Isolated amplifiers

High-performance isolated amplifiers for high-voltage systems

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Isolated amplifiers are analog output ICs that are capable of withstanding high common-mode voltages. Our portfolio of isolated amplifiers consists of basic and reinforced isolated high-performance amplifiers for current and voltage sensing in high-voltage systems

Featured isolated amplifiers

AMC3311-Q1
Isolated amplifiers

Automotive, 0 to 2-V input, precision reinforced isolated amplifier with integrated DC/DC converter

Approx. price (USD) 1ku | 4.5

Discover featured applications

HEV, EV & powertrain systems
Maximize electric vehicle (EV) and powertrain system performance and reliability, optimize cost, and maintain power efficiency with our high-precision isolated modulators
Motor drives
Maximize motor and power efficiency, optimize system cost, and improve reliability using TI isolated modulators and amplifiers
Power delivery
Maximize power efficiency, optimize system cost and improve reliability in power delivery systems using TI isolation technology
EV charging infrastructure
Maximize performance and reliability and maintain power efficiency in string inverter and energy storage devices with our high-precision isolated modulators and amplifiers
String inverter and energy storage devices
Maximize performance and reliability, optimize cost, and maintain power efficiency in electric vehicle (EV) charging infrastructures with high-precision isolated modulators and amplifiers

Maximize electric vehicle (EV) and powertrain system performance and reliability, optimize cost, and maintain power efficiency with our high-precision isolated modulators

Our isolated converters help optimize and protect automotive applications, with solutions for powertrain sensors, DC/DC converters, battery management systems and more. Use our broad family of isolation products to enhance flexibility and optimize your design cost.

Benefits:

  • Enables lower-power designs.
  • Simplifies processor-to-peripheral interface designs.
  • Enables a wider selection of peripheral devices.

Featured resources

REFERENCE DESIGNS
  • TIDA-020014 – HEV/EV traction inverter power stage with 3 types of IGBT/SiC bias-supply solutions reference design
  • TIDM-02009 – ASIL D safety concept-assessed high-speed traction, bi-directional DC/DC conversion reference design
  • TIDM-02002 – Bidirectional CLLLC resonant dual active bridge (DAB) reference design for HEV/EV onboard charger
PRODUCTS
  • AMC1311-Q1 – Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC3330-Q1 – Automotive, ±1-V input, precision voltage sensing reinforced isolated amplifier with int. DC/DC
  • AMC1411 – 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI

Maximize motor and power efficiency, optimize system cost, and improve reliability using TI isolated modulators and amplifiers

Our isolation technology in AC drives, servo drives and more helps you develop motor-drive applications with high reliability, long life spans and superior voltage ratings.

Featured resources

REFERENCE DESIGNS
  • TIDA-01349 – IPM Interface Reference Design for Inverters Using Single Package Six Channel Digital Isolator
PRODUCTS
  • AMC1300 – ±250-mV input, precision current sensing reinforced isolated amplifier
  • AMC1311 – 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC3301 – ±250-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC

Maximize power efficiency, optimize system cost and improve reliability in power delivery systems using TI isolation technology

Our isolation technology – including both reinforced and nonreinforced isolation products – enables you to design power delivery applications with high reliability, increased safety and high resistance to magnetic interference.

Featured resources

REFERENCE DESIGNS
  • TIDA-01540 – Three-Phase Inverter Reference Design Using Gate Driver With Built-in Dead Time Insertion
  • TIDA-010065 – High-efficiency, low-emission, isolated DC/DC converter-based analog input module reference design
  • TIDA-00851 – Single-Chip, loop-powered 4-20mA RTD Sensor Transmitter Reference Design
PRODUCTS
  • AMC1311 – 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1300 – ±250-mV input, precision current sensing reinforced isolated amplifier
  • ISO224 – ±12-V input, precision voltage sensing reinforced isolated amplifier

Maximize performance and reliability and maintain power efficiency in string inverter and energy storage devices with our high-precision isolated modulators and amplifiers

Our isolated converters help optimize and protect electric vehicle applications, with flexible solutions for battery energy storage systems, single- and three-phase string inverters, and more.

Featured resources

PRODUCTS
  • AMC1311 – 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC3302 – ±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
  • AMC1411 – 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI
DESIGN TOOLS AND SIMULATION
  • TIDA-010054 – Bi-directional, dual active bridge reference design for level 3 electric vehicle charging stations

Maximize performance and reliability, optimize cost, and maintain power efficiency in electric vehicle (EV) charging infrastructures with high-precision isolated modulators and amplifiers

Our isolated converters help optimize and protect EV applications, with flexible solutions for current and voltage sensing, AC charging, DC charging and more. 

Featured resources

PRODUCTS
  • AMC1300 – ±250-mV input, precision current sensing reinforced isolated amplifier
  • AMC3302 – ±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
  • AMC1311 – 2-V input, precision voltage sensing reinforced isolated amplifier

Technical resources

White paper
White paper
Comparing isolated amplifiers and isolated modulators (Rev. A)
This document compares isolated amplifiers and isolated-modulator-based solutions, and explains some unique advantages of isolated-modulator-based solutions. 
document-pdfAcrobat PDF
Application brief
Application brief
Accuracy Comparison of Isolated Shunt and Closed-Loop Current Sensing
This document compares our single-supply, isolated amplifieriers to a popular closed-loop current sensor (CLCS).
document-pdfAcrobat PDF