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    Amplifiers and comparators

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    ST's product portfolio includesoperational amplifiers andcomparators dedicated to the challenging industrial, automotive and consumer markets.

    The main features of our growing portfolio arelow power,high precision andtiny packages.
    The range of products allows easy and fast integration of analog products inside signal conditioning, monitoring and control solutions.

    Explore our most commonly used amplifiers. Download our quick reference guide.

    Download the Op Amps quick reference guide

    Discover and test high-performance
    op amps by using this Sample Kit
    Current Sensing
    Quick Reference Guide
    Fast and powerful electrical simulation software for SMPS and analog ICs
    Part number
    Description
    Supplier
    Licence type
    Supported Devices

    eDesignSuite

    eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

    Power Management Design Center

    Thermal-electrical Simulators for Components

    Signal Conditioning Design Tool

    NFC/RFID Calculators

    Choose design tool:
    Power Management Design Center

    Power Supply Design Tool

    SMPS design, by topology, by type and by product
    PFC design with analog and digitial control
    Supports various PCB configurations
    Choose type:
    DC/DC
    AC/DC
    Solar Battery Charger
    Power Management Design Center

    LED Lighting Design Tool

    Handles AC-DC and DC-DC design in common topologies
    Displays interactive and annotated schematic
    Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
    Choose type:
    DC/DC
    AC/DC
    Power Management Design Center

    Digital Power Workbench

    Provides a step-by-step optimized design of power section and control loop
    Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
    Power Management Design Center

    Power Tree Designer

    Specify input/output power for each node in the tree
    Check for consistency
    Design each individual node
    Choose design tool:
    Thermal-electrical Simulators for Components

    AC Switches Simulator

    Select ratings and application waveforms
    Get junction temperature and blocking voltage graphs
    Search and sort suitable devices
    Thermal-electrical Simulators for Components

    Rectifier Diodes Simulator

    Select ratings and application waveforms
    Estimate power losses
    Search and sort suitable devices
    Thermal-electrical Simulators for Components

    STPOWER Studio

    Supports long mission profiles
    Provides power loss and temperature graphs
    Helps define heatsink thermal properties
    Thermal-electrical Simulators for Components

    Twister Sim

    Help select the right ViPOWER Automotive power device
    Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
    Supports various PCB configurations
    Thermal-electrical Simulators for Components

    TVS Simulator

    Specify system ratings and surge waveform
    Search and sort suitable devices
    Thermal-electrical Simulators for Components

    Estimate

    Build simple schematics and firmware inputs in minutes
    Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
    Thermal-electrical Simulators for Components

    PCB Thermal Simulator

    Thermal analysis of a PCB from Gerber files.
    Possibility to add heat sources, heat sinks, copper areas and thermal paths.
    Powerful server-side engine for rendering and simulation.
    Thermal results shown graphically via 2D table.
    Choose design tool:
    Signal Conditioning Design Tool

    Active Filters

    Handles multi-stage-designs and common topologies
    Returns circuit component values
    Provides gain, phase and group delay graphs
    Low Pass, High Pass and Band Pass
    Signal Conditioning Design Tool

    Comparators

    Handles most common configurations
    Returns circuit components values
    Provides I/O signal waveforms
    Inverting, Non Inverting, Window
    Signal Conditioning Design Tool

    Low side Current Sensing

    Returns circuit component values
    Provides current error graphs
    Signal Conditioning Design Tool

    High side Current Sensing

    Provides current error graphs.
    Help to select the right High side current sensing and shunt devices.
    Choose design tool:
    NFC/RFID Calculators

    NFC Inductance

    Input geometry and substrate properties
    Get antenna impedance
    NFC/RFID Calculators

    UHF Link Budget

    Enter forward and reverse link characteristics
    The tool returns link budget estimate
    NFC/RFID Calculators

    NFC Tuning Circuit

    Enter antenna parameter and matching target
    Select the topology of the matching network
    The tool returns component values for the desired design targets

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