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参数资料
| 型号： | LV8731V |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 2.5 A, PDSO44 |
| 封装： | 0.275 INCH, SSOP-44 |
| 文件页数： | 24/26页 |
| 文件大小： | 323K |
| 代理商： | LV8731V |
LV8731V
Pin Functions
Pin No.
Pin Name
Pin Functtion
Equivalent Circuit
6
7
10
13
14
15
16
17
18
19
ATT2
ATT1
EMM
RST/BLK
STEP/DC22
FR/DC21
MD2/DC12
MD1/DC11
DM
OE
Motor holding current switching pin.
Output short-circuit protection mode
switching pin.
RESET input pin (STM) / Blanking time
switching pin (DCM).
STEP signal input pin (STM) / Channel 2
output control input pin 2 (DCM).
CW / CCW signal input pin (STM) /
Channel 2 output control input pin 1
(DCM).
Excitation mode switching pin 2 (STM) /
Channel 1 output control input pin 2
(DCM).
Excitation mode switching pin 1 (STM) /
Channel 1 output control input pin 1
(DCM).
Drive mode (STM/DCM) switching pin.
Output enable signal input pin.
VREG5
GND
10k
Ω
100k
Ω
20
ST
Chip enable pin.
VREG5
GND
10k
Ω
20k
Ω
80k
Ω
23, 24
25, 42
28, 29
30, 31
32, 33
34, 35
36, 37
38, 39
43, 44
OUT2B
PGND
VM2
RF2
OUT2A
OUT1B
RF1
VM1
OUT1A
Channel 2 OUTB output pin.
Power system ground.
Channel 2 motor power supply
connection pin.
Channel 2 current-sense resistor
connection pin.
Channel 2 OUTA output pin.
Channel 1 OUTB output pin.
Channel 1 current-sense resistor
connection pin.
Channel 1 motor power supply pin.
Channel 1 OUTA output pin.
GND
23
34
24
35
28 29
38 39
33
44
32
43
500
Ω
10k
Ω
500
Ω
36 37
30 31
42
25
Continued on next page.
No.A1482-7/26
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