DRV8307_15 Datasheet, PDF (22/34 Pages) Texas Instruments – DRV8307 Brushless DC Motor Controller

DRV8307
SLVSCK2 – APRIL 2014
9.2 Typical Application
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C1
47 µF
VM
C2
0.1 µF
GND
P1
2
1
Power
input
OSTTA024163
V
VLS_GATE
WHS_GATE
W
WLS_GATE
VHS_GATE
ULS_GATE
U
UHS_GATE
ISENSE
HU+
C10
HU– 0.1 µF
HV+
C11
HV– ^{0.1 µF}
HW+
C12
HW– ^{0.1 µF}
GND ^U1
HU+
HU–
HV+
HV–
HW+
HW–
VSW
1
2
3
4
5
6
7
8
9
10
HU+
HU–
HV+
HV–
HW+
HW–
VSW
RSVD
RSVD
RSVD
VREG
DRV8307
CP1
CP2
VCP
VM
GND
VINT
VREG
RSVD
ENABLEn
DIR
30 CP1 C13 0.1 µF
29 CP2
28 VCP
C14
27 VM
26 GND
25 VINT
C16
24 VREG
C17 0.1 µF
23
22 ENABLEn
21 DIR
1 µF
1 µF
VM
C15
0.1 µF
GND
VREG
R18
30 kΩ
R11
R13
R12
30 kΩ 30 kΩ 15 kΩ
HALLOUT
FAULTn
LOCKn
PWM
R23
30 kΩ
BRAKE
GND
VREG
R22
30 kΩ
Optional: Serial Resistors slow
FET turn-on time and reduce noise
UHS_GATE
R24 240 Ω
ULS_GATE
R25 0 Ω
VHS_GATE
VLS_GATE
R26 240 Ω
R27 0 Ω
ISENSE
WHS_GATE
WLS_GATE
R28 240 Ω
R29 0 Ω
R19
0.05 Ω
GND
Figure 13. Schematic
GND
U2
1
2
3
4
S1
G1
S2
G2
D1
D1
D2
D2
8
7
6
5
CSD88537ND
U3
1
2
3
4
S1
G1
S2
G2
D1
D1
D2
D2
8
7
6
5
CSD88537ND
U4
1
2
3
4
S1
G1
S2
G2
D1
D1
D2
D2
8
7
6
5
CSD88537ND
U
P2
1
Connector
V
2
for motor
3
phases
OSTTA034163
W
22
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