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| DRV2605L Datasheet, PDF (8/69 Pages) Texas Instruments – DRV2605L 2 to 5.2 V Haptic Driver for LRA and ERM With Effect Library and Smart-Loop Architecture | |||
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DRV2605L
SLOS854C â MAY 2014 â REVISED SEPTEMBER 2014
Typical Characteristics (continued)
SDA
Acceleration
[OUT+] â [OUTâ] (Filtered)
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SDA
Acceleration
[OUT+] â [OUTâ] (Filtered)
0
200m
400m
600m
800m
1
Time (s)
VDD = 3.6 V
Sequence = 0x01, 0x48
ERM open loop
Internal trigger
Figure 5. ERM Click-Bounce (ROM)
EN
SDA
Acceleration
[OUT+] â [OUTâ] (Filtered)
0
200m
400m
600m
800m
1
Time (s)
VDD = 3.6 V
Transition click 1 - 100%
LRA closed loop
Internal trigger
Figure 6. LRA Transition-Click (ROM)
EN
IN/TRIG
Acceleration
[OUT+] â [OUTâ] (Filtered)
0
40m
VDD = 3.6 V
80m
120m
Time (s)
ERM closed loop
160m
200m
RTP Mode
0
40m
VDD = 3.6 V
80m
120m
Time (s)
LRA closed loop
160m
200m
PWM Mode
Figure 7. ERM Buzz (RTP)
SDA
ERM Mode
LRA Mode
0 1m 2m 3m 4m 5m 6m 7m 8m 9m 10m
Time (s)
VDD = 4.2 V
Closed loop
No filter
Figure 9. Startup Latency for ERM and LRA
Figure 8. LRA Click With and Without Braking (PWM)
100
ERM mode, RL = 10 : + 100 µH, 1.3 V
ERM mode, RL = 25 : + 100 µH, 2 V(RMS)
90
80
70
60
50
2 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2
Supply Voltage (V)
D013
Figure 10. Supply Current vs Supply Voltage (Full Vibration)
8
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