參數(shù)資料
型號(hào)： L292H
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSH DC MOTOR CONTROLLER, 2.5 A, PZFM15
封裝： MULTIWATT-15
文件頁數(shù)： 3/14頁
文件大小： 261K
代理商： L292H
11/13
L292
Example :
a) Data
– Motors characteristics:
LM = 5 mH
RM = 5 W
LM / RM = 1msec
– Voltage and current characteristics:
Vs = 20 V
IM = 2 A
VI = 9.1 V
– Closed loop bandwidth : 3 kHz
b) Calculation
From relationship (4) :
and from (1) :
RC = 1 msec [from expression (2) ]
Assuming
ξ = 1/
; from (7) follows :
The cutoff frequency is :
c) Summarising
R
S
0.044
I
M
--------------- V
I
0.2
==
G
mo
2V
S
R
M VR
----------------
1
1
–
==
2
ξ
2
1
2
---
400 C
4R
F CF
0.2
--------------------------------
==
f
T
143 10
3
–
R
F CF
--------------------------
3kHz
==
R
– C = 1.10
3
–
sec
1000 C
R
F CF
------------------ = 1
–
R
F CF
47
s
–
C = 47nF
R = 22 K
For R
F = 510
C
F = 92nF
→
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