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SA75B

Product catalog summary

Applications
The SA75B is designed for driving piezoelectric actuators with dynamic operation capabilities, suitable for high capacitance piezo actuators, fast actuation, and forced vibration generation.

Related Products
Compatible with piezo actuators and stages, CTEC Powered 19’’ subrack, UC45 / UC55 Controllers, and SG75 / ECS75 sensors conditioners.

Key Features
The amplifier offers a continuous output current of 10 A, energy recovery, high power density, an output voltage range of [-20 V;150 V], high efficiency, active power factor correction, galvanic isolation, and temperature protection for actuators.

Specifications

General: Functions as a driver for piezoelectric actuators with one channel.
Input: Control input voltage ranges from -1 to +7.5 V with an impedance of 10 kΩ.
Output: Voltage range of -20 to +150 V, continuous peak output current of ±10 A, maximum output load of 400 µF, and output impedance of 100 µH.
Power Amplifier: Efficiency of 94%, switching frequency of 200 kHz, and peak output power of 1500 VA.
Gain: Gain of 20 V/V with a gain error of ±1% and gain linearity error of 0.1%.

Dynamic Performance
Small signal bandwidth of 3800 Hz, power bandwidth as per chart, and maximum current slew rate of 3.3 A/µs.

Accuracy
THD of 0.7% and a signal-to-noise ratio of 60 dB.

Protections
Includes overcurrent, overtemperature, and overvoltage protection for both the amplifier and actuator.

Miscellaneous
Mass of 1.3 kg for one channel, front face dimension of 24F wide and 3U high, compatible with RK84F4U-SC75 rack, forced air cooling, operating temperature range of 0 to +40 °C, and storage temperature range of -10 to +50 °C.

Interfaces
Includes BNC type order input, LEMO EGG 2B 302 CLL piezo actuator output, 15 turns screw potentiometer for DC offset, and selector for control loop servo ON/OFF.

Included Accessories
Shielded 1.5m piezo cable with Lemo connector and 2x banana 4mm plug.

Options
UC55 Controller for position loop, specific length piezo cable on request, and multi outputs LEMO front panel for connecting several actuators in parallel.

Catalog excerpts

copyright © cedrat technologies i 03/2019 www.cedrat-technologies.com | [email protected] CEDRAT ( 7 TECHNOLOGIES X \ Innovation in Mechatronics APPLICATIONS > Piezo drive up to 1 channel > Dynamic operation of high capacitance piezo actuator > Fast actuation > Forced vibration generation KEY FEATURES >10 A continuous output current > Energy recovery > High power density > [-20 V;150 V] output voltage range > High efficiency > Active power factor correction > Galvanic isolation > Temperature protection for actuators RELATED PRODUCT > Piezo actuators and stages > CTEC Powered 19'' subrack > UC45 / UC55 Controllers > SG75 / ECS75 sensors conditioners SPECIFICATIONS SA75B Switching power amplifier for piezo PARAMETER TYPICAL VALUE UNIT CEDRAT TECHNOLOGIES • 59 Chemin du Vieux Chene • Inovallee • 38246 MEYLAN Cedex France • Tel. : +33 (0)4 56 58 04 00

Open the catalog to page 1

copyright © cedrat technologies i 03/2019 www.cedrat-technologies.com | [email protected] CEDRAT ( 7 TECHNOLOGIES X \ Innovation in Mechatronics > Piezo cable Shielded 1.5m - Lemo connector / 2x banana 4mm plug > UC55 Controller for position loop See specific datasheet > Piezo cable Specific length on request > Multi outputs LEMO front panel Allows to connect several actuators in parallel Please contact CTEC for more details CEDRAT TECHNOLOGIES • 59 Chemin du Vieux Chene • Inovallee • 38246 MEYLAN Cedex France • Tel. : +33 (0)4 56 58 04 00

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CEDRAT ( 7 TECHNOLOGIES X \ Innovation in Mechatronics DRAWINGS SA75B CEDRAT TECHNOLOGIES • 59 Chemin du Vieux Chene • Inovallee • 38246 MEYLAN Cedex France • Tel. : +33 (0)4 56 58 04 00

Open the catalog to page 3

SA75B

SA75B

Catalog excerpts

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