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User’s Guide
BOOSTXL-DRV8320RS EVM User’s Guide
ABSTRACT
This document is provided with the BOOSTXL-DRV8320RS customer evaluation module (EVM) as a
supplement to the DRV832x 6 to 60-V Three-Phase Smart Gate Driver Data Sheet. This user's guide details the
hardware implementation of the EVM and introduces accompanying software.
Note
Follow the general ESD precautionary measures when operating this EVM.
Table of Contents
1 Introduction.............................................................................................................................................................................2
1.1 Overview............................................................................................................................................................................ 2
1.2 Purpose and Scope............................................................................................................................................................2
2 Hardware and Software Overview.........................................................................................................................................3
2.1 Hardware Connections Overview – DRV8320RS + TMS320F28004xC............................................................................3
2.2 Connection Details............................................................................................................................................................. 3
2.3 LED Lights..........................................................................................................................................................................5
2.4 Interfacing DRV8320RS and TMS320F280049C LaunchPad........................................................................................... 5
3 Getting Started........................................................................................................................................................................7
3.1 Install the MotorControl SDK..............................................................................................................................................7
3.2 Hardware Setup................................................................................................................................................................. 7
4 References.............................................................................................................................................................................. 7
5 Revision History......................................................................................................................................................................8
List of Figures
Figure 1-1. Block Diagram........................................................................................................................................................... 2
Figure 2-1. Hardware Connections Overview..............................................................................................................................3
Figure 2-2. Connections.............................................................................................................................................................. 3
Figure 2-3. Jumper Connections 1.............................................................................................................................................. 4
Figure 2-4. Micro-USB Connection..............................................................................................................................................4
Figure 2-5. Switches and LED Functions.................................................................................................................................... 5
List of Tables
Table 2-1. J1 BOOSTXL-DRV8320RS Pin Connections............................................................................................................. 5
Table 2-2. J2 BOOSTXL-DRV8320RS Pin Connections............................................................................................................. 6
Table 2-3. J3 BOOSTXL-DRV8320RS Pin Connections............................................................................................................. 6
Table 2-4. J4 BOOSTXL-DRV8320RS Pin Connections............................................................................................................. 6
Table 3-1. LAUNCHXL-F280049C Configurations Table............................................................................................................. 7
Trademarks
C2000™, Piccolo™, and InstaSPIN™ are trademarks of Texas Instruments.
BoosterPack™ is a trademark of Texas Instruments.
All trademarks are the property of their respective owners.
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1 Introduction
1.1 Overview
The DRV8320RS is a gate driver IC for three phase motor drive applications. It provides three high-accuracy
trimmed and temperature-compensated half bridge drivers, each capable of driving a high-side and low-side
N-type MOSFET.
The DRV8320RS uses SPI to provide detailed fault reporting and flexible parameter settings such as current
control options for slew rate control of the gate drivers and various protection features.
BOOSTXL-DRV8320RS has been designed to work with the LAUNCHXL-F280049C LaunchPad. The C2000™
Piccolo™ TMS320F280049C has integrated programmable gain amplifiers (PGA), which allow for a low cost
method of current sensing. This completely eliminates the need for external op-amps.
A full suite of software for evaluation of the DRV8320RS, F28004xC and InstaSPIN™-FOC can be found in the
C2000Ware MotorControl SDK.
6 to 60 V
DRV832x
Three-Phase
Smart Gate Driver
PWM
Gate Drive
Current
Sense
Current Sense
N-Channel
MOSFETs
nFAULT
M
SPI or H/W
600 mA
Protection
Controller
Buck Regulator
Copyright © 2017, Texas Instruments Incorporated
Figure 1-1. Block Diagram
1.2 Purpose and Scope
This document is designed to be used as a startup guide and to supplement the MotorControl SDK. This
document is intended for the engineers involved in the design, implementation, and validation of the DRV832xx
gate driver with a TMS320F28004xC device.
The scope of this document is to provide the user with a guide to evaluate the DRV8320RS device with a
LAUNCHXL-F280049C development kit. This document covers the hardware connections required between
DRV8320RS and the LaunchPad development kit. When the HW connections are complete, the user is required
to download the MotorControl SDK to spin a motor.
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2 Hardware and Software Overview
2.1 Hardware Connections Overview – DRV8320RS + TMS320F28004xC
Figure 2-1 shows the major blocks of the hardware where the BOOSTXL-DRV8320RS BoosterPack™ plug-in
module is mounted on the LAUNCHXL-F280049C LaunchPad development kit. The BOOSTXL-DRV8320RS is
designed for an input supply from 6 to 54 V and up to 15-A drive current. Three half h-bridges capable of driving
a three-phase BLDC motor using sensorless field oriented or vector control. The 3.3-V supply to the LaunchPad
is derived by the LMR16006XDDCR buck converter integrated in the DRV8320RS.
3x CSD88584Q5DC
TPD4S009DCKRG4
DRV8320RS
Figure 2-1. Hardware Connections Overview
2.2 Connection Details
Figure 2-2 shows the power connector and motor phase connector. A supply voltage ranging from 6 to 54 V from
a battery or a DC voltage source is connected to the voltage supply pins. Three phases of the BLDC motor are
connected to the three-phase motor socket provided on the BOOSTXL-DRV8320RS.
MotorPower
Ground
Gate Headers
High-side Source
Headers
Figure 2-2. Connections
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Figure 2-3 shows the connections required for the proper functioning of the software. A detailed description of
each pin's function can be found in Table 2-1.
Figure 2-3. Jumper Connections 1
Figure 2-4 shows the LAUNCHXL-F2800049C. Only one cable is required to provide communication and power
to the LaunchPad's onboard XDS110 emulator. Because the DRV8320RS provides power to the F280049C it is
important to configure the jumpers as described in Table 3-1 to avoid shunting separate sources together.
Micro-USB
Connector
Figure 2-4. Micro-USB Connection
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2.3 LED Lights
Two LEDs have been provided to indicate different statuses of the motor controller.
3.3 V Power Good
Indicator
Fault Indicator
User
Controlled
Indicator
Figure 2-5. Switches and LED Functions
"FLT" and
"LED"
LEDs
The fault(FLT) LED is controlled by the DRV8320's "Fault" pin. The fault pin is driven by the
DRV8320X to indicate a wide variety of warning and error conditions. Descriptions of these can
be found in the DRV832x 6 to 60-V Three-Phase Smart Gate Driver Data Sheet. The LED marked
"LED" is available for the user to control and is active low.
2.4 Interfacing DRV8320RS and TMS320F280049C LaunchPad
The DRV8320RS device has 40 pins with different functions. These pins are interfaced with the LAUNCHXL-
F280049C, which is mapped appropriately to receive the functionality of the BoosterPack plug-in module. These
40 pins are grouped into 4 ports. Table 2-1 lists the interfacing of these ports with the TMS320F280049C device.
Table 2-1. J1 BOOSTXL-DRV8320RS Pin Connections
BOOSTXL-DRV8320RS
Function
LAUNCHXL-F280049 Site1
Function
LAUNCHXL-F280049
Site2 Function Description
J1 Header
1 3.3 V 3.3 V 3.3 V 3.3 V LaunchPad supply
2 PGA Ground PGA1/3/5_GND PGA2/6/6_ Current sense ground
3 Enable GPIO13 GPIO28 Logic low to enter a low-
power sleep mode
4 nFault GPIO40 GPIO29 Pulled logic low during a
fault condition
5 —
6 —
7 SPI Clock GPIO56 (SPI CLK) GPIO22 Clock source for SPI
8 —
9 —
10 —
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Table 2-2. J2 BOOSTXL-DRV8320RS Pin Connections
J2 Header
BOOSTXL-DRV8320RS
Function
LAUNCHXL-F280049 Site1
Function
LAUNCHXL-F280049
Site2 Function Description
20 Ground Ground Ground Device Ground
19 nSCS GPIO57 GPIO27 Active low enables serial
interface communication
18 —
17 —
16 —
15 SDI GPIO16 (SPI MOSI) GPIO24 Data input to DRV832xx
14 SDO GPIO17 (SPI MISO) GPIO31 Data output from
DRV832xx
13 —
12 —
11 —
Table 2-3. J3 BOOSTXL-DRV8320RS Pin Connections
J3 Header
BOOSTXL-DRV8320RS
Function
LAUNCHXL-F280049 Site1
Function
LAUNCHXL-F280049
Site2 Function Description
21 —
22 Ground Ground Ground Device Ground
23 Voltage sense A ADCINA5 ADCINA6 Sensing A phase voltage
24 Voltage sense B ADCINB0 ADCINA2 Sensing B phase voltage
25 Voltage sense C ADCINC2 ADCINC14 Sensing C phase voltage
26 Voltage sense VM ADCINB1 ADCINC1 Sensing VM voltage
27 Current sense C PGA1_IN PGA4_IN Sensing A phase current
28 Current sense B PGA3_IN PGA6_IN Sensing B phase current
29 Current sense A PGA5_IN PGA2_IN Sensing C phase current
30 DAC bias input DACB_OUT DACA_OUT Voltage Bias for phase
current measurement
Table 2-4. J4 BOOSTXL-DRV8320RS Pin Connections
J4 Header
BOOSTXL-DRV8320RS
Function
LAUNCHXL-F280049 Site1
Function
LAUNCHXL-F280049
Site2 Function Description
40 INHA GPIO10 GPIO0 High-side gate driver
control input.
39 INLA GPIO11 GPIO1 Low-side gate driver
control input.
38 INHB GPIO8 GPIO6 High-side gate driver
control input.
37 INLB GPIO9 GPIO7 Low-side gate driver
control input.
36 INHC GPIO4 GPIO2 High-side gate driver
control input.
35 INLC GPIO5 GPIO3 Low-side gate driver
control input.
34 —
33 —
32 —
31 LED GPIO25 GPIO32 User-controlled LED
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3 Getting Started
3.1 Install the MotorControl SDK
The MotorControl SDK contains an entire suite of example software and labs written for the LAUNCHXL-
F280049C + BOOSTXL-DRV8320RS. It features InstaSPIN-FOC which is a FOC solution that can identify, tune
and control your motor in minutes.
3.2 Hardware Setup
The hardware required to run the motor controller is a LAUNCHXL-F280049C LaunchPad development kit, the
BOOSTXL-DRV8320RS BoosterPack plug-in module, a Micro-USB cable, and a power supply with a DC output
from 8 to 54 V. Follow these steps to start up the BoosterPack plug-in module:
1. Dock the BoosterPack to the LaunchPad. Site 1 and Site 2 of the LaunchPad are supported by software.
Note
To determine orientation of the BoosterPack ensure that the power and ground pins line up with
the LaunchPad.
Note
Depending on which site is used the user needs to ensure that the correct jumpers are populated.
Table 3-1 details these configurations.
Table 3-1. LAUNCHXL-F280049C Configurations Table
Site 1 Site 2 Both Site 1 and Site 2
J1 (1)
J2 (1) Remove Remove Remove
J3 (1)
JP8 (1) (2 jumpers) Remove Populate Remove
(1) This reference designator refers to the LAUNCHXL-F280049C's schematic.
2. Connect the three phases from the brushless DC motor to the J5 connector on the BOOSTXL-DRV8320RS
BoosterPack plug-in module. Phase A, B, and C are labeled in white silkscreen on the PCB top layer.
3. Connect the DC power supply to header J1.
Note
Observe the correct polarity of +VM and GND connections on the BOOSTXL-DRV8320RS
BoosterPack connection J1
4. Connect a Micro-USB cable to the LaunchPad development kit and computer.
5. Turn on the power supply and power up the PCB.
4 References
• Texas Instruments: DRV832x 6 to 60-V Three-Phase Smart Gate Driver Data Sheet
• Texas Instruments: TMS320F28004x Piccolo™ Microcontrollers Data Manual
• Texas Instruments: TMS320F28004x Piccolo Microcontrollers Technical Reference Manual
• Texas Instruments: C2000 Piccolo F28004x Series LaunchPad Evaluation Kit
• Hereby, DLP Design, Inc. declares that this evaluation kit is in compliance with the essential requirements
and other relevant provisions of EN 61326-1:2013. The full text of the EU declaration of conformity is
available at the following internet address: www.ti.com/lit/pdf/tipl12
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5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (August 2019) to Revision B (April 2021) Page
• Updated the numbering format for tables, figures and cross-references throughout the document...................2
• Update was made in Section 2.4........................................................................................................................ 5
• Updates were made in Section 3.2.....................................................................................................................7
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