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PW-84075P6 Datasheet

  • PW-84075P6

  • Industrial Control IC

  • 199.96KB

  • 13頁(yè)

  • ETC

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75A, 600V MAGNUM MOTOR DRIVES
FEATURES
鈥?600 Vdc Drive for 270 Vdc Motors
鈥?75 Amps @25擄C, 50 Amps @85擄C
鈥?Operates with Brushless, Brush and
Induction Motors
鈥?Input to Output Ground Isolation with
Floating Output Stage
鈥?Short Circuit Protection
SLEEP MODE
POWER
SUPPLY
VCC
VCC RTN
UPPER
I
S
O
L
A
T
I
O
N
B
A
R
R
I
E
R
POWER
SUPPLY
VBUS+
HIGH
DRIVE
SC FAULT
DISABLE/RESET
AUTO RESET
LOWER
GATE
DRIVE
AND
FAULT
CONTROL
OUTPUT
LOW
DRIVE
VBUS-
FIGURE 1A. PW-83075P6 BLOCK DIAGRAM
鈥?Trapezoidal or Sinusoidal Compatible
鈥?DSP/Microprocessor Compatible
鈥?PW-83075P6 - Half-Bridge Drive
鈥?PW-84075P6 - Half-Bridge Drive with Current
Sense
鈥?PW-85075P6 - Half-Bridge Drive with
Regenerative Clamp
SLEEP MODE
POWER
SUPPLY
I
S
O
L
A
T
I
O
N
B
A
R
R
I
E
R
LOW
DRIVE
POWER
SUPPLY
VCC
VCC RTN
VBUS+
HIGH
DRIVE
UPPER
SC FAULT
DISABLE/RESET
AUTO RESET
LOWER
VDD
VDD RTN
I_VOUT
OC FAULT
VREF
I_ABSVAL
GATE
DRIVE
AND
FAULT
CONTROL
OUTPUT
VBUS-
RSENSE+
CURRENT
AMP
CURRENT
AMP
R
SENSE
DESCRIPTION
The PW-83075P6, PW-84075P6 and PW-85075P6 are half-
bridge drive modules which contain isolated switch drivers, a
pair of solid state switches, an isolated power supply, current
sensing feedback (PW-84075P6 only) and a regenerative clamp
protection circuit (PW-85075P6 only). The three modules can
be used, in any combination, to create drives for brush, brush-
less DC motors or AC induction motors. The logic inputs and
current sense signal are compatible with DSP/microprocessors
and/or FPGA/ASIC circuits used to control the motor drives.
These modular drives are capable of operating from either
鹵135Vdc or 270Vdc power source that is totally isolated from
the logic input signals. The modules are fault tolerant from out-
put shorts, loss of any or all power supplies and power supply
sequencing.
APPLICATIONS
The high reliability and flexibility of these drives make them suit-
able for Military and Aerospace applications. Among the many
applications are: actuator systems for primary and secondary
flight controls on aircraft; fan and compressor motor drives for
environmental conditioning; pump motors for fuel and hydraulic
fluid; antenna and radar positioning; and thrust vector position
control of missiles, drones, and RPV鈥檚.
1
June 13, 2000 Data Device Corporation
RSENSE-
FIGURE 1B. PW-84075P6 BLOCK DIAGRAM
REGEN STATUS
VBUS+
OV ADJ
REGEN BUS-
SLEEP MODE
POWER
SUPPLY
POWER
SUPPLY
OV
AMP
REGEN
LOW
VCC
VCC RTN
UPPER
SC FAULT
I
S
O
L
A
T
I
O
N
B
A
R
R
I
E
R
REGEN
BUS-
VBUS+
HIGH
DRIVE
DISABLE/RESET
AUTO RESET
LOWER
GATE
DRIVE
AND
FAULT
CONTROL
OUTPUT
LOW
DRIVE
VBUS-
FIGURE 1C. PW-85075P6 BLOCK DIAGRAM

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