SI7510
■Internal
Block Diagram
V
CC
2
V
CC
1
MC2 MC3 MC1
■Pin
Assignment and Function Table
Pin No.
1
2
3
4
OHGA
OHSA
OHGB
OHSB
OHGC
OHSC
OHGD
OHSD
OHGE
OHSE
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
VOHG
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
Enable
MO
CL
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
I
O
=VRS/R
S
I
OM
=Io/2
*I
OM
: Motor Coil Current
tOFF=1.1
*
Rt
*
Ct
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
24V
V
CC
1
5V
V
CC
2
MC1
MC2 MC3
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
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
22
23
24
25
26
27
28
29
30
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
14
Sense
RC
Rs
Io
Ct
Rt
■Truth
Table
Pin Name
Clock
CW/CCW
Full/Half
Enable
Reset
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
■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
Lot No.
J APAN
SK
S I - 7510
28.2±0.3
75
CL
Reset
80
85
90
95
100
105
110
3.61±0.1
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
4.3±0.3
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
133
SANKEN [ SANKEN ELECTRIC ]
