lv8740v ON Semiconductor, lv8740v Datasheet - Page 6

• Manufacturer Part Number: lv8740v
• Description: Pwm Current Control Stepping Motor Driver
• Manufacturer: ON Semiconductor

Pin Functions
Pin No.
23, 24
28, 29
30, 31
32, 33
34, 35
36, 37
38, 39
43, 44
26, 27
40, 41
10
12
13
14
15
16
17
18
19
20
21
22
25
42
11
1
2
3
4
5
6
7
8
9
VG
VM
CP2
CP1
VREG5
ATT2
ATT1
EMO
CEM
EMM
RCHOP
MONI
RST
STP/DC22
FR/DC21
MD2/DC12
MD1/DC11
DM
OE
ST
VREF
SGND
OUT2B
PGND2
VM2
RF2
OUT2A
OUT1B
RF1
VM1
PGND1
OUT1A
NC
Pin name
Charge pump capacitor connection pin
Motor power supply connection pin
Charge pump capacitor connection pin
Charge pump capacitor connection pin
Internal power supply capacitor connection pin
Motor holding current switching pin
Motor holding current switching pin
Output short-circuit state warning output pin
Pin to connect the output short-circuit state detection time setting capacitor
Overcurrent mode switching pin
Chopping frequency setting resistor connection pin
Position detection monitor pin
Reset signal input pin
STM STEP signal input pin/DCM2 output control input pin
STM forward/reverse rotation signal input pin/DCM2 output control input pin
STM excitation mode switching pin/DCM1 output control input pin
STM excitation mode switching pin/DCM1 output control input pin
Drive mode (STM/DCM) switching pin
Output enable signal input pin
Chip enable pin
Constant current control reference voltage input pin
Signal system ground
Channel 2 OUTB output pin
Channel 2 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 Power system ground
Channel 1 OUTA output pin
No Connection
(No internal connection to the IC)
LV8740V
Description
No.A1864-6/23