Servo Amplifiers

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Violin - Small Servo Amplifiers

The VIOLIN series of miniature servo amplifiers for DC brush motors incorporate custom mixed analog/digital ICs and a hybridized power stage. The basic configuration is a current mode amplifier targeting the OEM market. No trimmers are used in the basic version. The product meets UL508c and the relevant CE regulations.

The power stage is implemented on a single ceramic substrate. This design enables very high thermal conductivity, high current carrying capacity, better EMC and good mechanical strength.

The control section is implemented by dedicated custom ICs which contribute to higher reliability because fewer components are used and improved performance due to the high level of integration.

Features:

• Operation in current mode
• Internal DC to DC converter enables operation from one single supply
• One differential command reference input
• Zero deadband
• Excellent linearity
• External continuous and peak current limit adjustments
• Current feedback multiplier for low current motors
• Remote current gain control
• Enable input
• Motor current monitor
• Status indication by 4 open collector opto couplers
• Latch mode of the protective functions
• Ultra-compact size
• Interface via solder pins
• Package: Plated copper base plate, plastic housing, UL94V0 recognized