參數(shù)資料
型號(hào)： GS-D200S
廠商： 意法半導(dǎo)體
英文描述： 2/2.5A Bipolar Stepper Motor Driver Modules(2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動(dòng)器模塊)
中文描述： 2/2.5A雙極步進(jìn)電機(jī)驅(qū)動(dòng)器模塊（2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動(dòng)器模塊）
文件頁(yè)數(shù)： 12/17頁(yè)
文件大?。?/td> 183K
代理商： GS-D200S
12/17
12
9
1
12
9
1
Figure 14: GS-D200 and GS-D200S Phase Current Programming
12
8
1
12
8
1
osc
osc
f
C
< 17 KHz
f
C
> 17 KHz
Figure 15: Chopper Frequency Programming
Chopper Frequency Programming
The chopper frequency is internally set to 17kHz,
and it can be changed by addition of external
components as follows. To increase the chopper
frequency a resistor must be connected between
Oscillator (pin 8) and V
ss
(pin 12, see fig. 15).
The resistor value is calculated according to the
formula:
Rf
=
306
fc
17
=
k
To decrease the chopper frequency a capacitor
must be connected between Oscillator (pin 8) and
Gnd1 (pin 1). The capacitor value is calculated
according to the formula:
Cf
=
80.5
4.7fc
fc
where fc
=
kHz Rf
≥
18k
=
nF where fc
=
kHz
GS-D200/GS-D200S
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