TMCS1100A3QDRQ1

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SOIC-8 Current Sensors ROHS

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TMCS1100A3QDRQ1 DataSheet

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TMCS1100A3QDRQ1 Details

The TMCS1100A3QDRQ1 is a high-precision current sensor from Texas Instruments, designed for accurate current measurement in automotive applications. This sensor features a measurement range of up to 50A, providing a precise analog output proportional to the current flow. It is housed in a compact and robust package, suitable for integration into automotive systems with stringent performance requirements.

Pinout

  • 1 (VCC): Positive Power Supply
  • 2 (GND): Ground
  • 3 (OUT): Analog Output Voltage
  • 4 (NC): No Connection

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • High Precision: Offers high accuracy in current measurement for precise applications.
  • Wide Measurement Range: Capable of measuring currents up to 50A.
  • Automotive Grade: Designed and qualified for automotive applications with stringent standards.
  • Compact Design: Compact form factor for easy integration into automotive systems.
  • Robust Construction: Built to withstand automotive operating conditions and vibrations.

Application

  • Automotive Current Sensing: Ideal for current measurement in automotive electronic systems.
  • Battery Management: Used in battery monitoring and management systems in vehicles.
  • Motor Control: Suitable for motor control applications in automobiles.

Where to Use

The TMCS1100A3QDRQ1 is recommended for automotive applications that require precise current sensing and monitoring capabilities. It is particularly well-suited for electric vehicles, hybrid vehicles, and other automotive systems where accurate current measurement is essential.

How to Use

To use the TMCS1100A3QDRQ1, connect the VCC and GND pins to the corresponding power supply and ground connections in the circuit. The OUT pin provides an analog voltage output proportional to the measured current. Calibrate the sensor as needed for accurate readings. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the TMCS1100A3QDRQ1 demonstrates how to integrate the current sensor into automotive systems. It includes connections for power, ground, and the analog output, ensuring proper functionality and accurate current measurement.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • ACS712: A comparable current sensor from Allegro Microsystems with similar features.
  • LEM LA 55-P: An alternative current sensor offering precision current measurement.

Complementary

The TMCS1100A3QDRQ1 can be complemented by the TMCS1100A1QDRQ1, which offers a lower current measurement range but maintains high precision for specific automotive applications.

When choosing complementary sensors, ensure compatibility and alignment with the system requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum current measurement range of the TMCS1100A3QDRQ1?

A: The TMCS1100A3QDRQ1 can measure currents up to 50A. Refer to the datasheet for specific operating conditions and limitations.

Q: Is the TMCS1100A3QDRQ1 suitable for electric vehicle applications?

A: Yes, the TMCS1100A3QDRQ1 is well-suited for electric vehicle systems, offering high precision and accuracy in current measurement critical for electric drivetrains and battery management.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Continuous current (max) (A) 20 Working isolation voltage (VIOWM) (Vrms) 424
Magnetic sensitivity (typ) (mV/A) 50, 100, 200, 400 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 CMTI (kV/µs) 25
Small-signal bandwidth (Hz) 80000 Sensitivity error (%) 0.2
Sensitivity error drift (±) (max) (ppm/°C) 50 Rating Automotive
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

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