Performance Motion Devices Juno® Velocity & Torque Control ICs
Performance Motion Devices Juno® Velocity and Torque Control ICs provide advanced control for brushless DC, DC brush motors, and step motors. These compact ICs integrate full four-quadrant motion control, direct input quadrature encoder, profile generation, and advanced current control. Performance Motion Devices Juno ICs are targeted for medical, scientific, industrial, and robotic applications that need to minimize motor noise, vibration, and power consumption. Juno ICs are easy to deploy with embedded motion commands, onboard intelligence, and direct analog and digital amplifier signal interfacing.
Juno ICs interface to external bridge-type switching amplifiers and utilize Performance Motion Device’s proprietary current and switch-signal technology for ultra-smooth operation. Depending on the type of motor controlled, Juno ICs provide motor commutation, microstep generation, pulse and direction input, internal profile generation, and much more.
Juno ICs have advanced amplifier management features such as overcurrent, over/undervoltage, and overtemperature sense. A special outer control loop allows many motor-related control applications, including pressure, flow rate, and temperature control. These devices are offered in compact 64-pin TQFP and ultra-compact 56-pin VQFN packages.
Features
- Controls 3-phase DC brush, brushless DC, or step motors
- High-performance digital current loop
- Velocity loop with encoder or tachometer feedback
- Internal profile generator
- Sinusoidal or 6-step commutation
- Field-oriented control (FOC)
- Hall sensor inputs
- PWM output with shoot-through protection
- Direct analog signal input
- Up to 460kBaud serial port
- Up to 40M counts/sec quadrature encoder input
- NVRAM configuration load and trace memory
- Compact 64-pin TQFP and ultra-compact 56-pin VQFN packages
- High-speed index input and capture
- SPI command input
- Brake signal input
- 10kHz velocity loop
- 20kHz, 40kHz, 80kHz, 120kHz
- PWM rate
- 20kHz or 40kHz commutation and current loop rate
- i2t current foldback protection
- Over and under-voltage protection
- Pulse and direction input
Applications
- Medical and scientific applications
- Industrial automation
- Robotics
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Velocity Control Overview
Torque Control Overview
Step Motor Control Overview
