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INA212CQDCKRQ1

TIINA212CQDCKRQ1

Texas Instruments
Current Sense Amplifier 1 Circuit Single-Ended SC-70-6
Active24,167 in stock

Overview

The INA212CQDCKRQ1 is an automotive-qualified (AEC-Q100), zero-drift current shunt monitor designed for high-precision current sensing across a wide common-mode voltage range of -0.3V to 26V. It features a high gain of 1000V/V, making it ideal for monitoring small differential voltages across shunt resistors in power-sensitive systems. This functional safety-capable device maintains high accuracy with a maximum supply current of 115uA.

Why Choose This Part

Its zero-drift architecture ensures low offset voltage and minimal temperature drift, providing consistent 0.5 percent accuracy across the -40C to 125C operating range. The low quiescent current of 115uA makes it suitable for battery-powered or always-on automotive subsystems.

Applications

Body Control Modules
Monitoring current consumption across various automotive electronic control units to detect faults or overcurrent conditions.
Valve and Solenoid Control
Providing feedback for closed-loop current control in precision hydraulic or pneumatic valves.
Wireless Charging Transmitters
Sensing output current to ensure efficient power delivery and compliance with safety standards.
Electronic Stability Control
Measuring shunt voltages in safety-critical braking and stability systems where AEC-Q100 reliability is required.

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 4 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

Engineers can evaluate this part using the INA212EVM evaluation module, which provides a testable platform for various shunt configurations. When designing a PCB, place the device close to the shunt resistor and use Kelvin-sense connections to minimize traces resistance errors.

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