DESCRIPTION

· The Juno Family of ICs offers advanced velocity and torque control for Brushless DC, DC Brush, and step motors.

· These ICs feature full four quadrant motion control, direct input quadrature encoder, profile generation, and advanced current control.

· Designed for medical, scientific, industrial, and robotic applications, they minimize motor noise, vibration, and power consumption.

· Juno ICs are easy to deploy with embedded motion commands, on-board intelligence, and direct analog and digital amplifier signal interfacing.

FEATURES

· Sophisticated velocity and torque control for 3-phase DC Brush and Brushless DC motors.

· Ultra precise torque control with direct analog or SPI command input.

· State of the art step motor control with pulse and direction or SPI command input.

· High performance digital current loop and velocity loop with encoder or tachometer feedback.

· Internal profile generator, sinusoidal or 6-step commutation, and field oriented control.

· Hall sensor inputs, PWM output with shoot-through protection, and direct analog signal input.

· Serial port up to 460 kBaud, quadrature encoder input up to 40 Mcounts/sec, and 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, and brake signal input.

· 10 kHz velocity loop, 20, 40, 80, 120 kHz PWM rate, and 20 or 40 kHz commutation and current loop rate.

· i2t current foldback protection, over and under-voltage protection, and pulse and direction input.

APPLICATIONS

· Medical devices requiring precise motor control.

· Scientific instruments needing minimized noise and vibration.

· Industrial machinery with advanced motion control requirements.

· Robotic systems requiring high precision and efficiency.