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參數(shù)資料
| 型號： | PWR-82520-800 |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 15 A, DIP41 |
| 封裝： | DIP-41 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 174K |
| 代理商： | PWR-82520-800 |
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.
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.
3-PHASE DC MOTOR TORQUE
CONTROLLER
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
FIGURE 1. PWR-82520 BLOCK DIAGRAM
PWR-82520
DRIVE
A
DRIVE
B
DRIVE
CURRENT
C
PHASE A
14,15,16
PHASE A
PHASE B
7,8,9
PHASE B
PHASE C
1,2,3
PHASE C
VBUS+
4,5,6
PWM
LOGIC
CIRCUITRY
COMMUTATION
LOGIC
HA
HB
HC
5.0V
10K 10K 10K
VBUS–
11,12,13
Rsense
PWM IN
VDD
+
10K
5.0V
ERROR
AMPLIFIER
100
-
+
-
+
AMP
COMMAND
BUFFER
100
10K
HALL A
COMMAND OUT
COMMAND IN +
COMMAND IN -
+15V
+15V HALL SUPPLY OUTPUT
SUPPLY GND
ENABLE
+15V SUPPLY
GROUND
-15V SUPPLY
PWM OUT
PWM GND
39
COMMAND GND
37
36
38
35
34
33
32
31
30
29
28
27
26
21
19
17
40
41
20
CASE GND
CASE
ERROR AMP OUT
ERROR AMP IN
CURRENT
MONITOR OUT
100
22
SYNC IN
VEE
IS+
10
HALL B
HALL C
HALL
90.9
1994, 1999 Data Device Corporation
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