INA250A1PWR

Product Overview

Category

The INA250A1PWR belongs to the category of integrated circuits (ICs) used in electronic devices.

Use

This product is primarily used for current sensing and monitoring applications in various electronic systems.

Characteristics

• High accuracy: The INA250A1PWR offers precise current measurement with low offset and gain error.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low power consumption: This IC consumes minimal power, ensuring energy efficiency in electronic systems.
• Small package size: The INA250A1PWR comes in a compact package, enabling space-saving designs.
• Enhanced protection features: It incorporates built-in protection mechanisms to safeguard against overcurrent and overvoltage conditions.

Package

The INA250A1PWR is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the INA250A1PWR lies in its ability to accurately measure and monitor current in electronic systems, facilitating efficient power management.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of ICs, such as 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Current Measurement Range: ±80mA
• Accuracy: ±0.5% (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Interface: Analog voltage output

Detailed Pin Configuration

The INA250A1PWR has the following pin configuration:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply)
3. OUT (Analog Voltage Output)
4. REF (Reference Voltage Input)
5. SET (Current Sense Resistor Connection)

Functional Features

• High accuracy current sensing: The INA250A1PWR provides precise measurement of current flowing through the sense resistor.
• Overcurrent protection: It incorporates a built-in overcurrent detection mechanism to prevent damage to the system.
• Wide input voltage range: The IC can handle a wide range of input voltages, enhancing its versatility.
• Low power consumption: The INA250A1PWR consumes minimal power, minimizing energy wastage.
• Fast response time: It offers a quick response to changes in current, enabling real-time monitoring.

Advantages and Disadvantages

Advantages

• Accurate current measurement
• Wide input voltage range
• Low power consumption
• Compact package size
• Built-in protection features

Disadvantages

• Limited current measurement range (±80mA)
• Analog output interface may require additional circuitry for digital systems

Working Principles

The INA250A1PWR utilizes a precision amplifier and a shunt resistor to measure the voltage drop across the sense resistor. By converting this voltage into a proportional analog output, it accurately represents the current flowing through the system.

Detailed Application Field Plans

The INA250A1PWR finds applications in various fields, including:

1. Power management systems
2. Battery charging and monitoring
3. Motor control systems
4. Solar energy systems
5. Industrial automation

Detailed and Complete Alternative Models

1. INA219: Similar to the INA250A1PWR, it offers high-accuracy current sensing with an I2C interface.
2. ACS712: A Hall effect-based current sensor IC suitable for both AC and DC current measurements.
3. MAX471: Provides current sensing capabilities with a wide input voltage range and digital output interface.

These alternative models offer similar functionalities and can be considered as alternatives to the INA250A1PWR based on specific application requirements.

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