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Development Board   

EPC9106 

Quick Start Guide

150 W/8 Ω Class-D Amplifier

Revision D

Summary of Contents for EPC9106

Page 1: ...Development Board EPC9106 Quick Start Guide 150W 8ΩClass DAmplifier Revision D ...

Page 2: ...is reached 6 Adjust high voltage power supply rails to around 27 VDC 7 Connect left and right outputs to the loudspeaker of choice NOTE While both loudspeaker outputs are ground referenced neither is connected to ground DO NOT CONNECT EITHER OF THESE LOUDSPEAKER OUTPUTS TO ANY SYSTEM OR TEST EQUIPMENT GROUND 8 Play audio source 9 Adjust master volume control to appropriate listening level Analog A...

Page 3: ... 8 Ω Figure 4 Noise floor ref to 168W 36 6VRMS 27V 8 Ω 1 0 5 0 2 0 1 0 05 0 02 0 01 0 005 0 002 0 001 60m 100m 200m 500m 1 2 W 10 20 dx 120 3W 0 02767 0 00306 5 079 125 4 dy 0 02461 dBr A 1m 2m 5m 10m 20m 50m 100m Vms Sweep Trace Color Line Style Thick Data Axis Comment 3 1 Green Solid 1 AnalyzerTHD N Ampl A Left Pot Unity Un Wtd 104 9dBr 5 1 Yellow Solid 1 AnalyzerTHD N Ampl A Left Pot 6dB Un Wtd...

Page 4: ... exceed the absolute maximum die temperature of 150 C and stay within the constraints of the other components within the circuit NOTE The EPC9106 demonstration board does not have any thermal protection on board Power block no heatsink eGaN FETs Figure 6 Amplifier efficiency vs output power at 4 Ω Figure 5 Amplifier efficiency vs output power at 8 Ω 0 10 20 30 40 50 60 70 80 90 100 0 Amplifier Eff...

Page 5: ...3 DNP 15 2 C32 C101 CAP CER 100 pF 50 V 5 NP0 0603 Kemet C0603C101J5GACTU 16 4 C44 C50 C115 C119 CAP MET POLY FILM 0 47 µF 100 VDC 5 RADIAL Kemet R82EC3470DQ70J 17 4 C45 C51 C112 C120 CAP CER 3300 pF 100 V 5 NPO 0805 TDK Corporation C2012C0G2A332J 18 2 C46 C113 CAP MET POLY FILM 0 22 µF 100 VDC 5 RADIAL Kemet R82EC3220AA70J 19 3 C149 C150 C161 CAP AL ELECT 100 µF 10 V 20 RADIAL 5X15MM Nichicon UPW...

Page 6: ... R103 RES 18 2 K 1 1 10 W 0603 Panasonic ERJ 3EKF1822V 61 5 R25 R79 R123 R149 R152 RES 1 K 1 1 16 W 0603 Panasonic ERJ 3EKF1001V 62 6 R26 R80 R130 R133 R136 R139 RES 681 1 1 10 W 0603 Panasonic ERJ 3EKF6810V 63 14 R27 R30 R81 R84 R121 R140 R141 R143 R144 R145 R148 R151 R153 R154 RES 49 9 K 1 1 10 W 0603 Panasonic ERJ 3EKF4992V 64 2 R29 R83 RES 1 K 1 1 10 W 0805 Panasonic ERJ 6ENF1001V 65 4 R34 R54...

Page 7: ... 5 1V SOD 323 2 1 C17 1000pF 0805 R27 49 9K 0603 C69 0 033uF 100VDC 1210 R20 562 0603 R133 681 0603 C34 1000pF 100V 0603 R8 4 99K 0603 C10 0 1uF 0603 50VDC VCC GND N C U10 NC7SZ04 2 3 4 5 1 Q1 FMMT593TA SOT 23 PNP 1 2 3 U6 LM5113TME 12 BUMP USMD HI B4 LI A4 HOL D1 HOH D2 HB D3 HS C1 LOL A1 LOH B1 VSS A2 VDD C4 VDD A3 HS D4 Q6 EPC2016C 1 2 3 4 5 6 7 8 9 10 11 R168 DNP 0805 C18 0 033uF 100VDC 1210 C...

Page 8: ...60 100 0603 C127 0 1uF 0603 R75 18 2K 0603 D23 SL210PL TP SOD123FL 2 1 C132 0 1uF 0603 U22C LM4562 4 8 U17 LM1117 5V SOT 223 GND 1 TAB 4 VIN 3 VOUT 2 D14 SL210PL TP SOD123FL 2 1 C94 1uF 0603 25VDC U28C LM4562 4 8 U7B NJM4580E 5 6 7 U22A LM4562 3 2 1 R62 4 99K 0603 C115 0 47uF FILM 100VDC R67 10K 0603 C84 100pF 0603 GND VCC U23 NC7SZ02 2 3 4 5 1 R79 1K 0603 C87 0 1uF 0603 C183 47pF 0805 C106 10uF 1...

Page 9: ... C164 10uF 1206 50V R111 3 32K 2512 C141 1000uF 50V PW Series R115 3 32K 2512 D36 MM3Z18VT1G 18V SOD 323 2 1 C157 0 1uF 0603 D25 1N4003 DO 41 LED3 GRN LED LED0603 2 1 D26 1N4003 DO 41 C143 10uF 1206 50V D37 BZT52C39S 7 F 39V SOD 323 2 1 X1 C142 0 1uF 0603 50VDC D35 BZT52C39S 7 F 39V SOD 323 2 1 C188 0 1uF 0603 50VDC C158 0 01uF 0603 50V R118 0 Ohm Q21 FMMT493TA SOT 23 NPN 1 2 3 C146 0 1uF 0603 R15...

Page 10: ... EfficientPowerConversionCorporation EPC makes noguaranteethatthepurchasedboardis100 RoHScompliant TheEvaluationboard orkit isfordemonstrationpurposesonlyandneithertheBoardnorthisQuickStartGuideconstituteasalescontractorcreateanykindofwarranty whetherexpressorimplied astotheapplicationsorproductsinvolved Disclaimer EPCreservestherightatanytime withoutnotice tomakechangestoanyproductsdescribedherei...

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