Top

Product details

Parameters

Continuous current (Max) (A) 20 Isolation working voltage VIOWM (rms) (V) 424 Sensitivity (Typ) (mV/A) 50, 100, 200, 400 Sensitivity error (%) 0.3 Sensitivity error drift (+/-) (Max) (ppm/°C) 50 Input offset current (+/-) (Max) (mA) 37.5 Input offset current drift (+/-) (Typ) (µA/°C) 0.1 Features Internal Zero Current Reference Voltage Small signal bandwidth (kHz) 80 Supply voltage (Max) (V) 5.5 Supply voltage (Min) (V) 3 Iq (Max) (mA) 5 CMTI (kV/µs) 25 open-in-new Find other Hall-effect current sensors

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 open-in-new Find other Hall-effect current sensors

Features

  • Total error: ±0.51% typical, ±1.15% maximum, –40ºC to 85ºC
    • Sensitivity error: ±0.5%
    • Offset error: 9 mA
    • Offset drift: 0.04 mA/ºC
    • Linearity error: 0.05%
  • Lifetime and environmental drift: <±0.5%
  • 3-kVRMS isolation rating
  • Robust 600-V lifetime working voltage
  • Bidirectional and unidirectional current sensing
  • Zero drift internal reference
  • Operating supply range: 3 V to 5.5 V
  • Signal bandwidth: 80 kHz
  • Multiple sensitivity options:
    • TMCS1101A1U/B: 50 mV/A
    • TMCS1101A2U/B: 100 mV/A
    • TMCS1101A3U/B: 200 mV/A
    • TMCS1101A4U/B: 400 mV/A
  • Safety related certifications (planned)
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1

All trademarks are the property of their respective owners.

open-in-new Find other Hall-effect current sensors

Description

The TMCS1101 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 < 1.5% full-scale error across the device temperature range.

The input current flows through an internal 1.8-mΩ 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 600-V lifetime working voltage and 3-kVRMS 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 TMCS1101 to operate from a single 3-V to 5.5-V power supply, eliminates ratiometry errors, and improves supply noise rejection. The current polarity is considered positive when flowing into the positive input pin. Both unidirectional and bidirectional sensing variants are available.

The TMCS1101 draws a maximum supply current of 6 mA, and all sensitivity options are specified over the operating temperature range of –40°C to +125°C.

open-in-new Find other Hall-effect current sensors
Download
Similar products you might be interested in
open-in-new Compare products
Same functionality and pinout but is not an equivalent to the compared device:
TMCS1100 ACTIVE Precision isolated current sensor with external reference The TMCS1100 has the same functionality but with an external VREF pin

Technical documentation

Design & development

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

Hardware development

EVALUATION BOARD Download
59
Description
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 (...)
Features
  • Evaluation of the TMCS1101Ax in all gain options
  • Test points to allow ease of acess to device pins
  • Large copper planes to help with heat dissipation
  • Large lug connectors to connect the EVM to large current carrying leads

Design tools & simulation

SIMULATION MODEL Download
SBOMB08A.TSC (231 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBOMB09B.ZIP (54 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SBOMBD2.ZIP (21 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBD3.ZIP (21 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBD4.ZIP (21 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBD5.ZIP (21 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBD7.ZIP (22 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBD8.ZIP (22 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBD9.ZIP (21 KB) - PSpice Model
SIMULATION MODEL Download
SBOMBE1.ZIP (20 KB) - PSpice Model
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI 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 (...)

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos

Related videos