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TMCS1101A2BQDRQ1
  • TMCS1101A2BQDRQ1

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TMCS1101A2BQDRQ1 Overview

The TMCS1101-Q1 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-Q1 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-Q1 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.

TMCS1101A2BQDRQ1

Features

  • AEC-Q100 qualified for automotive applications
    • Temperature Grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • Total error: ±0.51% typical, ±1.15% maximum, –40°C to 85°C
    • Sensitivity error: ±0.5%
    • Offset error: 9 mA
    • Offset drift: 0.04 mA/°C
    • 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:
    • TMCS1101A1B/U -Q1: 50 mV/A
    • TMCS1101A2B/U -Q1: 100 mV/A
    • TMCS1101A3B/U -Q1: 200 mV/A
    • TMCS1101A4B/U -Q1: 400 mV/A
  • Safety related certifications
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1
TMCS1101A2BQDRQ1
TMCS1101A2BQDRQ1

Product Parameters

  • genericPartNumber

    TMCS1101-Q1

  • partDescription

    Automotive, precision isolated current sensor with internal reference

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    2500|LARGE T&R

  • orderablePartNumber

    TMCS1101A2BQDRQ1

  • statusDisplay

    ACTIVE

  • packageQuantity

    2500

  • packagePins

    SOIC (D)|8

Technical Documents

  • TMCS1101-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMADetails>>

  • TMCS110x Layout Challenges and Best PracticesDetails>>

  • Thermal Implementation Guide for In-Package Magnetic Current SensorsDetails>>

  • Precision Designs with Non-Ratiometric Magnetic Current SensorsDetails>>

  • Low-Drift, Precision, In-Line Isolated Magnetic Motor Current MeasurementsDetails>>

Other distributor's price

Distributor Part # Mfg. Description Price
arrow TMCS1101A2BQDRQ1 Texas Instruments Closed Loop Current Sensor AC/DC Current 5V Automotive 8-Pin SOIC T/R

2500---$4.1410

5000---$4.1000

10000---$4.0590

15000---$4.0180

20000---$3.9780

25000---$3.9380

30000---$3.8990

50000---$3.8600

100000---$3.8210

digikey TMCS1101A2BQDRQ1 Texas Instruments SENSOR CURRENT HALL 22.5A 8SOIC

1---$7.3900

5---$6.5220

10---$5.7610

25---$4.6740

50---$4.1306

100---$4.0219

500---$3.3697

1000---$3.2610

mouser TMCS1101A2BQDRQ1 Texas Instruments Board Mount Current Sensors Automotive, precisio n isolated current

1---$7.3900

10---$5.7600

25---$4.6700

50---$4.1300

100---$4.0200

500---$3.3400