Schematic

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Buck-Boost Controller
Buck-Boost Power
Rfu = ((Vout - 0.8)/0.8) * Rfd
Rfu
Rfd
ROBOTIS / OROCA
DC_BB_CSG
DC_BB_CS
DC_BB_HDRV1
DC_BB_LDRV1 DC_BB_LDRV2
DC_BB_HDRV2
DC_BB_CS
DC_BB_CSG
DC_BB_HDRV1
DC_BB_LDRV1
DC_BB_LDRV2
DC_BB_HDRV2
DC_BB_VCCOUT
DC_BB_SW 1
DC_BB_SW 1
DC_BB_SW 2
DC_BB_VCCOUT
DC_BB_VCCOUT
DC_BB_BOOT2
DC_BB_BOOT2
DC_BB_VCCOUT
DC_BB_SW 2
DC_BB_VCCINDC_BB_VCCIN
DC_BB_VCCIN
DC_BB_VCCIN
DC_BB_VCCOUT
DC_BB_VCCIN DC_BB_VCCOUT VDD12o0V
Title
Size Document Number R e v
Date: Sheet o f
BUK-BST POWER F
OpenCR
A3
10 12Friday, April 14, 2017
Title
Size Document Number R e v
Date: Sheet o f
BUK-BST POWER F
OpenCR
A3
10 12Friday, April 14, 2017
Title
Size Document Number R e v
Date: Sheet o f
BUK-BST POWER F
OpenCR
A3
10 12Friday, April 14, 2017
D17
SS34
A C
R58
R6432-0.01R
R126 R1608-280K
+
EC5
BXJ(D5/L5.3), 22uF, 25V
12
D18
SS34
AC
C72 C2012-220nF-50V
R127 R1608-20K
C91
C1005-47pF-50V
C88 C1005-8.2nF-16V
+
EC2
BXJ(D5/L5.3), 22uF, 25V
12
R129
R1608-20K
D14
SS34
A C
Q7
CSD17577Q3A
4
6
2 3 1
5 7 8
C90
C1005-0.1uF-35V
+
EC6
BXJ(D8/L10), 68uF, 50V
12
R110 R1608-10R
C86 C1005-22nF-25V
U17
LM5175PW PR
VCC
23
BIAS
24
EN
1
VOSNS
12
VIN
2
VINSNS
3
HDRV1
27
SS
8
COMP
9
MODE
4
BOOT1
26
SW1
28
LDRV1
25
FB
11
PGOOD
17
HDRV2
19
RT_SYNC
6
DITH
5
BOOT2
20
SW2
18
LDRV2
21
ISNS
13
SLOPE
7
ISNS+
14
CS
16
AGND
10
PGND
22
PAD
29
CSG
15
Q6
CSD17302Q5A
4
6
2 3 1
5 7 8
R116 R1608-93.1K
+
EC4
BXJ(D5/L5.3), 22uF, 25V
12
R117 R1005-63.4K
R59 R1608-100R
R112 R1005-63.4K
C66
C1005-0.1uF-35V
Q8
CSD18537NQ5A
4
6
2 3 1
5 7 8
R122 R1005-5.36K
C89 C1005-150pF-50V
C85
C1005-100pF-25V
R60 R1608-100R
Q5
CSD17577Q3A
4
6
2 3 1
5 7 8
L2
XAL6060-472MEB
1 2
D13
SS24
A C
D20
SS34
AC
C87
C3216-1uF-50V
C83 C1005-0.1uF-35VR115 R1005-63.4K
R119 R1608-0R