參數(shù)資料
型號: TDF5242
廠商: NXP Semiconductors N.V.
英文描述: Brushless DC motor drive circuit
中文描述: 無刷直流電動機驅(qū)動電路
文件頁數(shù): 11/20頁
文件大?。?/td> 108K
代理商: TDF5242
1997 Sep 12
11
Philips Semiconductors
Preliminary specification
Brushless DC motor drive circuit
TDF5242T
AMP OUT (open collector)
I
sink
V
sat
V
O
SR
g
m(tr)
output sink current
saturation voltage
output voltage
slew rate
transfer gain
40
0.5
40
0.3
1.5
2.1
+18
mA
V
V
mA/
μ
s
S
I
I
= 40 mA
R
L
= 330
; C
L
= 50 pF
DIR
V
IL
LOW level input voltage (reverse
rotation)
HIGH level input voltage (normal
rotation)
LOW level input current (reverse
rotation)
HIGH level input current (normal
rotation)
reverse mode;
4 V < V
P
< 18 V
normal mode;
4 V < V
P
< 18 V
reverse mode;
T
amb
= 25
°
C
normal mode;
T
amb
= 25
°
C
2.3
V
V
IH
2.7
V
I
IL
20
μ
A
I
IH
0
μ
A
BRAKE
V
BM
brake-mode voltage
enable brake mode;
4 V < V
P
< 18 V
normal mode;
4 V < V
P
< 18 V
brake mode; T
amb
= 25
°
C
normal mode;
T
amb
= 25
°
C
2.3
V
2.7
V
I
I
input current
20
0
30
20
μ
A
μ
A
FG (push-pull)
V
OL
V
OH
t
THL
LOW level output voltage
HIGH level output voltage
HIGH-to-LOW transition time
I
O
= 1.6 mA
I
O
=
60
μ
A
T
amb
= 25
°
C;
C
L
= 50 pF; R
L
= 10 k
T
amb
= 25
°
C
V
P
0.3
0.5
0.4
V
V
μ
s
ratio of FG frequency and
commutation frequency
1
CAP-ST
I
sink
I
source
V
SWL
V
SWH
output sink current
output source current
LOW level switching voltage
HIGH level switching voltage
1.5
2.5
2.0
2.0
0.20
2.20
2.5
1.5
μ
A
μ
A
V
V
T
amb
= 25
°
C
T
amb
= 25
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
f
f
comm
-------------
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