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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

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