參數(shù)資料
型號(hào): MTD2003F
廠商: Shindengen Electric Manufacturing Company, Ltd.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Stepping Motor Driver ICs
中文描述: 步進(jìn)電機(jī)驅(qū)動(dòng)器IC
文件頁數(shù): 2/2頁
文件大?。?/td> 417K
代理商: MTD2003F
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
MTD2003F
Stepping Motor Driver ICs
Setting of Output Current and Chopping Frequency
Fig.1 shows constant current chopping wave form.
Output Current setting
Chopping Frequency Setting
Fig.1 Constant current wave form (Motor current / phase)
Equivalent Circuit
Basic Application Circuit
Pin Assignment
Io(100%)
=
-
Vr
10
Rs
0.015
f
=
1
0.72
Ct
Rt
True Table
IN
1
or 4
L
L
H
H
IN 2 or 3
L
H
L
H
Out
1
or 4
OFF
L
H
OFF
Out 2 or 3
OFF
H
L
OFF
Recommended Parts Value
Symbol
Rs
Rt
Ct
Vr
Recommended Value
0.68
1
8
3300
Vcc
Unit
Ω
k
Ω
pF
V
Recommended Operating Conditions
Ta=25
℃)
Item
Motor Supply Voltage
Output Current
Logic Supply Voltage
Chopping Frequency
Operating Temperature
Symbol
Vmm
Io
Vcc
fchop
Top
min.
typ.
max.
27
0.8
5.25
Unit
V
A
V
kHz
4.75
20
-25
1
20
True Table for Current Chopping Level
Vref
V
Vr=5V
0.5
±
5
0.35
±
8
0.
1
7
±1
0
L
H
L
H
L
L
H
H
1
00
70
33
0
I
1
Current Level
(%)
Io
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