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OMC507 데이터시트 PDF




ETC에서 제조한 전자 부품 OMC507은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 OMC507 기능
기능 FULL-FEATURED CIRCUIT BOARD ASSEMBLY FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTORS
제조업체 ETC
로고 ETC 로고


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OMC507 데이터시트, 핀배열, 회로
OMC507
FULL-FEATURED CIRCUIT BOARD ASSEMBLY FOR
DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTO R S
5 Amp. Push-Pull 3-Phase Brushless
DC Motor Controller/Driver Circuit Board
F E AT U R E S
• Fully integrated 3-Phase Brushless DC Motor Control System
• 5A Average Phase Current (10A peak) with 30V Maximum Bus Voltage
• Onboard Current Sense Resistor
• Direction and Torque Control
• Tachometer Output
• Fits Inside Motor Housing
APPLICATIONS
• Fans and Pumps
• Hoists
• Actuator Systems
DESCRIPTION
The OMC507 is a three phase brushless DC Motor Controller Driver. The OMC507 is a 2
quadrant controller and provides control of motor current (torque) in proportion to the input
current command. The versatility of the OMC507 allows the user to either provide an analog
or a TTL PWM current command signal externally, or to set an analog current command
onboard. The OMC507 also allows the user to adjust the current command offset onboard
through the use of a potentiometer. Loop compensation is provided onboard and loop
compensation component values can be modified to meet specific customer requirements,
thereby optimizing the controller for each application.
The OMC507 controller utilizes surface mount and through hole technology. The OMC507
is a mere 2 1/2 inches in diameter and can fit inside the motor housing. A connector for the
control section is optional; consult the factory.
9 04 R0
205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246
Visit Our Web Site at www.omnirel.com




OMC507 pdf, 반도체, 판매, 대치품
ELECTRICAL CHARACTERISTICS (Note 1)
Parameter
Symbol
Power Output Section
Zero Gate Voltage Drain Current Idss
Drain-to-Source On-Resistance Rds(on)
Gate Body Leakage Current
Diode Forward Voltage
Igss
VS D
Diode Reverse Recovery Time
trr
Control Section
Control Supply Current
Control Turn-On Threshold
Icc
Vcc(+)
Conditions (Note 1)
(N-CH) Vds = 60Vdc
Vgs = 0V
(P-CH) Vds = -60Vdc
Vgs = 0V
(N-CH) Id =30 A
Vgs = 10V (Note 2)
(P-CH) Id =-30 A
Vgs = -10V (Note 2)
Vgs = + 20 Vdc
Vds = 0V
(N-CH)IF = 30 A (Note 2)
Vgs = 0V
(P-CH) IF = -30 A
Vgs = 0V
(N-CH)IF =75 A,
di/dt = 100A/usec,
Vgs = 0V
(P-CH) IF = -65 A
di/dt = 100A/usec,
Vgs = 0V
Tc over operating range
Tc over operating range
MIN.
9.45
Reference Section
Output Voltage
Output Current
Vref
Io
Current-Sense Amplifier Section
Peak Current Threshold Voltage Vpk
Over Current Threshold Voltage Voc
Amplifier Voltage Gain
Av
Amplifier Level Shift
-
Logic Input Section
H1, H2, H3 Low Voltage Threshold
H1, H2, H3 High Voltage Threshold
H1, H2, H3 Input Current
Vil
Vih
Iin
Direction Threshold Voltage
Direction Voltage Hysteresis
Direction Input Current
Enable Input Section
Vth
Vh
Iin
4.9
V(pin 12) = 0V, V(pin 13)
Varied to Threshold
V(pin 12) = 0V, V(pin 13)
Varied to Threshold
V(pin 12) = 0.3V, V(pin 13)
= 0.5V to 0.7V
V(pin 12) = V(pin13) = 0.3V
0.14
0.26
1.75
2.4
Tc over operating range
Tc over operating range
Tc over operating range,
V(pin 8, 9 or 10) = 0Vdc
Tc over operating range
0.8
1.6
-400
0.8
-30
Enable Threshold Voltage
Enable Input Current
Vth
Iin
OMC507
TYP.
MAX.
1
-1
0.008
0.020
+ 100
0.9
-1.0
120
Units
µA
µA
Ohms
Ohms
nA
V
V
nSec
120 nSec
100 m A
V
5.0 5.1
V
30 m A
0.20 0.26
0.30 0.36
1.95 2.15
2.5 2.65
V
V
V/V
V
1.0 1.2
1.9 2.0
-250 -120
1.4 2.0
0.6
-1 30
V
V
uA
V
V
uA
2.0 V
100 uA
2.1- 4

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OMC507 전자부품, 판매, 대치품
APPLICATION NOTE
Setup
The OMC507 is a current mode controller providing
control of motor current (torque) in proportion to a
current command; Figure 1 is representative of the
OMC507 configured as a current mode controller.
The OMC507 Motor Controller offers the user
versatility in both system performance and interface.
For example, the typical configuration of the OMC507
requires the user to provide an analog current
command signal (voltage) proportional to the motor
current— a 1 volt command is proportional to 1.2
amperes of motor current; the OMC507 can also be
configured such that the user provides a TTL PWM
input command or the analog current command signal
is set onboard. Consult the factory for details.
Also, the typical configuration of the OMC507 requires
the user to interface to the control and power sections
of the controller via wire solder terminations— the
control section will accommodate #22 AWG wire and
the power section will accommodate #18 AWG wire;
the OMC507 can also be configured to provide the
user with a connector solution for the control section.
Consult the factory for details.
OMC507
Operation
The typical configuration of the OMC507 incorporates
a 0.020 ohm resistor to sense the motor current—
Vsense = Imotor x Rsense. The sense voltage—
current sense signal—is filtered and fed into the
current sense amplifier where the absolute value of
the signal is multiplied by two and biased up by
approximately 2.5 volts (Note: Adjust the offset adjust
potentiometer (RP1) onboard to accommodate the
current sense amplifier offset; the Command input
(location J1-5) must be grounded. Monitor the offset
adjust voltage at location J1-14).
Besides the implementation of the cycle-by-cycle
peak current limit/overcurrent limit protection feature
of the OMC507, the output of the current sense
amplifier is fed into the error amplifier which is
configured as a differential amplifier. An error signal
representing the difference between the current
command input and the value of the amplified current
sense signal is produced; the error signal is then
compared to a pulse width modulated (PWM) ramp.
And since torque is nearly proportional to the average
phase output current, the torque is controlled via duty
cycle control.
2.1- 7

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