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SLVUB95C – December 2017 – Revised August 2018

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Copyright © 2017–2018, Texas Instruments Incorporated

DRV10974 Evaluation Module

User's Guide

SLVUB95C – December 2017 – Revised August 2018

DRV10974 Evaluation Module

This document is provided with the DRV10974 customer evaluation module (EVM) as a supplement to

DRV10974 Three-Phase, Sensorless BLDC Motor Driver

. The user's guide details the hardware

implementation of the EVM and gives a step-by-step introduction to device operation.

Contents

1

DRV10974 EVM Kit Contents

..............................................................................................

3

2

Introduction

...................................................................................................................

3

2.1

Features

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3

3

Quick Start Guide

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5

4

DRV10974 Onboard Connections

.........................................................................................

7

4.1

Connector (P1) for Power Input

...................................................................................

7

4.2

Interface Connector (P2) for Phase Windings of Motor

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8

5

DRV10974 Package

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9

6

User Interface

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10

6.1

Jumpers

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10

6.2

Switch

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11

6.3

Test Points

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11

7

CS, RMP, and ADV Resistor Selection

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12

7.1

CS Resistor Table

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12

7.2

RMP Resistor Table

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13

7.3

ADV Resistor Table

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13

8

Schematic

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14

9

Bill of Materials (BOM)

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15

10

EVM Documentation

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16

List of Figures

1

DRV10974 EVM

.............................................................................................................

4

2

DRV10974 EVM With Various Connections and User Interface

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5

3

Jumper Configurations for Controlling Speed With Analog Voltage

..................................................

6

4

Jumper Configurations for Controlling Speed With PWM Signal

......................................................

6

5

Power Input Terminal Block (P1)

..........................................................................................

7

6

Motor Phase Windings Input Terminal Block (P2)

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8

7

DRV10974PWP Pinout

.....................................................................................................

9

8

CS Receptacle (J10)

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10

9

ADV Receptacle (J8)

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10

10

RMP Receptacle (J9)

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10

11

Speed Command Input Select Header (J3)

............................................................................

11

12

Potentiometer Power Header (J2)

.......................................................................................

11

13

DRV10974 EVM Schematic

...............................................................................................

14

List of Tables

1

Connector P1: 2-Terminal Connector to Connect Power

..............................................................

7

2

Connector P2: 3-Terminal Connector to Connect 3-Phase BLDC Motor

............................................

8

3

DRV10974PWP Pinout

.....................................................................................................

9

Summary of Contents for DRV10974 EVM

Page 1: ... Package 9 6 User Interface 10 6 1 Jumpers 10 6 2 Switch 11 6 3 Test Points 11 7 CS RMP and ADV Resistor Selection 12 7 1 CS Resistor Table 12 7 2 RMP Resistor Table 13 7 3 ADV Resistor Table 13 8 Schematic 14 9 Bill of Materials BOM 15 10 EVM Documentation 16 List of Figures 1 DRV10974 EVM 4 2 DRV10974 EVM With Various Connections and User Interface 5 3 Jumper Configurations for Controlling Speed...

Page 2: ... Copyright 2017 2018 Texas Instruments Incorporated DRV10974 Evaluation Module 4 Test Point Descriptions 11 5 CS Resistor Table 12 6 RMP Resistor Table 13 7 ADV Resistor Table 13 8 Bill of Materials for DRV10974EVM 15 Trademarks All trademarks are the property of their respective owners ...

Page 3: ...ion platform for the DRV10974 three phase sensorless BLDC motor driver 2 1 Features The EVM has the following features 180 Sinusoidal Commutation Soft Start With Resistor Configurable Acceleration Profile Protection Features Overcurrent Undervoltage Overtemperature Motor Lock Detect and Restart This document describes functions and locations of test points jumpers and connectors present on the DRV...

Page 4: ...LVUB95C December 2017 Revised August 2018 Submit Documentation Feedback Copyright 2017 2018 Texas Instruments Incorporated DRV10974 Evaluation Module Figure 1 DRV10974 EVM WARNING Hot surface Contact may cause burns Do not touch ...

Page 5: ...nd a voltage between 4 4 V and 18 V to pin 1 of connector P1 Power In Set the current limit on the power supply to 1 5 A and make sure switch S1 is in the Off Up position as shown in Figure 2 2 Use the default ADV RMP and CS resistor values or set them up in Section 7 3 Determine whether to use an analog voltage or PWM to control the speed of the motor For using an analog voltage to control the sp...

Page 6: ... August 2018 Submit Documentation Feedback Copyright 2017 2018 Texas Instruments Incorporated DRV10974 Evaluation Module Figure 3 Jumper Configurations for Controlling Speed With Analog Voltage Figure 4 Jumper Configurations for Controlling Speed With PWM Signal ...

Page 7: ... The DRV10974 device requires an external power supply 4 4 V to 18 V to operate Connector P1 provides the required interface for the external power supply The pin assignment of terminal P1 is as follows Figure 5 Power Input Terminal Block P1 1 Note that terminal 1 is denoted by the small silkscreened rectangle on the board at the right side of the terminal block Table 1 Connector P1 2 Terminal Con...

Page 8: ... for Phase Windings of Motor Connector P2 is used to interface the U V and W phases The pin assignments are as follows Figure 6 Motor Phase Windings Input Terminal Block P2 1 Note that terminal 1 is denoted by the small silkscreened rectangle on the board at the right side of the terminal block Table 2 Connector P2 3 Terminal Connector to Connect 3 Phase BLDC Motor TERMINAL DESCRIPTION 1 1 Phase U...

Page 9: ...nout is listed in Figure 7 Figure 7 DRV10974PWP Pinout Table 3 DRV10974PWP Pinout PIN NUMBER PIN NAME 1 ADV 2 FR 3 FG 4 PWM 5 V1P8 6 RMP 7 GND 8 CS 9 NC 10 PGND 11 U 12 V 13 W 14 VCC 15 VCP 16 GND The DRV10974PWP device is packaged in a 16 pin TSSOP package For detailed information about the DRV10974PWP device see DRV10974 Three Phase Sensorless BLDC Motor Driver NOTE The DRV10974EVM is only avail...

Page 10: ...ole resistors Otherwise R4 can be used for substitution of surface mount resistors Figure 9 ADV Receptacle J8 ADV J8 is the lead angle setting ADV connects a resistor to GND for lead angle setting This receptacle is meant for easy implementation of axial lead through hole resistors Otherwise R2 can be used for substitution of surface mount resistors Figure 10 RMP Receptacle J9 RMP J9 is the accele...

Page 11: ...tiometer Power J2 provides voltage from the V1P8 pin of the DRV10974 device to power the potentiometer This header must be jumpered to use the potentiometer 6 2 Switch The S1 switch allows the applied power supply voltage to reach the rest of the board A fuse is used to protect the device from overcurrent Turn the switch to the On position to power the EVM 6 3 Test Points Test points are provided ...

Page 12: ... resistors to quickly configure settings on the DRV10974EVM Note that R6 R7 and R8 are 0402 0 Ω surface mount resistors in series with the receptacles They give the user flexibility to achieve the desired resistor values if necessary In addition the 0603 surface mount resistors R4 R3 and R2 can also be replaced or removed to configure the settings Because these resistors are populated by default i...

Page 13: ...P Resistor Table RMP SELECTION RRMP kΩ ACCEL2 Hz s2 ACCEL1 Hz s CLOSED LOOP ACCELERATION TRANSITION TIME s CLOSED LOOP DECELERATION TRANSITION TIME s 0 7 32 0 22 4 6 2 7 44 1 10 7 1 65 9 2 2 7 22 2 14 3 1 65 15 1 22 3 17 8 3 3 25 1 11 4 22 1 7 25 0 2 44 5 28 7 35 0 2 22 6 34 14 50 0 2 22 7 41 2 27 75 0 2 11 8 49 9 27 75 5 4 11 9 59 14 50 8 22 10 71 5 7 35 11 22 11 86 6 7 25 22 44 12 105 3 3 25 5 4...

Page 14: ...P6 1 2 3 J1 1 2 3 J3 0 1uF C1 1uF C4 TP1 TP10 4 7uF C2 GND V1P8 F1 2 1 3 S1 V1P8 TP7 TP8 TP5 TP4 TP3 GND GND 0 1uF C3 U V W FG PWM FR ADV RMP CS ADV RMP CS PWM FR ADV RMP CS FR U V W PWM GND GND GND GND GND PWM D1 DNP GND GND GND 0 R6 0 R7 0 R8 1 2 J8 1 2 J9 1 2 J10 J5 J6 J12 J13 FG FR U 1 2 J2 1 2 J11 1 2 J7 1 2 P1 1 2 3 P2 GND 59 0k R2 115k R4 7 32k R3 4 75k R9 TP11 Schematic www ti com 14 SLVUB...

Page 15: ... header 100 mil 2 1 tin TH Header 2 1 90120 0122 Molex J4 1 Header shrouded 100 mil 5 2 gold TH 5 2 shrouded header 5103308 1 TE Connectivity J5 J6 J12 J13 4 1 mm uninsulated shorting plug 10 16 mm spacing TH Shorting plug 10 16 mm spacing TH D3082 05 Harwin J8 J9 J10 3 Receptacle 100 mil 2 1 tin TH Receptacle 2 1 100 mil tin PPTC021LFBN RC Sullins Connector Solutions LED1 1 Green LED green SMD LE...

Page 16: ...ale 10 EVM Documentation The EVM schematics layout and bill of materials BOM are in the hardware files provided on DRV10974 12 V Three Phase Sensorless BLDC Motor Driver Evaluation Module Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from B Revision March 2018 to C Revision Page Changed part number DRV10974 to DRV10974PWP in s...

Page 17: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Page 18: ...the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 19: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even ...

Page 20: ...COST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Page 21: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

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