DRV2624 Datasheet, PDF (7/79 Pages) Texas Instruments – DRV2624 Ultra Low Power Closed-Loop LRA/ERM Haptic Driver with Internal Memory

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6.8 Typical Characteristics
2.000
1.875
1.750
1.625
1.500
1.375
1.250
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
V_DD − Supply Voltage (V)
Figure 3. Standby Current vs Supply Voltage
TRIG/INTZ
Acceleration
[OUT+] − [OUT−] (Filtered)
DRV2624
SLOS893A – DECEMBER 2015 – REVISED DECEMBER 2015
SDA
ERM Mode
LRA Mode
0 1m 2m 3m 4m 5m 6m 7m 8m 9m 10m
Time (s)
V_DD = 3.6 V
Figure 4. Startup Latency for ERM and LRA
TRIG/INTZ
Acceleration
[OUT+] − [OUT−] (Filtered)
0
40m
V_DD = 3.6 V
80m
120m
Time (s)
160m
200m
Figure 5. ERM Click (Open-Loop) with External Pulse-
Trigger
SDA
Acceleration
[OUT+] − [OUT−] (Filtered)
0
40m
V_DD = 3.6 V
80m
120m
Time (s)
160m
200m
Figure 6. LRA Strong Click (Closed-Loop) with External
Level-Trigger
SDA
Acceleration
[OUT+] − [OUT−] (Filtered)
0
200m
400m
600m
800m
1
Time (s)
V_DD = 3.6 V
Figure 7. ERM Click-Bounce (Open-Loop) with Internal
Trigger
0
200m
400m
600m
800m
1
Time (s)
V_DD = 3.6 V
Figure 8. LRA Transition Click (Closed-Loop) with Internal
Trigger
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