參數(shù)資料
型號(hào)： SMA7029M
廠商： Allegro MicroSystems, Inc.
英文描述： HIGH-CURRENT PWM, UNIPOLAR STEPPER MOTOR CONTROLLER/DRIVERS
中文描述： 高電流PWM，單極步進(jìn)電機(jī)控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù)： 1/7頁(yè)
文件大?。?/td> 77K
代理商： SMA7029M
5
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
Parameter
Symbol
Ratings
Units
SLA7022MU
SLA7029M
SMA7022MU
SMA7029M
Motor supply voltage
FET Drain-Source voltage
Control supply voltage
TTL input voltage
Reference voltage
Output current
V
CC
V
DSS
V
S
V
IN
V
REF
I
O
P
D1
P
D2
T
ch
T
stg
46
100
46
7
2
V
V
V
V
V
A
W
W
°
C
°
C
1
4.5 (Without Heatsink)
35 (T
C
=25
°
C)
1.5
1
4.0 (Without Heatsink)
28(T
C
=25
°
C)
1.5
Power dissipation
Channel temperature
Storage temperature
+150
40 to +150
I
Absolute Maximum Ratings
2-Phase Stepper Motor Unipolar Driver ICs
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
2-Phase Excitation
(T
a
=25
°
C)
Ratings
Parameter
Symbol
SLA7022MU
typ
10
V
S
=44V
24
SLA7029M
typ
10
V
S
=44V
24
SMA7022MU
typ
10
V
S
=44V
24
SMA7029M
typ
10
V
S
=44V
24
Units
min
max
15
min
max
15
min
max
15
min
max
15
Control supply current
I
S
mA
Condition
V
S
V
DSS
Condition
V
DS
Condition
I
DSS
Condition
V
SD
Condition
I
IH
Condition
I
IL
Condition
V
IH
Condition
V
IL
Condition
V
IH
Condition
V
IL
Condition
T
r
Condition
T
stg
Condition
T
f
Condition
Control supply voltage
FET Drain-Source
voltage
10
100
44
10
100
44
10
100
44
10
100
44
V
V
V
S
=44V, I
DSS
=250
μ
A
V
S
=44V, I
DSS
=250
μ
A
V
S
=44V, I
DSS
=250
μ
A
V
S
=44V, I
DSS
=250
μ
A
FET ON voltage
0.85
0.6
0.85
0.6
V
I
D
=1A, V
S
=14V
I
D
=1A, V
S
=14V
I
D
=1A, V
S
=14V
I
D
=1A, V
S
=14V
FET drain leakage current
4
4
4
4
mA
V
DSS
=100V, V
S
=44V
V
DSS
=100V, V
S
=44V
V
DSS
=100V, V
S
=44V
V
DSS
=100V, V
S
=44V
FET diode forward
voltage
1.2
1.1
1.2
1.1
V
I
D
=1A
I
D
=1A
I
D
=1A
I
D
=1A
40
40
40
40
μ
A
TTL input current
V
IH
=2.4V, V
S
=44V
V
IH
=2.4V, V
S
=44V
V
IH
=2.4V, V
S
=44V
V
IH
=2.4V, V
S
=44V
0.8
0.8
0.8
0.8
mA
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
V
IL
=0.4V, V
S
=44V
2
I
D
=1A
TTL input voltage
(Active High)
V
0.8
0.8
0.8
0.8
V
DSS
=100V
V
DSS
=100V
V
DSS
=100V
V
DSS
=100V
2
2
2
2
TTL input voltage
(Active Low)
V
DSS
=100V
V
DSS
=100V
V
DSS
=100V
V
DSS
=100V
V
0.8
0.8
0.8
0.8
I
D
=1A
0.5
I
D
=1A
0.5
I
D
=1A
0.5
I
D
=1A
0.5
V
S
=24V, I
D
=0.8A
0.7
V
S
=24V, I
D
=0.8A
0.1
V
S
=24V, I
D
=0.8A
V
S
=24V, I
D
=1A
0.7
V
S
=24V, I
D
=1A
0.1
V
S
=24V, I
D
=1A
V
S
=24V, I
D
=0.8A
0.7
V
S
=24V, I
D
=0.8A
0.1
V
S
=24V, I
D
=0.8A
V
S
=24V, I
D
=1A
0.7
V
S
=24V, I
D
=1A
0.1
V
S
=24V, I
D
=1A
Switching time
μ
s
I
Electrical Characteristics
(T
a
=25
°
C)
D
A
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