L6208Q STMicroelectronics, L6208Q Datasheet - Page 25

• Manufacturer Part Number: L6208Q
• Description: Dmos Driver For Bipolar Stepper Motor
• Manufacturer: STMicroelectronics

L6208Q
Figure 27. IC power dissipation versus output current in normal mode (full step two
Figure 28. IC power dissipation versus output current in wave mode (full step one
Figure 29. IC power dissipation versus output current in micro stepping mode
P
P
P
D
D
D
[W ]
[W]
[W]
10
10
10
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
phase on)
phase on)
0
0
0
0.5
0.5
0.5
MICROSTEPPING
NORM AL DRIVE
WAVE DRIVE
1
1
1
I
I
I
OUT
OUT
OUT
1.5
1.5
1.5
[A]
[A ]
[A]
Doc ID 018710 Rev 1
2
2
2
2.5
2.5
2.5
Output current capability and IC power dissipation
3
3
3
I
I
A
B
I
I
I
I
A
B
A
B
Test Conditions:
Supply Voltage = 24V
f
f
SW
SW
= 30 k Hz (slow decay)
= 50 k Hz (slow decay)
Test Conditions:
Supply Volt age = 24 V
Test Conditions:
Supply Voltage = 24V
I
I
OUT
OUT
I
OUT
No PW M
f
I
No PWM
f
SW
OUT
SW
= 3 0 kHz (slow decay)
= 30 kHz (slow decay)
I
OUT
I
OUT
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