CIRCUIT TECHNOLOGY www.aeroflex.com Supply Amps Continuous C

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CIRCUIT TECHNOLOGY www.aeroflex.com Supply Amps Continuous C

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ACT5026 3-PHASE BRUSHLESS MOTOR CONTROLLER
CIRCUIT TECHNOLOGY
www.aeroflex.com
Supply Amps Continuous Current 85°C) Package Size 1.7" 1.3" 0.275" Quadrant Control Phase Commutational Logic ±15VDC Regulators External Internal Military Processing Available MIL-PRF-38534 Compliant Circuits Available Full Military (-55°C +125°C) Temperature Range
General Description
ACT5026 combines high power MOSFET phase H-bridge output stage with control circuitry required form closed loop motor controller. input command voltage linearly controls motor current with scale-factor Amps volt small-signal bandwidth 2KHz. Input command polarity determines Motor direction. Only supply necessary internal regulators converter which provide Volts internal well external use. circuitry includes: Fully Differential Input Amplifier Pulse Width Modulator Internally clocked 16.7KHz (Has external Sync pin) Volt regulated outputs derived from main supply Internal Current Sense Resistor External Loop Compensation pins tailor specific motors Current Monitor Output with Scale Factor 1.67 Volts/Amp 16.7 Clock
(Optional)
SYNC Cktry
BLOCK DIAGRAM
Supply
Hall Inputs
Input External Loop Comp
Logic
MOSFET H-Bridge
Brushless Motor Internal +15V
Direction
Current Command Inputs
Rect DC/DC Conv
+15V 70mA
Internal
Current Monitor
Rect
Current Sense
-15V
-15V 20mA
eroflex Circuit Technology Motor Driver Modules Future SCD5026 8/21/98
CIRCUIT TECHNOLOGY
Package Outline Drawing
2.200 1.950 1.700 .250 ±.010 Holes) .600 ±.020 .275 .045
1.300
5026 88379 MADE U.S.A. XXXX
1.050
1.550 ±.020
.280 .287 ±.010
1.125 Spaces .125)
.125
.155
Pinout Descriptions
Number FUNCTION +15V OUTPUT EXTERNAL EXTERNAL -15V OUTPUT COMMUTATOR INPUT COMMUTATOR INPUT COMMUTATOR INPUT CURRENT MONITOR CURRENT COMMAND CURRENT COMMAND RETURN MOTOR DRIVE OUTPUT MOTOR DRIVE OUTPUT MOTOR DRIVE OUTPUT SUPPLY RETURN SIGNAL RETURN CLOCK LOOP COMPENSATION, ERROR OUTPUT LOOP COMPENSATION, ERROR SUMMING NODE INPUT
Aeroflex Circuit Technology South Service Road Plainview York 11830
Specifications subject change without notice
Aeroflex Circuit Technology
Telephone: (516) 694-6700 FAX: (516) 694-6715 Toll Free Inquiries: 1-(800) 843-1553
SCD5026 8/21/98 Plainview (516) 694-6700

CIRCUIT TECHNOLOGY www.aeroflex.com Supply Amps Continuous C

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