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| DRV2625 Datasheet, PDF (60/77 Pages) Texas Instruments – DRV2625 Ultra Low Power Closed-Loop LRA/ERM Haptic Driver with Built-In Library | |||
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DRV2625
SLOS879A â DECEMBER 2015 â REVISED DECEMBER 2015
www.ti.com
9.2 Typical Application
A typical application of the DRV2625 device is in a system that has external buttons which fire different haptic
effects when pressed. Figure 90, Figure 91 and Figure 92 show typical schematics of such a system. The
buttons can be physical buttons, capacitive-touch buttons, or GPIO signals coming from the touch-screen
system.
Effects in this type of system are programmable.
TPS73633
OUT
IN
NR/FB EN
C(LDO)
1 µF
GND
MSP430G2553
C(REG)
0.1 µF
Programming
R(SBW)
9.76 k
Captouch
Buttons
AVCC
DVCC
SBWTDIO
SBWTCK
P1.6/SCL
P1.7/SDA
P3.1
P2.0
P2.1
AVSS DVSS
R(PU) R(PU)
2.2 k 2.2 k
DRV2625
OUT+
SCL
REG
SDA
OUT±
NRST
TRIG/INTZ
VDD
GND
C(REG)
0.1 µF
M
LRA or
ERM
C(VDD)
0.1 µF
Li-ion
Figure 90. Typical Application Schematic Without External Trigger or Interrupt Pin
TPS73633
OUT
IN
NR/FB EN
C(LDO)
1 µF
GND
MSP430G2553
C(REG)
0.1 µF
Programming
R(SBW)
9.76 k
Captouch
Buttons
AVCC
DVCC
SBWTDIO
SBWTCK
P1.6/SCL
P1.7/SDA
P3.1
P2.0
P2.1
AVSS
P1.1
DVSS
R(PU) R(PU)
2.2 k 2.2 k
DRV2625
OUT+
SCL
REG
SDA
OUT±
NRST
TRIG/INTZ
VDD
GND
C(REG)
0.1 µF
M
LRA or
ERM
C(VDD)
0.1 µF
Li-ion
Figure 91. Typical Application Schematic With External Trigger
60
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