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PWR-82520-220L

Description
Micro Peripheral IC
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size175KB,12 Pages
ManufacturerData Device Corporation
Download Datasheet Parametric View All

PWR-82520-220L Overview

Micro Peripheral IC

PWR-82520-220L Parametric

Parameter NameAttribute value
MakerData Device Corporation
package instruction,
Reach Compliance Codecompliant
PWR-82520
3-PHASE DC MOTOR TORQUE
CONTROLLER
DESCRIPTION
The PWR-82520 is a high-perfor-
mance current-regulating torque loop
controller. It is designed to accurate-
ly regulate the current in the windings
of 3-phase brushless DC and brush
DC motors.
The PWR-82520 is a completely self-
contained motor controller that con-
verts the analog input command sig-
nal 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. This signal is
summed together with the command
signal to produce an error signal that
controls the pulse width modulation
(PWM) duty cycle of the output, thus
controlling the motor current. The
PWR-82520 can be tuned by using
an external Proportional-Integral (PI)
regulator network in conjunction with
the internal error amplifier.
FEATURES
100V Rating for 28V Motors
10 Amp Continuous Output Current
Complementary Four-Quadrant
Operation
3% Linearity Accuracy
5% Current Regulating Accuracy
User-Programmable Compensation
10 kHz - 50 kHz PWM Frequency
Operates as Current or Voltage
Controller
Self-Contained 3-Phase Motor
Controller
Built-in Current Limit
APPLICATIONS
Packaged in a small DIP-style hybrid,
the PWR-82520 are ideal for applica-
tions with limited printed circuit board
area.
The PWR-82520 is ideal for applica-
tion requiring current regulation
and/or holding torque at zero input
command.
System applications
include flight surface control on air-
craft for horizontal stabilizers and
flaps, missile fin control, fuel and
hydraulic pumps, radar and counter-
measures systems.
5.0V
10K 10K 10K
HALL A
HALL B
HALL C
+15V HALL SUPPLY OUTPUT
HALL SUPPLY GND
COMMAND OUT
COMMAND IN +
COMMAND IN -
39
38
37
40
41
33
10K
31
30
10K
10K
10K
COMMAND GND
29
-
+
HA
HB
HC
+15V
VBUS+
4,5,6
100
COMMAND
BUFFER
5.0V
DRIVE
A
PHASE A
PHASE A
14,15,16
COMMUTATION
LOGIC
CASE GND
ENABLE
+15V SUPPLY
GROUND
-15V SUPPLY
PWM IN
17
36
28
27
26
19
20
22
21
32
34
CASE
10K
PWM
LOGIC
CIRCUITRY
V
DD
DRIVE
B
PHASE B
PHASE B
7,8,9
+
+
V
EE
DRIVE
C
PHASE C
PHASE C
1,2,3
PWM OUT
SYNC IN
100
PWM GND
ERROR AMP OUT
ERROR AMP IN
CURRENT
MONITOR OUT
-
+
100
ERROR
AMPLIFIER
-
+
IS+
10
CURRENT
AMP
Rsense
VBUS–
11,12,13
35
90.9
FIGURE 1. PWR-82520 BLOCK DIAGRAM
©
1994, 1999 Data Device Corporation
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