INA210CQDCKRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA210CQDCKRQ1 is a high-side current sense amplifier designed for automotive applications. It accurately measures the current flowing through a shunt resistor and provides a voltage output proportional to the current.

Characteristics: - High accuracy - Wide common-mode voltage range - Low quiescent current - High bandwidth - Automotive qualified

Package: DCK (SOT-23), Tape and Reel

Essence: The INA210CQDCKRQ1 is an essential component in automotive systems that require precise current measurements, such as battery management, motor control, and power distribution.

Packaging/Quantity: The INA210CQDCKRQ1 is available in a reel of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 26V
• Common-Mode Voltage Range: -0.3V to +26V
• Quiescent Current: 60µA
• Gain Error: ±0.5%
• Bandwidth: 200kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA210CQDCKRQ1 has six pins arranged as follows:

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Pin Configuration: 1. V+ (Supply Voltage) 2. V- (Ground) 3. OUT (Output Voltage) 4. REF (Reference Voltage) 5. IN- (Negative Input) 6. IN+ (Positive Input) ```

Functional Features

• High accuracy current sensing
• Wide input voltage range
• Low power consumption
• High bandwidth for fast response
• Built-in reference voltage for easy calibration

Advantages and Disadvantages

Advantages: - Accurate current measurement - Wide operating voltage range - Low power consumption - Automotive qualified for reliability - Compact package size

Disadvantages: - Limited bandwidth compared to some other current sense amplifiers - Requires an external shunt resistor for current sensing

Working Principles

The INA210CQDCKRQ1 operates by measuring the voltage drop across a shunt resistor placed in series with the load. The voltage drop is amplified by the internal circuitry and converted into a proportional output voltage. This voltage can be easily measured and used for various control and monitoring purposes.

Detailed Application Field Plans

The INA210CQDCKRQ1 is widely used in automotive applications, including:

1. Battery Management Systems (BMS): It accurately measures the current flowing in and out of the battery, enabling precise monitoring and control of the battery's state of charge and health.

2. Motor Control: The INA210CQDCKRQ1 allows accurate current sensing in motor control systems, ensuring optimal performance and protection against overcurrent conditions.

3. Power Distribution: It enables precise current measurements in power distribution systems, helping to monitor and optimize power usage and detect faults or abnormal conditions.

Detailed and Complete Alternative Models

1. INA219: Similar to the INA210CQDCKRQ1, but with higher accuracy and additional features such as bus voltage measurement.

2. INA226: Offers similar functionality to the INA210CQDCKRQ1 but with higher precision and integrated power calculation capabilities.

3. MAX4080: A high-side current sense amplifier with adjustable gain and wide input voltage range.

4. LT6105: Provides high accuracy current sensing with a wide common-mode voltage range and low power consumption.

5. AD8211: A high-side current shunt monitor with a wide input voltage range and built-in overcurrent detection.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific application requirements.

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