STK672-080 Sanyo Semicon Device, STK672-080 Datasheet - Page 5

• Manufacturer Part Number: STK672-080
• Description: Stepping Motor Driver (Sine Wave Drive) Output Current : 2.8 A (No Heat Sink)
• Manufacturer: Sanyo Semicon Device

Vref=2.5V
Test Circuit Diagrams
Vsat
I
IH
I IH
I IL
, I
Start
IL
V CC 2
2.5V
A
+
A
11
13
8
9
7
M1
M2
M3
CLK
CWB
RESET
ENABLE
Vref
STK672-080
V CC 2
6
1
12
11
10
13
14
15
8
9
7
STK672-080
5
4
3
2
V CC 2
A
AB
B
BB
6
1
A13259
V CC 1
ENABLE
STK672-080
V
A13257
RL
Vref
loave, Icc, fc
To measuring Io ave: With SW1 set to the b position, input Vref and switch SW2.
To measuring fc: With SW1 set to the a position, set Vref to 0 V, and switch SW3.
To measuring Icc: Set the ENABLE pin low.
Start
Vdf
+
11
15
13
8
9
7
STK672-080
STK672-080
V CC 2
A
1
6
6
1
5
4
3
2
A
AB
B
BB
5
4
3
2
SW2
A
AB
B
BB
SW3
A
a
fc
V
b a
No. 6507-5/17
SW1
V CC 1
V CC 1
A13258
A
b
A13260