1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
1
Efficient Power Conversion
909 N. Pacific Coast Hwy, Ste. 230
El Segundo, CA 90245
United States
www.epc-co.com
4
EPC90152_B5343_Rev2_0
1
1
12/23/2022
D0727_B5343_Rev2_0.SCHDOC
Title
Size:
Date:
File:
Revision:
Sheet of
A
GND
Evaluation Board Main Schematic
12VDC
Vdd12
Logic Supply
GND
Vdd12
5 V Logic Regulator
In1
In2
GND
SW Output
Main Supply Input
GND
Sync Buck Output
VCC
GND
VOUT
H
High Voltage
H
High Voltage
GND
VCC
In1
In2
Qup
Qlow
DT
AP1010_Rev3_02_GeneralDeadtime.SCHDOC
5V
GND
VCC
V1
AP1006_Rev2_01_12Vto5VlinPSU.SCHDOC
GND
In1
In2
DTQlow
DTQup
E
PCB1
D0727 B5343 Rev. 2.0
W
X
For evaluation only;
not FCC approved for resale
dead-time and buffers
E
Power Stage
GND GND
SW
VCC
GND
VIN
GND GND
SW
Bootstrap Voltage
SW
Switch-node
GND
Heatspreader Mount
GND
VDRV
PWMH
PWML
GND
VIN
SW
Vboot
nEN
VDD
GD
D0727_Rev1_0_ePowerStage.SCHDOC
VCC
GND
VOUT
Signal Inputs
Intermediate Capacitors
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
VIN
SW
GND
VIN
VINVIN
VINVIN
VINVIN
SW
SWSW
SWSW
SWSW
GND
© EPC
FD1
PCB Fiducial
FD2
PCB Fiducial
FD3
PCB Fiducial
1 2
3
5
7
4
6
8
Bottom Side install
Amphenol
67997-272HLF
J3A
17 18
19
21
23
20
22
24
Bottom Side install
J3C
9 10
11
13
15
12
14
16
Bottom Side install
J3B
0805
1uF 100V
Cm1
0805
1uF 100V
Cm2
0805
1uF 100V
Cm3
0805
1uF 100V
Cm4
0805
1uF 100V
Cm5
0805
1uF 100V
Cm6
0805
1uF 100V
Cm7
0805
1uF 100V
Cm8
0805
1uF 100V
Cm9
0805
1uF 100V
Cm10
SMD MMCX
J11
EMPTY
TBD
L1
EMPTY
TBD
Cout
EMPTY
1
2
7.62mm TH
J9
EMPTY
SMD TP
Keystone5015
TP2
SMD TP
Keystone5015
TP4
SMD TP
Keystone5015
TP3SMD TP
Keystone5015
TP1
0402
0E 1/16W
R11
EMPTY
1
2
Hole 100mil 1 row, 2 pos.
J33
1
2
3
4
100mil TH
J80
1
2
100mil TH
J90
0603
0E 0.1W
R90
0603
1uF 25V
C11
9774010243R
Spacer M2 1mm
SO1
9774010243R
Spacer M2 1mm
SO2
9774010243R
Spacer M2 1mm
SO3
EFFICIENT POWER CONVERSION
Vboot
VIN
eGaN® IC
Vboot
Vdd
0402
0E 1/16W
R22
EMPTY
Vdd
GND
nEN
Vdd
nEN
1
2
100mil TH
J81
EMPTY
GND
GND
GND
1
2
Hole 100mil 1 row, 2 pos.
J2
SMD MMCX
J22
EMPTY
0402
10k 1/16W
R73
PIC1101
PIC1102
COC11
PICm101
PICm102
COCm1
PICm201
PICm202
COCm2
PICm301
PICm302
COCm3
PICm401
PICm402
COCm4
PICm501
PICm502
COCm5
PICm601
PICm602
COCm6
PICm701
PICm702
COCm7
PICm801
PICm802
COCm8
PICm901
PICm902
COCm9
PICm1001
PICm1002
COCm10
PICout01
PICout02
COCout
COFD1
COFD2
COFD3
PIJ201
PIJ202
COJ2
PIJ301
PIJ302
PIJ303
PIJ304
PIJ305
PIJ306
PIJ307
PIJ308
COJ3A
PIJ309
PIJ3010
PIJ3011
PIJ3012
PIJ3013
PIJ3014
PIJ3015
PIJ3016
COJ3B
PIJ3017
PIJ3018
PIJ3019
PIJ3020
PIJ3021
PIJ3022
PIJ3023
PIJ3024
COJ3C
PIJ901
PIJ902
COJ9
PIJ1101
PIJ1102 PIJ1103 PIJ1104 PIJ1105
COJ11
PIJ2201
PIJ2202 PIJ2203 PIJ2204 PIJ2205
COJ22
PIJ3301
PIJ3302
COJ33
PIJ8001
PIJ8002
PIJ8003
PIJ8004
COJ80
PIJ8101
PIJ8102
COJ81
PIJ9001
PIJ9002
COJ90
PIL101
PIL102
COL1
COLB1
COLB2
COLB8
COPCB1
PIR1101
PIR1102
COR11
PIR2201
PIR2202
COR22
PIR7301
PIR7302
COR73
PIR9001
PIR9002
COR90
COS1
COS2
COS3
COS4
COS5
COS6
COS9
PISO101
COSO1
PISO201
COSO2
PISO301
COSO3
PITP101
COTP1
PITP201
COTP2
PITP301
COTP3
PITP401
COTP4
PIC1102
PICm102
PICm202
PICm302
PICm402
PICm502
PICm602
PICm702
PICm802
PICm902
PICm1002
PICout02
PIJ202
PIJ3017
PIJ3018
PIJ3019
PIJ3020
PIJ3021
PIJ3022
PIJ3023
PIJ3024
PIJ902
PIJ2202 PIJ2203 PIJ2204 PIJ2205
PIJ3302
PIJ8002
PIJ8004
PIJ8101
PIJ9001
PIR7302
PISO301
PITP101
PITP301
NLHIN
NLLIN
PIJ201
PIJ2201
PIR2201
PIJ1101
PIR1101
PIR9001
PISO101
PISO201
PIJ8102
PIR7301
NLnEN
PIJ8001
NLPWM1
PIJ8003
NLPWM2
PIR1102
NLVboot
PIC1101
PIR9002
NLVCC
PIR2202
NLVdd
PIJ9002
NLVdd12
PICm101
PICm201
PICm301
PICm401
PICm501
PICm601
PICm701
PICm801
PICm901
PICm1001
PIJ301
PIJ302
PIJ303
PIJ304
PIJ305
PIJ306
PIJ307
PIJ308
PITP201
NLVIN
PICout01
PIJ901
PIL102
PITP401
NLVOUT
PIJ309
PIJ3010
PIJ3011
PIJ3012
PIJ3013
PIJ3014
PIJ3015
PIJ3016
PIJ1102 PIJ1103 PIJ1104 PIJ1105
PIJ3301
PIL101
NLVSW
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
2
Efficient Power Conversion
909 N. Pacific Coast Hwy, Ste. 230
El Segundo, CA 90245
United States
www.epc-co.com
4
D0727 ePower Stage Rev. 1.0
2
1
12/23/2022
D0727_Rev1_0_ePowerStage.SCHDOC
Title
Size:
Date:
File:
Revision:
Sheet of
A
© Copyright EPC 2022
Vin
GND
GND
DC Input
80 Vmax.
VIN
HF loop Capacitors
Optional Diodes
GND GND
VIN VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
GND
VIN
0603
220nF 100V
Ci1
0603
220nF 100V
Ci2
0603
220nF 100V
Ci3
0603
220nF 100V
Ci4
0603
220nF 100V
Ci5
0603
220nF 100V
Ci6
0603
220nF 100V
Ci7
0402
100pF 50V
C70
EMPTY
GND
DTQup
GND
Monolithic Half-bridge power stage
PWMH
GND
SW
VIN
GND
0402
100nF 25V
C81
Vboot
Vboot
VCC
SS2PH10-M3
100V,2A
D1
EMPTY
SS2PH10-M3
100V,2A
D2
EMPTY
VIN
GND
0402
2.2uF 25V
C83
GND
VCC
Vdd
VDRV
0402
2.2uF 25V
C80
GND
VCC Vdd
VCC
nEN
nEN
0402
100pF 50V
C75
EMPTY
DTQlow
PWML
GND GND
SW
VDD
Vdd
0402
3.3 1/16W
R60
0402
3.3 1/16W
R78
5 13
7
10
1
2
Logic
UVLO
Level Gate
Driver
Gate
Shift
+
VDD
Vboot
Sync
VIN
HSin
LSin
AGND
Phase
Cross-
boot
6
12
VDRV
EN
RDRV
Driver
Rboot
3
4
Delay
Match
+
High
Side
Enable
Logic
VIN
GND
150k
Over
LO
VDD
8
PGND
9
11
SW
100V, 30A, 11mE Sym HB IC with UVLO & ESDs.
EPC23104
EPC23104
U1
EPC23104
0402
10k 1/16W
R71
0402
10k 1/16W
R76
PIC7001
PIC7002
COC70
PIC7501
PIC7502
COC75
PIC8001
PIC8002
COC80
PIC8101
PIC8102
COC81
PIC8301
PIC8302
COC83
PICi101
PICi102
COCi1
PICi201
PICi202
COCi2
PICi301
PICi302
COCi3
PICi401
PICi402
COCi4
PICi501
PICi502
COCi5
PICi601
PICi602
COCi6
PICi701
PICi702
COCi7
PID10A
PID10K
COD1
PID20A
PID20K
COD2
PIR6001
PIR6002
COR60
PIR7101
PIR7102
COR71
PIR7601
PIR7602
COR76
PIR7801
PIR7802
COR78
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
COU1
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIC7002
PIC7502
PIC8002
PIC8301
PICi102
PICi202
PICi302
PICi402
PICi502
PICi602
PICi702
PID20A
PIR7102
PIR7602
PIU107
PIU108
POGND
PIC7001
PIR7101
PIU101
NLHIN
POPWMH
PIC7501
PIR7601
PIU102
NLLIN
POPWML
PIR6001
PIU1012
PIR7801
PIU106
PIU103
NLnEN
POnEN
PIC8101
PID10A
PID20K
PIU109
PIU1011
NLSW
POSW
PIC8102
PIR6002
PIU1013
NLVboot
POVboot
PIC8001
PIU104
NLVdd
POVDD
PIC8302
PIR7802
PIU105
NLVDRV
POVDRV
PICi101
PICi201
PICi301
PICi401
PICi501
PICi601
PICi701
PID10K
PIU1010
NLVIN
POVin
POGND
POnEN
POPWMH
POPWML
POSW
POVboot
POVDD
POVDRV
POVin