L6228QTR STMicroelectronics, L6228QTR Datasheet - Page 26

• Manufacturer Part Number: L6228QTR
• Description: IC DVR BIPO STEP MOTOR 32-VFQFPN
• Manufacturer: STMicroelectronics
• Type: Bipolar Stepper Motor Driverr

Specifications of L6228QTR

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: 1.4A
• Voltage - Supply: 8 V ~ 52 V
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, 32-VFQFPN
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 48 V
• For Use With: 497-6818 - EVAL BOARD FOR L6228Q
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6864-2; L6228QTR

Output current capability and IC power dissipation
26/32
Figure 27. IC power dissipation versus output current in NORMAL mode
Figure 28. IC power dissipation versus output current in WAVE mode
Figure 29. IC power dissipation versus output current in MICROSTEPPING mode
P
P
D
D
[W ]
[W]
P
D
10
[W]
(full step two phase on)
(full step one phase on)
10
8
6
4
2
0
8
6
4
2
0
0
10
0
8
6
4
2
0
0.25 0.5 0.75 1
0 0.25 0.5 0.75 1 1.25 1.5
0.25 0.5 0.75 1
NORM AL DRIVE
WAVE DRIVE
MICROSTEPPING
I
I
OUT
OUT
I
OUT
[A ]
[A]
Doc ID 14321 Rev 4
[A]
1.25 1.5
1.25 1.5
I
I
I
I
A
B
A
B
I
I
A
B
Test Conditions:
Supply Voltage = 24V
f
f
Test Conditions:
Supply Volt age = 24 V
SW
SW
Test Conditions:
Supply Voltage = 24V
= 30 k Hz (slow decay)
= 50 k Hz (slow decay)
I
I
OUT
OUT
I
OUT
No PW M
f
I
SW
No PWM
f
OUT
SW
= 3 0 kHz (slow decay)
= 30 kHz (slow decay)
I
OUT
I
OUT
L6228Q