T
I C
o
n
fid
e
n
tial
–
N
D
A
R
e
s
tr
ictio
n
s
IN
1
GND
2
EN
3
NR/FB
4
OUT
5
U11
TPS73633DBV
1
2
VBAT
282834-2
GND
1µF
C33
Green
1
2
+3.3V
1.5k
R31
GND
GND
GND
SDA_IN
SCL_IN
Power Management - USB/External
SDA_IN
SCL_IN
GND
SCL1
SDA1
SCL2
SDA2
SCL3
SDA3
SCL4
SDA4
SCL5
SDA5
SCL6
SDA6
SCL7
SDA7
SCL8
SDA8
A0
1
A1
2
RESET
3
SD0
4
SC0
5
SD1
6
SC1
7
SD2
8
SC2
9
SD3
10
SC3
11
GND
12
SD4
13
SC4
14
SD5
15
SC5
16
SD6
17
SC6
18
SD7
19
SC7
20
A2
21
SCL
22
SDA
23
VCC
24
U12
TCA9548APW
+3.3V
GND
+3.3V
1µF
C38
3.3k
R39
3.3k
R33
3.3k
R32
3.3k
R34
3.3k
R35
3.3k
R36
3.3k
R37
3.3k
R38
3.3k
R56
3.3k
R49
3.3k
R50
3.3k
R51
3.3k
R52
3.3k
R53
3.3k
R54
3.3k
R55
10k
R40
10k
R41
I2C Switch Interface
Note: Slave Addr for TCA9548A - 0x70 (7-bit)
A0
1
A1
2
A2
3
P0
4
P1
5
P2
6
P3
7
GND
8
P4
9
P5
10
P6
11
P7
12
INT
13
SCL
14
SDA
15
VCC
16
U9
TCA9554PWR
ENABLE1
ENABLE2
ENABLE3
ENABLE4
ENABLE5
ENABLE6
ENABLE7
ENABLE8
SCL_IN
SDA_IN
+3.3V
GND
Note: Slave Addr for TCA9554 - 0x20 (7-bit)
VCC
1
NC
2
IO1
3
GND
4
IO2
5
U10
TPD2E001IDRLRQ1
2
3
4
1
5
USB
1734035-2
GND
GND
VBUS
USB_DM
USB_DP
GND1
Ground Test Points for DRV2605
GND
GND2
GND
GND3
GND
GND4
GND
GND5
GND
GND6
GND
GND7
GND
GND
600 ohm
L2
600 ohm
L1
1.0k
R45
1.0k
R44
1.0k
R43
0
R48
0
R47
0
R46
IO_VCC
GND
1.0k
R27
1.0k
R26
1.0k
R25
0
R30
0
R29
0
R28
IO_VCC
GND
IO_VCC
+3.3V
1
2
J2
1
2
3
I2C
NC
10k
R42
IO_VCC
GND
1
2
3
MSP
1
2
3
DRV
+5V_USB
+5V_USB
GND
VBAT
0.1µF
C35
100µF
C36
1µF
C37
1µF
C34
+5V_USB
+5V USB Test Point
+5V USB
+3.3V
Schematic
Figure 22. Schematic page 3
21
SLOU400 – September 2014
DRV2605L Multi-Driver ERM, LRA Haptic Driver Evaluation Kit User’s Guide
Copyright © 2014, Texas Instruments Incorporated