1
SLVUB95C–December 2017–Revised August 2018
Submit Documentation Feedback 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.............................................................................................................. 3
3 Quick Start Guide............................................................................................................ 5
4 DRV10974 Onboard Connections......................................................................................... 7
4.1 Connector (P1) for Power Input................................................................................... 7
4.2 Interface Connector (P2) for Phase Windings of Motor........................................................ 8
5 DRV10974 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 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) ...................................................................... 8
7 DRV10974PWP Pinout ..................................................................................................... 9
8 CS Receptacle (J10)....................................................................................................... 10
9 ADV Receptacle (J8) ...................................................................................................... 10
10 RMP Receptacle (J9)...................................................................................................... 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
