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8.6 MCT8317 3-Phase Sensorless Trapezoidal Integrated Driver
AVDD
AGND
VCP
C1
VM
1µF
16V
C4
C6
50V
63V
0.1uF
10uF
DACOUT1
PGND
PGND
DACOUT2
DACOUT2/SOX
AVDD
R14
1.74k
Figure 8-6. MCT8317 3-Phase Sensorless Trapezoidal Integrated Driver Schematic
8.7 Status LEDs
SLLU360 – DECEMBER 2022
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AVDD
C5
DVDD
1µF
DVDD
6.3V
C3
1µF
VIN_AVDD
6.3V
AGND
SPEED/WAKE
EXT_WD EXT_CLK
SPEED/WAKE
EXT_CLK
EXT_WD
DACOUT1
DACOUT2
DACOUT2/SOX
AVDD
AVDD
BRAKE
FG
DIR
R10
R13
10.0k
FG
1.74k
nFAULT
MCX_SCL
R15
0
SCL
MCX_SDA
R16
0
SDA
ALARM
AVDD LED
nFAULT LED
AVDD
AVDD
D1
D2
Green
Red
R17
R18
1.00k
1.00k
nFAULT
AGND
Figure 8-7. Status LEDs Schematic
Copyright © 2022 Texas Instruments Incorporated
U1
3
AVDD
23
AVDD
1
DVDD
7
VI N_AVDD
8
VM
9
VM
20
VM
21
VM
24
SPEED/W AKE
30
EXT_CLK
29
EXT_WD
34
DACOUT1
33
DACOUT2
32
DACOUT2/S Ox
31
BRAKE
28
DI R
25
FG
36
FAULT
27
SCL
26
SDA
35
ALARM
Therm al_Pad
MCT8317A0IREER
ALARM LED
VM LED
VM
ALARM
D3
Red
R19
R20
2.2k
4.70k
PGND
AGND
Schematics
CP
VCP
6
CP
CPH
5
C7
CPH
4
50V
CPL
CPL
0.1uF
11
OUTA
OUTA
12
OUTA
14
OUTB
OUTB
15
OUTB
17
OUTC
OUTC
18
OUTC
22
AGND
2
DGND
10
PGND
13
PGND
AGND
16
PGND
19
PGND
37
PGND
AGND
D4
Green
MCT8317EVM Evaluation Module
OUTA
OUTB
OUTC
15
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