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L6207 数据表(PDF) 29 Page - STMicroelectronics

部件名 L6207
功能描述  APPLICATION NOTE
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6207 数据表(HTML) 29 Page - STMicroelectronics

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AN1762 APPLICATION NOTE
Figure 30. Definition of parameters for the three different sequences. The current in only one phase
is shown.
Figure 31. Input Data.
T
r
T
f
T
load
∆∆∆∆I
I
pk
I
t
T
I
load
NORMAL
T
r
T
f
T
load
∆∆∆∆I
I
pk
I
t
T/2
I
load
WAVE
T
r
T
f
T
load
∆∆∆∆I
I
pk
I
t
T
I
load
HALF STEP
Input Data
Maximum Drain-Source ON Resistance
Ron
=
5.60E-01
[Ohm]
Average Value between High-Side and Low-Side
Maximum diode voltage
Vd
=
1.20E+00
[V]
Quiescent Current
Iq
=
5.50E-03
[mA]
Maximum BEMF Voltage
Vb
=
1.50E+01
[V]
Motor Inductance
Lm
=
7.90E-03
[H]
Motor Resistance
Rm
=
6.60E+00
[Ohm]
Supply Voltage
Vs
=
2.40E+01
[V]
Peak Current
Ipk
=
1.00E+00
[A]
Off-Time
tOFF
=
1.50E-05
[s]
Step Frequency
fCK
=
1.00E+03
[Hz]
Sensing Resistance
Rs
=
5.00E-01
[Ohm]
Decay Type
-
"SLOW" = Synchronous Slow Decay
"FAST" = Quasi-Synchronous Fast decay
Stepping sequence
-
"NORMAL", "HALF" or "WAVE"
SLOW
WAVE
Device Input Values
Motor Input Values
Application Input Values



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