Datasheet
GND
GND
GND
Orange
Orange
Orange
Orange
Orange
GND
GND
GVDD
GND
GVDD
GVDD
GND
GND
GND
GND
0.1ufd/100V
0805
C37
0.1ufd/100V
0805
C43
0.1ufd/100V
0805
C46
2
3
1
S1
1
3
2
RSTB
47K
0603
R37
0.1ufd/16V
0603
C33
1.0ufd/16V
0603
C35
1.0ufd/16V
0603
C34
1.0ufd/16V
0603
C30
30ohms/6A
0805
L2
30ohms/6A
0805
L3
30ohms/6A
0805
L4
47ufd/16V
M
C31
+
1.0ufd/16V
0603
C32
PVDD
499
0603
R39
1000pfd/100V
0603
C50
GND
GND
PVDD
PVDD
OUTC
OUTB
OUTA
10.0K
0603
R38
499
0603
R43
1000pfd/100V
0603
C56
GND
GND
10.0K
0603
R42
499
0603
R45
1000pfd/100V
0603
C55
10.0K
0603
R44
+3.3V
GND
0.1ufd/16V
0603
C23
33 1/8W
0805
R18
931
0603
R34
931
0603
R35
619
0603
R29
619
0603
R30
931
0603
R33
0.0
0603
R21
0.0
0603
R22
0.0
0603
R23
1.0 1/4W
0805
R36
0.1ufd/100V
0805
C36
0.1ufd/100V
0805
C42
0.1ufd/100V
0805
C45
619
0603
R31
Orange
OUT_C
Orange
OUT_B
Orange
OUT_A
0.01 1W
1206
R50
15.4K
0603
R49
15.4K
0603
R55
15.4K
0603
R54
220pfd/50V
0603
C20
220pfd/50V
0603
C21
220pfd/50V
0603
C22
220pfd/50V
0603
C27
220pfd/50V
0603
C26
220pfd/50V
0603
C28
10.2K
0603
R25
10.2K
0603
R26
10.2K
0603
R27
1000pfd/50V
0603
C60
GND
GND
1000pfd/50V
0603
C59
1000pfd/50V
0603
C58
HTSSOP44-DDW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
DRV8312DDW
U1
HTSSOP44-DDW
U1
PowerPad
GND
619
0603
R28
931
0603
R32
15.4K
0603
R48
220pfd/50V
0603
C19
220pfd/50V
0603
C25
1000pfd/50V
0603
C57
1
2
3
M1
2
3
1
RSTC
0.01 1W
1206
R53
0.01 1W
1206
R52
GND
0.005 1W
1206
R51
10.2K
0603
R24
0.0
0603
R20
30.1K
0603
R41
GND
30.1K
0603
R40
GND
+2.5V
+2.5V
+2.5V
+2.5V
30.1K
0603
R16
GND
30.1K
0603
R62
GND
SOT23-DBV
2
1
5
4
3
OPA365AIDBV
OA1
+IN
-IN
V-
VOUT
V+
GND
OA2
OPA365AIDBV
3
4
5
1
2
SOT23-DBV
+IN
-IN
V-
VOUT
V+
+3.3V
GND
GND
V-
SOT23-DBV
2
1
5
4
3
OPA365AIDBV
OA3
+IN
-IN
VOUT
V+
+3.3V
GND
0.1ufd/16V
0603
C29
33 1/8W
0805
R63
GND
R19
0805
33 1/8W
C24
0603
0.1ufd/16V
OA4
OPA365AIDBV
3
4
5
1
2
SOT23-DBV
V-
+IN
-IN
VOUT
V+
+3.3V
GND
C39
0603
0.1ufd/16V
R64
0805
33 1/8W
GND
STUFF OPTION
STUFF OPTION
ROUTED GROUND
(SHIELDED FROM GND PLANE)
IS-IhbB
IS-IhbA
IS-IhbC
ADC-Vhb2
IS-TOTAL
IS-IhbA IS-IhbB
IS-IhbC
IS-TOTAL
DRV8312
DRV8332
SLES256D –MAY 2010–REVISED JANUARY 2014
www.ti.com
Figure 13. DRV8312 Schematic Example
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