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Isolated Voltage Driver with Digital Control

ESTAT Isolated Voltage Drivers with Digital Control are efficient and highly-tunable robotic controllers that act as universal drivers to power any ESTAT product.

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Description

Overview

A compact, efficient, and highly tunable electronic controller. The Isolated Voltage Driver with Digital Control interfaces with the user’s control circuit and powers any ESTAT clutch product.

Unlike most actuation hardware, ESTAT’s electrostatic clutches operate over a range of  forces or torques. In fact, all the user needs to do is change the voltage. Higher voltage yields more force/torque and lower voltage yields less. The Isolated Voltage Driver with Digital Control is the key to fully leverage this powerful feature. A simple PWM input gives the user direct, precise, and continuous control over the output force or torque produced by their ESTAT actuation hardware.

Device Operation

The Voltage Driver input connection has 6 pins, and can be connected with a Molex connector or directly to the 0.1” spaced headers. The GND pins correspond to ground, VIN is the power supply input, driving SLP high disables the driver, ENG engages or disengages the clutch, and PWM sets the output voltage scaling. The 2 pin Molex interfaces with the electroadhesive clutch and outputs voltage between 0-500 V.

Key Features

  • Tunable: With direct control over the PWM input signal, you can dial in the precise force or torque the attached ESTAT device should output.
  • Convenient Control: Designed to interface directly with your control circuit, this Driver is easy to integrate and efficient enough to be powered by a laptop.
  • Versatile: The Isolated Voltage Driver with Digital Control allows for quick and intuitive control of any ESTAT clutch product.
  • Safe: Inherently isolated, this Voltage Driver is our safest design yet. Using this Driver automatically protects you from accidental electrical discharge.
  • Portable: Just 27.2 g (approx. 1 oz.) and compact enough to fit in the palm of your hand. The Isolated Voltage Driver can provide powerful clutch control from anywhere.