current 7 3 7 W Phase Current CH4 W Phase CH1 Theta CH3 HC CU ce File Display Cursors Measure Math Analysis Utilities Help Zoom Ke Measure P1 fall C1 P2fall c2 P3 risecCc 3 P4 mean c2 P5 mean C 3 P6 freq C3 value 186 184 us 4 374 us 13 025 us status w wi v 0 0 mV ofst 12 650 V 5 200 ofst 1 00MS 10MS sfEdge Negative LeCroy 4 23 2012 4 03 31 AM Figure 15 W Phase Current 2012 Fairchild Semiconductor Corporation 19 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 4 Protection Functions Tests Test Condition Input Voltage 220 Vac 60 Hz Specification Over voltage protection threshold is 440 Vpc reset is at 380 Vic 7 4 1 Over Voltage Protection Triggered CH1 VDC CH2 SU CH3 VSENSE CH4 Fault File Ve
5. Corporation 11 FEBFCMS8531 B01H300A Rev 1 0 4 FAIRCHILD 5 3 Applicable Power Range The evaluation board and pre programmed firmware are designed for a specific power range If different power rating is needed a few components and the firmware may need to be changed In addition the power capabilities of the AC DC rectifier including the EMI filter the SPM module and the motor need to be reconsidered AC DC The maximum power this evaluation board can deliver for the motor is 300 W at 220 Vac input measured at the three phase output terminals of the evaluation board This evaluation board is applicable for implementations below 300 W For higher power use of an external power source must be considered to avoid damage to the on board AC DC rectifier SPM The default SPM on this evaluation board is the FNB41060 In conjunction with the example source code delivered with the evaluation board it is able to drive a brushless DC motor with power consumption below 300 W at 310 VY nc If higher power is needed the SPM Rsyunr and the firmware may need to be changed to meet the power rating Two SPM packages are compatible with the FCM8531 evaluation board the SPM26L and SPM27L Follow the link below for more information on applicable SPM modules http www fairchildsemi com applications motor control integrated motor driver devices html The following link may be useful to simulate and determine which SPM module meets specif
6. 00 MQ min DIELECTRIC STRENGTH 1 000 Vrms min sea level OPERATING TEMPERATURE 30 C to 85 C MATERIALS CASE Diallyl phthalate DAP UL94v 0 ACTUATOR Brass chrome plated BUSHING Brass nickel plated HOUSING Stainless steel SWITCH SUPPORT Brass tin plated CONTACT TERMINALS Brass Silver or gold plated See Page 10 SEAL ROHS SOLDERING CONTACT MATERIAL MTM Uo He M dE TERMINATIONS M1 Solder Lug CONTACT M2 PC thru hole MATERIAL SEAL M3 Quick Connect E aed Bg rs i I o M5 1 18 70 high wire wrap G Gold puren M5 2 24 20 high wire wrap M5 3 10 55 high wire wrap M5 4 26 97 high wire wrap M6 Right angle PC thru hole M6N Right angle snap in PC thru hole M7 Vertical right angle PC thru hole VS2 11 68 high V bracket S Silver pure tin C Gold over silver K Gold over silver Duren V2N 11 68 high snap in V bracket VS3 16 00 high V bracket VS4 11 68 high V bracket VS5 16 00 high V bracket ROHS SOLDERING BUSHING O Rohs Compliant B1 8 89 high keyway thd std S Rohs amp Lead Free B2 B3 B4 B5 B6 B7 B8 B9 B11 B12 B13 B14 B15 B16 B17 B18 B20 B25 B26 37 Suzhou 86 512 65582561 62 Beijing 86 10 62130013 62137661 86 759 88703256 57 8 89 high keyway non thd F Halogen Free RoHS 7 10 high keyway thd 7 10 high keyway non thd 7 52 high flat torque 8 00 high keyway torque 8 89 high flat thd std 8 89 high keyway metric thd 7 5
7. 2 high flat splash proof 7 55 high keyway thd std 7 55 high keyway non thd 11 38 high keyway 15 32 bushing 11 90 high flat splash proof 7 55 high flat thd std 7 55 high flat nonsthd 3 50 high keyway 11 38 high keyway 15 32 bushing 11 38 high keyway 15 32 bushing 8 00 high keyway locking lever thd 8 00 high keyway locking lever non thd FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 10 Revision History Date Description Dec 2012 Initial Release Mar 2013 Change photo of EVB contents and motor descriptions in Figure 6 May 2013 Change the descriptions in section Caution and Figure 6 Jan 2014 Remove C32 and change the value of R26 in the BOM list May 2014 Change ER7 value and schematic WARNING AND DISCLAIMER Replace components on the Evaluation Board only with those parts shown on the parts list or Bill of Materials in the Users Guide Contact an authorized Fairchild representative with any questions This board is intended to be used by certified professionals in a lab environment following proper safety procedures Use at your own risk The Evaluation board or kit is for demonstration purposes only and neither the Board nor this User s Guide constitute a sales contract or create any kind of warranty whether express or implied as to the applications or products involved Fairchild warrantees that its products meet Fairchild s published specifications but does not guarantee
8. 222A SOT 23 EBC ici ZS 1 C47 1 4 D5 BD1 D7 L2 L3 TR1 W3 U5 U2 U6 F1 F1 CN6 JP3 U3 CN1 CN2 Q1 LE LE 10 kO NTC Thermal Resistor 600 V 1 0 A Ultra Fast Recovery Rectifiers VDR 144470 V PCB 176 115 mm 2 Layer 1 6 T Copper 2 oz Male Terminal UF4005 DO 214AC 55 56 57 58 59 61 62 63 64 65 7 6 MOV1 CN1 3 CN8 9 2012 Fairchild Semiconductor Corporation 28 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 9 Component Specification UNIT mm Figure 30 Tact Switch 2012 Fairchild Semiconductor Corporation 29 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 NTC Thermistor TTF Type 4 Edition TTF3A104H34D3AY KB080513 Page 7 R T TABLE R25 100 KOhm 3 B25 85 3435 K 3 Temperature Tol 1 0214810 27 6238 841 6324 92 969 2785 881 5638 920 0796 838 0877 762 7154 173 813 5022 797 0342 726 4477 72 829 9380 158 2528 602 1358 1 170 788 6508 721 6034 659 6618 749 6762 686 9556 628 9158 712 8704 654 1875 678 0991 623 1857 572 2037 645 2377 593 8439 614 1695 566 0634 521 2557 584 7858 539 7514 556 9853 514 8216 475 4215 530 6731 482 1657 447 5423 459 8104 427 3828 438 6226 408 2498 370 6382 418 5345 363 2421 399 4828 372 8339 347 6406 381 4081 356 4453 332 8165 364 2547 318 7016 347 9705 326 0663 305 2661 1 41 332 5065 311 9886 292 4734 317 8169 298 5982 303 8586 285 8577 2012 Fairchild Semiconductor Corporation 30 FEBFC
9. FAIRCHILD User Guide for FEBFCM8531 BO1H300A Evaluation Board PMSM BLDC Motor Control Board Featured Fairchild Product FCM8531 Direct questions or comments about this evaluation board to Worldwide Direct Support Fairchild Semiconductor com 2012 Fairchild Semiconductor Corporation FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD Table of Contents Hilo e e E 5 Jl 6 lt I 5 EM Hik RT u u uuu u ua manis 7 1 3 Applications ERR Leere eere rrr nenas 7 2 Specifications eene meses entes eae 7 3 Photographs MOM seen 8 4 Usage Procedures MM ssssesesesssesesessssssseessesssessssesseesssesseesesessess 10 4 1 CorienmsonmFCMSS31 EvalnanenBoanda a esses 10 4 2 FCM8531 Evaluation Board Installation 10 5 Intro ones MERDA 11 5 Owe cooo E H QD 11 SS Iberis me and Current EENEG nennen unn A 11 XE plisdhble Power Range Waaa Es 12 sec Programming RS 12 Ai Uer eum ce RR A 13 2 maincter Setting for Sensoa Se ss eech 13 CRUE Stop NN nn EEN oa 13 O onyard Rotation Reverso seenen sss sss EE 13 OSCE Control Essen sss 13 eno leshooting MERO 14 H locu Jet In de ww 15 IEEE ee 7 15 PIO micteristics Test 15 o AC Chris pc Test PM gift
10. M 8531 EVB Board Revision op SENTE TE CMESIT EVE Board oy i Figure 26 Detailed Driver Circuit Schematic Power Circuit YG 2200pF 250V SCH YC2 MOVI XCI VARISTOR 033uF 300V RE 0 33uRd00V t E Um TT 20dpF2s0V INS4 KBU4J4A 600V 2200pF om TRI tcn VON 220uF450V FOTC2105001 54 4 E U3 MCTELOSA FSL206MRN rE FAIRCHILD SEMICONDUCTOR Fairchild Semiconductor PCT Title FCM 8531 EVB Board Revision Bi Sheet of opf SES SZ Figure 27 AC DC Rectifier and System DC DC Converter Schematic Diagrams 2012 Fairchild Semiconductor Corporation 25 FEBFCMS8531 B01H300A Rev 1 0 4 FAIRCHILD 8 2 PCB Layout PC MOL68 REU B em 0000090 rwr MR cocos p SH SE Figure 29 Printed Circuit Board Bottom Layer Solder Side 2012 Fairchild Semiconductor Corporation 26 FEBFCM8531_B01H300A Rev 1 0 4 FAIRCHILD 8 3 Bill of Materials Aen Seene Vendor Chip Resistor 113 Q 1 110W Chip Resistor 220 045 110W Chip Resistor 1 kQ 45 1 10 W F Chip Resistor 4 7 KQ 5 110W Chip Resistor 8 45 kQ 1 10 W 6 ChipResisor 10 kQ 5 110W Chip Resistor 40 2 KQ 41 110W 8 Chip Resistor 3 3 Q 5 18W 9 Chip Resistor 10 O 5 1 8 W WT Chip Resistor 100 Q 45 HIR W Chip Resistor 560 Q 45 1 8W Chip Resistor 10 kO 1 1 8W BEEN Chip Resistor 6 49 KQ 196 HB W Chip Resi
11. MS8531 B01H300A Rev 1 0 4 FAIRCHILD NTC Thermistor TTF Type Edition TTF3A104H34D3AY KB080513 Page 8 R T TABLE PART NO TTF3A4104H34D3AY R25 100 KOhm 3 B25 85 3435 K 3 214 T 43 179 8949 172 7253 165 8792 158 4783 13 159 3403 152 4149 153 0033 146 6152 147 1236 141 4175 135 7562 135 9621 130 6734 35 754 130 7451 125 8060 1304211 125 7549 121 1465 125 3239 120 9804 116 6824 120 4516 112 4055 2 112 0379 73 24 24 uisa 1073507 09333 mas 808922 T 2 40 amo 83260 Se a u 71292 n w0 as 1n 619251 T 502200 wa 57 6178 2012 Fairchild Semiconductor Corporation 31 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD NTC Thermistor TTF Type Edition TTFSA104H34DSAY KB080513 Page 9 R T TABLE PART NO TTF3A104H34D3AY R25 100 KOhm 3 B25 85 3435 K 3 L E 34 18 a _ 4 1072 42 0886 Ls p exe 40 6285 39 2726 E ET 40 2270 37 9686 ES 2554 38 0363 36 7144 39 9774 38 7453 34 346 s 35 3432 33 2297 32 1297 30 1222 2 12 29 1622 2 16 29 2515 27 346 235 28 3598 26 488 2 30 26 6607 2 39 Lh L G E Las E uh L LA 18 8511 17 ui 8 159 16 1361 19 1496 17 6492 162517 7 18 6298 17 1555 15 7836 2012 Fairchild Semiconductor Corporation 32 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD NTC Thermistor TTF Type Edition TTF3A104H34D3AY KB080513 Page 10 R T TABLE PART NO TIF3A104H34D3AY
12. OW Phase Order W3V gt U Threshold Voltage of OVP Release Voltage of OVP Threshold Current of Short Circuit Protection Threshold Current of Cycle by Cycle Current Protection SPM Over Temperature Protection 100 C gu 3 7 2 DC Characteristics Test Input Voltage 220 Vac 60 Hz and T4 25 C unless otherwise noted input Power of System Standby 1 System Standy os W HT Voltage System Standby N C1 N NT Motor Run Threshold Voltage SEL Ooa 2012 Fairchild Semiconductor Corporation 15 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 3 AC Characteristics Test 7 3 1 PWM Frequency Test Condition Input Voltage 220 Vac Test Condition 15 16 kHz CH1 Theta CH2 SU CH3 SV CH4 SW Undo Lei File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Zoom gt Measure P1 freq C 21 P2fregiz2 P3 rise C3 P4 mean C 2 PS mean C3 P6 freq C3 value 15 5249 kHz 15 5304 kHz status Eis rigger BEB 1 00 V 5 00 V 1 00 v 5 00 v 5 00 v 5 00 msidiv Stop 2 40 V 90 m 0 mv 500 ps 500 ps 500 ps 1 00 MS 20 MSisfEdge Negative LeCroy 4 23 2012 3 15 50 AM Figure 8 PWM Frequency 7 3 2 PWM Dead Time Test Condition Input Voltage 220 Vac Speed 1500 rpm Specification 2 us 0 5 us CH1 Output of CH2 Gate of SPM CH3 Gate of SPM U Phase High Side Low Side File Vertical Timebase Trigger Display Cursors Measure Ma
13. On 1MS4 SP Mom Off Mom 1MS5 SP On Off Mom 1MD1 DP On None On 1MD2 DP On None Mom 1MD3 DP On Off On 1MD4 DP Mom Off Mom 1MD5 DP On Off Mom 1MD6 DP On On On 1MD7 DP MOm On Mom 1MD8 DP On On Mom 1M31 3P On None On 1M32 3P On None Mom 1M33 3P On Off On 1M34 3P Mom Off Mom 1M35 3P On Off Mom 1M41 4P On None On 1M42 4P On None Mom 1M43 4P On Off On 1M44 4P Mom Off Mom 1M45 4P On Off Mom 1M46 4P On On On 1M47 4P MOm On Mom 1M48 4P On On Mom HOW TO ORDER TO ORDER ACTUATOR ACTUATOR T1 T2 T3 T4 T5 T6 T61 T62 T63 T8 T9 TA T11 TL1 TL2 TL3 2012 Fairchild Semiconductor Corporation Miniature Toggle Switches BUSHING 10 41 high 5 08 high 13 97 high 16 26 high 21 34 high Flatted anti rotation 12 30 high Flatted anti rotation 21 0 high Lever handle with cap 13 49 high Flatted anti rotation 6 35 high 12 37 high 15 32 bushing 17 56 high 15 32 bushing Plastic 21 3 high 26 30 high lever handle with cap 15 32 bushing Plastic 12 2 high Locking lever 16 00 high Locking lever 16 26 high Locking lever 17 28 high Taiwan 886 2 22409060 Factory 86 756 726 7777 Shenzhen 86 755 88302925 26 27 29 Dongguan TERMINATIONS SPECIFICATIONS CONTACT RATING Dependent upon contact material See page 10 MECHANICAL LIFE 40 000 make and break cycles CONTACT RESISTANCE 10m C7 max initial 2 4VDC 100mA for both silver and gold plated contacts INSULATION RESISTANCE 1 0
14. R ES FRA S YU JING INTERNATIONAL CO LTD Fax 02 2672 4872 2012 Fairchild Semiconductor Corporation 35 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD Aa 2 OTC 21 EMI FILTER Optimum Toroid Chokes A New Products For Super Power DIELECTRIC STRENGTH TEST FREQUENCY 20 KHz 0 1 V WITHSTANDING VOLTAGE 1 5KVAC WIND TO CORE LINE TO LINE REFERENCE RATING 2 GROOVES BOBBIN RATE INDUCTANCE D C R CURRENT o L mH Min mOHM Max Amp ac REF mm VOTC2110000150A 2 5 VOTC2108000400A 50 370 VOTC2107000000 90 100 280 VOTC2106001400A Special or Custom made specification is available by request VOTC2109000200A 0 REFERENCE RATING 4 GROOVES BOBBIN RATE WIRE INDUCTANCE Bee CURRENT Dia ce REMARK L mH Min MUHV Max Amp ac REF VOTC2107000400 VOTC2106500550 5 7 130 0 2 0 s VOTC2106000700 70 130 210 0550116 C VOTC21050015004 gt 150 240 140 Special or Custom made specification is available by request Cou N G PAT US 6 121 696 J 3060520 ZL 98 2 47924 9 TW164060 EX zit FRA 5 YU JING TECHNOLOGY CO LTD Tel 02 2672 3910 R AE SA FE Z el YU JING INTERNATIONAL CO LTD Fax 02 2672 4872 2012 Fairchild Semiconductor Corporation 36 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 1M SERIES M 1M Toggle Switches MODEL NO MODEL NO 1MS1 SP On None On 1MS2 SP On None Mom 1MS3 SP On Off
15. Rev 1 0 4 O m gt CA O gt FAIRCHILD Wem Description Vendor MPE Capacitor 0 1 uF 630 V 10 7 SMD Switching Diode 600 V 3 Rectifier 18 V Zener Diode 600 V 4 Bridge Rectifiers W18 H13 5 T 7 P215 mm 1N4148 1N5406 1N4746 BZX84C13 EN En En En Ex En NEM NW VFOTC2105001 OTC21 500A 14 18 mm Ki ES 4 D D13 3 D10 12 600 V 1 A Fast Switching Rectifiers 600 V 1 A General Purpose Rectifiers 600V 1 A Fast Rectifiers SMD 13 V Zener Inductance 15 mH YUJING Radial Choke Inductors 1 mH GANG SONG NTC Thermal Resistor 10w 8 Q Tact Switch Miniature Toggle Switch Dailywell WII eU D 2 Fairchild PMSM Motor Controller FCM8531 LQFP32 Semiconductor Fairchild Power Switch FSL206MRN DIP8 1 Semiconductor Fairchild 600 V 10 A Motion SPM S NS FNB41060 SPM26 EN GSRB0605 102M 6 5 x 5 5 mm SCK083 SCK1 rites see following 3 4 4 4 4 4 4 4 4 4 4 S SW1 SW2 1 1 1 1 1 1 1 1 1 1 1 1 9 0 1 2 3 4 5 6 7 8 9 50 51 52 53 3 6710 mm 5 A FUSE MICRO 250 V 3 15 A SLOW 36ESR NONE LEAD _ SS FUSE CLIP 3 6y AC INLET 3P 90 Header 2X2 pitch 2 54 mm Header 1 4 Header 2 54 mm 3 Terminal 0 1 A 5 V Positive Voltage Fairchild Regulator Semiconductor TO 92 MC78L05A DGS W 2 54 mm Box Header 2X7P 180 DIP Most Well CON7X2A Wafer Connector 5P 2 5 mm 180 Fairchild SMD NPN Swtiching Transistor CEPI canner MMBT2
16. TION Safety Precautions Before applying power to the FEBFCM8531_B0O1H300A evaluation board it is imperative that all involved personnel read and understand the safety precautions and understand the power on off procedures The FEBFCM8531_BO1H300A evaluation board operates at lethal voltages and has bulk capacitors that store significant charge Accidental contact can lead to lab equipment damage personnel injury and may be fatal Please be exceptionally careful when probing and handling this board Always observe normal laboratory precautions including All connected computers and measurement equipment MUST be isolated from the AC mains before operating voltages are applied to the board Alternatively AC DC power to the board may be isolated When using an oscilloscope with this board it must be isolated from the AC line Alternatively high voltage 700 V isolated probes may be utilized Start with a clean working surface clear of any conductive material Be careful while turning on the power switch to the AC source Never probe or move a probe on the board while the AC line voltage is present Ensure the bulk capacitors are discharged before disconnecting the AC motor and the MCU One way to do this is to remove the main power source while the motor is still motoring with the MCU active The motor then discharges the output capacitors and the module is safe to disconnect Note Please consider even when computer is isolated fro
17. Temp BLDC Controller pe Motor Current j lIA B C Motor Drive and Current Sensing Operating interface FCM8531 EVB ADC DACG Figure 1 Block Diagram Power Input An AC DC rectifier converts the 220 Vac residential electricity to a DC voltage that powers the motor drive and the system DC DC converter The evaluation board can also accommodate an alternate input source through the PFC and PFC_GND connectors For example if Power Factor Correction PFC or a specific regulated DC input voltage is required connect the output of an external power supply directly to the PFC and PFC_GND inputs on the board When one these alternative powering methods is utilized the on board AC DC rectifier circuits are not used Nevertheless it is still galvanically connected to the high voltage portion of the evaluation board thus the components of the 5 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD AC DC recifier circuit can cause dangerous high voltage electric shock It 1s important to physically remove the AC input cord of the evaluation board when the AC DC bridge rectifier 1s not used The DC DC converter provides the 15 V and 5 V supply voltages for the control and gate drive circuits of the evaluation board The operation of the bias power supply is indepenent of the input source and can accommodate the input from the AC DC rectifier or from an external power source Motor Drive and Cu
18. YOAV Oupa amn Out Power mu 2012 Fairchild Semiconductor Corporation 7 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 3 Photographs Wo se A o w ju L Et Wi Da 23 r 07 a 8 ET mi er L ELER l LL w E niet E Component Side View of FCM8531 Evaluation Board Figure 2 Bottom View of FCM8531 Evaluation Board Figure 3 2012 Fairchild Semiconductor Corporation FEBFCM8531_BO1H300A Rev 1 0 4 FAIRCHILD Z PC H0168 REU 8 E ata em i Figure A FCM8531 Evaluation Board Silk Screen Plot Table 2 Connectors Switches Descriptions CN6 AC line input 220 Vac CN1 Connector for MCDS programming kit Connectors for 3 phase blushless DC motor SW1 Switch for RUN STOP command SW2 Switch for Motor direction CW CCW command VR1 Variable resistance for motor speed command SW3 Reset button to reset the FCM8531 E EE CN6 must be unused and Reserved for Hall signal measurement Hall A input pin with a 4 7 KO pull up to 5 V on evaluation board Reserved for Hall signal measurement Hall B input pin with a 4 7 KO pull up to 5 V on evaluation board Reserved for Hall signal measurement Hall input pin with a 4 7 KQO pull up to 5 V on evaluation board Reserved for Hall signal measurements DC15V output Reserved for Hall signal measurements GND 2012 Fairchild Semiconductor Corporation 9 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 4 Usage Pro
19. cedures 4 1 Contents of FCM8531 Evaluation Board Lcid FAIRCHILD SEMICONDUCTOR www foirchildsemi com CD http www fairchilkdsemi com FCM8531EVB FEB Number FEBFCM8531 B01H300A Serial Number 78 MGP0168 01 TEL 886 2 2917 3005 FAX 888 2 2911 1285 Figure 5 Evaluation Board The actual package content may be different from the pictured original version Fairchild reserves the right to make changes 4 2 FCM8531 Evaluation Board Installation USB to PC Speed An USB FCMS531 Contro User s Brushless Evaluation Board DC Motor isolator must be connected MCDS Programming Kit Figure 6 Interface Set up for Testing the FCM8531 Development System 2012 Fairchild Semiconductor Corporation 10 FEBFCMS8531 B01H300A Rev 1 0 4 FAIRCHILD 5 Introduction of Functions 5 1 Power Supply Three DC voltages are generated from the AC input 1 Supply voltage of the brushless DC motor Vu 310 Y nc 2 System voltage 15 V 3 System voltage 5 V The supply voltage for the motor Vu is provided from a residential AC outlet by rectifying the AC line voltage using the full bridge rectifier circuits An EMI filter circuit is included on the board to minimize EMI noise The PFC and PFC_GND terminals enable connection to an external power source when the power requirements exceed the rating of the board s input rectifier In this case it is possible to use an external voltage source according to power req
20. ed based on the included firmware example For the details of parameters and AMC libraries please visit the Fairchild website for more information http www fairchildsemi com applications motor control bldc pmsm controller html 6 2 Run Stop The SWI switch controls whether the voltage level is HIGH or LOW at the input P24 pin 24 of the FCM8531 When SW1 is in ON position the motor is started The rotation speed is controlled by the VRI variable resistor When SWI is in OFF position all three phases of the motor drive circuit are disabled the high and low side drivers are turned off and the motor is not driven Note that the rotor might continue to rotate for a while based on its inertia depending on its state at the assertion of the OFF command 6 3 Forward Rotation Reverse Rotation The SW2 switch controls whether the voltage level is HIGH or LOW at the P25 input pin of the FCM8531 A HIGH voltage level at P25 sets clockwise CW rotation while a LOW voltage level causes the rotor to spin in a counterclockwise CCW direction The direction of the rotation is related to the order in which the motor s three phase wires connect to the board s connector In forward CW rotation mode the evaluation board drives the PWM signals following the order of U V W In reverse CCW rotation mode the evaluation board drives the PWM signals following the order of W V U The actual direction of the motor s rotation depends on t
21. he motor winding and the connection to the evaluation board 6 4 Speed Control The VRI variable resistor is used to adjust the voltage level connected to the ADCO input of the FCM8531 The internal ADC of the FCM8351 converts this voltage into a speed command and controls the duty ratio Turning VRI clockwise the voltage is increased and the duty ratio become larger causing the motor speed to increase Turning VRI counterclockwise the voltage is decreased the duty ratio become smaller and the coresponding motor speed is slower 2012 Fairchild Semiconductor Corporation 13 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 6 5 Troubleshooting Q The motor doesn t rotate when it is connected to the evaluation board A Check the input voltage SW1 CMD VRI VSP and the motor connection When using Speed Integral library the rotation speed is too high or the rotor stops turning after the speed is further increased It may be caused by the AS angle not being adjusted properly Refer to the application note AN 6204 FCMS531 AMC Library Speed Integral to adjust AS 2012 Fairchild Semiconductor Corporation 14 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD f Function Test Report 7 1 Specifications Parameter Specifications Conditions Input Voltage 176 264 Vac 50 60 Hz Maximum Output Power 300 W at 220 Vac VSP Input Voltage 0 4 0 V Toggle Switch Input Level DIR Input Voltage HIGH Phase Order U gt V gt W L
22. hild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources Fairchild is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors EXPORT COMPLIANCE STATEMENT These commodities technology or software were exported from the United States in accordance with the Export Administration Regulations for the ultimate destination listed on the commercial invoice Diversion contrary to U S law is prohibited U S origin products and products made with U S origin technology are subject to U S Re export laws In the event of re export the user will be responsible to ensure the appropriate U S export regulations are followed 2012 Fairchild Semiconductor Corporation 38 FEBFCM8531 B01H300A Rev 1 0 4
23. ic power requirements http www fairchildsemi com design tools motion control design tool index html Motor The power rating of the motor in the evaluation board kit is about 70 W at 310 Vpc If a smaller motor is conncected to the board pay attention to whether the starting current or stall current may damage the motor windings If necessary the parameters of current protections should be revised to fit the requirements 5 4 Firmware Programming To program the firmware into the FCM8531 users must have the Motor Control Development System MCDS Integrated Development Environment IDE and the MCDS programming kit For more detailed information about programming please refer to the AN 8207 User Guide for MCDS IDE 2012 Fairchild Semiconductor Corporation 12 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 6 Operation 6 1 Parameter Setting for Sensorless The firmware matching the properties of the motor included in the evaluation kit have been programmed into the FCM8531 on the board In the following two situations the motor parameters or MCU programs must be re written or changed When different motors are used When using the incuded motor but with a different load This evaluation board with pre programmed firmware provides the following functionality run stop forward reverse rotation speed control and current protections If additional functions are required the corresponding program code can be develop
24. m AC mains through external supply a connection to earth potential may exist through LAN VGA or other connections to peripherals 2012 Fairchild Semiconductor Corporation 4 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 1 1 1 2012 Fairchild Semiconductor Corporation Introduction This user s manual describes how to use the evaluation board for the FCM8531 It should be used in conjunction with the FCM8531 datasheet as well as Fairchild s application notes and technical support team Visit Fairchild s website at www fairchildsemi com The evaluation board features the FCM8531 brushless DC motor controller and integrates the necessary peripheral circuits drivers and power supply This makes the development and verificataion of a three phase brushless DC motor application faster and easier The purpose of this manual is to provide instructions on how to operate and test the evaluation board For more information regarding the FCM8531 the MCDS IDE and the MCDS Programming kit please visit http www fairchildsemi com pf FC FCM8531 html Overview The evaluation board includes the FCM8531 a brushless DC motor controller AC DC rectifier stage DC DC converter control interface debugging interface and motor drive circuits as shown in Figure 1 ee PEG l DC DC Converter PWR LED AS vsense Debugging Interface RS232 OCDS Monitor Bus MOS
25. oe 16 OK 1 IPOD equi m RENE nn EE 16 FER Ph each Toe R n PEERS 16 7 3 3 isum oio nee een EE 17 7 3 4 OS ee 18 7 3 5 UH DR 18 7 3 6 V Phasc Cine DP 19 7 3 7 W Phase Currem maway _ B 19 14 Protection Function HRS sss sos ee es seas 20 141 Over Vol oe Protection Tie CCE CC e 20 TAZ Over Voltage Protection Release decseresrerriroiriirir innne EA 20 EE 21 T4 Cycle by Cy cle Current PrOLCC OR RAE UN ARA EQUO Iu EU PARU EN EMEN 21 2012 Fairchild Semiconductor Corporation 2 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 145 SPM Over Temperature Protection EE 22 Td Startup Function Wavelorm Sample uuu L LLL Lu u u l sss 22 SA 1 e E 72 3 0 i M eee ne ee een ene rene E ainda itu dieu 23 7 7 Electromagnetic Interference Test Conduction Only 23 8 Appendix IRS eee eee ressent 24 8 1 Circuit Diagrams EE N 24 8 2 PCB Layout MR uuu 26 8 3 Bil of Materials EL iine nnn trennen nnns 27 9 Component Sapegification EP LLL Lease tpa nnne nennen nena 29 10 Revisionllllis iom BE Wa _ ww y 38 2012 Fairchild Semiconductor Corporation 3 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD CAU
26. ovided in the labeling can be safety or effectiveness reasonably expected to result in significant injury to the user ANTI COUNTERFEITING POLICY Fairchild Semiconductor Corporation s Anti Counterfeiting Policy Fairchild s Anti Counterfeiting Policy is also stated on our external website www fairchildsemi com under Sales Support Counterfeiting of semiconductor parts is a growing problem in the industry All manufacturers of semiconductor products are experiencing counterfeiting of their parts Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation substandard performance failed applications and increased cost of production and manufacturing delays Fairchild is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild Distributors who are listed by country on our web page cited above Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts have full traceability meet Fairchild s quality standards for handling and storage and provide access to Fairchild s full range of up to date technical and product information Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise Fairc
27. rrent Sensing The evaluation board uses a Fairchild Smart Power Module SPM which simplifies the PCB layout and manufacturing by integrating all the motor drive components e g IGBTs FRFETs HVICs LVIC bootstrap diodes and NTC thermistor Note that various SPM modules can meet the requirements of different motor applications e g SPM Series 5 SPM Series 45 H SPM Series 3 and SPM Series 2 Please visit the Fairchild website for more information http www fairchildsemi com applications motor control bldc pmsm controller html The FCM8531 has three dedicated current sensing pins and users may connect those pins to three shunt resistors The current sense information can be used for over current protection and for sensorless algorithms Operating Interface Operation of the evaluation board is controlled by three commands forward reverse rotation CW CCW run stop and speed The first two commands FWD REV and RUN STOP are implemented by switches connected to digital I O pins of the FCM8531 The speed command uses a variable resistor potentiometer for adjusting a voltage level connected to the ADCO input of the FCM8531 Inside the FCM8531 this voltage level is converted to a speed command Debugging Interface The Motor Control Development System MCDS programming kit 1s needed to load the developed firmware into the FCM8531 through the In System Programming ISP interface Verification and debugging are performed with
28. rtical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help t t Measure P1 fall C1 P2 fall C 21 P3 max C 3 P4 max C1 P5 mean Cc 3 PB freqic3 value 2 2328 us 3 694 4 444 54 status mn A rigger 100 dis 5 00 Vidiv i 5 00 ms divI Stop 950 m 200 00 D m offset 1 00 MS 20 MSisfEdge Negative x1 100ns 4 23 2012 4 36 56 AM Figure 16 Over Voltage Protection Triggered 7 4 2 Over Voltage Protection Released File vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Zoom E YSENSE I l i A Measure Pifall C1 P2 fall C 2 P3 max C 3 PA4 max C 1 P5 mean Cc 3 P6 freq C3 value 33 3510000 ms 2 3629 us 3 212 v 385 0 v status R AR d 100 dis 5 00 Vidiv i 5 00 ms divk Stop 2 90 v 200 00 D mv offset R 1 00 MS 20 MSis Edge Positive x1 100ns 383 49 d E 4 23 2012 4 40 13 AM Figure 17 Over Voltage Protection Released 2012 Fairchild Semiconductor Corporation 20 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 4 3 Test Condition Short Circuit Protection Input Voltage 220 Vac 60 Hz CH1 Fault CH2 SU CH3 SV CH4 IC File vertical Timebase Ca Measure value status 5 00 Vidiv 5 00 dis 1 00 div 10 200 v 50 mv ofst 4 0000 LeCroy 7 4 4 Test Condition Trigger Display Cursors P1 fall C1 11 8286 CH Figure 18 P2 fall C2 2 2707 E Measure Math Analysis P3 max C 3
29. stor 1 kO 5 1 4 W DW Chip Resistor 330 KO 196 4 4W Chip Resistor 1 MQ 5 14 W T Chip Resistor 1 Q 1 1 W WGT Variable Resistor 50 kQ as 19 SMD Resistor Networks YC16 8 PIN 100 Q 5 Chip Capacitor X7R 10 20 pF 50 V Doo Chip Capacitor XTR 10 1 nF 50 V WE Chip Capacitor X7R 10 0 1 uF 50 V CAU Chip Capacitor NPO 5 100 pF 50V Chip Capacitor X7R 10 1 nF 50V Chip Capacitor X7R 10 33 nF 50V Chip Capacitor X5R 10 1 pF 50 V Chip Capacitor X5R 10 2 2 WF 10V sd Y1 Capacitor 3 3 nF 250 V 20 Electrolytic Capacitor 10 uF 50 V 105 C Doo 34 Radial Lead Aluminum Electrolytic Capacitor 47 uF 50 V 20 105 C Electrolytic Capacitor 100 pF 35 V 105 C Electrolytic Capacitor 220uF 450V 34 Radial Lead Aluminum Electrolytic Capacitor 2 2 uF 450 V 20 105 C Chip Capacitor X5R3 3pF 25V aa 2012 Fairchild Semiconductor Corporation 27 Designator ER R31 R32 R33 R5 2 ER11 13 R13 R19 0 o O a D o Fa rn O JJ o JJ O1 R10 11 R16 23 JJ ER1 R1 2 0805 5 R6 R26 0805 ER7 ER2 4 ER8 10 JJ lt D JJ ER lt N N JJ JJ 2 NO C35 C37 C44 C45 C46 C13 14 C38 0603 C40 C43 0805 C31 C32 C42 o o Co Co e e S z O O N C E E co in v C1 6 C15 C41 C30 C34 E O no C C28 C39 C22 CEA8 C25 C29 C26 27 11 5 19 5 17 5P 15HQX684 2 XC1 2 FEBFCM8531 B01H300A
30. th Analysis Utilities Help Measure 1 freq C2 P2 ftreq 22 P3 risecc 3 P4 mean Cc2 P5 mean C 3 PB freqic3 value status A amp rigger 5 00 div 5 00 vidiv 5 00 usidiv Stop 2154 150 mv ofst 10 000 v 250kS 5 0 GS s T ye Tue 5 007 v 14 my X1 1232ns 257 mir 50 mv K2 1 9014 Us Ta 49392 kH 36 mv 5 264 Vo Ay 4 23 2012 3 38 40 AM Figure 9 PWM Dead Time Falling Edge of U Phase from High Side Off to Low Side On 2012 Fairchild Semiconductor Corporation 16 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD CH1 Output of CH2 Gate of SPM CH3 Gate of SPM U Phase High Side Low Side File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Measure P1 freq C2 P2freq z2 P3 rise C3 P4 mean C2 P5 mean C3 P6 amp freq C3 value 21 644 MHz 33 743 MHz status R rigger Wee 5 00 ps div Stop E 250 kS 5 0 GS fsf Eder russa X1 2 0352us AM 1 9764 us X2 58 8ns 1 4505 97 kH 4 23 2012 3 37 58 AM Figure 10 PWM Dead Time Rising Edge of U Phase from Low Side Off to High Side On 7 3 3 Falling Edge of U Phase Test Condition Input Voltage 220 Vac Speed 1500 rpm CH1 Output of CH2 Gate of SPM CH3 Gate of SPM U Phase High Side Low Side File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Zoom be lt lt High side SU 3 Low side Sx C3 A Measure Pifal C1 P2fall caz P3 rise C3 P4 mean Ccz P5 mean Cc3 PB freqic3 val
31. that its products work in any specific application Fairchild reserves the right to make changes without notice to any products described herein to improve reliability function or design Either the applicable sales contract signed by Fairchild and Buyer or if no contract exists Fairchild s standard Terms and Conditions on the back of Fairchild invoices govern the terms of sale of the products described herein DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY FUNCTION OR DESIGN FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS NOR THE RIGHTS OF OTHERS LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a 2 Acritical component is any component of a life support device or are intended for surgical implant into the body or b support or system whose failure to perform can be reasonably expected to sustain life or c whose failure to perform when properly used in cause the failure of the life support device or system or to affect its accordance with instructions for use pr
32. the MCDS programming kit 2012 Fairchild Semiconductor Corporation 6 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 1 2 Features Bulit in AC DC Rectifier S Bulit in DC DC Converter Integrated OCDS and ISP Interface Sensorless Control Technology Sinusoidal Drive Programmable Over Current Protection OCP Programmable Short Circuit Protection SCP Programmable Over Voltage Protection OVP Programmable Over Temperature Protection OTP A Complete Firmware Example 1 3 Applications This evaluation board was designed for general purpose motor applications It can be used to develop indoor fans pedestal fans ceiling fans bladeless fans outdoor fans pumps oil pumps refrigerators e bikes range hoods etc This evaluation board reduces the time required for prototyping development boards For applications requiring higher output power the SPM module of this evaluation board can to be replaced In this case it might also be necessary to connect an external power supply to match the desired power demand or if different input voltage is required 2 Specifications All data in this table was measured at an ambient temperature of T1 25 C Table 1 Evaluation board Specification Table ro PEC Connector input Votage 180400V oos rien Stet Do T SV Coster Motor Stop Command Votage nu Die Motor COW Command Votage nu mer 024V Readable Fa Output Voage
33. ue 239 654ns 11 446 ns 10 780 ns status rd d wf imebase 1 02 ps Trigger 100 dis 5 00 Vidiv 500 ns divk Stop 219 0 00 offset 10 000 Y 25 0 kS 5 0 GS slEdge Negative LeCroy 4 23 2012 3 50 16 AM Figure 11 Falling Edge of U Phase 2012 Fairchild Semiconductor Corporation 17 FEBFCM8531 B01H300A Rev 1 0 4 FAIRCHILD 7 3 4 Rising Edge of U Phase CH1 Output of CH2 Gate of SPM CH3 Gate of SPM U Phase High Side Low Side File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Zoom Undo Ce lt lt High side SU Lovw side Sx a Measure P1 risecCc1 P2 rise c2 P3fall c3 P4 mean C2 P5 mean Cc 3 PB freqic3 value 69 374 ns 11 017 ns 10 008 ns status rd d w imebase 1 56 us Trigger 100 Mib 5 00 dis 500 nsidiv Stop 212 0 00 offset 10 000 25 0 kS 5 0 GS s Edge Positive LeCroy 4 23 2012 3 48 51 AM Figure 12 Rising Edge of U Phase 7 3 5 U Phase Current Test Condition Input Voltage 220 Vac Speed 1500 rpm CHA U Phase CH1 Theta Current File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help Zoom sde Measure P1 fall C13 P2 fall C 2 P3 risecCc 3 P4 mean c2 P5 mean c 3 P6 freqfC3 value 473 780 us 4 252 us 12 428 us status R w w rigger EB 1 00 Vidiv 5 00 div 1 00 vidiv 10 0 msidiv Stop 1 UR 0 0 m ofst 12 700 0 0 m ofst 1 00 MS 10MSfsfEdge Negative LeCroy 4 23 2012
34. uirements The board DC DC converter is the FSL206MR a Green Mode Fairchild Power Switch FPS to convert the Vy voltage to 15 V for the SPM module on the evaluation board An additional regulator is used to generate the 5 V bias source for the FCM8531 and other control circuits The power delivery block diagram is shown in Figure 7 External power input p 2 d PFC Cac AC DC vu DC DC E 15V Figure 7 Block Diagram 5 2 Motor Driving and Current Sensing The FCM8531 is a configurable three phase PMSP BLDC motor controller with an embedded MicroController Unit MCU with parallel processing cores and a configurable Advanced Motor Controller AMC The AMC is specifically designed for motor control and can be configured to perform sensorless motor control using the sensorless AMC libraries The controller senses the current from the three shunt resistors through the IA IB and IC pins and performs the calculations to obtain the rotor position It then outputs the required PWM signals to the SPM control inputs to drive the motor Beside the sensorless calculations the current signals also provide current information to the current protection circuits such as the OCH OCL and short circuit protections Visit http www fairchildsemi com applications motor control bldc pmsm controller html 2012 Fairchild Semiconductor
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