lv8740v ON Semiconductor, lv8740v Datasheet - Page 2

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

Recommended Operating Conditions at Ta = 25°C
Electrical Characteristics at Ta = 25°C, V M = 24V, VREF = 1.5V
Supply voltage range
Logic input voltage
VREF input voltage range
Standby mode current drain 1
Current drain
VREG5 output voltage
Thermal shutdown temperature
Thermal hysteresis width
Motor Driver
Output on-resistance
Output leakage current
Diode forward voltage
ST pin input current
Logic pin input current
Logic high-level input voltage
Logic low-level input voltage
Current
selection
comparator
threshold
voltage
(Current step
switch)
Current selection comparator
threshold voltage
Chopping frequency
VREF pin input current
MONI pin saturation voltage
Charge pump
VG output voltage
Rise time
Oscillator frequency
Output short-circuit protection
EMO pin saturation voltage
CEM pin charge current
CEM pin threshold voltage
(other ST pin)
(Current attenuation rate switch)
Parameter
Parameter
W1-2-phase
drive
1-2 phase drive
1-2 phase (full
torque) drive
2 phase drive
Vtdac0_HF
Vtdac2_HF
Vtdac0_W
Vtdac1_W
Vtdac2_W
Vtdac3_W
Vtdac0_H
Vtdac2_H
Vtdac2_F
Vsatmon
Vsatemo
Symbol
Symbol
Vtatt00
Vtatt01
Vtatt10
Vtatt11
I O leak
Fchop
Vtcem
VREF
Vreg5
ΔTSD
tONG
IMstn
Ronu
Rond
V IN H
I ST H
V IN L
I ST L
Fosc
Icem
TSD
I IN H
I IN L
V IN
V M
Iref
VG
VD
IM
ST = ”L”
ST = ”H”, OE = ”L”, no load
I O =-1mA
Design guarantee
Design guarantee
I O = 2.5A, Upper-side on resistance
I O = 2.5A, Lower-side on resistance
ID = -2.5A
V IN = 0.8V
V IN = 5V
V IN = 0.8V
V IN = 5V
Step 0(When initialized : channel 1
comparator level)
Step 1 (Initial state+1)
Step 2 (Initial state+2)
Step 3 (Initial state+3)
Step 0 (When initialized: channel 1
comparator level)
Step 2 (Initial state+1)
Step 0 (Initial state, channel 1 comparator
level)
Step 2 (Initial state+1)
Step 2
ATT1=L, ATT2=L
ATT1=H, ATT2=L
ATT1=L, ATT2=H
ATT1=H, ATT2=H
RCHOP = 20kΩ
VREF = 1.5V
I MONI =1mA
VG = 0.1μF
RCHOP = 20kΩ
Iemo = 1mA
Vcem=0V
LV8740V
Conditions
Conditions
min
0.290
0.260
0.200
0.095
0.290
0.200
0.290
0.290
0.290
0.290
0.190
0.140
0.090
-0.5
150
4.7
2.0
0.8
48
30
45
28
90
7
3
3
Ratings
Ratings
typ
0.300
0.270
0.210
0.105
0.300
0.210
0.300
0.300
0.300
0.300
0.200
0.150
0.100
62.5
28.7
180
180
125
5.0
0.3
0.2
1.1
1.0
40
80
50
50
50
10
3
8
8
0 to 5.5
0 to 3.0
max
9 to 35
0.310
0.280
0.220
0.115
0.310
0.220
0.310
0.310
0.310
0.310
0.210
0.160
0.110
0.25
29.8
250
210
112
100
150
100
5.3
0.4
1.3
0.8
0.5
1.2
No.A1864-2/23
50
15
15
70
75
13
5
Unit
Unit
kHz
kHz
mA
mV
mV
ms
μA
°C
°C
μA
μA
μA
μA
μA
μA
μA
V
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V