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PMM8714PT Datasheet PDF - ETC

Part Number PMM8714PT
Description 5-Phase Stepping Motor Drive IC for Universal Controller
Manufacturers ETC 
Logo ETC Logo 

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5-Phase Stepping Motor Drive
IC for Universal Controller
PMM8714PT
Outline
"PMM8714PT" is a Bi-CMOS monolithic IC to be used for controlling 5-phase stepping motor.
This IC has been developed for the purpose to further simplify the usage of 5-phase stepping motor. When combined
only with the switching elements or a power hybrid IC, this IC can configure a driver device for a 5-phase stepping
motor.
Characteristics
• Universal controller
: Selection is possible from the following three different excitation modes.
4EX/4-5EX/5EX
• Power voltage:
: Vcc=4V~16V
• High output current:
: 20mA min(source)
• High noise margin
: Schmitt trigger circuit is integrated for the all input terminals
• two kinds of pulse input : double input system (CW, CCW input mode), single input system (CK,U/D input mode)
• Power-down functions : Makes all the output to "L" level.
• Reset functions
: Shifts excitation status to the phase origin.
• Excitation mode preservation functions : Phase output does not change even when excitation mode is switched as follows: 4EX_4-5EX_5EX.
• Phase origin monitor
: Outputs at the "H" level at the time of phase origin (the output in reset mode).
• Determination monitor for excitation status : Outputs monitor signal for the status of controller.
• Input pulse monitor
: Outputs monitor signal for Vcc input pulse.
Maximum Rating (Ta = 25$$C)
Item
Power voltage
Output current "H" level
øn "L" level
Output current "H" level
CO,EM,ZO
"L" level
Input voltage
Input current
Tolerated loss
Operating temperature
Storage temperature
Symbol
VCC
IOH ø
IOL ø
IOH
IOL
VIN
IIN
PD
Topr
Tstg
Rating
-0.5~20
-30
2
-50
2
-0.5~VCC
±1
1000
-20~85
-55~150
Recommended Operating Conditions (Ta = -30 to 85~C)
Unit Rating
Item
Symbol
Unit
V Min. Standard Max.
Power voltage
mA
VCC 4 — 16 V
Output current "H" level
IOH ø — — -10
mA
µA øn
"L" level
IOL ø — — 1.6
mA Output current "H" level IOH — — -40 µ A
V
CO,EM,ZO
"L" level
IOL — — 1.6 mA
mA Input voltage
VIN
0
— VCC
V
mW Clock frequency
— 0 — 250 kHZ
˚C
˚C
337

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PMM8714PT equivalent
Example application circuit (full step/half step)
5V
Driving input
Excitation mode set
GND
PD input
Reset input
GND
GND
1 24
2
3
4
6
5
7
8
13
12 9
10
11
14
15
16
17
18
19
20
21
22
23
PMM8714PT
12V 24V
GND
5
External output
6
10
22
9
20
11
19
8
23
7
21 1
3
5V
OCRF
25
24
18
13
14
15
16
17
4
12
2
PMM530
P.GND
GND
R3
Stepping motor
GND
P.GND
Excitation mode set
Pin No.
Terminal symbol
6 EB
Input level
H
L
Motor operation
Full step
Half step
When VCC is not stable, such as immediately after the power is on, normal initial reset can not always be
performed. In order to perform firm reset, hold R terminal (13pin) at the "L" level until Vcc becomes
stable.
Vcc (24pin)
4V
R (13pin)
1.5V or lower
OV
Refer to Page 343 for the specifications of power hybrid IC:PMM530 .
Refer to Operation Manual of PMM8714PT for other applications.
341


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