Sanken Electric Co SLA7032M Datasheet
2-Phase/1-2 Phase Excitation
SLA7032M/SLA7033M
2-Phase Stepper Motor Unipolar Driver ICs
■Absolute Maximum Ratings
Parameter Symbol
Motor supply voltage VCC 46 V
Control supply voltage VS 46 V
FET Drain-Source voltage VDSS 100 V
TTL input voltage VIN −0.3 to +7
SYNC terminal voltage VSYNC −0.3 to +7
Reference voltage VREF −0.3 to +7 V
Sense voltage VRS −5 to +7 V
Output current IO 1.5 3 A
Power dissipation
Channel temperature Tch +150 °C
Storage temperature Tstg −40 to +150 °C
PD1 4.5 (Without Heatsink) W
PD2 35 (T c = 25°C) W
SLA7032M SLA7033M
Ratings
■Electrical Characteristics
Ratings
Parameter Symbol SLA7032M SLA7033M Units
min typ max min typ max
Control supply current
Control supply voltage VS 10 24 44 10 24 44 V
FET Drain-Source VDSS 100 100
voltage
FET ON voltage
FET diode forward voltage
FET drain leakage current
OUT
IN terminal VIH 2.0 2.0
OUT
Input
current
DC characteristics
Input
SYNC terminal
REF terminal
Switching time
AC characteristics
Chopping OFF time
voltage
Input
current¨
Input
current
Input
current
Internal
resistance
IS 10 15 10 15
Condition
Condition
VDS 0.6 0.85
Condition
VSD 1.1 2.3
Condition
I
DSS 250 250
Condition
VIH 2.0 2.0
Condition
VIL 0.8 0.8
Condition
Condition
VIL 0.8 0.8
Condition
II ±1 ±1
Condition
VSYNC 4.0 4.0
Condition
VSYNC 0.8 0.8
Condition
ISYNC 0.1 0.1
Condition
ISYNC −0.1 −0.1
Condition
VREF 0 2.0 0 2.0
Condition
VREF 4.0 5.5 4.0 5.5
Condition
IREF ±1 ±1
Condition
RREF 40 40
Condition
Resistance between GND and REF terminal at synchronous trigger Resistance between GND and REF terminal at synchronous trigger
Tr 0.5 0.5
Condition
Tstg 0.7 0.7
Condition
Tf 0.1 0.1
Condition
TOFF 12 12
Condition
Synchronous chopping mode Synchronous chopping mode
Asynchronous chopping mode Asynchronous chopping mode
VS=44V VS=44V
VS=44V, IDSS=250µAVS=44V, IDSS=250µA
ID=1A, VS=14V ID=3A, VS=14V
ISD=1A ISD=3A
VDSS=100V, VS=44V VDSS=100V, VS=44V
ID=1A ID=3A
VDSS=100V VDSS=100V
VDSS=100V VDSS=100V
ID=1A ID=3A
VS=44V, VI=0 or 5V VS=44V, VI=0 or 5V
VS=44V, VYS=5V VS=44V, VYS=5V
VS=44V, VYS=0V VS=44V, VYS=0V
Reference voltage input Reference voltage input
Output FET OFF Output FET OFF
No synchronous trigger No synchronous trigger
VS=24V, ID=1A VS=24V, ID=1A
VS=24V, ID=1A VS=24V, ID=1A
VS=24V, ID=1A VS=24V, ID=1A
VS=24V VS=24V
(Ta=25°C)
Units
V
mA
µ
µ
mA
µ
µ
µ
V
V
V
A
V
V
A
V
V
A
Ω
s
s
SLA7032M/SLA7033M
28
■Internal Block Diagram
567 1781 16 11 1812
IN A
MOSFET
gate drive
circuit
Synchronous
chopping
circuit
Rs A
9 2 4 3 14 15 13 10
SYNC A
IN A
Oscillator Oscillator
blanking timer
Chopping
OFF timer
µ
(12 s typ)
G A
Vs A
Reg. Reg.
Chopping
(5 s typ)
µ
+
−
Chopping
blanking timer
(5 s typ)
µ
+
−
A
B
EF
EF
R
R
Vs B
Chopping
OFF timer
(12 s typ)
SLA7032M/SLA7033M2-Phase Stepper Motor Unipolar Driver IC (2-Phase/1-2 Phase Excitation)
IN B
IN B
MOSFET
gate drive
µ
circuit
Synchronous
chopping
circuit
G B
SYNC B
Rs B
1, 8, 11, 18pin
Description of pins
Active H
OUT A
1pin
OUT A
8pin
OUT B
11pin
OUT B
18pin
Excitation input
Active L
OUT A
OUT A
OUT B
OUT B
■Diagram of Standard External Circuit (Recommended Circuit Constants)
Active High
Vcc (46Vmax)
Vb (5V)
r1
r2
Active Low
Vcc (46Vmax)
Vb (5V)
r1
r2
+
7
VsA VsB OUT
2
SYNC A
13
SYNC B
RsA GA GBRsBREFAREFB
9
Rs Rs
+
7
VsA VsB OUT
2
SYNC A
13
SYNC B
RsA GA GBRsBREFAREFB
9
Rs Rs
818
OUT
A
SLA7032M
SLA7033M
3414 1510
818
OUT
A
SLA7032M
SLA7033M
3414 1510
A
OUTBOUT
A
OUTBOUT
11112
B
6
IN
A
IN
A
5
IN
A
IN
A
17
IN
B
IN
B
16
IN
B
IN
B
11112
B
6
IN
A
IN
A
5
IN
A
IN
A
17
IN
B
IN
B
16
IN
B
IN
B
Excitation signal time chart
2-phase excitation
clock 0 1 2 3 0 1
INA HLLHHL
INA LHHL LH
INB HHLLHH
B LLHHLL
IN
Active
High
1-2 phase excitation
clock 0 1 2 3 4 5 6 7 0 1 2 3
INA HHLLLLLHHHLL
INA LLLHHHLLLLLH
INB LHHHLLLLLHHH
B LLLLLHHHLLLL
IN
Excitation signal time chart
2-phase excitation
clock 0 1 2 3 0 1
INA LHHL LH
INA HLLHHL
INB LLHHLL
B HHL LHH
IN
Active
Low
1-2 phase excitation
clock 0 1 2 3 4 5 6 7 0 1 2 3
INA LLHHHHHLL LHH
INA HHHLLLHHHHHL
INB HL LLHHHHHLLL
B HHHHHL LLHHHH
IN
r1 :4kΩ
2 :1kΩ(VR)
r
s :1Ω typ(7032M)
R
(1 to 2W)
0.68Ω typ(7033M)
1 :4kΩ
r
2 :1kΩ(VR)
r
s :1Ω typ(7032M)
R
(1 to 2W)
0.68Ω typ(7033M)
SLA7032M/SLA7033M
29
SLA7032M/SLA7033M2-Phase Stepper Motor Unipolar Driver IC (2-Phase/1-2 Phase Excitation)
■External Dimensions
±0.2
±0.15
3.2
φ
±0.2
±0.2
±0.2
16
13
9.9
+0.2
0.65
–0.1
31
24.4
16.4
Part No.
Lot No.
±0.4
17×P1.68
31.3
123 ·······18
±0.2
±0.2
=28.56
±0.2
±0.15
3.2
3.
4.
5.
+0.2
1
–0.1
±1
×3.8φ4.8
R-End
±0.2
1.7
2.45
0.55
4
0.5
±
±0.7
±0.1
±0.2
+1
–0.5
6.7
9.7
(3)
+0.2
–0.1
0.65
+0.2
–0.1
17×P1.68
±0.4
=28.56
+0.2
1
–0.1
±1
123 ·······18
Forming No. No.871 Forming No. No.872
2.2
7.5
(Unit: mm)
±0.6
±0.6
3
4.6
±0.6
±0.6
6
±0.6
+0.2
–0.1
0.55
±0.6
1.6
SLA7032M/SLA7033M
30
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