(3) Motor stop signal
Stop the motor drive signal within 1 ms after detecting a home
switch “OFF” (100 to 250
μ
s) signal, and input a motor stop
signal of at least 25 ms.
Home switch signal
Motor drive signal
Motor stop signal
1 ms max.
25 ms min.
100-250
μ
s
ON
OFF
* See Section 2.5, Home Switch, for home switch signal.
Figure 2-2 Motor Drive Signal Timing
* When using this circuit, a motor stop signal is not required.
Vcc
IN
M
270
Ω
M-
M+
+
-
DTC123E
22k
Ω
2SD999
2SD1699
Figure 2-3 Sample Motor Drive Circuit
2-7
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