Texas Instruments DRV8329AEVM User Manual Download | Manualshive

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Figure 4-2. Connections from motor to DRV8329AEVM

and

shows where the Micro-USB cable is plugged in to the LAUNCHXL-F280049C to

provide communication between the LaunchPad firmware and GUI as well as the correct installment of the
DRV8329AEVM to the J1/J3 and J2/J4 headers of the LaunchPad.

Hardware and Software Overview

8

DRV8329AEVM User’s Guide

SLVUCF5 – MARCH 2022

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Copyright © 2022 Texas Instruments Incorporated

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Summary of Contents for DRV8329AEVM

Page 1: ...8329AEVM GUI 16 6 2 DRV8329x EVM GUI Quick Start Guide 17 6 3 Using the DRV8329AEVM GUI 17 7 Schematics 19 7 1 DRV8329A B 19 7 2 Status LEDs 19 7 3 LaunchPad Connectors and Connections 20 7 4 Power St...

Page 2: ...d Protection schematic 23 List of Tables Table 2 1 DRV8329 device variant names and descriptions default of EVM in bold 4 Table 4 1 Description of DRV8329AEVM LEDs on during power up in bold 10 Table...

Page 3: ...Read the User s Guide before use HOT SURFACE Caution Hot Surface Contact may cause burns Do not touch Please take the proper precautions when operating www ti com Cautions and Warnings SLVUCF5 MARCH...

Page 4: ...vice variant names and descriptions default of EVM in bold Device Name LDO Output DRVOFF pin DT pin and VDSLVL pin PWM_MODE DRV8329A 3 3 V Yes Available 6x DRV8329B 3 3 V Yes Available 3x The DRV8329A...

Page 5: ...Figure 2 1 DRV8329AEVM PCB Layout www ti com Introduction SLVUCF5 MARCH 2022 Submit Document Feedback DRV8329AEVM User s Guide 5 Copyright 2022 Texas Instruments Incorporated...

Page 6: ...applications connect the Hall sensors to the appropriate locations on the 5 pin connector J11 as shown in Figure 4 2 Select AVDD or EXT on jumper J11 to choose the Hall power source voltage 3 Mate the...

Page 7: ...sorless Brushless DC motor A 4 5 V to 60 V power supply or battery is connected to the PVDD and GND terminals The three phases of the BLDC motor connect directly to the OUTA OUTB and OUTC terminals of...

Page 8: ...L F280049C to provide communication between the LaunchPad firmware and GUI as well as the correct installment of the DRV8329AEVM to the J1 J3 and J2 J4 headers of the LaunchPad Hardware and Software O...

Page 9: ...J1 J3 and J2 J4 of LaunchPad Figure 4 4 Micro USB plugged into LaunchPad www ti com Hardware and Software Overview SLVUCF5 MARCH 2022 Submit Document Feedback DRV8329AEVM User s Guide 9 Copyright 202...

Page 10: ...LEDs that are on during power up indicated in bold Figure 4 5 shows the LED locations on the EVM These LEDs all have removable jumpers to reduce power consumed by the EVM Table 4 1 Description of DRV8...

Page 11: ...ors GHA GHB GHC GLA GLB GLC R25 C12 R26 C13 R27 C14 R40 C26 R41 C24 R42 C25 DNP RC snubbers HS FET A HS FET B HS FET C LS FET A LS FET B LS FET C C18 C20 C44 2 2uF PVDD VDRAIN bypass capacitor C21 C22...

Page 12: ...nd replace with the DRV8329B No extra hardware changes are required for 3x PWM operation 4 5 Interfacing DRV8329AEVM and LAUNCHXL F280049C LaunchPad The DRV8329AEVM has 40 pins with different function...

Page 13: ...ot used 20 VDSLVL C_TAP ADCINA1 DACB_OUT VDSLVL from DAC C_TAP for internal use only Table 4 4 Connections for Header J2 on DRV8329AEVM J4 Pin Number DRV8329AEVM Function LAUNCHXL F280049C Function De...

Page 14: ...ensor B from motor 19 nFAULT_49C CSAREF GPIO25 nFAULT signal active low 20 HALLC GPIO59 Hall sensor C from motor Note There are many resistors that are not populated for internal use only Ensure the c...

Page 15: ...three phases from the brushless DC motor to the 3 pin connector J12 on DRV8329AEVM Phases OUTA OUTB and OUTC are labeled in white silkscreen on the PCB top layer If using a sensored algorithm on the L...

Page 16: ...er 1 0 0 DRV8329B https dev ti com gallery view BLDC DRV8329B_EVM_GUI ver 1 0 0 6 1 Connecting to the DRV8329AEVM GUI Follow the instructions in Section 5 and ensure the LAUNCHXL F280049C is connected...

Page 17: ...tch To not use the potentiometer to control the motor speed skip this step 5 Adjust the Duty Cycle slider or enter the duty cycle in the number box to control the speed of the motor from 0 to 100 6 Us...

Page 18: ...RAKING SETTINGS Stop Motor Stops the motor when toggled according to the braking method in the drop down menu The two methods are brake turn on all low side MOSFETs and coast float all MOSFETs CSA SET...

Page 19: ...A B Figure 7 1 DRV8329A B schematic 7 2 Status LEDs Figure 7 2 Status LEDs schematic www ti com Schematics SLVUCF5 MARCH 2022 Submit Document Feedback DRV8329AEVM User s Guide 19 Copyright 2022 Texas...

Page 20: ...ors schematic Figure 7 4 LaunchPad connections schematic 7 4 Power Stage and MOSFETs Figure 7 5 Powerstage and MOSFETs schematic Schematics www ti com 20 DRV8329AEVM User s Guide SLVUCF5 MARCH 2022 Su...

Page 21: ...schematic 7 6 Hall Sensor and Hall Power selection Figure 7 7 Hall Sensor and Hall Power selection schematic www ti com Schematics SLVUCF5 MARCH 2022 Submit Document Feedback DRV8329AEVM User s Guide...

Page 22: ...lectors and Analog Control Interface schematic 7 8 Dead Time and CSA Gain Selection Figure 7 9 Dead time and CSA gain selection schematic Schematics www ti com 22 DRV8329AEVM User s Guide SLVUCF5 MARC...

Page 23: ...Sense and Protection Figure 7 10 Voltage Sense and Protection schematic www ti com Schematics SLVUCF5 MARCH 2022 Submit Document Feedback DRV8329AEVM User s Guide 23 Copyright 2022 Texas Instruments I...

Page 24: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...

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