Hall-effect current sensors

Achieve consistent, accurate measurements over time and temperature

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Our Hall-effect current sensors provide high accuracy combined with low drift, enabling accurate current measurements over both time and temperature. Additionally, our Hall-effect current sensors offer high working voltage levels with different levels of isolation to help address varying use-case conditions.

Design & development resources

Reference design
1-kW, 80+ titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC with LFU reference design
This reference design is a digitally controlled, compact 1-kW AC/DC power supply design for server power supply unit (PSU) and telecom rectifier applications. This highly efficient design supports two main power stages, including a front-end continuous conduction mode (CCM) totem-pole bridgeless (...)
Reference design
In-phase current-sense reference design for 230-VAC motor drives using hall-effect current sensors
This reference design features the Hall-effect current sensor, TMCS1100, that can measure currents with an absolute error of < 1% (–40 to 125°C) and provide a working isolation voltage of up to 600 V. The low-resistance in-package current sensing element and lack of need for high-side (...)
Evaluation board
TMCS1101 isolated Hall-effect current sensing evaluation module
The TMCS1101EVM is a tool intended to facilitate rapid, convenient use of the TMCS1101, an isolated Hall-effect precision current sense monitor utilizing an internal ratiometric reference. This evaluation module allows the user push the max operating current through the Hall-input side while (...)
TMCS1123
Hall-effect current sensors

±1300V reinforced isolation, 80Arms 250kHz Hall-effect current sensor with AFR, reference and ALERT

Approx. price (USD) 1ku | 1.999

TMCS1126
Hall-effect current sensors

±1300V reinforced isolation, 80ARMS 500kHz Hall-effect current sensor with AFR, reference and ALERT

Approx. price (USD) 1ku | 1.7

TMCS1133
Hall-effect current sensors

±1300V reinforced isolation, 80ARMS 1MHz Hall-effect current sensor with AFR, reference and ALERT

Approx. price (USD) 1ku | 2

Benefits of our Hall-effect current sensors

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Low drift

Achieve low drift over time and temperature with zero-drift architecture and real-time sensitivity compensation correct for changing temperature, package stress and aging.

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High accuracy

Increase overall system performance with higher efficiency and tighter system control.

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Isolation

Address demanding environmental and use-case conditions while exceeding industry regulations and extending product lifetime with high working voltage.

Flexible current-sensing solutions for your design

Achieve accurate and fast current sensing in every system

Whether you need to detect an overcurrent fault, improve system efficiency, or provide closed-loop feedback, TI's large portfolio of current-sensing solutions enables industry-leading accuracy for a range of common-mode voltages and temperatures – without sacrificing system size, complexity or cost. Through decades of experience, we have developed leading-edge current-sensing technology that empowers engineers to achieve maximum system performance, power efficiency and reliability.

Learn more about our key product categories for current sensing: 

Discover featured applications

Motor drive
Optimize the performance and power efficiency of motor drives by using Hall-effect current sensors
Solar inverters
Hall-effect current sensing enables real-time control in solar inverter systems with reinforced working voltages up to 1,100 V
EV charging
Hall-based current-sensing solutions allow you to achieve high-voltage isolation in system designs
Automotive on-board charging
Precision current sensing can help optimize the power efficiency in your onboard charging systems
Telecom and server power
Precision current sensing can help improve power factor and AC/DC efficiency while enabling greater safety, with fast overcurrent protection

Optimize the performance and power efficiency of motor drives by using Hall-effect current sensors

Precision Hall-effect current sensors enable real-time control with in-line phase monitoring in DC motor drives, servo motors and drone accessories to increase the level of control, safety and performance in motor-drive systems.

Benefits:

  • Industry leading temperature drift of ±50PPM/C, and ±0.5% of lifetime drift.
  • Support for up to ±1,100-V working voltages.
  • Supports both AC and DC monitoring.

Featured resources

REFERENCE DESIGNS
  • TIDA-010059 – In-phase current-sense reference design for 230-VAC motor drives using hall-effect current sensors
PRODUCTS
  • TMCS1123 – ±1300V reinforced isolation, 80Arms 250kHz Hall-effect current sensor with AFR, reference and ALERT
  • TMCS1100 – ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with external reference
  • TMCS1101 – ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference

Hall-effect current sensing enables real-time control in solar inverter systems with reinforced working voltages up to 1,100 V

Hall-effect current sensors enable current measurements for rails as high as 1,100 V, with reinforced isolation to ensure the safety of other system electronics.

Benefits:

  • Industry leading temperature drift of ±50PPM/C, and ±0.5% of lifetime drift.
  • Support for up to ±1,100-V working voltage.
  • Supports both AC and DC monitoring.

Featured resources

PRODUCTS
  • TMCS1123 – ±1300V reinforced isolation, 80Arms 250kHz Hall-effect current sensor with AFR, reference and ALERT
  • TMCS1100 – ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with external reference
  • TMCS1101 – ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference

Hall-based current-sensing solutions allow you to achieve high-voltage isolation in system designs

Hall-effect current sensors have high common-mode voltage ranges and isolation, which helps you meet safety requirements in electric vehicle charging systems.

Benefits:

  • Industry leading temperature drift of ±50PPM/C, and ±0.5% of lifetime drift.
  • Support for up to ±1,100-V working voltages.
  • Supports both AC and DC monitoring.

Featured resources

REFERENCE DESIGNS
  • TIDA-010059 – In-phase current-sense reference design for 230-VAC motor drives using hall-effect current sensors
PRODUCTS
  • TMCS1123 – ±1300V reinforced isolation, 80Arms 250kHz Hall-effect current sensor with AFR, reference and ALERT
  • TMCS1100 – ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with external reference
  • TMCS1101 – ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference

Precision current sensing can help optimize the power efficiency in your onboard charging systems

Develop electric vehicle systems with our precision, Hall-effect current sensors, which help you design smaller, more efficient onboard chargers.

Benefits:

  • Industry leading temperature drift of ±50PPM/C, and ±0.5% of lifetime drift.
  • Support for up to ±1,100-V working voltages.
  • Supports both AC and DC monitoring.

Featured resources

REFERENCE DESIGNS
  • TIDA-010062 – 1-kW, 80+ titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC with LFU reference design
  • PMP23069 – 3-kW, 180-W/in3 single-phase totem-pole bridgeless PFC reference design with 16-A max input
  • PMP40690 – 4-kW interleaved CCM totem pole bridgeless PFC reference design using C2000™ MCU and GaN
PRODUCTS
  • TMCS1101-Q1 – AEC-Q100, ±600-V, precision, isolated current sensor with internal reference
  • TMCS1107-Q1 – AEC-Q100, ±420-V isolated Hall-effect current sensor with internal reference
  • TMCS1100-Q1 – AEC-Q100, ±600-V, precision, isolated current sensor with external reference

Precision current sensing can help improve power factor and AC/DC efficiency while enabling greater safety, with fast overcurrent protection

Develop power supplies with our precision Hall-effect current sensors, which enable smaller, more efficient systems.

Benefits:

  • Industry leading temperature drift of ±50PPM/C, and ±0.5% of lifetime drift.
  • Support for up to ±1,100-V working voltages.
  • Supports both AC and DC monitoring.

Featured resources

PRODUCTS
  • INA180 – 26V, 350kHz current sense amplifier
  • INA293 – -4-V to 110-V, 1.3-MHz, ultra-precise current sense amplifier
  • INA240 – -4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection
DESIGN TOOLS AND SIMULATION

Technical resources

E-book
E-book
An Engineer's Guide to Current Sensing (Rev. B)
This e-book includes 20 proven tips to simplify your current sense amplifier design, including out-of-range measurements and signal chain integration.
document-pdfAcrobat PDF
White paper
White paper
Improve High-Voltage System Efficiency With Zero-Drift Hall-Effect Current Sense (Rev. A)
Learn how major industry trends are driving demand for isolated current sensing, and how zero-drift Hall-effect current sensors can improve isolation and measurement drift.
document-pdfAcrobat PDF
Video series
Video series
TI Precision Labs - Hall-effect current sensors
The training series includes videos and downloadable reference materials to help accelerate your learning and deepen your technical expertise.