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2SLOU435B–December 2015–Revised February 2019
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DRV2624 ERM, LRA haptic driver evaluation kit
Contents
1 Getting Started............................................................................................................... 3
1.1 Evaluation Module Operating Parameters ...................................................................... 4
1.2 Quick Start Board Setup........................................................................................... 4
2 DRV2624 Demonstration Program........................................................................................ 5
2.1 Modes and Effects Table .......................................................................................... 5
2.2 Description of the Demo Modes .................................................................................. 6
3 Additional Hardware Modes................................................................................................ 8
3.1 Accessing GUI Mode............................................................................................... 8
3.2 Haptics Control Console GUI ..................................................................................... 8
4 Hardware Configuration ................................................................................................... 10
4.1 Input and Output Overview ...................................................................................... 10
4.2 Power Supply Selection .......................................................................................... 10
4.3 Using an External Actuator....................................................................................... 10
5 Measurement and Analysis .............................................................................................. 11
6 Modifying or Reprogramming the Firmware ............................................................................ 12
7 Schematic ................................................................................................................... 13
8 Layout........................................................................................................................ 15
9 Bill of Materials ............................................................................................................. 17
List of Figures
1 DRV2624EVM-CT Board ................................................................................................... 1
2 Board Diagram............................................................................................................... 3
3 LRA Sharp Click Closed Loop Waveform ................................................................................ 6
4 LRA Sharp Click Open Loop Waveform.................................................................................. 6
5 ERM Sharp Click Closed Loop Waveform ............................................................................... 6
6 ERM Sharp Click Open Loop Waveform ................................................................................. 6
7 LRA Closed-Loop Click Waveform ........................................................................................ 6
8 LRA Open-Loop Click Waveform.......................................................................................... 6
9 LRA Auto-Resonance ON Waveform (Button 1) ........................................................................ 7
10 LRA Auto-Resonance OFF Waveform (Button 2)....................................................................... 7
11 Acceleration Versus Frequency............................................................................................ 8
12 Haptics Control Console.................................................................................................... 9
13 HCC DRV2624 Console .................................................................................................... 9
14 Terminal Block and Test Points .......................................................................................... 11
15 DRV2624 Unfiltered Waveform........................................................................................... 11
16 DRV2624 Filtered Waveform............................................................................................. 11
17 FET Programmer Connection ............................................................................................ 12
18 DRV2624EVM-CT Schematic Page 1................................................................................... 13
19 DRV2624EVM-CT Schematic Page 2................................................................................... 14
20 Top Layer ................................................................................................................... 15
21 Layout Layer 2.............................................................................................................. 15
22 Layout Layer 3.............................................................................................................. 16
23 Layout Layer 4.............................................................................................................. 16
List of Tables
1 Mode and Effects Table..................................................................................................... 5
2 Hardware Overview........................................................................................................ 10
3 Power Supply Configurations............................................................................................. 10
