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參數(shù)資料
| 型號： | PW-82520R3-131Z |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 3 A, DMA41 |
| 封裝： | DIP-41 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 219K |
| 代理商： | PW-82520R3-131Z |
11
Data Device Corporation
www.ddc-web.com
PW-82520R
F-03/06-0
SINGLE EVENT UPSET
The hybrid shall be Single Event Upset (SEU) immune and still
meet the requirements of TABLE 2 for a Linear Energy Transfer
(LET) level > 100 MeV/mg/cm2.
LATCH-UP
The hybrid is latch-up immune and meets the requirement of
TABLE 2 for a LET (Linear Energy Threshold) level > 100
MeV/mg/cm2.
NOTE: 100KRad (Si) total dose of radiation is usually two to
three times the operational level of commercial and military satel-
lites. This is a large cost saving for the end users since Lot
Acceptance Tests (LAT) are usually not required.
BRUSH MOTOR OPERATION
The PW-82520R can also be used as a brush motor controller
for current or voltage control in an H-Bridge configuration. The
PW-82520R would be connected as shown in FIGURE 10.
All other connections are as shown in either FIGURES 6 or 7
depending on voltage or current mode operation. The Hall inputs
are wired per TABLE 4. A positive input command will result in
positive current to the motor out of Phase A.
OPTIONAL FEATURES
EXTERNAL SENSING RESISTOR
An external sense resistor can be connected to replace the inter-
nal resistor if this option is required. Please contact factory for
this option.
Rs +
Rs + is the high side of the sense resistor used for non-scaled
test purposes only. Accuracy is not a guaranteed parameter.
OUTPUT CURRENT
Output current derating as a function of the hybrid case temper-
ature is provided in FIGURES 11 and 12. The hybrid contains
internal pulse by pulse current limit circuitry to limit the output
current during fault conditions. (See TABLE 2) Current Limit
accuracy is +10/-15%.
THERMAL OPERATION
It is necessary that the bottom surface (heat sink surface - FIG-
URES 13 and 14) of the PW-82520R be mounted to a heat sink.
This heat sink shall have the capacity to dissipate heat generat-
ed by the hybrid at all levels of current output, up to the peak
limit, while maintaining the case temperature limit as per FIG-
URE 11.
RADIATION
TOTAL DOSE
The hybrid shall operate, as specified in TABLE 2, when subject-
ed to a total dose radiation environment of 100KRad (Si) at a
dose rate of 0.5 Rad/sec.
WARNING! The PW-82520R does not have short circuit pro-
tection. The PW-82520R must see a minimum of 100H
inductive load phase-to-phase or enough phase-to-phase
line-to-line resistance to limit the continuous output current to
less than IOC at all times. Operation into a short or a condition
that requires excessive output current will damage the hybrid.
TABLE 3. COMMUTATION TRUTH TABLE
INPUTS
OUTPUTS
ENABLE
COMMAND IN
HALL
B
C
A
L
POS
1
0
1
L
H
Z
L
POS
1
0
L
Z
H
L
POS
1
0
Z
L
H
L
POS
0
1
0
H
L
Z
L
POS
0
1
H
Z
L
POS
0
1
Z
H
L
NEG
0
1
Z
L
H
L
NEG
0
1
L
Z
H
L
NEG
0
1
0
L
H
Z
L
NEG
1
0
Z
H
L
NEG
1
0
H
Z
L
NEG
1
0
1
H
L
Z
H
-
Z
1=Logic Voltage >2.4Vdc, 0=Logic Voltage < 0.8Vdc
* DIRECTION is based on the convention shown in FIGURE 4.
Actual motor set up might be different.
TABLE 4. HALL INPUTS FOR
H-BRIDGE CONTROLLER
INPUTS
OUTPUTS
ENABLE
COMMAND IN
HA
HB
HC
PH B
PH C
PH A
L
Positive
1
0
Z
L
H
L
Negative
1
0
Z
H
L
H
-
1
0
Z
FIGURE 10. BRUSH MOTOR HOOK-UP
PHASE A
PHASE
C
VBUS-
PHASE B
VBUS+ B
PHASE C
HALL C
HALL B
HALL A
C1
GND
+28V
+
+5V
VBUS+ C
VBUS+ A
{
A
B
C
PHASE
DIR
CW
CCW
-
POLARITY
DIR
OUT
L
H
X
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