DRV2604L Datasheet, PDF (9/73 Pages) Texas Instruments – DRV2604L 2- to 5.2-V Haptic Driver for LRA and ERM with Internal Memory and Smart-Loop Architecture

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6.8 Typical Characteristics
IN/TRIG
Acceleration
[OUT+] − [OUT−] (Filtered)
DRV2604L
SLOS866D – MAY 2014 – REVISED JUNE 2015
IN/TRIG
Acceleration
[OUT+] − [OUT−] (Filtered)
0
40m
V_DD = 4.2 V
External edge trigger
80m
120m
Time (s)
160m
ERM closed loop
200m
Figure 3. ERM Click with and without Braking (RAM)
SDA
Acceleration
[OUT+] − [OUT−] (Filtered)
0
40m
V_DD = 4.2 V
External level trigger
80m
120m
Time (s)
LRA closed loop
160m
200m
Figure 4. LRA Click With and WIthout Braking (RAM)
SDA
Acceleration
[OUT+] − [OUT−] (Filtered)
0
200m
V_DD = 4.2 V
400m
600m
Time (s)
ERM closed loop
800m
1
Internal trigger
Figure 5. ERM Click-Bounce (RAM)
EN
SDA
Acceleration
[OUT+] − [OUT−] (Filtered)
0
200m
V_DD = 4.2 V
400m
600m
Time (s)
ERM closed loop
800m
1
Internal trigger
Figure 6. LRA Transition-Click (RAM)
EN
IN/TRIG
Acceleration
[OUT+] − [OUT−] (Filtered)
0
40m
V_DD = 4.2 V
80m
120m
Time (s)
ERM open loop
160m
200m
RTP Mode
Figure 7. ERM Buzz (RTP)
0
40m
V_DD = 3.6 V
80m
120m
Time (s)
LRA closed loop
160m
200m
PWM Mode
Figure 8. LRA Click With and Without Braking (PWM)
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