DRV8323RS Hardware User Guide¶
1. Hardware Required¶
LP-MSPM0G3507 - MSPM0G3507 Launchpad
BOOSTXL-DRV8323RS - BOOSTXL-DRV8323RS is a 15A, 3-phase brushless DC drive stage based on the DRV8323RH gate driver and CSD88599Q5DC NexFET™ power block
DC Power supply that supports the required voltage and current
Brushless-DC Motor
Micro-USB cable
2. Hardware Setup¶
Remove the PA26 jumper J18 in the LP-MSPM0G3507 as shown below.
Fig. 24 J3 header removed in LP-MSPM0G3507¶
Connect the LP-MSPM0G3507 to the BOOSTXL-DRV8323RS in one of two ways:
Plug the connectors J3 and J4 of the BOOSTXL-DRV8323RS to the top of the connectors J3/J4 of the LP-MSPM0G3507.
If using the jumper wires, connect as shown in the table below. Refer to the schematic of J3 and J4 connector pinout on BOOSTXL-DRV8323RS for the location of the signals.
Fig. 25 BOOSTXL-DRV8323RS J3 and J4 connector pinout¶
Connection
MSPM0G3507
BOOSTXL-DRV8323RS
Phase A HS input
PB4
INHA
Phase A LS input
PB1
INLA
Phase B HS input
PA28
INHB
Phase B LS input
PA31
INLB
Phase C HS input
PB20
INHC
Phase C LS input
PB13
INLC
Serial clock input
PB9
SCLK
Serial data input
PB8
SDI
Serial data output
PB7
SDO
Chip Select
PB0
nSCS
Bus voltage input
PA25
VSENVM
Phase A current input
PA17
ISENA
Phase B current input
PA24
ISENB
Phase C current input
PA18
ISENC
Fault Input
PA27
nFAULT
DRV Enable output
PA26
ENABLE
Common Ground
GND
GND
For using the IPD startup feature user needs to additionally make the below connections :
Connection
MSPM0G3507
BOOSTXL-DRV8323RS
COMP A input
PA14
ISENA
COMP B input
PB26
ISENB
COMP C input
PB21
ISENC
Connect the 3 phases of the BLDC motor to A/B/C of connector J5 on the BOOSTXL-DRV8323RS.
Connect the positive and negative of the power supply to VM and GND of the power connector terminal block to the
Set the power supply to to a motor voltage between 4.5V to 34V within the DRV8323RS specifications and a 5-A current limit. Turn on the power supply. The green VM LED on the BOOSTXL-DRV8323RS should turn on.
Connect a Micro-USB cable from the LP-MSPM0G3507 to the PC.
Once all steps are completed you can start to run the motor. Please refer to Software User Guide or GUI User Guide.