DRV2603ERM Datasheet, PDF (2/28 Pages) Texas Instruments – DRV2603 ERM/LRA Haptic Driver Evaluation Kit

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Contents
1 Getting Started .............................................................................................................. 3
1.1 Evaluation Module Operating Parameters ...................................................................... 4
1.2 Quick Start Board Setup .......................................................................................... 4
2 DRV2603 Demonstration Program ....................................................................................... 5
2.1 Modes and Effects Table ......................................................................................... 5
2.2 Description of the Modes ......................................................................................... 5
3 Hardware Configuration .................................................................................................... 7
3.1 Input and Output Overview ....................................................................................... 7
3.2 Power Supply Selection ........................................................................................... 8
3.3 Using an External Actuator ....................................................................................... 8
3.4 PWM Input Source ................................................................................................. 9
3.5 Enable Pin Source ................................................................................................ 10
3.6 LRA/ERM Mode Source ......................................................................................... 11
4 Measurement and Analysis .............................................................................................. 12
4.1 Output Measurements ........................................................................................... 12
5 MSP430 Control and Firmware .......................................................................................... 13
5.1 Additional Hardware Modes ..................................................................................... 13
5.2 Modifying or Reprogramming the Firmware .................................................................. 15
5.3 MSP430 Pin-Out .................................................................................................. 16
6 Schematic .................................................................................................................. 17
7 Layout ....................................................................................................................... 18
8 Bill of Materials ............................................................................................................. 21
List of Figures
1 Board Diagram .............................................................................................................. 3
2 LRA Auto-Resonance Off .................................................................................................. 6
3 LRA Auto-Resonance On .................................................................................................. 6
4 LRA Click without Braking ................................................................................................. 6
5 LRA Click with Braking ..................................................................................................... 6
6 LRA Click and Release Effect............................................................................................. 6
7 LRA Scroll Wheel Effect ................................................................................................... 6
8 Terminal Block and Test Points ........................................................................................... 8
9 External PWM Input ........................................................................................................ 9
10 External Enable............................................................................................................ 10
11 Hardware Select Actuator Mode......................................................................................... 11
12 Terminal Block and Test Points ......................................................................................... 12
13 DRV2603 Unfiltered Waveform.......................................................................................... 12
14 DRV2603 Filtered Waveform ............................................................................................ 12
15 Measuring the DRV2603 Output with a Digital Low-pass Filter ..................................................... 13
16 Measuring the DRV2603 Output Signal with an Analog Low-pass Filter .......................................... 13
17 X-Ray Top View ........................................................................................................... 18
18 Top Copper................................................................................................................. 18
19 Layer 2 Copper ............................................................................................................ 19
20 Layer 3 Copper ............................................................................................................ 19
21 Bottom Copper............................................................................................................. 20
List of Tables
1 Mode and Effects Table.................................................................................................... 5
2 Hardware Overview......................................................................................................... 7
3 Binary Counting Modes................................................................................................... 14
2
DRV2603 ERM/LRA Haptic Driver Evaluation Kit
SLOU340A – May 2012 – Revised May 2012
Copyright © 2012, Texas Instruments Incorporated
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