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參數資料
| 型號： | PWR-82520R1-30O |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, DMA41 |
| 封裝： | DIP-41 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 163K |
| 代理商： | PWR-82520R1-30O |
1
December 6, 1999 Data Device Corporation
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FEATURES
Self-Contained 3-Phase Motor
Controller
Operates as Current or Voltage
Controller
1, 3 and 10 Amp Output Current
3% Linearity Accuracy
5% 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
DRIVE
A
DRIVE
B
DRIVE
CURRENT
C
PHASE A
PHASE B
PHASE C
VBUS+ A
PWM
LOGIC
CIRCUITRY
COMMUTATION
LOGIC
HA
HB
HC
5.0V
10K 10K 10K
VBUS–
Rsense
PWM IN
+
10.0K
5.0V
ERROR
AMPLIFIER
100
-
+
-
+
AMP
COMMAND
BUFFER
100
50K
HALL A
COMMAND OUT
COMMAND IN +
COMMAND IN -
ENABLE
VDD
SUPPLY GND
VEE
PWM OUT
COMMAND GND
VCC
+5V
ERROR AMP OUT
ERROR AMP IN
CURRENT
MONITOR OUT
RS+
HALL B
HALL C
CASE GND
+15V
SYNC IN
VDR
TACH OUT
DIR OUT
CASE
TACH
CIRCUIT
VBUS+ C
VBUS+ B
VCC RTN
+5V RTN
FIGURE 1. PWR-82520X BLOCK DIAGRAM
DESCRIPTION
The PWR-82520X is a high perfor-
mance current regulating torque
loop controller.
It is designed to
accurately regulate the current in
the motor windings of 3-phase
brushless
DC
and
brush
DC
motors.
The PWR-82520X 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 cur-
rent in the motor windings.
The
motor current is internally sensed
and processed into an analog sig-
nal. The current signal is summed
together with the command signal
to produce an error signal that con-
trols the pulse width modulation
(PWM) duty cycle of the output,
thus controlling the motor current.
The PWR-82520X can be tuned by
using an external Proportional/
Integral (PI) regulator network in
conjunction with the internal error
amplifier.
APPLICATIONS
Packaged in either a small DIP-
style or flat-pack hybrid package,
the PWR-82520X is ideal for appli-
cations with limited printed circuit
board area.
PWR-82520X is ideal for applica-
tions requiring current regulation
and/or holding torque at zero input
command.
System applications
that can be use the PWR-82520X
are: pumps, actuators, antenna
position, environmental control and
reaction/momentum wheel systems
using brushless and brush motors.
PRELIMINARY
PWR-82520X
3-PHASE DC MOTOR TORQUE CONTROLLER
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