stk672-050 Sanyo Semiconductor Corporation, stk672-050 Datasheet - Page 5

• Manufacturer Part Number: stk672-050
• Description: Microstep Operation-supported 4-phase Stepping Motor Driver Io= 3.0a
• Manufacturer: Sanyo Semiconductor Corporation

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 excitation phase moves at each step at the rising edge of the clock.
The excitation phase moves at each step at the rising and falling edges of the clock.
It rotates clockwise.
It rotates counterclockwise.
Phase switching clock
Setting of rotation direction (CW/CCW)
Phase origin forced return
Output cut-off
Setting of excitation mode
Setting of vector locus
System reset
Setting of current value
DC to 50 kHz
10 s
40 to 60%
CMOS Schmitt configuration 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 rising edge and falling edge of the clock input for the period of 5 s.
Function
STK672-050
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
CMOS Schmitt configuration with pull-up resistor
Pin format
No. 5228—5/11