90 ICs
1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
Parameter Symbol
Ratings
Unit
SLA7022MU SLA7029M SMA7022MU SMA7029M
Motor Supply Voltage VCC 46 V
FET Drain-Source Voltage VDSS 100 V
Control Supply Voltage VS46 V
TTL Input Voltage VIN 7V
Reference Voltage VREF 2V
Output Current IO11.5 1 1.5 A
Power Dissipation PD1 4.5 (Without Heatsink) 4.0 (Without Heatsink) W
PD2 35 (TC=25°C) 28 (TC=25°C) W
Channel Temperature Tch +150 °C
Storage Temperature Tstg –40 to +150 °C
■Absolute Maximum Ratings (Ta=25°C)
Ratings
Parameter Symbol SLA7022MU SLA7029M SMA7022MU SMA7029M Unit
min. typ. max. min. typ. max. min. typ. max. min. typ. max.
Control Supply Current IS10 15 10 15 10 15 10 15 mA
Condition
VS=44V VS=44V VS=44V VS=44V
Control Supply Voltage VS10 24 44 10 24 44 10 24 44 10 24 44 V
FET Drain-Source Voltage VDSS 100 100 100 100 V
Condition
VS=44V, IDSS=250
µ
AVS=44V, IDSS=250
µ
AVS=44V, IDSS=250
µ
AVS=44V, IDSS=250
µ
A
FET ON Voltage VDS 0.85 0.6 0.85 0.6 V
Condition
ID=1A, VS=14V ID=1A, VS=14V ID=1A, VS=14V ID=1A, VS=14V
FET Drain Leakage Current IDSS 4444
mA
Condition
VDSS=100V, VS=44V VDSS=100V, VS=44V VDSS=100V, VS=44V VDSS=100V, VS=44V
FET Diode Forward Voltage VSD 1.2 1.1 1.2 1.1 V
Condition
ID=1A ID=1A ID=1A ID=1A
IIH 40 40 40 40
µ
A
TTL Input Current
Condition
VIH=2.4V, VS=44V VIH=2.4V, VS=44V VIH=2.4V, VS=44V VIH=2.4V, VS=44V
IIL –0.8 –0.8 –0.8 –0.8 mA
Condition
VIL=0.4V, VS=44V VIL=0.4V, VS=44V VIL=0.4V, VS=44V VIL=0.4V, VS=44V
VIH 22 22
TTL Input Voltage (Active High)
Condition
ID=1A ID=1A ID=1A ID=1A V
VIL 0.8 0.8 0.8 0.8
Condition
VDSS=100V VDSS=100V VDSS=100V VDSS=100V
VIH 22 22
TTL Input Voltage (Active Low)
Condition
VDSS=100V VDSS=100V VDSS=100V VDSS=100V V
VIL 0.8 0.8 0.8 0.8
Condition
ID=1A ID=1A ID=1A ID=1A
Tr0.5 0.5 0.5 0.5
Condition
VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A
Switching Time Tstg 0.7 0.7 0.7 0.7
µ
s
Condition
VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A
Tf0.1 0.1 0.1 0.1
Condition
VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A
■Electrical Characteristics (Ta=25°C)
2-Phase Excitation
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
DC CharacteristicsAC Characteristics
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91
ICs
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
■Internal Block Diagram
■Typical Connection Diagram (Recommended component values)
6
Reg Reg
15 8
VS
14
INB
INA
7
RSA
234 121311
TDA
REF
A
GND
A
GND
B
REF
B
TDB
RSB
9
10 15
+
–+
–+
–
+
–
8161015
V
S
R
SA
REF
A
REF
B
R
SB
G
A
G
B
731394 12
C
4
r
6
r
5
r
2
r
1
r
4
r
3
C
1
C
2
T
dA
T
dB
IN
A
IN
B
IN
A
IN
B
5
14
+
V
CC
(46V max)
V
b
(5V)
RsRs C
3
11
2
Open
collector
t
dA
t
dB
Excitation signal time chart
2-phase excitation
clock 012301
INAHHL LHH
INBLHHLLH
1-2 phase excitation
clock 0 1 2 3 4 5 6 7 0 1 2 3
INA HHHH L L LLHHH H
tdA LL LHL L LHLLL H
INB LLHHHHLLLLH H
tdB LHL L LH LLLHL L
●tdA and tdB are signals before the inverter
stage.
r1 : 510ΩC1 : 330 to 500pF
r2 : 100Ω (VR) C2 : 330 to 500pF
r3 : 47kΩC3 : 2200pF
r4 : 47kΩC4 : 2200pF
r5 : 2.4kΩRs : 1.8Ω typ (7022MU)
r6 : 2.4kΩ 1Ω typ (7029M)
(1~2W)
1, 6, 10, 15pin
Description of pins
Excitation input signal
Active H
OUT A
OUT A
OUT B
OUT B
1pin
6pin
10pin
15pin
Active L
OUT A
OUT A
OUT B
OUT B
■External Dimensions (ZIP15 with Fin [SLA15Pin] /ZIP15[SMA15Pin])
31
±0.2
24.4
±0.2
16.4
±0.2
3.2
±0.15
φ
16
±0.2
13
±0.2
9.9
±0.2
Part No.
Lot No.
3.2
±0.15
×3.8
φ
4.8
±0.2
1.7
±0.1
2.45
±0.2
R-End
6.7
±0.5
9.7
+1
–0.5
(3)
0.55
+0.2
–0.1
4
±0.7
1.15
+0.2
–0.1
14×P2.03
±0.7
=28.42
±1.0
0.65
+0.2
–0.1
31.3
±0.2
Forming No. No.853
123.......15 123 .......
15
Forming No. No.855
14×P2.03
±0.4
=28.42
±0.8
0.65
+0.2
–0.1
3
±0.6
0.55
+0.2
–0.1
2.2
±0.4
6.3
±0.6
7.5
±0.6
4.6
±0.6
1.6
±0.6
Epoxy resin package
1.15
+0.2
–0.1
(Unit:mm)
SLA7022MU/SLA7029M SMA7022MU/SMA7029MA
31
±0.2
Part No.
Lot No.
4
±0.2
2.5
±0.2
1.45
±0.15
6.7
±0.5
(9.7)
(3)
0.55
+0.2
–0.1
4
±0.7
P2.03
±0.1
×14=28.42
0.65
+0.2
–0.1
Forming No. No.1054
123 15 123 15
Forming No. No.1055
P2.03
±0.1
×14=28.42
1.16
±0.15
3
±0.6
0.55
+0.2
–0.1
1.2
±0.1
(5.9)
(4.6)
1.6
±0.6
1.16
+0.2
–0.1
30°
0.62
±0.1
(7.5)
Epoxy resin package
8.5ma
x
10.2
±0.2
31.3
+0.2
....... .......
Product Mass : Approx.6g Product Mass : Approx.4g
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