ACT5026 10 AMP 3-PHASE
BRUSHLESS DC MOTOR CONTROLLER
Features
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Preliminary
CIRCUIT TECHNOLOGY
www.aeroflex.com
V Supply 28V to 40V
10 Amps Continuous Current (Up to 85
擄
C)
Package Size 1.7" x 1.3" x 0.275"
4 Quadrant Control
3 Phase Commutational Logic
鹵15VDC Regulators for External & Internal Use
Military Processing Available
MIL-PRF-38534 Compliant Circuits Available
Full Military (-55擄C to +125擄C) Temperature Range
General Description
The ACT5026 combines a high power MOSFET 3 phase H-bridge output stage with all of the control circuitry
required to form a closed loop motor controller. The input command voltage linearly controls the motor
current with a scale-factor of 2 Amps per volt and a small-signal bandwidth of 2KHz. Input command
polarity determines Motor direction. Only one supply is necessary due to the internal regulators and
converter which provide
鹵15
Volts for internal as well as external use.
The circuitry includes:
鈥?/div>
Fully Differential Input Amplifier
鈥?/div>
A Pulse Width Modulator Internally clocked at 16.7KHz (Has external Sync pin)
鈥?/div>
鹵 15 Volt regulated outputs derived from main supply
鈥?/div>
Internal Current Sense Resistor
鈥?/div>
External Loop Compensation pins to tailor to specific motors
鈥?/div>
Current Monitor Output with Scale Factor of 1.67 Volts/Amp
16.7 KHz
Clock
(Optional)
SYNC
Cktry
BLOCK DIAGRAM
OSC
V Supply
Hall
Inputs
PWM
PWM
Input
External
Loop
Comp
Current +
Command
Inputs
-
Logic
3脴
MOSFET
H-Bridge
Brushless
Motor
Internal use
+15V
Reg
Direction
FW
Rect
DC/DC
Conv
+15V
鈮?/div>
70mA
Internal use
Current
Monitor
FW
Rect
Current
Sense
-15V
Reg
-15V
鈮?/div>
20mA
V RTN
eroflex Circuit T
echnology
鈥?Motor Driver Modules For The Future 漏 SCD5026 REV A 8/21/98
ACT5026相關(guān)型號PDF文件下載
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