參數(shù)資料
型號: DRV102
英文描述: PWM SOLENOID/VALVE DRIVER
中文描述: 脈寬調(diào)制電磁/閥驅(qū)動
文件頁數(shù): 19/19頁
文件大小: 253K
代理商: DRV102
19
DRV102
FIGURE 22. Three-Phase Stepper Motor Driver Provides High-Stepping Torque.
FIGURE 23. Soft-Start Circuit for Incandescent Lamps and Other Sensitive Loads.
FIGURE 21. Constant Current Output Drive.
DRV102
1
3
4
R
2
V
S
= +8V to +60V
R
1
R
3
4.87k
R
4
4.87k
C
1
20
μ
F
+
4.3V
DIN5229
Duty Cycle Adjust
after soft start
Select R
1
and R
to divide
down V
to 5.5V max.
For example: with V
= 60V
R
1
= 11k
, R
2
= 1k
V
IN
= 1k
+ 11k
Sets start-up
duty cycle
1k
5
V
S
6
Out
2
Delay Adjust
DRV102
Phase 3
Stepper
Logic In
6
5
V
S
DRV102
Phase 2
Stepper
Logic In
6
5
V
S
DRV102
Phase 1
Stepper
Logic In
6
5
Motor
Only one DRV102 is
turned on at sequence time.
V
S
+24V
On
Off
Duty Cycle
Adjust
Delay
Adjust
V
Z
Load
R
0.1
DRV102
3
2
1
5
Current Set
0.6V gives ~ 90% Duty Cycle
3.7V gives ~ 10% Duty Cycle
Out
6
4
V
S
V
Z
2k
100k
25k
5.1V
Zener
1k
100k
5k
OPA237
0.1
μ
F
0.1
μ
F
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