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| 型號： | PW-82520R0-250 |
| 英文描述： | Industrial Control IC |
| 中文描述： | 工業(yè)控制IC |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 191K |
| 代理商： | PW-82520R0-250 |
TM
Data Device Corporation
105 Wilbur Place
Bohemia, New York 11716
631-567-5600 Fax: 631-567-7358
www.ddc-web.com
FOR MORE INFORMATION CONTACT:
Technical Support:
1-800-DDC-5757 ext. 7677 or 7381
FEATURES
Self-Contained 3-Phase Motor
Controller
Operates as Current or Voltage
Controller
1, 3 or 10 Amp Output Current
1.5% Linearity
3% Current Regulating Accuracy
User-Programmable Compensation
10 KHz - 100 KHz PWM Frequency
Complementary Four-Quadrant
Operation
Holding Torque through Zero
Current
Cycle-by-Cycle Current Limit
Optional Radiation Tolerance to
100Krads (see PW-82520R data
sheet)
PW-82520/21N
3-PHASE DC MOTOR
TORQUE CONTROLLER
DESCRIPTION
The PW-82520N (100Vdc) and PW-82521N (200Vdc) are high per-
formance current regulating torque loop controllers designed to accu-
rately regulate the current in the motor windings of 3-phase brushless
DC and brush DC motors.
The PW-82520/21N is a completely self-contained motor controller
that converts an analog input command signal into motor current and
uses the signals from Hall-effect sensors in the motor to commutate
the current in the motor windings. The motor current is internally
sensed and processed into an analog signal. The current signal is
summed together with the command signal to produce an error sig-
nal that controls the pulse width modulation (PWM) duty cycle of the
output, thus controlling the motor current. The PW-82520/21N per-
formance can be tuned by utilizing the internal error amplifier and the
external Proportional/Integral (PI) regulator network components to
match motor characteristics.
APPLICATIONS
The PW-82520/21N is ideal for applications requiring current regula-
tion and/or holding torque at zero input command. System applica-
tions include: pumps, actuators, antenna position, environmental con-
trol, reaction/momentum wheel systems using brushless and brush
motors, flight surface control on aircrafts for horizontal stabilizers and
flaps, missile fin control, fuel and Hydraulic pumps, radar, and counter
measure systems.
Packaged in a small DIP-style hybrid package, the PW-82520/21N is
well suited for applications with limited printed circuit board area.
2001 Data Device Corporation
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