Texas Instruments DRV2603, User Manual

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DRV2603 Demonstration Program
2 DRV2603 Demonstration Program
The DRV2603EVM-CT demo contains haptic effects which showcase the features and benefits of the
DRV2603. The sections below provide a detailed description of the included effects.
2.1 Modes and Effects Table
The effects preloaded on the DRV2603EVM-CT are listed in Table 1 . The modes are selected using the
“+” and “–“ mode buttons in the center of the board. The current mode can be identified by the white LEDs
directly above the mode buttons. Buttons B1-B4 trigger the effects listed in the description column and will
change based on the selected mode.
Table 1. Mode and Effects Table
Mode Button Description Actuator Mode
B1 Ramp-up and click
LRA
(Auto-Resonance On)
B2 Click and Ramp-down
Mode 0
LEDs Off
B3 Ramp-up and click
ERM
B4 Click and Ramp-down
LRA
B1 LRA Alert (Buzz)
(Auto-Resonance On)
LRA
Mode 1
B2 LRA Alert (Buzz)
(Auto-Resonance Off)
LED M4 On
B3 ERM Alert (Buzz) ERM
B4 LED Flash (Visual Alert Only) –
B1 Click with braking
B2 Click no braking
Mode 2 LRA
LED M3 On (Auto-Resonance On)
B3 Double-click with braking
B4 Double-click no braking
B1 Keyboard Click (Click with braking)
B2 Spacebar Effect (Click and Release)
Mode 3
LRA (Auto-Resonance On)
LED M2 On
B3 Backspace Effect (Double-tick)
B4 Scroll Wheel Effect
B1 Click with braking
B2 Click no braking
Mode 4
ERM
LED M1 On
B3 Double-click with braking
B4 Double-click no braking
B1
B2
Mode 5 ERM and LRA
Concentration Game
LED M0 On (Auto-Resonance On)
B3
B4
2.2 Description of the Modes
The modes above were created to showcase various benefits of the DRV2603. See the description of
each mode below for more details.
2.2.1 Mode 0 – Ramp and Fade Waveforms
Mode 0 is ramp effects which demonstrate transitional effect capabilities of both LRAs and ERMs.
2.2.2 Mode 1 – Buzz and Alerts
Mode 1 demonstrates an LRA with auto-resonance on, an LRA with auto-resonance off, and an ERM.
Compare the difference in strength between the LRA with and without auto-resonance.
5 SLOU340A – May 2012 – Revised May 2012 DRV2603 ERM/LRA Haptic Driver Evaluation Kit
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