10.
Circuit Diagrams and PWB Layouts
Digital Bolt-On: Power
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
+12V
+12V
+12V
5.0V
2.6V
5.0V
DL
3
.
3
V
DL5.0V
+12V
3
.
3
V
DL5.0V
D5.0V
1.2V
5.0V
5.0V
5.0V
3
.
3
V
6.5V
6.5V
3
.
3
V
2.6V
DL
3
.
3
V
D
3
.
3
V_BCM740x
D
3
.
3
V
2.6V
D2.6V_BCM740x
A2.6V_BCM740x
A
3
.
3
V_BCM740x
VDAC_AVDD
33
DDR_VREF0
DDR_VREF1
DDR_VTT
1.2V
D1.2V_BCM740x
A1.2V_BCM740x
+
3
V
3
FE
R
b
R
a
C1
83
0.1
u
C1
83
0.1
u
+
EC27
100
u
/25V
+
EC27
100
u
/25V
R217
3
.9K/1
%
R217
3
.9K/1
%
C190
0.1
u
C190
0.1
u
R229
3
00/1
%
R229
3
00/1
%
R206
10K/1
%
R206
10K/1
%
+
EC2
3
100
u
/25V
+
EC2
3
100
u
/25V
L16
D/4.7
u
H/5A
L16
D/4.7
u
H/5A
1
2
LED2
LED/G/06
LED2
LED/G/06
THERMAL PAD_U16
THERMAL PAD 6160 10.5
*
9
THERMAL PAD_U16
THERMAL PAD 6160 10.5
*
9
R216
2.2/1
%
R216
2.2/1
%
R219
2.2/1
%
R219
2.2/1
%
C16
8
1
u
/25V/0
8
C16
8
1
u
/25V/0
8
+
EC
33
100
u
/25V
+
EC
33
100
u
/25V
C151
4.7
u
/10V/12
C151
4.7
u
/10V/12
VIN
14
VCC
2
8
S
OFT1
12
BOOT1
6
UGATE1
5
PHA
S
E1
4
I
S
EN1
7
LGATE1
2
PGND1
3
V
S
EN1
10
VOUT1
9
EN1
8
PG1
15
OC
S
ET1
11
S
OFT2
17
BOOT2
2
3
UGATE2
24
PHA
S
E2
25
I
S
EN2
22
LGATE2
27
PGND2
26
V
S
EN2
19
VOUT2
20
EN2
21
PG2/REF
16
OC
S
ET2
1
8
GND
1
DDR
1
3
U19
FAN5026
U19
FAN5026
R19
8
33
0/06
R19
8
33
0/06
+
EC
3
0
33
0
u
/16V
+
EC
3
0
33
0
u
/16V
TP6
*
TP
TP6
*
TP
R20
3
10K/1
%
R20
3
10K/1
%
C155
4.7
u
/10V/12
C155
4.7
u
/10V/12
+
EC1
3
100
u
/25V
+
EC1
3
100
u
/25V
+
EC19
470
u
/16V
+
EC19
470
u
/16V
C170
*
0.1
u
C170
*
0.1
u
L42
FB/4A/0
8
L42
FB/4A/0
8
C95
0.1
u
C95
0.1
u
C16
3
1
u
/25V/0
8
C16
3
1
u
/25V/0
8
C1
8
2
1
u
/25V/0
8
C1
8
2
1
u
/25V/0
8
C175
1n
C175
1n
L24
FB/4A/0
8
L24
FB/4A/0
8
C160
0.1
u
C160
0.1
u
C162
1
u
/25V/0
8
C162
1
u
/25V/0
8
FB
1
En
2
OC
S
ET
3
Vcc
4
OUT2
5
OUT1
6
V
ss
1
7
V
ss
2
8
U1
8
AX
3
101
S
A
U1
8
AX
3
101
S
A
+
EC24
100
u
/25V
+
EC24
100
u
/25V
C166
0.1
u
C166
0.1
u
L26
FB/4A/0
8
L26
FB/4A/0
8
R207
1.
3
K/1
%
/06
R207
1.
3
K/1
%
/06
L21
FB/4A/0
8
L21
FB/4A/0
8
+
EC16
220
u
/25V
+
EC16
220
u
/25V
1
2
DP1
S
R
3
40
S
DP1
S
R
3
40
S
R220
6
8
0
R220
6
8
0
L15
D/
33u
H/
3
A
L15
D/
33u
H/
3
A
C176
1
u
/25V/0
8
C176
1
u
/25V/0
8
R210
1.4K/1
%
/06
R210
1.4K/1
%
/06
R194
10K/1
%
/06
R194
10K/1
%
/06
R225
4.
3
K/1
%
R225
4.
3
K/1
%
C1
8
4
*
10n/50V
C1
8
4
*
10n/50V
Adj.
1
Vo
u
t
2
Vin
3
4
4
U20
AX10
8
4-ADJ-TO252
U20
AX10
8
4-ADJ-TO252
C1
8
5
0.01
u
C1
8
5
0.01
u
+
EC22
33
0
u
/16V
+
EC22
33
0
u
/16V
+
EC20
470
u
/16V
+
EC20
470
u
/16V
C1
88
0.01
u
C1
88
0.01
u
L20
FB/4A/0
8
L20
FB/4A/0
8
R195
1K/06
R195
1K/06
2
3
4
5
7
1
6
8
Q1
FD
S8
9
8
4
Q1
FD
S8
9
8
4
+
EC
3
2
220
u
/25V
+
EC
3
2
220
u
/25V
+
EC2
8
1000
u
/6.
3
V
+
EC2
8
1000
u
/6.
3
V
C150
0.1
u
C150
0.1
u
C1
8
9
0.01
u
C1
8
9
0.01
u
C1
8
1
0.1
u
C1
8
1
0.1
u
L1
3
FB/4A/0
8
L1
3
FB/4A/0
8
+
EC
3
1
33u
/25V
+
EC
3
1
33u
/25V
C15
8
1
u
/25V/0
8
C15
8
1
u
/25V/0
8
C154
*
10n/50V
C154
*
10n/50V
L17
D/4.7
u
H/5A
L17
D/4.7
u
H/5A
+
EC12
220
u
/25V
+
EC12
220
u
/25V
+
EC9
100
u
/25V
+
EC9
100
u
/25V
Adj.
1
Vo
u
t
2
Vin
3
4
4
U16
AX1117DA-ADJ-TO252
U16
AX1117DA-ADJ-TO252
1
2
3
Q2
BC
8
47
Q2
BC
8
47
+
EC17
470
u
/16V
+
EC17
470
u
/16V
R222
1K/1
%
R222
1K/1
%
R21
8
2.2/1
%
R21
8
2.2/1
%
R226
47K
R226
47K
R209
10K/1
%
/06
R209
10K/1
%
/06
C1
8
0
0.1
u
C1
8
0
0.1
u
C152
1
u
/25V/0
8
C152
1
u
/25V/0
8
2
3
4
5
7
1
6
8
Q5
FD
S8
9
8
4
Q5
FD
S8
9
8
4
+B1
1
+B2
2
GND1
3
GND2
4
CON_PWR
D/Tyco 17
3
5446-4
CON_PWR
D/Tyco 17
3
5446-4
R19
3
33
0/06
R19
3
33
0/06
C159
33
n/06
C159
33
n/06
C149
470p
C149
470p
R205
10K/1
%
/06
R205
10K/1
%
/06
R199
0/0
8
R199
0/0
8
R22
8
100/1
%
R22
8
100/1
%
L4
8
FB/4A/0
8
L4
8
FB/4A/0
8
L1
8
FB/4A/0
8
L1
8
FB/4A/0
8
C177
1n
C177
1n
C167
0.1
u
C167
0.1
u
R201
200/1
%
R201
200/1
%
R212
3
.
3
K
R212
3
.
3
K
L14
FB/4A/0
8
L14
FB/4A/0
8
+
EC26
470
u
/16V
+
EC26
470
u
/16V
R196
33
0/06
R196
33
0/06
C110
10
u
/10V/0
8
C110
10
u
/10V/0
8
R211
2.2/1
%
R211
2.2/1
%
2
3
4
5
7
1
6
8
Q4
FD
S8
9
8
4
Q4
FD
S8
9
8
4
C164
1
u
/25V/0
8
C164
1
u
/25V/0
8
L25
FB/4A/0
8
L25
FB/4A/0
8
FB4
FB/4A/0
8
FB4
FB/4A/0
8
C157
1
u
/25V/0
8
C157
1
u
/25V/0
8
R204
33
0/1
%
R204
33
0/1
%
+
EC15
220
u
/25V
+
EC15
220
u
/25V
R215
2.2/1
%
R215
2.2/1
%
1
2
3
Q
3
BC
8
47
Q
3
BC
8
47
R202
2.2K/1
%
/06
R202
2.2K/1
%
/06
R227
47K
R227
47K
C15
3
0.1
u
C15
3
0.1
u
R20
8
100K
R20
8
100K
R214
2.2/1
%
R214
2.2/1
%
L19
FB/4A/0
8
L19
FB/4A/0
8
L22
FB/4A/0
8
L22
FB/4A/0
8
3
1
2
D1
BAT54A/
S
OT
D1
BAT54A/
S
OT
C172
1n
C172
1n
C1
8
6
0.1
u
C1
8
6
0.1
u
C1
8
7
470p
C1
8
7
470p
TP9
*
TP
TP9
*
TP
R221
11.5K/1
%
R221
11.5K/1
%
R197
0/0
8
R197
0/0
8
C17
3
*
0.01
u
C17
3
*
0.01
u
R224
10K/1
%
R224
10K/1
%
C161
470p
C161
470p
C171
1n
C171
1n
C165
1n
C165
1n
C179
0.1
u
C179
0.1
u
C156
4.7
u
/10V/12
C156
4.7
u
/10V/12
R200
47K/06
R200
47K/06
+
EC14
100
u
/25V
+
EC14
100
u
/25V
+
EC1
8
470
u
/16V
+
EC1
8
470
u
/16V
C174
*
0.01
u
C174
*
0.01
u
R22
3
1K/1
%
R22
3
1K/1
%
C17
8
0.1
u
C17
8
0.1
u
TP
8
*
TP
TP
8
*
TP
+
EC21
33
0
u
/16V
+
EC21
33
0
u
/16V
TP7
*
TP
TP7
*
TP
VIN
1
GND
5
GND
6
VDDQ
8
VTT
3
ADJ
S
D
7
NC1
2
NC2
4
ePAD
9
U17
CM
3
202
U17
CM
3
202
C169
*
0.1
u
C169
*
0.1
u
R21
3
3
.
3
K
R21
3
3
.
3
K
+
EC25
33
0
u
/16V
+
EC25
33
0
u
/16V
1
8
610_500_090605.ep
s
090605
Power