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參數(shù)資料
| 型號： | LV8713T |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1 A, PDSO24 |
| 封裝： | 0.225 INCH, TSSOP-24 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 296K |
| 代理商： | LV8713T |
LV8713T
No.A1918-8/16
Description of operation
Stepping motor control
(1) Power save function
This IC is switched between standby and operating mode by setting the PS pin. In standby mode, the IC is set to
power-save mode and all logic is reset. In addition, the internal regulator circuit do not operate in standby mode.
PS
Mode
Internal regulator
Low or Open
Standby mode
Standby
High
Operating mode
Operating
(2) The order of turning on recommended power supply
The order of turning on each power supply recommends the following.
VCC power supply order → VM power supply order → PS pin = High
It becomes the above-mentioned opposite for power supply OFF.
However, the above-mentioned is a recommendation, the overcurrent is not caused by not having defended this, and
IC is destroyed.
(3) STEP pin function
Input
PS
STP
Operating mode
Low
*
Standby mode
High
Excitation step proceeds
High
Excitation step is kept
(4) Excitation mode setting function(initial position)
Initial position
MD1
MD2
Excitation mode
Channel 1
Channel 2
Low
2 phase excitation
100%
-100%
High
Low
1-2 phase excitation
100%
0%
Low
High
4W1-2 phase excitation
100%
0%
High
8W1-2 phase excitation
100%
0%
This is the initial position of each excitation mode in the initial state after power-on and when the counter is reset.
(5) Position detection monitoring function
The MONI position detection monitoring pin is of an open drian type.
When the excitation position is in the initial position, the MONI output is placed in the ON state.
(Refer to "(12) Examples of current waveforms in each of the excitation modes.")
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