Power op amps

Industry's most diverse portfolio of high-voltage & high-current op amps

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Our wide breadth of power amplifiers enable you to select integrated or discrete solutions for diverse markets such as test and measurement (T&M), power line communication (PLC) and automotive. Our devices are capable of handling high-voltage power supplies of up to 180-V and output currents of up to 10-A delivered in miniature packages with self-protection and diagnostic flags. New process technologies provide improved DC performance, enabling higher system accuracy.

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Select by parametric specification

High voltage (≥45 V)

Capability of up to 180-V power supplies with unity gain stability.

High current (≥200 mA)

Best-in-class output robustness of up to 10-A current delivery.

Small footprint

Thermally-enhanced packages optimized for space-constrained designs and high density boards.

Find a power op amp that best fits your design needs

Why choose TI power op amps?

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Built-in protection and diagnostics features

Diagnostic flags and integrated protection circuits such as thermal shutdown, adjustable current, and current-limiting  ensure safe operation within the tolerable temperature range.

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Application specific integration

Integrated solutions such as ALM2403-Q1 help reduce BOM cost, board space and are optimized for lower distortion, a critical specification for position sensing.

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Small footprint

Thermally-enhanced packages with PowerPADTM integrated circuit packages.

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Optimized for AC performance

Optimized for full-power bandwidth to minimize distortion in position sensing circuits.

Technical resources

Application note
Application note
Applying the ALM2403-Q1 Single-Chip Resolver Solution to Reduce System Costs
This application report describes how to use integrated power amplifiers (ALM2403-Q1 & ALM2402F-Q1) to reduce design complexity, lower system cost, improve reliability and performance for automotive and industrial applications.
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Application note
Application note
Driving Piezoelectric Loads With the OPA462 Precision Amplifier
This application report covers two op amp configurations to drive piezoelectic loads: a single op amp circuit and a bridge-output arrangement circuit.
document-pdfAcrobat PDF
Application note
Application note
Techniques for Extending the Usable Power Supply Range of the OPA462
This application report describes 3 higher voltage amplifier circuits that can accommodate supply voltages as high as ±180 V (360 V) further extending the usable voltage output range of the OPA462 amplifier to ±150 V (300 Vpp).
document-pdfAcrobat PDF

Design & development resources

Simulation tool
PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Evaluation board
Dual operational amplifier with high-current output and slew rate evaluation module
The ALM2403-Q1 is an automotive grade, dual high-voltage, high current operational amplifier (op amp) with protection features from Texas Instruments. This ALM2403Q1EVM evaluation module (EVM) is designed to provide access to the features and measure the performance of the ALM2403-Q1 device.
Evaluation board
OPA462 Evaluation module

The OPA462 evaluation module provides a platform to evaluate the OPA462 high-voltage, high-current operational amplifier. Multiple component footprints allow most common circuit configurations including Howland current pump.