L6228Q View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6228Q' PDF : 32 Pages View PDF
Output current capability and IC power dissipation
L6228Q
Figure 27. IC power dissipation versus output current in NORMAL mode (full-step-
two-phase on)
NORM AL DRIVE
10
IA
8
IB
6
PD [W ]
4
2
0
0 0.25 0.5 0.75 1 1.25 1.5
I OUT [A ]
I OUT
I OUT
Test Conditions:
Supply Volt age =24 V
No PWM
fSW = 30 kHz (slow decay)
Figure 28. IC power dissipation versus output current in WAVE mode (full-step-one
phase-on)
WAVE DRIVE
10
IA
8
IB
6
PD [W]
4
2
0
0 0.25 0.5 0.75 1 1.25 1.5
I OUT [A]
I OUT
I OUT
Test Conditions:
Supply Voltage = 24V
No PWM
fSW = 3 0 kHz (slow decay)
Figure 29. IC power dissipation versus output current in MICROSTEPPING mode
MICROSTEPPING
10
IA
IOUT
8
6
PD [W]
4
I OUT
IB
2
0
0 0.25 0.5 0.75 1 1.25 1.5
I OUT [A]
Test Conditions:
Supply Voltage = 24V
fSW = 30 kHz (slow decay)
fSW = 50 kHz (slow decay)
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Doc ID 14321 Rev 5
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