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Name: OPA544F/500
Brand: Texas Instruments
SKU: OPA544F/500
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments OPA544F/500

Part No.:: OPA544F/500

Manufacturer:: Texas Instruments

Package:: TO-263-6, D²Pak (5 Leads + Tab), TO-263BA

Datasheet:: OPA544F/500.pdf

Description:: IC POWER 1 CIRCUIT DDPAK/TO263-5

In Stock:: 1359

Quantity:: Add To Cart

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OPA544F/500 Specifications

Package/Case:
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
AmplifierType:
Power
NumberofCircuits:
1
OutputType:
-
SlewRate:
8V/µs
GainBandwidthProduct:
1.4 MHz
-3dbBandwidth:
-
Current-InputBias:
15 pA
Voltage-InputOffset:
1 mV
Current-Supply:
12mA
Current-Output/Channel:
2 A
Voltage-SupplySpan(Min):
20 V
Voltage-SupplySpan(Max):
70 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

OPA544F/500 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA544F/500 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for OPA544F/500 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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OPA544F/500 information

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OPA544F/500 Typical application Circuitry

OPA544F 500

The OPA544F/500 is a high-voltage, high-current operational amplifier (op-amp) designed for driving a wide range of loads, including motors, actuators, and transducers. It's capable of delivering up to 2A of continuous output current and operates across a wide supply voltage range, up to ±35V.

Key Features and Specifications

- High Current Output: Capable of delivering up to 2A of continuous output current, suitable for driving heavy loads.

- Wide Supply Voltage Range: Operates with supply voltages up to ±35V, offering flexibility for various application requirements.

- Thermal Shutdown Protection: Incorporates thermal shutdown protection to enhance reliability and protect against overheating.

- Adjustable Current Limiting: Features an adjustable current limit function, allowing for controlled output current to prevent damage to the load or the op-amp itself.

- Power Amplifier Functionality: Combines the precision of an operational amplifier with the power capability of a power amplifier.

Application Scenario: Driving a Piezoelectric Actuator

A practical application for the OPA544F/500 is driving a piezoelectric actuator, which requires precise control of high-voltage signals to modulate the actuator's position or force output.

Circuit Connection Detail

- Actuator Connection: Connect the piezoelectric actuator to the output (Pin 8) of the OPA544F/500. This configuration directly drives the actuator with the amplified signal.

- Power Supply Connections: Apply a positive supply voltage (up to +35V) to the V+ pin (Pin 7) and a negative supply voltage (down to -35V) to the V- pin (Pin 4). The wide voltage range of the OPA544F/500 accommodates the high-voltage requirements of piezoelectric actuators.

- Input Signal for Actuator Control: Feed the control voltage signal into the non-inverting input (Pin 3). This control signal determines the actuator's response, leveraging the high-voltage operation and precision of the OPA544F/500.

- Current Limit Setting for Protection: Utilize a resistor (Rset) between the limit pins (Pins 2 and 6) to set the maximum output current, protecting the actuator from overcurrent conditions. Adjustable current limiting is a key feature for safeguarding the actuator.

- Feedback for Precision Control: If necessary, a feedback loop can be established from the output (Pin 8) to the inverting input (Pin 2) through a resistor network to set the gain and ensure stability. Feedback enhances accuracy in the control of the piezoelectric actuator.

Design Considerations

When designing a circuit with the OPA544F/500 to drive a piezoelectric actuator, several important factors must be carefully considered:

- Heat Dissipation: The OPA544F/500 can generate significant heat at high output currents. Effective thermal management, such as heat sinks, is crucial to prevent thermal shutdown and maintain reliable operation.

- Power Supply Stability: A stable and low-noise power supply is essential, especially for precise actuator control. High-quality power supplies and decoupling capacitors near the power pins are recommended to minimize supply noise.

- Protection Mechanisms: Implementing additional protection mechanisms, such as diodes to protect against voltage spikes and careful current limit setting, can enhance circuit reliability.

- Load Characteristics: Understanding the electrical characteristics of the piezoelectric actuator, including capacitance and impedance, is vital for optimizing the drive circuit and ensuring stable operation.

Utilizing the OPA544F/500 in a piezoelectric actuator drive circuit takes advantage of its high current output, wide supply voltage range, and adjustable current limiting features. These capabilities make the OPA544F/500 an ideal choice for applications requiring precise control over high-power loads. Attention to design details such as thermal management, power supply stability, protection mechanisms, and load characteristics ensures optimal performance and reliability of the system.

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6. What is the process for return or replacement of OPA544F/500?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of OPA544F/500.

(3)The PartNo is unused and only in the original unpacked packaging.

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