PMM3501 Datasheet PDF - ETC

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PMM3501
ETC

Part Number PMM3501
Description 3-Phase Stepping Motor Drive IC
Page 3 Pages


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3-Phase Stepping Motor Drive
IC for Universal Controller
PMM3501
Micro step
Outline
The PMM3501 IC for stepping motor drive is a power hybrid IC (HIC) that consists of an energization mode generation
circuit and a switching device to drive 3-phase stepping motors in a single package.
It has been developed to facilitate the use of 3-phase stepping motors more easily so that you can easily configure a
micro step drive device only with this HIC and a few peripheral parts.
Features
• Micro step sine wave drive driver
• Built-in current detection resistor
• Adopting MOSFET as the power drive device to reduce heat generation
• All-in-one package reducing the number of parts of the peripheral circuit
• 5 energization modes available with an external bit signal
Maximum ratings (TC=25˚C)
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Source voltage_1
Source voltage_2
Input voltage
Phase current
Board temperature during operation
Joint temperature
Conservation temperature
Symbol
VCC1max
VCC2max
Vinmax
IOmax
TCmax
Tjmax
Tstg
Condition
VCC2=0V
Without signal
Logic input terminal
VCC2=5V,Clock 100Hz
No condensation at low temperature
______
______
Rating
37
7
7
6
0~+105
+150
40~+125
Recommended operating conditions (Ta=15˚C)
Item
Source voltage_1
Source voltage_1
Input voltage
Phase current_1
Phase current_2
Clock frequency
Phase driver withstand voltage
Symbol
VCC1
VCC2
VIH
IO1
IO2
Clock
VDSS
Condition
With signal
Without signal
______
Without heat sink
TC=105˚C,Clock 100Hz
Pin 11 input frequency
(pulse duty: 50%)
ID=10mA(TC=25˚C)
Rating
16~30
5.0±5%
0~VCC2
1.7
4.4
DC~50
60
Unit
V
V
V
A
˚C
˚C
˚C
Unit
V
V
V
A
A
kHz
V
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External Figures (unit: mm)
Pin connection
Pin No.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
Name
VCC1B
VCC1C
UO
WO
VO
Vz
VCC1A
GND2
Vref
Clock
Mode A
Mode B
Hold
CW/CCW
Enable
Reset
Mode C
GND1
MOI
VCC2
UI
VI
WI
P.GNDA
P.GNDB
+0.2
2–ø3.6–0.1
(8)
78
70
PMM3501
1
2
27x2=54
28
+0.2
0.5–0.05
9
+0.2
0.4–0.05
2.9
Electrical characteristics (TC=25˚C, VCC1=24V, VCC2=5V)
Item
VCC2 source current
Effective output current
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FET diode forward voltage
Output saturation voltage
Output leak current
"H" level input voltage
"L" level input voltage
Input current
Vref input voltage
Vref input current
"H" level MOI output voltage
"L" level MOI output voltage
PWM frequency
Symbol
ICCO
Ioe
Vdf
Vsat
IOL
VIH
VIL
IIL
VrH
Ir
VOH
VOL
FC
Condition
Enable="L"
Each phase R/L=2/6mH
2W23phase energization
If=1A(RL=23)
RL=23
RL=23
Pins 11 to 18
Pins 11 to 18
Pins 11 to 18 = GND level
Pull-up resistance:20k
Pin 10
Pin 10 = 2.5 V
Internal resistance:4k
Pins 20 – 19 = 820k
Pins 21 – 20 = 1.6k
Min
0.92
4.0
115
0
440
2.5
23
Rating
Standard
6.1
1.03
1.0
0.30
250
625
31
Max
12
1.14
1.6
0.40
0.1
1.0
550
VCC2/2
810
0.4
39
Unit
mA
Arms
V
V
mA
V
V
µA
V
µA
V
V
kHz
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Function of each terminal
Function of each terminal
Vref
Clock
Hold
CW/CCW
Enable
Reset
MOI
function
Motor current setting input
Pulse input for motor drive
Pause input
Motor rotational direction setting input
Power off input
System reset
Rotation monitor output
Input condition for operation
Mode C = "H": Rising edge operation
Mode C = "L": Rising edge and falling edge operation
Hold = "L" level
"H" level = CW rotation
"L" level = CCW rotation
Enable = "L" level
Reset = "L" level
"H" level output once for each phase current period
• The MOI output differs from the phase origin monitor output.
Energization mode table
Input
Mode A
Mode B
LL
LH
HL
HH
HH
Mode C
H
H
H
H
L
condition Energization mode
2EX
23EX
W23EX
2W23EX
4W23EX
1 step angle
(degree)
1.2
0.6
0.3
0.15
0.075
Basic step division
1
2
4
8
16
• When Mode C = "L," 1 step operation is performed for each rising edge and falling edge of the Clock pulse.
If the duty ratio of the drive pulse moves out of the adjustment significantly by 50%, operation becomes unstable.
Example of Application Circuit
Vcc2(5V)
Clock
Mode A
Mode B
Mode C
Hold
CW / CCW
Enable
Reset
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+ R1
C4 R2
Vref
C3
PMM3501
21
11
12
13
18
14
15
16
17
20
7
8
1
2
4
23
6
24
5
25
10
19 9 27 28
+
C2
Vcc1
16~30
3
2
1
+
C1
Stepping motor
P.GND
Recommended circuit part constants
C1
470µF
C2
6.8µF
C3
0.1µF
C4
10µF
For the R1 and R2 constants, determine the Vref voltage
according to the following equation.
Vref (V) = motor current adjustment value (A/phase) x 0.41
Notice that 100is recommended for R2 due to the
configuration of the internal circuit of the PMM3101.
Place the GND side of the source by-pass capacitor of VCC1 (C1)
as close to pins 27 and 28 as possible to reduce noise.
37



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