Stepper Motor Driver AD1431
YA7179-1/2
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5. System features
5-1. Block diagram
Fuse
5V
1
PWR+
2
PWR-
CN1
IL-G-2P-S3T2-SA
POWER
VM
INPUT
OUTPUT
300
300
330
DC-DC
フィルタ
フィルタ
フィルタ
1パルス‐2パルス
切り替え
モーター
ドライバＩＣ
スイッチ
5V
1
A
2
/A
3
B
4
/B
CN3
IL-G-4P-S3T2-SA
5V
5V
5V
スイッチ
1
CW+/CLK+
2
CW-/CLK-
3
CCW+/DIR+
4
CCW-/DIR-
5
6
MOT_OFF-
7
8
ACD_OFF-
9
EORG+
10
EORG-
P?
IL-G-10P-S3T2-SA
フィルタ
5V
ロジック部
330
A
/A
M
Motor
/B
B
5-2. SW1 setting
SW1 can switch between the two pulse (CW, CCW) mode or the one pulse (CLK, DIR) mode, and also
change the motor excitation method.
SW1
1
2
3
4
5V
2/1 Pulse
Switch
分解能
設定
You can switch between the two pulse (CW, CCW) mode or the one pulse (CLK, DIR) mode by switching
SW1-1.
SW1-1
Setting
ON
Two pulse (CW / CCW) mode
OFF
One pulse (CLK / DIR) mode
Filter
Motor
Driver
IC
Filter
Filter
Filter
Resolution
setting
Switch
Switch
Logic
circuit
Switch
between
1 pulse or
2 pulse
Pulse input
mode setting
