STK672-040 Sanyo Semicon Device, STK672-040 Datasheet - Page 5

• Manufacturer Part Number: STK672-040
• Description: Microstep Operation-Supported 4-Phase Stepping Motor Driver (Io= 1.5A)
• Manufacturer: Sanyo Semicon Device

Design material
1. Explanation of input pins
2. Functions and timing of input signals
2-1. CLK (Phase switching clock)
2-2. CWB (Setting of rotation direction)
14
15
17
18
9, 10, 11
12, 13
16
8
Pin No.
1. Input frequency range
2. Minimum pulse width
3. Duty
4. Pin format
5. Noise eliminating circuit with multiple stages is contained.
6. Functions
1. Pin format
2. Function
3. Note
a. When the signal M3 is set to 1 or it is opened.
b. When the signal M3 is set to 0
a. When the signal CWB is set to 1
b. When the signal CWB is set to 0
CLK
CWB
RETURN
ENABLE
M1, M2, M3
M4, M5
RESET
Vref
Name
The exciting phase moves at each step at the leading edge of the clock.
The exciting phase moves at each step at the leading and trailing edges of the clock.
It rotates clockwise.
It rotates counterclockwise.
Phase switching phase
Setting of rotation direction (CW/CCW)
Phase origin forced return
Output cut-off
Setting of exciting mode
Setting of vector locus
System reset
Setting of current value
DC to 50 kHz
10 s
40 to 60%
CMOS Schmitt containing pull-up resistor (20 k typical value)
CMOS Schmitt configuration containing pull-up resistor
When the signal M3 is set to 0, the CWB input signal must not be changed
(20k , typical value)
at the leading edge and trailing edge of the clock input for the period of 5 s.
Function
STK672-040
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
CMOS Schmitt configuration with pull-down resistor
Pin format
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