參數(shù)資料
型號(hào): STK672-210
廠商: Sanyo Electric Co.,Ltd.
英文描述: Two-Phase Stepping Motor Driver Output Current: 1.4 A
中文描述: 兩相步進(jìn)電機(jī)驅(qū)動(dòng)器輸出電流:1.4阿
文件頁(yè)數(shù): 4/11頁(yè)
文件大小: 218K
代理商: STK672-210
STK672-050
No. 5228—4/11
Motor Current Calculation
The motor current I
age on pin 8 (Vref). The relationship between I
Vref is given by the following equation.
OH
is determined by the reference volt-
OH
and
where Rs is the built-in current detection resistance (0.2
±
3%).
The motor current ranges from the current due to the fre-
quency duty set by the oscillator (0.05 to 0.1A) to the
allowable operating range maximum of I
OH
= 3.0A.
Function Tables
I
OH
--
Vref Rs
×
=
Motor current waveform
M1
M2
M3
Excitation
Phase switching CLK edge timing
0
0
0
Phase 1-2
Rising and falling edge
0
1
0
Phase 2W1-2
1
0
0
Phase W1-2
1
1
0
Phase 4W1-2
0
0
1
Phase 2
Rising edge only
0
1
1
Phase W1-2
1
0
1
Phase 1-2
1
1
1
Phase 2W1-2
CWB
Direction
0
Forward
1
Reverse
Input
Active level
ENABLE
Low
RESET
Low
Mo1
Mo2
Output
0
0
A
0
1
B
1
0
A
1
1
B
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