Texas Instruments DRV2624EVM-CT, User Manual, Page: 5 / 26

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DRV2624 Demonstration Program
5 SLOU435B – December 2015 – Revised February 2019
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Copyright © 2015–2019, Texas Instruments Incorporated
DRV2624 ERM, LRA haptic driver evaluation kit
2 DRV2624 Demonstration Program
The sections below provide a detailed description of the demo modes and effects.
2.1 Modes and Effects Table
The effects preloaded on the DRV2624EVM-CT are listed in Table 1 . The modes are selected using the +
and – mode buttons in the center of the board. The current mode is identified by the white LEDs directly
above the mode buttons. Buttons B1–B4 trigger the effects listed in the description column and change
based on the selected mode.
Table 1. Mode and Effects Table
Mode Button Description Actuator Waveform
Location Interface
Mode 0
LEDs Off
B1 Sharp Click ERM RAM Internal Trigger (I
2
C)
B2 Sharp Click LRA
B3 PulsingSharp ERM
B4 PulsingSharp LRA
Mode 1
LED M1 On
B1 Soft Bump ERM RAM Internal Trigger (I
2
C)
B2 Soft Bump LRA
B3 Double Click ERM
B4 Double Click LRA
Mode 2
LED M2 On
B1 Heartbeat x 3 ERM RAM Internal Trigger (I
2
C)
B2 Heartbeat x 3 LRA
B3 Buzz Alert 750mS LRM
B4 Buzz Alert 750mS ERA
Mode 3
LED M3 On
B1 Closed Loop RTP 7F Buzz LRA RAM RTP (I
2
C)
B2 Open Loop Pulsing with Auto Brake LRA RTP (I
2
C)
B3 Sine Wave Buzz RTP 7F LRA RTP (I
2
C)
B4 Open Loop Pulsing with no Auto
Brake LRA RTP (I
2
C)
Mode 4
LED M1 On
B1 RTP Strength change on position of
the wheel ERM and LRA RAM RTP (I
2
C)
B2
B3
B4
TI
Button Toggle ERM/LRA Trigger One wire