UPD168117A Datasheet, PDF (10/24 Pages) NEC – 7-CHANNEL H-BRIDGE DRIVER WITH A MICRO STEP FUNCTION SUPPORTING PULSE INPUT

µ PD168117A
5.5 ch7
IN7A
L
L
H
H
IN7B
OUT7A
OUT7B
H-bridge Output State
Q1
Q2
Q3
Q4
L
Z
Z
OFF
OFF
OFF
OFF
H
L
H
OFF
ON
ON
OFF
(linear)
(linear)
L
H
L
ON
OFF
OFF
ON
(linear)
(linear)
H
H
H
ON
ON
OFF
OFF
VM7
Q1
OUT7A
−
+
Q3
Q2
OUT7B
Q4
5.6 SEL7 Pin
The current that flows into ch7 can be changed by setting the SEL7 pin.
SEL7
L
H
Operation Mode
Weak excitation mode (Current 2/3 of the normal setting flows.)
Normal operation mode (Comparison operation with reference voltage)
10
Data Sheet S17486EJ1V0DS