2-Phase Excitation
2-Phase Stepper Motor Unipolar Driver ICs
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
■Absolute Maximum Ratings
Parameter Symbol
Motor supply voltage VCC 46 V
FET Drain-Source voltage VDSS 100 V
Control supply voltage VS 46 V
TTL input voltage VIN 7V
Reference voltage VREF 2V
Output current IO 1 1.5 1 1.5 A
Power dissipation
Channel temperature Tch +150 °C
Storage temperature Tstg −40 to +150 °C
PD1 4.5 (Without Heatsink) 4.0 (Without Heatsink) W
PD2 35 (TC=25°C) 28(TC=25°C) W
SLA7022MU SLA7029M SMA7022MU SMA7029M
Ratings
■Electrical Characteristics
Ratings
Parameter Symbol SLA7022MU SLA7029M SMA7022MU SMA7029M Units
min typ max min typ max min typ max min typ max
Control supply current
Control supply voltage VS 10 24 44 10 24 44 10 24 44 10 24 44 V
FET Drain-Source VDSS 100 100 100 100
voltage
FET ON voltage
FET drain leakage current
FET diode forward VSD 1.2 1.1 1.2 1.1
voltage
TTL input current
DC characteristics
TTL input voltage
(Active High) VIL 0.8 0.8 0.8 0.8
TTL input voltage
(Active Low) VIL 0.8 0.8 0.8 0.8
Switching time
AC characteristics
IS 10 15 10 15 10 15 10 15
Condition
Condition
VDS 0.85 0.6 0.85 0.6
Condition
IDSS 4444
Condition
Condition
IIH 40 40 40 40
Condition
IIL
Condition
VIH 22 22
Condition
Condition
VIH 22 22
Condition
Condition
Tr 0.5 0.5 0.5 0.5
Condition
Tstg 0.7 0.7 0.7 0.7
Condition
Tf 0.1 0.1 0.1 0.1
Condition
VS=44V VS=44V VS=44V VS=44V
VS=44V, IDSS=250 µAVS=44V, IDSS=250 µAVS=44V, IDSS=250 µAVS=44V, IDSS=250 µA
ID=1A, VS=14V ID=1A, VS=14V ID=1A, VS=14V ID=1A, VS=14V
VDSS=100V, VS=44V VDSS=100V, VS=44V VDSS=100V, VS=44V VDSS=100V, VS=44V
ID=1A ID=1A ID=1A ID=1A
VIH=2.4V, VS=44V VIH=2.4V, VS=44V VIH=2.4V, VS=44V VIH=2.4V, VS=44V
−
0.8
VIL=0.4V, VS=44V VIL=0.4V, VS=44V VIL=0.4V, VS=44V VIL=0.4V, VS=44V
ID=1A ID=1A ID=1A ID=1A
VDSS=100V VDSS=100V VDSS=100V VDSS=100V
VDSS=100V VDSS=100V VDSS=100V VDSS=100V
ID=1A ID=1A ID=1A ID=1A
VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A
VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A
VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A
−
0.8
−
0.8
−
Units
0.8
(Ta=25°C)
(Ta=25°C)
mA
V
V
mA
V
µ
A
mA
V
V
µ
s
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
5
■Internal Block Diagram
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M2-Phase Stepper Motor Unipolar Driver ICs (2-Phase Excitation)
6
15 8VS14
INA
INB
10 15
Reg Reg
+
–
RSA
7
+
–
TDA
REFA
2 3 4 121311
+
–
REFB
GNDA
GNDB
+
–
TDB
RSB
9
■Diagram of Standard External Circuit (Recommended Circuit Constants)
1, 6, 10, 15pin
Description of pins
Active H
OUT A
1pin
OUT A
6pin
10pin
15pin
OUT B
OUT B
Excitation input
Active L
OUT A
OUT A
OUT B
OUT B
VCC (46V max)
V
b (5V)
C1 C2
dA tdB
t
r4r3
Open
collector
Excitation signal time chart
2-phase excitation
+
clock 0 1 2 3 0 1
INA HHLLHH
B LHHLLH
IN
1-2 phase excitation
8161015
V
S
r1
2
TdA
TdB
11
r2
RSA REFA REFB RSB GA GB
7 3 13 9 4 12
4
3
C
C
RsRs
r6r5
INA
INB
5
INA
14
INB
clock 0 1 2 3 4 5 6 7 0 1 2 3
INA HHHHLL LLHHH H
tdA LLLHLLLHLLL H
INB LLHHHHLLLLH H
B LHLLLHLLLHL L
td
● tdA and tdB are signals before the inverter stage.
r
1 : 510Ω
2 : 100Ω (VR)
r
3 : 47kΩ
r
4 : 47kΩ
r
5 : 2.4kΩ
r
6 : 2.4kΩ
r
1 : 330 to 500pF
C
2 : 330 to 500pF
C
3 : 2200pF
C
4 : 2200pF
C
s : 1.8 Ω typ(7022MU)
R
(1 to 2W)
1Ω typ(7029M)
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
6
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M2-Phase Stepper Motor Unipolar Driver ICs (2-Phase Excitation)
■External Dimensions SLA7022MU/SLA7029M
±0.2
14×P2.03
31
±0.2
24.4
±0.2
16.4
Part No.
Lot No.
±0.7
±0.2
31.3
=28.42
±1.0
1.15
3.2
+0.2
–0.1
±0.15
×3.8φ4.8
R-End
±0.2
1.7
2.45
0.55
4
0.5
±
±0.7
6.7
(3)
±0.1
±0.2
+0.2
–0.1
+1
–0.5
9.7
±0.15
3.2
φ
±0.2
±0.2
±0.2
16
13
9.9
+0.2
0.65
–0.1
123 ·······15
Forming No. No.853
■External Dimensions SMA7022MU/SMA7029MA
±0.4
14×P2.03
=28.42
123·······15
Epoxy resin package
+0.2
0.65
–0.1
±0.4
+0.2
2.2
1.15
–0.1
±0.6
6.3
±0.6
±0.8
7.5
Forming No. No.855
±0.6
3
±0.6
+0.2
1.6
(Unit: mm)
±0.6
4.6
–0.1
0.55
(Unit: mm)
x
±0.2
8.5ma
10.2
P2.03
123 ·······15
0.65
1.16
±0.2
31
Lot No.
Part No.
+0.2
–0.1
+0.2
–0.1
±0.1
×14=28.42
+0.2
31.3
Forming No. No.1054
Epoxy resin package
±0.2
4
±0.2
2.5
30°
1.45
0.55
4
0.5
±
±0.7
6.7
(3)
±0.15
+0.2
–0.1
(9.7)
P2.03
±0.1
×14=28.42
0.62
1.16
±0.1
±0.15
1.2
±0.1
(5.9)
(7.5)
±0.6
3
(4.6)
±0.6
+0.2
–0.1
1.6
0.55
123 ·······15
Forming No. No.1055
SLA7022MU/SLA7029M/SMA7022MU/SMA7029M
7