Datasheet > PW-82520N3-340

PW-82520N3-340

更新时间： 2024-11-27 23:30:07

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Industrial Control IC

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PW-82520N3-340 数据手册

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PW-82520/21N

3-PHASE DC MOTOR

TORQUE CONTROLLER

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

DESCRIPTION

• Cycle-by-Cycle Current Limit

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.

• Optional Radiation Tolerance to

100Krads (see PW-82520R data

sheet)

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.

FOR MORE INFORMATION CONTACT:

Technical Support:

1-800-DDC-5757 ext. 7677 or 7381

Data Device Corporation

105 Wilbur Place

Bohemia, New York 11716

631-567-5600 Fax: 631-567-7358

www.ddc-web.com

2001 Data Device Corporation

12 3 4 5 6 7...16

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