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TMCS1100

ACTIVE

±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with external reference

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Data sheet

TMCS1100

ACTIVE
Data sheet Order now

Product details

Continuous current (max) (A) 30 Working isolation voltage (VIOWM) (Vrms) 424 Rating Catalog Sensitivity (typ) (mV/mT) 50000, 100000, 200000, 400000 Input offset current (±) (max) (mA) 40, 47.5, 50, 60 Input offset current drift (±) (typ) (µA/°C) 0.1 Features Externally Driven Zero Current Reference Voltage Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3 Iq (max) (mA) 6 Small-signal bandwidth (kHz) 80 Sensitivity error (%) 0.75 Sensitivity error drift (±) (max) (ppm/°C) 45 Propagation delay time (typ) (ns) 4000 Operating temperature range (°C) -40 to 125 Creepage (min) (mm) 4 Clearance (min) (mm) 4 Isolation rating Basic Surge isolation voltage (VIOSM) (VPK) 6000
Continuous current (max) (A) 30 Working isolation voltage (VIOWM) (Vrms) 424 Rating Catalog Sensitivity (typ) (mV/mT) 50000, 100000, 200000, 400000 Input offset current (±) (max) (mA) 40, 47.5, 50, 60 Input offset current drift (±) (typ) (µA/°C) 0.1 Features Externally Driven Zero Current Reference Voltage Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3 Iq (max) (mA) 6 Small-signal bandwidth (kHz) 80 Sensitivity error (%) 0.75 Sensitivity error drift (±) (max) (ppm/°C) 45 Propagation delay time (typ) (ns) 4000 Operating temperature range (°C) -40 to 125 Creepage (min) (mm) 4 Clearance (min) (mm) 4 Isolation rating Basic Surge isolation voltage (VIOSM) (VPK) 6000
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Total error: ±0.4% typical, ±0.9% maximum, –40°C to 85°C
    • Sensitivity error: ±0.4%
    • Offset error: 7mA
    • Offset drift: 0.04mA/°C
    • Linearity error: 0.05%
  • Lifetime and environmental drift: <±0.5%
  • 3kVRMS isolation rating
  • Robust 600V lifetime working voltage
  • Bidirectional and unidirectional current sensing
  • External reference voltage
  • Operating supply range: 3V to 5.5V
  • Signal bandwidth: 80kHz
  • Multiple sensitivity options:
    • TMCS1100A1: 50mV/A
    • TMCS1100A2: 100mV/A
    • TMCS1100A3: 200mV/A
    • TMCS1100A4: 400mV/A
  • Safety related certifications
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1
  • Total error: ±0.4% typical, ±0.9% maximum, –40°C to 85°C
    • Sensitivity error: ±0.4%
    • Offset error: 7mA
    • Offset drift: 0.04mA/°C
    • Linearity error: 0.05%
  • Lifetime and environmental drift: <±0.5%
  • 3kVRMS isolation rating
  • Robust 600V lifetime working voltage
  • Bidirectional and unidirectional current sensing
  • External reference voltage
  • Operating supply range: 3V to 5.5V
  • Signal bandwidth: 80kHz
  • Multiple sensitivity options:
    • TMCS1100A1: 50mV/A
    • TMCS1100A2: 100mV/A
    • TMCS1100A3: 200mV/A
    • TMCS1100A4: 400mV/A
  • Safety related certifications
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1

The TMCS1100 is a galvanically isolated Hall-effect current sensor capable of DC or AC current measurement with high accuracy, excellent linearity, and temperature stability. A low-drift, temperature-compensated signal chain provides < 1% full-scale error across the device temperature range.

The input current flows through an internal 1.8mΩ conductor that generates a magnetic field measured by an integrated Hall-effect sensor. This structure eliminates external concentrators and simplifies design. Low conductor resistance minimizes power loss and thermal dissipation. Inherent galvanic insulation provides a 600V lifetime working voltage and 3kVRMS basic isolation between the current path and circuitry. Integrated electrical shielding enables excellent common-mode rejection and transient immunity.

The output voltage is proportional to the input current with four sensitivity options. Fixed sensitivity allows the TMCS1100 to operate from a single 3V to 5.5V power supply, eliminates ratiometry errors, and improves supply noise rejection. The current polarity is considered positive when flowing into the positive input pin. The VREF input pin provides a variable zero-current output voltage, enabling bidirectional or unidirectional current sensing.

The TMCS1100 draws a maximum supply current of 6mA, and all sensitivity options are specified over the operating temperature range of –40°C to +125°C.

The TMCS1100 is a galvanically isolated Hall-effect current sensor capable of DC or AC current measurement with high accuracy, excellent linearity, and temperature stability. A low-drift, temperature-compensated signal chain provides < 1% full-scale error across the device temperature range.

The input current flows through an internal 1.8mΩ conductor that generates a magnetic field measured by an integrated Hall-effect sensor. This structure eliminates external concentrators and simplifies design. Low conductor resistance minimizes power loss and thermal dissipation. Inherent galvanic insulation provides a 600V lifetime working voltage and 3kVRMS basic isolation between the current path and circuitry. Integrated electrical shielding enables excellent common-mode rejection and transient immunity.

The output voltage is proportional to the input current with four sensitivity options. Fixed sensitivity allows the TMCS1100 to operate from a single 3V to 5.5V power supply, eliminates ratiometry errors, and improves supply noise rejection. The current polarity is considered positive when flowing into the positive input pin. The VREF input pin provides a variable zero-current output voltage, enabling bidirectional or unidirectional current sensing.

The TMCS1100 draws a maximum supply current of 6mA, and all sensitivity options are specified over the operating temperature range of –40°C to +125°C.
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TMCS1100 won a gold Leadership in Engineering Achievement Program (LEAP) Award in the Switches & Sensors category.

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TMCS1101 ACTIVE ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference The TMCS1101 has the same functionality but with an internal reference voltage

Technical documentation

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* Data sheet TMCS1100 1% High- Precision, Basic Isolation Hall-Effect Current Sensor With ±600V Working Voltage datasheet (Rev. C) PDF | HTML 19 Jun 2025
White paper 정확한 감지를 통해 시스템 성능을 개선하고 효율성을 높이는 방법 (Rev. C) PDF | HTML 30 Oct 2023
White paper How Accurate Sensing Enables Better System Performance and Increased Efficiency (Rev. C) PDF | HTML 22 Oct 2023
Application brief Current Sensing Applications in Communication Infrastructure Equipment (Rev. C) PDF | HTML 08 Aug 2023
Application brief Current Sensing in Collaborative and Industrial Robotic Arms (Rev. B) PDF | HTML 24 Jul 2023
Application brief Improving Power Amplifier Efficiency With Current Monitors (Rev. B) PDF | HTML 24 Jul 2023
Application brief Low-Drift, Precision, In-Line Isolated Magnetic Motor Current Measurements (Rev. A) 24 Jul 2023
Technical article 4 key current-sensing design trends that are powering electrification PDF | HTML 21 Feb 2023
Application note TMCS110x Layout Challenges and Best Practices PDF | HTML 03 Dec 2022
White paper Improve High-Voltage System Efficiency With Zero-Drift Hall-Effect Current Sense (Rev. A) PDF | HTML 15 Mar 2022
Application note Compact Multichannel Current Sensing PDF | HTML 06 Nov 2020
Application note Thermal Implementation Guide for In-Package Magnetic Current Sensors PDF | HTML 12 Jul 2020
Technical article How to select the right current sense technology for your high-voltage system PDF | HTML 06 Jul 2020
Technical article How to use Hall-effect current sensors in telecom rectifiers and server PSUs PDF | HTML 06 May 2020
Technical article How current sensors help monitor and protect the world’s wireless infrastructure PDF | HTML 30 Dec 2019
Application brief Precision Designs with Non-Ratiometric Magnetic Current Sensors 01 Jul 2019

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TMCS1100EVM — TMCS1100 isolated Hall-effect current sensing evaluation module

The TMCS1100EVM is a tool intended to facilitate rapid, convenient use of the TMCS1100, an isolated Hall-effect precision crrent sense monitor utilizing an external reference.  This evaluation module allows the user to push the max operating current through the Hall-input side while measuring (...)
User guide: PDF | HTML
Not available on TI.com
Simulation model

TMCS1100 TINA-TI Reference Design (Rev. A)

SBOMB06A.TSC (171 KB) - TINA-TI Reference Design
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Simulation model

TMCS1100 TINA-TI SPICE Model (Rev. B)

SBOMB07B.ZIP (27 KB) - TINA-TI Spice Model
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Simulation model

TMCS1100A1 PSpice Model

SBOMBE7.ZIP (20 KB) - PSpice Model
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Simulation model

TMCS1100A2 PSpice Model

SBOMBE6.ZIP (22 KB) - PSpice Model
Download
Simulation model

TMCS1100A3 PSpice Model

SBOMBE5.ZIP (21 KB) - PSpice Model
Download
Simulation model

TMCS1100A4 PSpice Model

SBOMBE3.ZIP (21 KB) - PSpice Model
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Calculation tool

CS-MAGNETIC-ERROR-TOOL-CALC — Hall-Effect Current Sensor Comparison and Error Tool

Hall-Effect Current Sensor Comparison and Error Tool
Supported products & hardware

Supported products & hardware

Products
Hall-effect current sensors
  • TMCS1100 — ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with external reference
  • TMCS1101-Q1 — AEC-Q100, ±600-V, precision, isolated current sensor with internal reference
  • TMCS1100-Q1 — AEC-Q100, ±600-V, precision, isolated current sensor with external reference
  • TMCS1101 — ±600V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference
  • TMCS1107 — ±420V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference
  • TMCS1107-Q1 — AEC-Q100, ±420-V isolated Hall-effect current sensor with internal reference
  • TMCS1108 — ±100V basic isolation, 20Arms 80kHz Hall-effect current sensor with reference
  • TMCS1108-Q1 — AEC-Q100, ±100-V isolated Hall-effect current sensor with internal reference
  • TMCS1123 — ±1300V reinforced isolation, 80ARMS 250kHz Hall-effect current sensor with AFR, reference and ALERT
  • TMCS1123-Q1 — AEC-Q100 80ARMS Hall-effect current sensor with AFR and ALERT
  • TMCS1126 — 80ARMS 500kHz Hall-effect current sensor with AFR, reference and ALERT
  • TMCS1126-Q1 — AEC-Q100 qualified 80ARMS 500kHz Hall-effect current sensor with AFR, reference and ALERT
  • TMCS1127 — 80ARMS 250kHz Hall-effect current sensor with AFR
  • TMCS1127-Q1 — AEC-Q100 80ARMS 250kHz Hall-effect current sensor with AFR
  • TMCS1133 — 80ARMS 1MHz Hall-effect current sensor with AFR and ALERT
  • TMCS1133-Q1 — Automotive 1MHz Hall-effect current sensor with AFR and ALERT
  • TMCS1143 — 125ARMS 250kHz Hall-effect current sensor with AFR, reference, OCP and ALERT
  • TMCS1148 — 125ARMS 500kHz Hall-effect current sensor with OCP, reference and AFR
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Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
View Options
Reference designs

PMP23069 — 3-kW, 180-W/in3 single-phase totem-pole bridgeless PFC reference design with 16-A max input

This reference design demonstrates a method to control a continuous conduction mode Totem pole power factor correction converter (PFC) using C2000 F28003x and F28004x microcontrollers. The PFC also works as inverter in grid connected (current controlled) mode. The converter is designed to support a (...)
Test report: PDF
Reference designs

PMP41114 — 3.6kW, 54V, single-phase, AC-to-DC rectifier reference design with all GaN switches

This reference design is a digitally controlled 3.6kW, 54V single-phase AC-to-DC rectifier with all GaN switches. This design is a demonstration for modular hardware system common redundant power supply (M-CRPS) with standard form factor. The input stage chooses a single-phase, totem-pole (...)
Test report: PDF
Reference designs

TIDA-010062 — 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 (...)
Design guide: PDF
Schematic: PDF
Reference designs

PMP41006 — 1-kW reference design with CCM totem pole PFC and current-mode LLC realized by C2000™ and GaN

This reference design demonstrates a hybrid hysteresis control (HHC) method, a kind of current-mode control method on half-bridge LLC stage with a C2000™ F28004x microcontroller. The hardware is based on TIDA-010062, which is 1-kW, 80-Plus titanium, GaN CCM totem pole bridgeless PFC and half-bridge (...)
Test report: PDF
Reference designs

PMP41043 — 1.6-kW reference design with CCM totem pole PFC and current-mode LLC realized by C2000 and GaN

This reference design demonstrates a hybrid hysteresis control (HHC) method, a current mode control method on half-bridge LLC stage with a C2000 F28004x microcontroller. The hardware is based on TIDA-010062 which is 1-kW, 80 Plus titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC (...)
Test report: PDF
Reference designs

PMP40690 — 4-kW interleaved CCM totem pole bridgeless PFC reference design using C2000™ MCU and GaN

This reference design is a 4-kW interleaved CCM totem pole (TTPL) bridgeless PFC reference design using a 64-pin C2000™ microcontroller, LM3410 gallium nitride device and TMCS1100 hall sensor. It is based on TIDM-02008 bidirectional interleaved CCM TTPL bridgeless PFC reference (...)
Test report: PDF
Schematic: PDF
Reference designs

TIDA-010059 — 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 (...)
Design guide: PDF
Schematic: PDF
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