Datasheet
Evaluation Board User Guide UG-320
Rev. A | Page 31 of 48
EVALUATION BOARD SCHEMATICS AND ARTWORK
MAIN BOARD SCHEMATIC
n2 n1n1 n2
FIRST PHASE
SECOND PHASE
2.5VZener
DRAW
ROF-DEEFENILREV
IRDTEFrOG
N
ISN
ESERUTAREPME
TGNIS
N
ES1S
C
S
REVIRDETAG
POWER PACK
OUTPUT CURRENT AND VOLTAGE SENSING, OrING FET CONTROL
connect this 400 rtn close t o CT
connect this 400 rtn close t o C
T
Dedicated and thick traces for YCAP
Dedicated and thick traces for YCAP
Schottky
2W 1%
2W 1%
630V
630V
16V
500V
11.5A
500V
11.5A
100V
120A
100V
120A
100V
120A
100V
120A
500V
11.5A
500V
11.5A
500VAC
500VAC
0.75W
0.75W
0.75W
0.75W
16V
200V
1A
200V
1A
100V
100V
100V
100V
RED
600V
600V
600V
600V
25V
25V
25V
25V
25V
100V
ETD29
ETD29
25V
2W 1%
25V
100V
170MA
VS3+
VS3-
VS2
CSS
CSS
CS1
VS0
CS2-
CS2+
RTD
AGND
Phase2_switch_DR
Phase1_switch_DR
VCC+12V
Phase1_FRwheel_DR
Phase1_SR_DR
VCC+12V
VCC+12V
Phase2_FRwheel_DR
Phase2_SR_DR
GATE
DR_OR
DR_OR
VS0
VS1
Phase1_SW
Phase2_SW
Phase1_SW
Phase2_SW
Phase1_FRwheel_SW
Phase1_SR_SW
Phase2_SR_SW
Phase2_FRwheel_SW
CSS
Phase1_SR_SW
Phase1_FRwheel_SW
Phase2_FRwheel_SW
Phase2_SR_SW
VOUT
+3.3V
VS0
ACSNS
VCC+12V
AGNDPGND
VSS
VSS
VSS
VSS
AGND
AGND
VSS
VSS
VSS
PGND
PGND
VSS
PGND
PGND
PGND
C16
10uF
TP17
DNI
TP1
Vin+
L1
10uH 10A
1
3
2
4
TP38
VS3-
J2
VIN-
1
R22 1
T6
DA2320
1
6
2
5
3
4
TP29
Ph2XFR+
Q10 SIR440DP
8
4
1
2
3 5
6
7
TP25
VS2/CS2-
R29
DNP
C2
3300pF
R58
10K
C24
DNI
R9
0
C20
1000pF
R21 1
U3
ADP3654
1
2
3
4
5
6
7
8
NC1
INA
PND
INB OUTB
VDD
OUTA
NC2
R16
0
C15
10uF
D6
SMAZ16
2
1
D3
ES1J
2 1
TP21
OrFET
R26
0
C23
0.1UF
T5
DA2320
1
6
2
5
3
4
F1
5A
C19 1000pF
TP30
Ph2XFR-
TP15
VS1/CS2+
C67
2200pF
C40 4.7uF
R10
0
Q5
IRFB4310ZPBF
1
23
Q6
IRFB4310ZPBF
1
23
R18
22K
T3
CST1-050LB
1
2
3 4
C3
3300pF
J3
VOUT+
1
DNI
D12
2 1
Q9
IRFB4310ZPBF
1
23
C12
0.1u
C4
3300pF
R57
DNP
C66
10uF
R19 1
C21
0.22uF
D2
ES1J
2 1
C13 1uF
C22
3300pF
R4
10
R13
22K
Q4
STP12NM50
1
23
R2
10
Q7
IRFB4310ZPBF
1
23
J4
VOUT-
1
C10
2700uF
MURS120
D8
2
1
R39
DNI
R3
10
C36 4.7uF
C5
10uF
R38
DNI
R15
1
D1
ES1J
2 1
T2
0197140-00R
1
2
3
4
5
6
7
8
Q3
STP12NM50
1
2
3
R23
20
U1
ADP3654
1
2
3
4 5
6
7
8
NC1
INA
PND
INB OUTB
VDD
OUTA
NC2
R25
10
C25
2200pF
TP27
Ph1XFR+
C1
0.22uF
C32
DNP
R8 DNI
1 2
Q14
BSS123-7-F
1
2
3
D4
ES1J
2
1
TP14
DNI
R5 0.003
1 2
1N4148
D7
2
1
T4
CST1-050LB
1
2
3 4
U2
ADP3654
1
2
3
4
5
6
7
8
NC1
INA
PND
INB OUTB
VDD
OUTA
NC2
Q1
STP12NM50
1
23
R1 0.003
1
2
J20
12
TP28
Ph1XFR-
R27
16.5k
T1
0197140-00R
1
2
3
4
5
6
7
8
MURS120
D9
2
1
R6
0
RTD1
100k NTC
C39 4.7uF
1N4148
D10
21
R7
0
TP10
Ph2 GATE
TP2
Vin-
TP37
VS3+
TP22
CS1
D17
MMSZ5222BT1G
2 1
R56
100
C6
10uF
Q11
DNI
8
4
1
2
3 5
6
7
C68
2200pF
C65
10uF
R11
500
TP8
Ph1 GATE
J1
VIN+
1
R30 0
R20 1
Q2
STP12NM50
1
23
L2
10uH 10A
1
3
2
4
C8
1000uF
C14 DNP
R17
0
Q8 SIR440DP
8
4
1
2
3
5
6
7
D15
21
R35
12K
J18
12
400V rtn
400V_IN
400V rtn
400V rtn
400V rtn
VS1
VS1
10180-073
Figure 75. Schematic—Power Stage