TMCS1100-Q1

AKTIV

AEC-Q100, isolierter Präzisions-Stromsensor, ±600 V, mit externer Referenz

Produktdetails

Continuous current (max) (A) 20 Working isolation voltage (VIOWM) (Vrms) 424 Rating Automotive 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) 5 Small-signal bandwidth (kHz) 80 Sensitivity error (%) 0.2 Sensitivity error drift (±) (max) (ppm/°C) 50 TI functional safety category Functional Safety-Capable 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) 20 Working isolation voltage (VIOWM) (Vrms) 424 Rating Automotive 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) 5 Small-signal bandwidth (kHz) 80 Sensitivity error (%) 0.2 Sensitivity error drift (±) (max) (ppm/°C) 50 TI functional safety category Functional Safety-Capable 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
  • AEC-Q100 qualified for automotive applications
    • Temperature Grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • 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-Q1: 50mV/A
    • TMCS1100A2-Q1: 100mV/A
    • TMCS1100A3-Q1: 200mV/A
    • TMCS1100A4-Q1: 400mV/A
  • Safety related certifications
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1
  • AEC-Q100 qualified for automotive applications
    • Temperature Grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • 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-Q1: 50mV/A
    • TMCS1100A2-Q1: 100mV/A
    • TMCS1100A3-Q1: 200mV/A
    • TMCS1100A4-Q1: 400mV/A
  • Safety related certifications
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1

The TMCS1100-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% 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-Q1 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-Q1 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-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% 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-Q1 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-Q1 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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Typ Titel Datum
* Data sheet TMCS1100-Q1 AEC-Q100, 1% High- Precision, Basic Isolation Hall-Effect Current Sensor With ±600V Working Voltage datasheet (Rev. A) PDF | HTML 25 Jun 2025
Application brief Low-Drift, Precision, In-Line Isolated Magnetic Motor Current Measurements (Rev. A) 24 Jul 2023
Application note TMCS110x Layout Challenges and Best Practices PDF | HTML 03 Dez 2022
White paper Improve High-Voltage System Efficiency With Zero-Drift Hall-Effect Current Sense (Rev. A) PDF | HTML 15 Mär 2022
Functional safety information TMCS1100-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 30 Mär 2021
Application note Thermal Implementation Guide for In-Package Magnetic Current Sensors PDF | HTML 12 Jul 2020
Application brief Precision Designs with Non-Ratiometric Magnetic Current Sensors 01 Jul 2019

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