lv8735v ON Semiconductor, lv8735v Datasheet - Page 7

• Manufacturer Part Number: lv8735v
• Description: Bi-cmos Lsi Pwm Constant-current Control Stepping Motor Driver
• Manufacturer: ON Semiconductor

Pin Functions
Pin No.
23, 24
25, 42
28, 29
30, 31
32, 33
34, 35
36, 37
38, 39
43, 44
26,27
40,41
10
13
14
15
17
18
20
22
6
7
ATT2
ATT1
EMM
RST/BLK
STEP/DC22
FR/DC21
MD1/DC11
DM
ST
OUT2B
PGND
VM2
RF2
OUT2A
OUT1B
RF1
VM1
OUT1A
GND
NC
Pin Name
Motor holding current switching pin.
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 1 (STM) /
Channel 1 output control input pin 1
(DCM).
Drive mode (STM/DCM) switching pin.
Chip enable pin.
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.
Ground.
No Connection
(No internal connection to the IC)
Pin Functtion
LV8735V
GND
VREG5
VREG5
GND
GND
43
32
44
33
10kΩ
25
Equivalent Circuit
42
38 39
28 29
36 37
30 31
100kΩ
20kΩ
80kΩ
10kΩ
10kΩ
34
23
35
24
500Ω
500Ω
Continued on next page.
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