參數(shù)資料
型號(hào): L6228Q
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 2.8 A, QCC32
封裝: 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁數(shù): 19/32頁
文件大?。?/td> 491K
代理商: L6228Q
Output current capability and IC power dissipation
L6228Q
26/32
Doc ID 14321 Rev 4
Figure 27.
IC power dissipation versus output current in NORMAL mode
(full step two phase on)
Figure 28.
IC power dissipation versus output current in WAVE mode
(full step one phase on)
Figure 29.
IC power dissipation versus output current in MICROSTEPPING mode
No PWM
fSW = 30 kHz (slow decay)
Test Conditions:
Supply Volt age =24 V
I A
I B
IOUT
PD [W ]
I OUT [A ]
NORM AL DRIVE
0
0.25 0.5 0.75
1
1.25 1.5
0
2
4
6
8
10
No PW M
fSW = 3 0 kHz (slow decay)
Test Conditions:
Supply Voltage = 24V
I A
I B
IOUT
WAVE DRIVE
PD [W]
I OUT [A]
0
0.25 0.5 0.75 1
1.25 1.5
0
2
4
6
8
10
fSW = 50 k
Hz (slow decay)
fSW = 30 k
Hz (slow decay)
I A
I B
IOUT
MICROSTEPPING
PD [W]
I OUT [A]
Test Conditions:
Supply Voltage = 24V
0
0.25 0.5 0.75 1
1.25 1.5
0
2
4
6
8
10
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