STK672-210 Sanyo Semicon Device, STK672-210 Datasheet - Page 3

• Manufacturer Part Number: STK672-210
• Description: Two-Phase Stepping Motor Driver Output Current: 1.4 A
• Manufacturer: Sanyo Semicon Device

Internal Circuit
Sample Application Circuit
• The Co1 ground lead must be connected as close as possible to pin 1 on the hybrid IC.
• HC type CMOS levels are recommended as the input specifications for pins 6 to 9.
• Pull-up resistors must be used for TTL level inputs. (Recommended value: 2 kΩ)
• Excitation control input specifications
Corresponding output pin
S.GND
Co2 = 10 F +
2
3
4
5
øAB
øBB
SP
11
V CC 2 = 5 V
øA
øB
5
4
Corresponding excitation control input signal
Active: High
Ro2
Ro1
øBB
øAB
øB
øA
Off time
setting
øAB
8
12
9
8
7
6
11
STK672-210
Activ: Low
øA
9
øBB
øAB
STK672-210
øB
øA
10
Vref
12
1
2
3
4
5
øBB
6
øB
7
Stepping
motor
Co1 = 220 F
Off time
setting
V CC 2
10
3
+
SUB
V CC 1 = 24 V min.
2
P.GND
ITF02289
PG
1
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