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参数资料
| 型号： | LV8044LP |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, QCC40 |
| 封装： | 5 X 5 MM, VQLP-40 |
| 文件页数： | 12/26页 |
| 文件大小： | 467K |
| 代理商： | LV8044LP |
LV8044LP,LV8044LQ
No.A0438-2/26
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power supply voltage range 1
VM
2.7 to 5.5
V
Power supply voltage range 2
VCC
2.7 to 5.5
V
Logic input voltage range
VIN
0 to VCC +0.3
V
STEP frequency
FSTEP
STEP1, STEP2
to 64
KHz
PWM frequency
FPWM
STEP3, STEP4
to 100
KHz
Electrical Characteristics at Ta
= 25°C, VM = 5V, VCC = 3.3V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Standby supply current
ISTN
ST = “L”
1.0
A
Motor supply current
IM
ST = “H”, PWM3 = PWM4 = “H”,
IN51 = IN61 = “H”, no load
50
100
A
Logic supply current
ICC
ST = “H”, PWM3 = PWM4 = “H”,
IN51 = IN61 = “H”, no load
23
4
mA
VCC low-voltage cut voltage
VthVCC
2.1
2.35
2.6
V
Low-voltage hysteresis voltage
VthHIS
100
150
200
mV
Thermal shutdown temperature
TSD
Design guarantee
150
180
200
°C
Thermal hysteresis width
TSD
Design guarantee
40
°C
Microstep Driver (channels 1, 2, 3, and 4)
Ronu
IO = 400mA, Upper ON resistance
0.7
0.8
Output on resistance
Rond
IO = 400mA, Lower ON resistance
0.5
0.6
Output leak current
IOleak1
1.0
A
Diode forward voltage 1
VD1
ID = -400mA
0.9
1.2
V
IinL
VIN = 0V (ST, STEP1, STEP2)
1.0
A
Logic pin input current
IinH
VIN = 3.3V (ST, STEP1, STEP2)
20
33
50
A
Logic input “H” level voltage
Vinh
ST, STEP1, STEP2
2.5
V
Logic input “L” level voltage
Vinl
ST, STEP1, STEP2
1.0
V
Vstep16
Step 16
(Initial level: the channel 1 comparator level)
0.185
0.200
0.215
V
Vstep15
Step 15 (Initial+1)
0.185
0.200
0.215
V
Vstep14
Step 14 (Initial+2)
0.185
0.200
0.215
V
Vstep13
Step 13 (Initial+3)
0.176
0.193
0.206
V
Vstep12
Step 12 (Initial+4)
0.170
0.186
0.200
V
Vstep11
Step 11 (Initial+5)
0.162
0.178
0.192
V
Vstep10
Step 10 (Initial+6)
0.154
0.171
0.184
V
Vstep9
Step 9 (Initial+7)
0.146
0.163
0.176
V
Vstep8
Step 8 (Initial+8)
0.129
0.148
0.159
V
Vstep7
Step 7 (Initial+9)
0.113
0.131
0.143
V
Vstep6
Step 6 (Initial+10)
0.097
0.115
0.127
V
Vstep5
Step 5 (Initial+11)
0.079
0.097
0.109
V
Vstep4
Step 4 (Initial+12)
0.062
0.079
0.092
V
Vstep3
Step 3 (Initial+13)
0.044
0.06
0.074
V
Vstep2
Step 2 (Initial+14)
0.024
0.04
0.054
V
4W1-2 phase
Vstep1
Step 1 (Initial+15)
0.006
0.02
0.036
V
Vstep16
Step 16
(Initial level: the channel 1 comparator level)
0.185
0.200
0.215
V
1-2 phase
Vstep8
Step 8 (Initial+1)
0.129
0.148
0.159
V
Vstep16
Step 16
(Initial level: the channel 1 comparator level)
0.185
0.200
0.215
V
1-2 phase
(Full torque)
Vstep8
Step 8 (Initial+1)
0.185
0.200
0.215
V
Current
selection
reference
voltage level
2 phase
Vstep8
Step 8
0.185
0.200
0.215
V
Continued on next page.
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