參數(shù)資料
型號： LV8041FN
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, 0.6 A, QCC52
封裝： 7 X 7 MM, VQFN-52
文件頁數(shù)： 12/24頁
文件大?。?/td> 802K
代理商： LV8041FN
LV8041FN
No.7944-2/24
Electrical Characteristics at Ta = 25°C, VM = 5 V, VCC = 5 V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Standby mode current drain
Istn
ST
= low
1
A
IM
ST
=high
PWM5
= PWM6 = IN72 = high, No load
50
100
A
Current drain
ICC
ST
=high
PWM5
= PWM6 = IN72 =high, No load
3.5
4.5
5.5
mA
VCC low-voltage cutoff voltage
VthVCC
2.1
2.35
2.6
V
Low-voltage sensing hysteresis
VthHIS
100
150
200
mV
VG reference voltage
VGL
4.5
4.7
5.0
V
Charge pump step-up voltage
VGH
8.5
9
9.5
V
Charge pump startup time
tONG
C (VGH)
= 0.1 F
0.1
0.2
ms
Charge pump oscillator frequency
Fchg
R
= 20 k
100
125
150
kHz
Thermal shutdown temperature
TSD
Design guarantee value
150
160
170
°C
Thermal shutdown hysteresis
TSD
Design guarantee value
5
10
20
°C
Stepping Motor Drivers (Channels 1, 2, 3, and 4)
Ronu
Ta
= 25°C, IO = 400mA,
Upper side on-resistance
0.45
0.55
Output on-resistance
Rond
Ta
= 25°C, IO = 400mA,
Lower side on-resistance
0.45
0.55
Output leakage current
IOleak
1
50
A
Diode forward voltage
VD1
ID
= 400mA
0.6
0.9
1.2
V
IINL
VIN = 0 V (ST, CLK12, CLK34)
1.0
A
Logic pin input current
IINH
VIN = 5 V (ST, CLK12, CLK34)
50
70
A
Logic high-level input voltage
VINH
ST, CLK12, CLK34
3.5
V
Logic low-level input voltage
VINL
ST, CLK12, CLK34
1.5
V
Step 16 (Initial state, channel 1 comparator level)
0.188
0.2
0.218
V
Step 15 (Initial state
+1)
0.188
0.2
0.218
V
Step 14 (Initial state
+2)
0.188
0.2
0.218
V
Step 13 (Initial state
+3)
0.177
0.192
0.207
V
Step 12 (Initial state
+4)
0.170
0.185
0.200
V
Step 11 (Initial state
+5)
0.163
0.178
0.193
V
Step 10 (Initial state
+6)
0.156
0.171
0.186
V
Step 9 (Initial state
+7)
0.148
0.163
0.178
V
Step 8 (Initial state
+8)
0.133
0.148
0.163
V
Step 7 (Initial state
+9)
0.117
0.132
0.147
V
Step 6 (Initial state
+10)
0.100
0.115
0.130
V
Step 5 (Initial state
+11)
0.083
0.098
0.113
V
Step 4 (Initial state
+12)
0.065
0.080
0.095
V
Step 3 (Initial state
+13)
0.050
0.062
0.077
V
Step 2 (Initial state
+14)
0.030
0.043
0.058
V
4W1-2 phase
drive
Step 1 (Initial state
+15)
0.010
0.023
0.038
V
Step 16 (Initial state, channel 1 comparator level)
0.188
0.2
0.218
V
Step 14 (Initial
+1)
0.188
0.2
0.218
V
Step 12 (Initial
+2)
0.170
0.185
0.200
V
Step 10 (Initial
+3)
0.156
0.171
0.186
V
Step 8 (Initial
+4)
0.133
0.148
0.163
V
Step 6 (Initial
+5)
0.100
0.115
0.130
V
Step 4 (Initial
+6)
0.065
0.080
0.095
V
2W1-2 phase
drive
Step 2 (Initial
+7)
0.030
0.043
0.058
V
Step 16 (Initial state, channel 1 comparator level)
0.188
0.2
0.218
V
1-2 phase drive
Step 8 (Initial state + 1)
0.133
0.148
0.163
V
Current selection
reference voltage
levels
2-phase drive
Step 8
0.188
0.2
0.218
V
Chopping frequency
Fchop
R
= 20 k
100
125
150
kHz
VMOH
IMO
= 50 A, VM = 5V
4.5
4.9
VCC
V
Monitor pin (MO pin) output voltage
VMOL
IMO
= 50 A
0
0.1
0.5
V
Continued on next page
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