Demonstration
System EPC9113
Quick Start Guide
6.78 MHz, ZVS Class-D Wireless Power System using EPC2108 / EPC2036
Page 1: ...Demonstration System EPC9113 Quick Start Guide 6 78MHz ZVSClass DWirelessPowerSystem usingEPC2108 EPC2036...
Page 2: ...adjusts the voltage supplied to the ZVS Class D amplifier based on the limits of 3 parameters coil current DC power delivered and maximum voltage the coil current has the lowest priority followed by...
Page 3: ...8 Hz It can be disabled by placing a jumper into JP70 or can be externally shutdown using an externally controlledopencollector draintransistorontheterminalsofJP70 note which is the ground connection...
Page 4: ...required predominant operating value such as 24 V but NEVER exceedthe absolute maximum voltage of 52V 6 Whileobservingtheoscilloscopeadjusttheapplicablepotentiometers to so achieve the green waveform...
Page 5: ...rature of the EPC devices using an IR camera 3 Never connect the EPC9509 amplifier board into your VNA in an attempt to measure the output impedance of the amplifier Doing so will severely damage theV...
Page 6: ...Figure 2 Block diagram of the EPC9509 wireless power amplifier VAMP Q1_a LZVS12 Q2_a Q1_b Q2_b LZVS2 CZVS2 CZVS1 LZVS1 Coil Connection Single Ended Operation Jumper Pre Regulator Pre Regulator Jumper...
Page 7: ...Connection Matching Device Output Current 300 m Shunt Output Voltage 5 V LED Output Voltage 37 V LED Load Current SeeNotesfordetails ONLYtobeusedwith Shuntremoved 17 24 VDC VIN Supply Note Polarity S...
Page 8: ...of the switch nodes using the hole and ground post Figure 10 ZVS timing diagrams Shoot through Q2 turn on Q1 turn off VAMP 0 time ZVS Partial ZVS ZVS Diode Conduction Shoot through Q1 turn on Q2 turn...
Page 9: ...J106KN T 19 3 C90 C91 C92 1 F 25 V W rth 885012206076 20 2 Czvs1 Czvs2 1 F 50 V W rth 885012207103 21 3 D1_a D1_b D95 40 V 300 mA ST BAT54KFILM 22 10 D2_a D2_b D21 D40 D41 D42 D71 D72 D77 D78 40 V 30...
Page 10: ...RKF1001X 68 1 R54 0 Yageo RC0402JR 070RL 69 1 R60 40 m 0 4 W Vishay Dale WSLP0603R0400FEB 70 1 R61 150 m 0 25 W Vishay Dale WSL0805R1500FEA18 71 2 R71 R78 124 Panasonic ERJ 2RKF1240X 72 2 R72 R77 22 P...
Page 11: ...L 3 1 PCB1 Cat3PRU Coastal Circuits Cat3DeviceBoard 4 2 CM1 CM11 470 pF Vishay VJ1111D471KXLAT 5 4 CM2 CM12 CMP1 CMP2 DNP 6 3 CM5 CM7 CMP3 CMP4 DNP 7 1 CM6 56 pF Vishay VJ0505D560JXPAJ 8 1 CMP8 68 pF...
Page 12: ...robeloop 1 TP 2 V AMP V AMP 5 V G N D L IN OUT H IN a EP C9509_SE_ZVSclass D_Rev1_0 SchDoc 390 nH L zvs1 390 nH L zvs2 DNP L zvs12 1 F 50 V C zvs2 V AMP V AMP 5 V G ND L IN OUT H IN b EPC9509_SE_ZVScl...
Page 13: ...5113TM OUT GU GL D1 BAT54KFILM 5 V 4 7 V 4 7 V GL 20 1 2 R2 SDM03U40 D3 EMPTY Synchronous Bootstrap Power Supply 1 F 10 V C1 D4 CD0603 Z5V1 Gbtst 27k 1 2 R3 D2 SDM03U40 22 nF 25 V C3 GND 5 V OUT V AMP...
Page 14: ...0 UCC27611DRV 47k 1 2 R33 D36 D35 Current Mode Power Mode Pmon Imon Vsepic V OUT 634 1 2 R35 5 V 8 2k 1 1 2 R32 51 0k 1 1 2 R31 V OUT V Vsepic Pcmp DC Power Monitor Isns Isns Isns Vfd bk Pmon Output V...
Page 15: ...D81 40 V 1 A D83 10 F 50 V C85 VRECT 100 nF 50V C84 VRECT VRECT VOUT VOUT 1 2 300 m 1W R80 1 Male Vert 1 2 J81 RX Coil SMD probe loop 1 TP1 SMD probe loop 1 TP2 Kelvin Output Current SMD probe loop 1...
Page 16: ...rcompliancewiththeEuropeanUniondirectiveonelectromagneticcompatibilityoranyothersuchdirectivesorregulations Asboard builds are at times subject to product availability it is possible that boards may c...
