Texas Instruments DRV8412 Integrated Motor Driver for Brushed and Stepper Motors with Piccolo F28035 controlCARD DRV8412 DRV8412-C2-KIT 데이터 시트
제품 코드
DRV8412-C2-KIT
www.ti.com
SLES242C – DECEMBER 2009 – REVISED MAY 2010
PIN
DESCRIPTION
NAME
DRV8412
DRV8432
FUNCTION
(1)
M2
9
12
I
Mode selection pin
M3
10
11
I
Reserved mode selection pin, AGND connection is recommended
NC
3,4,19,20,25,42
–
–
No connection pin. Ground connection is recommended
OC_ADJ
14
7
O
Analog overcurrent programming pin, requires resistor to AGND
OTW
21
2
O
Overtemperature warning signal, open-drain, active-low. An internal pull-up resistor
to VREG (3.3 V) is provided on output. Level compliance for 5-V logic can be
obtained by adding external pull-up resistor to 5 V
to VREG (3.3 V) is provided on output. Level compliance for 5-V logic can be
obtained by adding external pull-up resistor to 5 V
OUT_A
28
33
O
Output, half-bridge A
OUT_B
31
30
O
Output, half-bridge B
OUT_C
36
25
O
Output, half-bridge C
OUT_D
39
22
O
Output, half-bridge D
PVDD_A
26,27
34
P
Power supply input for half-bridge A requires close decoupling capacitor to ground.
PVDD_B
32
29
P
Power supply input for half-bridge B requires close decoupling capacitor to gound.
PVDD_C
35
26
P
Power supply input for half-bridge C requires close decoupling capacitor to ground.
PVDD_D
40,41
21
P
Power supply input for half-bridge D requires close decoupling capacitor to ground.
PWM_A
17
4
I
Input signal for half-bridge A
PWM_B
15
6
I
Input signal for half-bridge B
PWM_C
7
14
I
Input signal for half-bridge C
PWM_D
5
16
I
Input signal for half-bridge D
RESET_AB
16
5
I
Reset signal for half-bridge A and half-bridge B, active-low
RESET_CD
6
15
I
Reset signal for half-bridge C and half-bridge D, active-low
FAULT
18
3
O
Fault signal, open-drain, active-low. An internal pull-up resistor to VREG (3.3 V) is
provided on output. Level compliance for 5-V logic can be obtained by adding
external pull-up resistor to 5 V
provided on output. Level compliance for 5-V logic can be obtained by adding
external pull-up resistor to 5 V
VDD
2
17
P
Power supply for digital voltage regulator requires capacitor to ground for
decoupling.
decoupling.
VREG
11
10
P
Digital regulator supply filter pin requires 0.1-
m
F capacitor to AGND.
THERMAL PAD
-
N/A
T
Solder the exposed thermal pad to the landing pad on the pcb. Connect landing
pad to bottom side of pcb through via for better thermal dissipation.
pad to bottom side of pcb through via for better thermal dissipation.
HEAT SLUG
N/A
-
T
Mount heat sink with thermal interface on top of the heat slug for best thermal
performance.
performance.
Copyright © 2009–2010, Texas Instruments Incorporated
5
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