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apexmicrotechnology

Power amplifier IC tackles high-density power applications with 200V and 1A continuous current

August 15, 2019 By Aimee Kalnoskas Leave a Comment

The PA164 is a high voltage operational amplifier from Apex Microtechnology and is housed in a QFP style package with a monolithic amplifier core designed for high-density power applications. The PA164 has an output voltage of 200V and provides 1A of continuous current, 4A peak. Separate supplies for the amplifier core and the output stage […]

Filed Under: Power Electronic Tips Tagged With: apexmicrotechnology

FAQ: Piezoelectric motors, Part 2: drive circuits

September 24, 2018 By Bill Schweber Leave a Comment

Unlike better-known electromagnetic motors, the widely used piezoelectric-based motor/actuator provides precise, repeatable linear motion over short distances, and requires a voltage drive rather than a current drive. Part 1 of this FAQ looked at the moving piezoelectric element of the actuator. Part 2 looks at their drive requirements, which are very different than those of […]

Filed Under: FAQ, Featured, Power Electronic Tips Tagged With: analogdevicesinc, ansys, apexmicrotechnology, basics, FAQ, microchiptechnologyin, texasinstrumentsinc

FAQ: Piezoelectric motors, Part 1: actuators

September 22, 2018 By Bill Schweber Leave a Comment

Unlike better-known electromagnetic motors, the widely used piezoelectric-based motor/actuator provides precise, repeatable linear motion over short distances, and requires a voltage drive rather than a current drive. When we think “motor”, we usually think of rotating motion or perhaps a special “linear motor” which is a rotary motor which has been rolled out flat. To […]

Filed Under: FAQ, Featured, Power Electronic Tips Tagged With: analogdevicesinc, ansys, apexmicrotechnology, basics, FAQ, microchiptechnologyinc, texasinstrumentsinc

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