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QUICK ST

AR

T GUIDE

EPC – EFFICIENT PO

WER C

ONVERSION C

ORPOR

ATION   |   

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CO

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YRIGHT 2018   |                                                                                                    | 14

Demonstr

ation S

yst

em EPC9129

Figure 13: EPC9512 - ZVS class-D amplifier schematic.

19  V  2  A max

Vin

5 V

Vout

GND

Icoil

PreRegulator

EP C9512PR_Rev 3_1.SchDoc

Vin

5 V

Vout

Pre-Regulator

SDM03U40

40  V   30 m A

D71

5 V

5 V

5 V

Deadtime  A  Fall

Deadtime  A  Rise

1K

P71

EMPTY

A

B

U71

NC7SZ00L 6X

A

B

Y

U72

NC7SZ08L 6X

5 V

DSO221SHF   6.780

4

2

GND

OUT

3

O Ω

1

VCC

U70

5 V

5 V

Oscillator

IntOsc

5 V

5 V

Logic  Supply  Regulator

Vin

OSC

OSC

OSC

.1"  Male  Vert.

1

2

JP70

Oscillator  Disable

OSC

IntOsc

.1"  Male  Vert.

1

2

J70

External  Oscillator

Internal  /  External  Oscillator

5 V

5 V

5 V

Deadtime  B  Rise

Deadtime  B  Fall

A

B

U77

NC7SZ00L 6X

A

B

Y

U78

NC7SZ08L 6X

5 V

OSC

OSC

SDM03U40

D72

1K

P72

EMPTY

51 Ω

1

2

R72

SDM03U40

D77

1K

P77

EMPTY

SDM03U40

D78

1K

P78

EMPTY

OSC

H_Sig1

L_Sig1

H_Sig2

L_Sig2

OSC

.1"  Male  Vert.

1 2

JP71

.1"  Male  Vert.

1

2

J75

Single  /  Differential  Mode

nSD

nSD

nSD

5 V

10 K

1

2

R75

OutA

OutB

ZVS  Tank  Circuit

1

2

.156"  Male  Vert.

J1

Vin

Main  Supply

Vamp

Vout

SMA  Board  Edge

J2

DNP

JMP 1

Single  Ended  Operation  Only

Pre-Regulator  Disconnect

SMD  probe  loop

1

TP 1

SMD  probe  loop

1

TP 2

Vamp

VAMP

5 V

G

N

D

Lin

OUT

Hin

a

EP C9512_SE_ZVSclassD_Rev 3_1.SchDoc

500nH

Lzvs1

500 nH

Lzvs2

TBD

Lzvs12

EMP TY

1 μF  50 V

Czvs2

Vamp

VAMP

5 V

G

N

D

Lin

OUT

Hin

b

EP C9512_SE_ZVSclassD_Rev 3_1.SchDoc

Vamp

H_Sig1

L_Sig1

H_Sig2

L_Sig2

5 V

5 V

Jumper  100

JP10

Coil  Current  Sense

SDM03U40

40  V   30 mA

D21

Icoil

Icoil

180 Ω

1

2

R71

180 Ω

1

2

R78

10K

1

2

R73

47 K

1

2

R70

100nF,  16 V

C77

100 nF ,  16 V

C78

100nF,  16 V

C72

100 nF ,  16 V

C71

22pF,  50 V

C75

22 pF ,  50 V

C73

EMPTY

1 μF,  25 V

C90

1 μF,  25 V

C92

1 μF  50 V

Czvs1

100 nF ,  16 V

C70

Jumper  100

JP72

.1"  Male  Vert.

1 2

JP1

4

3

5

2

1

6

OSC

Reg

0.81 V

GND

IN

FB

EN

DRV

CNTL

U90

MP2357DJ-LF

9.53 K   1%

1

2

R92

49.9 K  1%

1

2

R91

5 V

22 nF , 25 V

C95

47 μH  250 mA

L90

100 K  1%

1

2

R90

Vin

D95

BAT54K FILM

PD3S140-7

40  V   1A

D90

1 μF,  25 V

C91

6.81 K   1%

1

2

R26

51 Ω

1

2

R77

4.3 K   1%

1

2

R25

10 K

P25

EMPTY

Current  Set/Adjust

Vin

Reverse  Polarity  Protection

1

2

10 μH  1:1  96.9%

3

4

Tsns1

EMPTY

82 nH

Lsns

EMPTY

33  ohm 1/2  W

1

2

R21

680 pF , 50 V

C21

EMPTY

SDM03U40

40 V 30 mA

40 V 30 mA

40 V 30 mA

40 V 30 mA

D76

nSD

OOK M

OOK M

OOK M

.1"  Male  Vert.

1

2

J76

OOK  Modulation

5 V

10K

1

2

R76

22 pF ,  50 V

C76

OOK M

25 V,  11 A

D1

SMAJ22A

1

3

1:20  Current  Xrmr

4

6

Tsns2

CST7030- 020LB

390 pF ,  50 V

C22

Содержание EPC9129

Страница 1: ...Demonstration System EPC9129 Quick Start Guide 6 78MHz 33WClass4WirelessPowerSystem usingEPC8010 EPC2038 EPC2019 EPC2016C Revision 1 0...

Страница 2: ...r based on the limits of 3 parameters coil current DC power delivered to the ZVS class D amplifier and maximum operating voltage of the ZVS class D amplifier The coil current has the lowest priority f...

Страница 3: ...fier supply after removing the jumper at location JP1 and inserting the jumper into location JP50 to disable the pre regulator followed by connecting the main positive supply to the bottom pin of JP1...

Страница 4: ...in the single ended mode Using an external pull down with floating collector drain connection will have the same effect The external transistor must be capable of sinking 25 mA and withstand at least...

Страница 5: ...nd 2 A for the EPC9514 The EPC9513 and EPC9514 device boards come equipped with Kelvin connections for easy and accurate measurement of the un regulated and regulated output voltages The rectified vol...

Страница 6: ...raditional silicon devices their relatively smaller size does magnify the thermal managementrequirements Theoperatormustobservethetemperature ofthegatedriverandeGaNFETstoensurethatbothareoperatingwith...

Страница 7: ...onnection Tuning network Class 3 coil f 6 78 MHz ON OFF KEY modulation Figure 5 Schematic diagram of the EPC9513 and EPC9514 demo board Load Device coil Un Regulated DC output Tuning Network Rectifier...

Страница 8: ...V V Figure 8 Proper connection and measurement setup for the amplifier board 17 24 VDC VIN supply note polarity Source coil connection External oscillator Switch node main oscilloscope probe Switch no...

Страница 9: ...on Q1turn off VAMP 0 time ZVS Partial ZVS ZVS diode conduction Q1turn on Q2turn off VAMP 0 time ZVS Partial ZVS ZVS diode conduction Figure 10 AirFuel Category 5 device board Disable Regulator Coil Co...

Страница 10: ...ed 10 nF 100 V TDK C1608X7R2A103K080AA 20 3 C90 C91 C92 1 F 25 V W rth 885012206076 21 2 C131 C221 1 nF 50 V Murata GRM1555C1H102JA01D 22 2 Czvs1 Czvs2 1 F 50 V W rth 885012207103 23 1 D1 25 V 11 A Li...

Страница 11: ...X 75 1 R53 12 Panasonic ERJ 2RKF12R0X 76 1 R54 0 Yageo RC0402JR 070RL 77 1 R55 23 2 k Panasonic ERJ 2RKF2322X 78 1 R57 160 k Panasonic ERJ 3EKF1603V 79 1 R58 33 k Panasonic ERJ 3GEYJ333V 80 1 R60 20 m...

Страница 12: ...gory 3 Coil NuCurrent NC20 R070L03E 079 063 0R71 24 1 J3 1 Male Vert SMD 2 x 2 Amphenol FCI 95278 101A04LF 25 2 L60 L61 Inductor 22 H 4 3 A Vishay Dale IHLP3232DZER220M11 26 1 L90 Inductor 10 H 150 mA...

Страница 13: ...mW Nexperia BZX84 C2V7 215 21 1 D86 LED 0603 Red Lite On LTST C193KRKT 5A 22 1 D87 43 V 250 mW Nexperia BZX84 C43 215 23 1 D88 44 V 51 6 A Littelfuse SMDJ36A 24 1 GP60 1 Male Vert W rth 61300111121 25...

Страница 14: ...peration Only Pre Regulator Disconnect SMD probe loop 1 TP1 SMD probe loop 1 TP2 Vamp VAMP 5 V G ND Lin OUT Hin a EPC9512_SE_ZVSclassD_Rev 3_1 SchDoc 500nH Lzvs1 500 nH Lzvs2 TBD Lzvs12 EMP TY 1 F 50...

Страница 15: ...4 7 F 100 V C65 10 H 150 mA L80 Isns Vout Comp 1 2 R30 EMP TY Icoil 100nF 100 V C50 10 1 2 R50 1 1 Male Vert GP60 1 ProbeHole PH60 20 1 2 R82 100 nF 16 V C81 100nF 100 V C30 22pF 50 V C44 22 pF 50 V C...

Страница 16: ...3U40 22 nF 25 V C3 GND 5 V OUT Vamp Out GU GL Out 10 nF 100 V 10 nF 100 V 10 nF 100 V C11 C12 Vamp Vamp Vamp VAMP GND Hin Lin Hin Lin 1 ProbeHole PH1 Ground Post 1 1 Male Vert GP1 4 7 1 2 R4 100 nF 16...

Страница 17: ...35 V C64 0 1 2 R54 100 V 3 A D60 STPS3H100UF Vfdbk Isns C63 6 2 3 EP 4 5 LDO VREF VSS 1 VDD U90 UCC27611DRV Isns Isns Isns Isns 10 H 150 mA L90 Isns Comp 100 nF 100 V C50 10 1 2 R50 1 GP60 1 ProbeHol...

Страница 18: ...6 V C91 22 pF 50 V C92 5VGD 5VGD 1 F 25 V C55 2 49 M1 1 2 R57 150 k 1 1 2 R58 UVLO 7 5 Bias Osc 4 8 Pgnd 1 275 V Cnt FA Sync SD FB Comp 10 6 Agnd Isens Vin 3 1 DR 2 9 UVLO U50 LM3481MM NOPB 44V 51 6 A...

Страница 19: ...e online com EPC would like to acknowledge Johanson Technology www johansontechnology com for their support of this project Information on the capacitors used in this kit can be found at http www joha...

Страница 20: ...rcompliancewiththeEuropeanUniondirectiveonelectromagneticcompatibilityoranyothersuchdirectivesorregulations Asboard builds are at times subject to product availability it is possible that boards may c...

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