1-2-3 5-Phase Stepper Motor Driver ICs
SI-7510
New Pentagon Connection
■Absolute
Maximum Ratings
Parameter
Main Supply Voltage
Logic Supply Voltage
Logic Input Voltage
REF Input Voltage
SENCE Input Voltage
Charge Pump Output Voltage
Power Dissipation
Operating Ambient Temperature
Storage Temperature
Junction Temperature
Symbol
V
CC
1
V
CC
2
V
IN
V
REF
V
SENCE
V
MC3
P
D
T
a
T
stg
T
j
Ratings
44
7
–0.3 to V
CC
2
–0.3 to V
CC
2
2
48
1.6
–10 to 80
–20 to 150
150
Unit
V
V
V
V
V
V
W
°C
°C
°C
Except when tw<1µs
Remarks
■Recommended
Operating Ranges
Parameter
Main Supply Voltage
Logic Supply Voltage
REF Input Voltage
Symbol
V
CC
1
V
CC
2
V
REF
Operating Ranges
10 to 42
*
3 to 5.5
0.1 to 1
Unit
V
V
V
*: Insert a 5V Zener diode between V
CC1
and V
MC3
when using with V
CC1
of 35 V or more.
■Electrical
Characteristics
Parameter
Main Supply Current
Logic Supply Current
Logic Input Voltage
Logic Input Current
ENA Input Current
REF Input Current
SENCE Voltage
SENCE Current
MO Output Voltage
RC Pin Threshold Voltage
RC Pin Outflow Current
Charge Pump Output Voltage
High Side Output Voltage
(between gate sources)
Low Side Output Voltage
Maximum CL Frequency
Maximum Input CL Width (on)
Power-on Reset time
Output Delay Time
CW/CCW, F/H
Input Data Setup Time
CW/CCW, F/H
Input Data Hold Time
Symbol
min.
I
CC
1
I
CC
2
V
IL
V
IH
I
IL
I
IH
I
ENA
I
REF
V
SENCE
I
SENCE
V
MOL
V
MOH
V
RCL
V
RCH
I
RC
V
MC3
V
HGSL
V
HGSH
V
LGL
V
LGH
fck
T
CON
PTW
TIO
T
ICS
T
ICH
500
500
100
1
1.5
2
7.5
8.5
1
4
0.5
1.5
300
V
CC
1+9
1
–20
3.75
–20
–20
–100
–20
1
20
1
20
20
20
20
Ratings
typ.
max.
25
10
1.25
(Ta=25°C, Vcc1=24V, VCC2=5V, unless otherwise specified)
Unit
mA
mA
V
V
µA
µA
µA
µA
V
µA
V
V
V
V
µA
V
V
V
V
V
KHz
µs
µs
µs
µs
µs
Against CL
↑
Without Zener diode
V
RC
=0V
V
IL
=0V
V
IH
=5.5V
V
ENA
=0V
V
REF
=0 to 5.5V
V
REF
=1V
V
SENCE
=0V, 2V
I
MOL
=1mA
I
MOH
=–1mA
Conditions
114
ICs
SI-7510
■Internal
Block Diagram
V
CC
2
V
CC
1
MC2 MC3 MC1
■Pin
Assignment and Function Table
Pin No.
1
2
Symbol
MC1
MC3
MC2
V
CC
1
Enable
V
CC
2
MO
CL
F/H
CW/CCW
Reset
RC
Ref
Sense
Gnd
VOLE
VOLD
VOLC
VOLB
VOLA
VOHSE
VOHGE
VOHSD
VOHGD
VOHSC
VOHGC
VOHSB
VOHGB
VOHSA
VOHGA
Function
Capacitor Connection Terminal for Charge Pump (for MC2)
Capacitor Connection Terminal for Charge Pump (for Gnd)
Capacitor Connection Terminal for Charge Pump (for MC1)
Main Supply Voltage Input
Output OFF
Logic Voltage Input
Monitor to Detect Motor Position
Clock
4-phase, 4-5 phase switching
Switching Between Forward and Backward Rotation
Reset
RC Connection for Chopping Off Time Setting
Reference Voltage Input for Motor Current Setting
For Motor Current Detection
Gnd
Low Side MOSFET Gate Connection Pin (E-phase)
Low Side MOSFET Gate Connection Pin (D-phase)
Low Side MOSFET Gate Connection Pin (C-phase)
Low Side MOSFET Gate Connection Pin (B-phase)
Low Side MOSFET Gate Connection Pin (A-phase)
High Side MOSFET Source Connection Pin (E-phase)
High Side MOSFET Gate Connection Pin (E-phase)
High Side MOSFET Source Connection Pin (D-phase)
High Side MOSFET Gate Connection Pin (D-phase)
High Side MOSFET Source Connection Pin (C-phase)
High Side MOSFET Gate Connection Pin (C-phase)
High Side MOSFET Source Connection Pin (B-phase)
High Side MOSFET Gate Connection Pin (B-phase)
High Side MOSFET Source Connection Pin (A-phase)
High Side MOSFET Gate Connection Terminal (A-phase)
Oscillator
Charge Pump
3
4
OHGA
OHSA
OHGB
OHSB
OHGC
OHSC
OHGD
OHSD
OHGE
OHSE
Enable
MO
CL
5
6
7
8
9
10
11
12
13
14
15
16
17
Highside Drive
Sequencer
F/H
CW/CCW
Reset
Lowside Drive
OLA
OLB
OLC
OLD
OLE
RC
Ref
Sense
Gnd
PWM
Control
■Typical
Connection Diagram
C1
C2
18
19
20
24V
21
I
O
=VRS/R
S
I
OM
=Io/2
*I
OM
: Motor Coil Current
tOFF=1.1
*
Rt
*
Ct
5V
V
CC
2
MC1
MC2 MC3
V
CC
1
6
1
3
2
R3
Enable
MO
5
7
8
9
10
11
Logic Signal
Input and Output
CL
F/H
CW/CCW
Reset
4
30
29
28
27
26
25
24
23
22
21
22
23
24
25
26
27
28
29
OHGA
OHSA
OHGB
OHSB
OHGC
OHSC
OHGD
OHSD
OHGE
OHSE
4 5 10 15
3
9
1
7
14
SLA5073
8
12
13
2
6
11
SI-7510
5-phase SPM
New Pentagon
C4
R1
Ref
C3
R2
12
13
20
19
18
OLA
OLB
OLC
4
3
9
7
17
16
15
Gnd
OLD
OLE
Pins 11 to 15: NC
SLA5074
1
8
5
R
1
=510Ω
R
2
=100Ω(VR)
R
3
=20KΩ
R
S
=0.33Ω(1 to 2W)
R
t
=15 to 75KΩ
C
t
=420 to 1100pF
C
1
=2200pF
C
2
=0.01µF
C
3
=0.1µF
C
4
=0.01µF
10
2
6
30
14
Sense
RC
Rs
Io
Ct
Rt
■Truth
Table
Pin Name
Clock
CW/CCW
Forward Rotation (CW)
4-phase excitation
Disable
Enable
Low Level
High Level
Positive Edge
Backward Rotation (CCW)
4-5 phase excitation
Enable
Reset
*Be especially careful of noise on the Vcc line. The product may malfunction if noise on the Vcc line is 0.5 V or more.
■Input
and Output Timing Chart
0
CL
Reset
Enable
CW/CCW
F/H
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
Full/Half
Enable
Reset
■External
Dimensions (DIP30)
8.8±0.2
(Unit : mm)
OHA
OHB
OHC
OHD
OHE
OLA
OLB
OLC
OLD
OLE
MO
Reset
CW, Full
CCW, Full
CCW, Half
CW, Half
28.2±0.3
75
CL
Reset
80
85
90
95
100
105
110
3.61±0.1
4.3±0.3
CW/CCW
F/H
OHA
OHB
OHC
OHD
OHE
OLA
OLB
OLC
OLD
OLE
MO
CW, Half
Disable
Reset
CCW,Full
Disable
The range to Prohibit Switching
The range to
Prohibit Switching
500ns
500ns
Switchable Range
CW/CCW
F/H
CL
1.0
–
0.06
+
0.3
7.1±0.5
Enable
10.16
* Condition to Switch Input Signals
+
0.1
0.25
–
0.05
1.778
2.8±0.2
0° to 15°
1.654 TYP
0.46±0.1
Product Mass : Approx.2g
ICs
115
51单片机
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