Preliminary
PWR-82520/21N
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TM
3-PHASE DC MOTOR
TORQUE CONTROLLER
FEATURES
•
Self-Contained 3-Phase Motor
Controller
•
Operates as Current or Voltage
Controller
•
1, 3 or 10 Amp Output Current
•
1.5% Linearity
•
3% 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 (see PWR-82520R data
sheet)
DESCRIPTION
The PWR-82520N (100Vdc) and PWR-82521N (200Vdc) are high
performance current regulating torque loop controllers designed to
accurately regulate the current in the motor windings of 3-phase
brushless DC and brush DC motors.
Completely self-contained, the motor controller converts an analog
input command signal 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. The current 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-82520/21N can be tuned by using an exter-
nal Proportional/Integral (PI) regulator network in conjunction with the
internal error amplifier.
APPLICATIONS
The PWR-82520/21N is ideal for applications requiring current regu-
lation and/or holding torque at zero input command. System applica-
tions include: pumps, actuators, antenna position, environmental con-
trol, reaction/momentum wheel systems using brushless and brush
motors, flight surface control on aircrafts for horizontal stabilizers and
flaps, missile fin control, fuel and Hydraulic pumps, radar, and counter
measure systems.
Packaged in a small DIP-style hybrid package, the PWR-82520/21N
is well suited for applications with limited printed circuit board area.
FOR MORE INFORMATION CONTACT:
Data Device Corporation
105 Wilbur Place
Bohemia, New York 11716
631-567-5600 Fax: 631-567-7358
www.ddc-web.com
Technical Support:
1-800-DDC-5757 ext. 7677 or 7381
©
2001 Data Device Corporation
TABLE 1. PWR-82520/21N ABSOLUTE MAXIMUM RATINGS (TC = +25°C UNLESS OTHERWISE SPECIFIED)
PARAMETER
BUS VOLTAGE PWR-82520N / (PWR-82521N)
+15V SUPPLY
+5V TO +15V
+5V SUPPLY
-5V TO -15V
VBUS- TO GND
Voltage Differential
CONTINUOUS OUTPUT CURRENT
PWR-82520N1
PWR-82520N3
PWR-82520N10 / PWR-82521N10
PEAK OUTPUT CURRENT (PULSED t = 50µS)
PWR-82520N1
PWR-82520N3
PWR-82520N10 / PWR-82521N10
COMMAND INPUT +
COMMAND INPUT -
LOGIC INPUTS:
ENABLE, SYNC, HA, HB, HC, ERROR AMP, PWM IN
TACH OUT / DIR OUT
TACH OUT / DIR OUT
SYMBOL
VBUS+
V
DR
V
DD
V
CC
V
EE
V
GNDDIF
I
OC
I
OC
I
OC
I
OP
I
OP
I
OP
Command input +
Command input -
VIH
V
OH
I
OL
VALUE
100.0 (200.0)
+17.5
+17.5
+5.5
-17.5
0-V
DD
+1.0
1
3
10
3
8
18
±15.0
±15.0
7.0
40
20
UNITS
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
A
A
A
A
A
A
Vdc
Vdc
Vdc
Vdc
mA
TABLE 2. PWR-82520/21N SPECIFICATIONS
(UNLESS OTHERWISE SPECIFIED, VBUS = 28VDC, V
DR
= +15V, V
CC
= +5V, V
DD
= +5V, V
EE
= -5V, TC = 25°C, LL = 500 µH)
PARAMETER
OUTPUT (PWR-82520N1)
Output Current Continuous
Output Current Pulsed
Current Limit
Current Offset
Output On-Resistance
Output Conductor Resistance
Diode Forward Voltage Drop
OUTPUT (PWR-82520N3)
Output Current Continuous
Output Current Pulsed
Current Limit
Current Offset
Output On-Resistance
Output Conductor Resistance
Diode Forward Voltage Drop
OUTPUT (PWR-82520N10)
Output Current Continuous
Output Current Pulsed
Current Limit
Current Offset
Output On-Resistance
Output Conductor Resistance
Diode Forward Voltage Drop
OUTPUT PWR-82521N10
Output Current Continuous
Output Current Pulsed
Current Limit
Current Offset
Output On-Resistance
Output Conductor Resistance
Diode Forward Voltage Drop
SYMBOL
I
OC
I
OP
I
CL
I
OFFSET
R
ON
R
C
V
F
I
OC
I
OP
I
CL
I
OFFSET
R
ON
R
C
V
F
I
OC
I
OP
I
CL
I
OFFSET
R
ON
R
C
V
F
I
OC
I
OP
I
CL
I
OFFSET
R
ON
R
C
V
F
TEST CONDITIONS
MIN
TYP
MAX
1
3
1.5
FIGURE 7, V
CMD
= 0V
+25°C
+85°C
+85°C
I
D
= 1A
-20
+20
0.055
0.075
0.080
1.5
3
8
4
FIGURE 7, V
CMD
= 0V
+25°C
+85°C
+85°C
I
D
= 3A
-20
+20
0.055
0.075
0.080
1.8
10
18
15.4
+100
0.055
0.075
0.080
1.9
10
18
19.8
+0.3
0.100
0.140
0.080
1.9
UNITS
A
A
A
mA
Ω
Ω
Ω
V
A
A
A
mA
Ω
Ω
Ω
V
A
A
A
mA
Ω
Ω
Ω
V
A
A
A
A
Ω
Ω
Ω
V
t = 50µsec
t = 50µsec
t = 50µsec
FIGURE 7, V
CMD
= 0V
+25°C
+85°C
+85°C
I
D
= 10A
12.0
-100
14.0
0
t = 50µsec
FIGURE 7, V
CMD
= 0V
+25°C
+85°C
+85°C
D
= 10A
15.3
-0.3
18.0
0
Data Device Corporation
www.ddc-web.com
3
PWR-82520/21N
TABLE 2. PWR-82520/21N SPECIFICATIONS (CONTINUED)
(UNLESS OTHERWISE SPECIFIED, VBUS = 28VDC, V
DR
= +15V, V
CC
= +5V, V
DD
= +5V, V
EE
= -5V, TC = 25°C, LL = 500 µH)
PARAMETER
PROPAGATION DELAY
SYMBOL
Td (on)
Td (off)
SWITCHING CHARACTERISTICS
PWR-82520N1
Upper Drive
Turn-on Rise Time
Turn-off Fall Time
Lower Drive
Turn-on Rise Time
Turn-off Fall Time
PWR-82520N3
Upper Drive
Turn-on Rise Time
Turn-off Fall Time
Lower Drive
Turn-on Rise Time
Turn-off Fall Time
PWR-82520N10
Upper Drive
Turn-on Rise Time
Turn-off Fall Time
Lower Drive
Turn-on Rise Time
Turn-off Fall Time
THERMAL (ALL MODELS)
Junction Temperature
Case Operating Temperature
Case Storage Temperature
THERMAL (PWR-82520N1)
Thermal Resistance
Junction-Case
Case-Air
THERMAL (PWR-82520N3)
Thermal Resistance
Junction-Case
Case-Air
THERMAL (PWR-82520N10/82521N10)
Thermal Resistance
Junction-Case
Case-Air
CURRENT MONITOR AMP
(ALL MODELS)
Current Monitor Offset
Output Current
Output Resistance
CURRENT MONITOR AMP
(PWR-82520N1)
Current Monitor Gain
CURRENT MONITOR AMP
(PWR-82520N3)
Current Monitor Gain
CURRENT MONITOR AMP
(PWR-82520/82521N10)
Current Monitor Gain
TEST CONDITIONS
From 1.5V on ENABLE to
90% of VBUS
From 3.5V on ENABLE to
10% of VBUS
MIN
TYP
40
20
MAX
UNITS
µs
µs
tr
tf
tr
tf
tr
tf
tr
tf
tr
tf
tr
tf
Tj
T
C
T
CS
θj-c
θc-a
θj-c
θc-a
θj-c
θc-a
Rise Time =
90% to 10% of V
BUS
Fall Time =
10% to 90% of V
BUS
I
O
= 10A
Rise Time =
90% to 10% of V
BUS
Fall Time =
10% to 90% of V
BUS
I
O
= 10A
Rise Time =
90% to 10% of V
BUS
Fall Time =
10% to 90% of V
BUS
I
O
= 10A
75
30
50
60
150
150
160
130
200
200
200
200
+150
+125
+150
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
°C
°C
°C
-55
-65
25
10
°C/W
°C/W
9
10
°C/W
°C/W
4
5.5
°C/W
°C/W
Io
C
= 0A
R
OUT
-10
-10
+10
+10
1
mVdc
mA
Ω
4
V/A
1.33
V/A
0.40
V/A
Data Device Corporation
www.ddc-web.com
4
PWR-82520/21N
TABLE 2. PWR-82520/21N SPECIFICATIONS (CONTINUED)
(UNLESS OTHERWISE SPECIFIED, VBUS = 28VDC, V
DR
= +15V, V
CC
= +5V, V
DD
= +5V, V
EE
= -5V, TC = 25°C, LL = 500 µH)
PARAMETER
CURRENT COMMAND
Transconductance Ratio
PWR-82520N1
PWR-82520N3
PWR-82520/82521N10
Non-Linearity
Temperature Coefficient of G
PWR-82520N1/N3
PWR-82520/82521N10
VBUS+ SUPPLY
Nominal Operating Voltage
PWR-82520N1/N3/N10
PWR-82521N10
+15V SUPPLY
Voltage
Current
Current
+5V SUPPLY
Voltage
Current
+5V TO +15V SUPPLY
Voltage
Current
-5V TO -15V SUPPLY
Voltage
Current
SYNC IN
Low
High
Duty Cycle
SYNC range as % of free-run frequency
PWM IN
+Peak
-Peak
Frequency
Linearity Error
Duty Cycle
PWM OUT
Free Run Frequency
PWR-82520N1/N3
PWR-82520/82521N10
HALL SIGNALS
Logic 0
Logic 1
ENABLE
Enabled
Disabled
TACH OUT/ DIR OUT
Current Sink
ISOLATION
Case to Ground
COMMAND IN+/-
Differential Input
Input Offset
Input Offset Drift
COMMAND OUT
Internal Voltage Clamp
Slew Rate
Settling Time
SYMBOL
G
0.24
0.73
2.40
-1.5
0.25
0.75
2.50
0.035
0.04
V
NOM
18
36
V
DR
I
DR
I
DR
V
CC
I
CC
V
DD
I
DD
V
EE
I
EE
SYNC IN
+13.5
ENABLE = low
ENABLE = high
+4.5
28
56
+15.0
11
100
+5.0
13
70
140
+16.5
15
Vdc
Vdc
Vdc
mA
µA
Vdc
mA
Vdc
mA
Vdc
mA
Vdc
Vdc
%
%
V
V
KHz
%
%
0.26
0.76
2.60
+1.5
A/V
A/V
A/V
% FSR
%FSR/°C
%FSR/°C
TEST CONDITIONS
FIGURE 7
MIN
TYP
MAX
UNITS
+5.5
18
+16.5
50
-4.5
50
1.5
+4.5
35
-16.5
40
3.5
50
100
Vp+
Vp-
f
LIN
D CYCLE
f pwm
95
47.5
HA, HB, HC
3.5
ENABLE
3.5
V
OL
Open Collector
@ 1mA
500 Vdc HIPOT
V
CMD
10
-4
2
V
CLAMP
V
O
= 0.2 to 4.5V
-5
3
1.4
+5
+4
800
0.7
1.2
1.5
100
50
105
52.5
1.5
Vcc = 4.5 - 5.5V
2.3
-2.7
10
-2
49
2.5
-2.5
50
120
2.7
-2.3
110
+2
51
KHz
KHz
Vdc
Vdc
Vdc
Vdc
Vdc
MΩ
Vdc
µV
µV/°C
Vdc
V/µs
µs to 0.1%
Data Device Corporation
www.ddc-web.com
5
PWR-82520/21N
Microcontroller MCU
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