Datasheet

dsPICDEM™ MCLV-2 Development Board User’s Guide
DS52080A-page 22 2012 Microchip Technology Inc.
2.2.9 Motor Connector (J7)
The motor connector (J7) has 12 terminals. Table 2-3 shows the functionality of each
terminal.
Table 2-4 lists the test points that can be used to check various signals.
TABLE 2-3: MOTOR CONNECTOR DETAILS
Pin Terminal Name Function
1
+
External DC bus power supply
2 Ground
3 M3 Motor winding phase 3
4 M2 Motor winding phase 2
5 M1 Motor winding phase 1
6 G Ground
7
+5V Hall sensors/Quadrature encoder power supply
8 GND Hall sensors ground
9 HALLA Hall A/QEA feedback
10 HALLB Hall B/QEB feedback
11 HALLC Hall C/INDEX feedback
12 HOME Home signal feedback
TABLE 2-4: TEST POINTS
Test Points Description
HA Hall A/QEA feedback
HB Hall B/QEB feedback
HC Hall C/INDEX feedback
HOME Home signal feedback
PWM1H1 PWM output for leg 1 top switch
PWM1L1 PWM output for leg 1 bottom switch
PWM1H2 PWM output for leg 2 top switch
PWM1L2 PWM output for leg 2 bottom switch
PWM1H3 PWM output for leg 3 top switch
PWM1L3 PWM output for leg 3 bottom switch
Fault Fault pin
V1 Motor phase 1 voltage feedback
V2 Motor phase 2 voltage feedback
V3 Motor phase 3 voltage feedback
Ref 1.65V reference for current feedback
POT1 POT signal
MONITOR_1 Motor feedback signal 1
MONITOR_2 Motor feedback signal 2
MONITOR_3 Motor feedback signal 3
I1 Phase 1 current
I2 Phase 2 current
IBUS Bus current
P1 +3.3V (digital)
P2 GND (digital)
P3 +5V
P4 AV
DD
P5 +15V
AV
SS Analog ground
VBUS Bus voltage (downscaled)