參數(shù)資料
型號(hào)： PW-82351-120
廠商： DATA DEVICE CORP
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, 150 A, XMA
文件頁(yè)數(shù)： 1/16頁(yè)
文件大小： 273K
代理商： PW-82351-120
PW-82351
50 AMP 3-PHASE MOTOR DRIVE
1
1998, 1999 Data Device Corporation
DESCRIPTION
The PW-82351 is a 50 amp, 3-phase
motor drive designed to operate with
270 volt motors for use in servo cur-
rent/torque loop control systems. The
PW-82351 has six logic inputs that con-
trol the high power transistor switches
in the output drive stage. Motor com-
mutation is determined by the switching
sequence of the logic inputs. The out-
put power switches enable the motor to
rotate by connecting the motor to VCC
power and return.
Motor current is
sensed internally and provided as an
isolated scaled output voltage propor-
tional to the motor current for current
loop control.
The PW-82351 has a ground isolation
barrier between the logic input control
stage and output power drive stage.
This isolation barrier provides ground
noise attenuation from output-to-input
and allows the PW-82351 to operate
from unipolar or bipolar power sup-
plies.
The output stage has protection from
short circuit and over voltage (bus
pump-up) conditions. Both protection
features have a status flag that is set
when a fault condition is detected.
The Disable/Enable control input can
be used to shut down the drive stage
when a flag is detected or to ensure
against an uncommanded motion
condition.
DRIVE C
LOW
DRIVE C
HIGH
DRIVE B
LOW
DRIVE B
HIGH
DRIVE A
LOW
DRIVE A
HIGH
ISENSE
RTN
PHASE C OUT
PHASE B OUT
PHASE A OUT
VCC
OVER VOLTAGE
LOW
CURRENT
SENSE
MONITOR
STATUS
FLAGS
OV
CONTROL
STATUS
FLAGS
OUTPUT STAGE
POWER SUPPLY
CONTROL
OUTPUT SWITCH
CONTROL
LOGIC
COMMUTATION
LOGIC
PHASE CURRENT
TRANSLATOR
PHASE CURRENT
MONITOR SELECT
SC FLAG
OV FLAG OUT
UMC
UV FLAG
POWER GND
INPUT SEL
UA / DIR
LA / PWM
UB / BRAKE
LB / IDIR
UC / 2Q-4Q
LC / BRAKE PWM
DISABLE / ENABLE
HA
HB
HC
HALL FLAG
IC OUT
IA OUT
ICOMP / IB OUT
ICONTROL
I
S
O
L
A
T
I
O
N
B
A
R
I
E
R
VLPS
VPS+
VPS-
ANA GND
DIG GND
+5V
+15V
-15V
OV ADJ
33K
+5V
0.001F
1K
33K
+5V
REFER
TO
FIGURE 2
FEATURES
600 Vdc Drive For 270 V Motors
Disable / Enable Control
Internal Commutation Logic
Ground Isolation Input to Output
Floating Output Stage
Motor Current Sense Output
Output Drive Protection For:
Short Circuit
Regeneration
FIGURE 1. PW-82351P6 BLOCK DIAGRAM
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