SKT672-040-E Datasheet, PDF (18/19 Pages) ON Semiconductor – Stepping Motor Driver

58
56
54
52
50
48
46
44
42
40
0
0 4.5
4
3
2
1
STK672-040-E
fc - VCC2
Tc = 25°C
5.0
5.5
6.0
Supply voltage, VCC2 - V
Vsat - IOH
ITF02380
VCC2 = 5V (fixed)
fc - Tc
58
VCC2 = 5V (fixed)
56
54
52
50
48
46
44
42
40
0
0
20
40
60
80
100
Substrate temperature, Tc - °C
IOH - Vdf
4
VCC2 = 5V (fixed)
120
140
ITF02381
3
TcT=c1=052°C5°C
2
1
0
0
1.0
2.0
3.0
Phase output current, IOH - A
ITF02382
IOH - VCC1
1.8
Test motor: PK244-01B
Tc = 25°C
1.6
1.5A
1.4
1.2
1.0
1.0A
0.8
0.6
0.5A
0.4
0.2
Vref=0V
0
0
20
30
40
Supply voltage, VCC1 - V
ΔTc - PPS
60
VCC1 = 24V, VCC2 = 5V
Test motor: PK244-01B (R = 3.3Ω/L = 3mH)
50 With IOH set at 1.0A
50
ITF02384
40
30
2EX
20
10
4W21W-21E-2XEX,
0
100
1k
10k
50k
Input PPS - Hz
ITF02386
0
0
1.0
2.0
3.0
FET diode forward voltage, Vdf - V ITF02383
IOH - Tc
1.8
Test motor: PK244-01B
1.6
1.5A
VCC1 = 24V
VCC2 = 5V
1.4
1.2
1.0
1.0A
0.8
0.6
0.5A
0.4
0.2
Vref=0V
0
0
20
40
60
80
100
120
140
Substrate temperature, Tc - °C ITF02385
IM - VCC1
1.2
Tc = 25°C, VCC2 = 5V
PK244-01B
1.0
Motor common pin current
With one phase held.
0.8
0.6
IOH _=1.0A
0.4
0.2
IOH=0.5A
0
10
20
30
40
50
Supply voltage, VCC1 - V
ITF02387
No. 5227-18/19