INA214CIDCKR

The INA214CIDCKR is a precision current sense amplifier manufactured by Texas Instruments. It is designed to provide accurate current measurements in a variety of applications, including battery management systems, motor control, and power monitoring.

Key Features:

1. Precision Measurement: The INA214CIDCKR offers a high common-mode voltage range, allowing it to accurately measure current in high-side configurations. This is particularly useful in applications where the load is connected to a higher voltage than the ground.

2. Gain Options: The device typically features a fixed gain of 20 V/V, which allows for a significant amplification of the voltage drop across a shunt resistor, making it easier to read small current levels.

3. Low Offset Voltage: The amplifier has a low input offset voltage, which enhances its accuracy and makes it suitable for precision applications. This low offset helps in minimizing measurement errors.

4. Wide Supply Voltage Range: The INA214CIDCKR operates over a wide supply voltage range, typically from 2.7V to 5.5V, making it versatile for various power supply configurations.

5. Low Power Consumption: The device is designed for low power operation, which is essential for battery-powered applications. This feature helps extend battery life while maintaining performance.

6. Small Package Size: The INA214CIDCKR is available in a compact SOT-23 package, which is ideal for space-constrained designs. This small footprint allows for easy integration into various circuit layouts.

7. Temperature Range: The device is rated for operation over an extended temperature range, making it suitable for industrial and automotive applications where environmental conditions can vary significantly.

Applications:

• Battery Management Systems: Used for monitoring battery charge and discharge currents to optimize performance and longevity.
• Motor Control: Helps in measuring the current flowing through motors, enabling efficient control and protection mechanisms.
• Power Monitoring: Essential in systems that require accurate power consumption measurements for energy management and efficiency improvements.

Electrical Characteristics:

• Input Common-Mode Voltage Range: Typically from -0.2V to 26V, allowing for high-side sensing.
• Supply Current: Generally low, around 100 µA, contributing to its efficiency in portable applications.
• Output Voltage Swing: The output can swing close to the supply rails, providing flexibility in interfacing with other components.

In summary, the INA214CIDCKR from Texas Instruments is a highly precise, low-power current sense amplifier that is well-suited for a variety of applications requiring accurate current measurement and monitoring. Its compact size, wide operating range, and low offset voltage make it a popular choice among engineers designing modern electronic systems.