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INA211CQDCKRQ1

TIINA211CQDCKRQ1

Texas Instruments
Current Sense Amplifier 1 Circuit Single-Ended SC-70-6
Active27,322 in stock
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Overview

The INA211CQDCKRQ1 is an automotive-grade current shunt monitor designed for precise current measurement in various vehicle systems. It features a zero-drift architecture, providing high accuracy across its operating temperature range. This device is AEC-Q100 qualified and Functional Safety-Capable, making it suitable for critical automotive applications.

Why Choose This Part

This current sense amplifier offers high accuracy due to its zero-drift architecture, making it reliable for critical measurements. Its AEC-Q100 qualification and Functional Safety-Capable designation ensure robustness and suitability for demanding automotive environments. The low quiescent current of 115uA (maximum) contributes to energy efficiency in battery-powered systems.

Applications

Body Control Module (BCM)
Accurately monitors current consumption of various loads within the BCM for diagnostic and control purposes.
Valve Control Systems
Provides precise current feedback for solenoid valve actuation, ensuring accurate positioning and control.
Motor Control Systems
Monitors motor phase currents or total motor current for efficient operation, fault detection, and torque control in electric motors.
Electronic Stability Control (ESC)
Measures currents in brake actuators or other ESC components to support system functionality and safety.
Wireless Charging Transmitters
Monitors current delivery to optimize power transfer and detect abnormal conditions in automotive wireless charging systems.

Key Specifications

Slew Rate 0.4V/us
Output Type Single-Ended
Mounting Type Surface Mount
Amplifier Type Current Sense
Package / Case 6-TSSOP, SC-88, SOT-363
Current - Supply 65uA
Number of Circuits 1
Current - Input Bias 28 uA
Operating Temperature -40degC ~ 125degC
Gain Bandwidth Product 7 kHz
Voltage - Input Offset 0.55 uV
Supplier Device Package SC-70-6
Voltage - Supply Span (Max) 26 V
Voltage - Supply Span (Min) 2.7 V

Getting Started

To get started with the INA211CQDCKRQ1, engineers can utilize evaluation modules from Texas Instruments designed for current sense amplifiers. These modules typically provide convenient breakout pins and example schematics. Integration involves connecting a shunt resistor in series with the load and feeding the voltage drop into the INA211's input, then reading the amplified output voltage with a microcontroller's ADC.

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