INA302A3IPWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics:
  • High accuracy current sensing
  • Wide common-mode voltage range
  • Low offset voltage and drift
  • Small package size
• Package: TSSOP-8
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 18V
• Input Common-Mode Voltage Range: -0.1V to +26V
• Output Voltage Swing: 0V to Vcc - 1.2V
• Quiescent Current: 60µA
• Gain Error: ±0.5%
• Offset Voltage: ±100µV
• Bandwidth: 500kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA302A3IPWR has the following pin configuration:

```

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| | | GND | |___________| | | | V+ IN | |___________| | | | V- IN | |___________| | | | REF IN | |___________| | | | OUT | |___________| | | | V- SUP | |___________| | | | V+ SUP | |___________| | | | SET | |___________| ```

Functional Features

• Measures current with high accuracy
• Wide input voltage range allows for versatile applications
• Low offset voltage and drift ensure precise measurements
• Small package size enables space-saving designs

Advantages and Disadvantages

Advantages: - High accuracy current sensing - Wide common-mode voltage range - Low offset voltage and drift - Compact package size

Disadvantages: - Limited output voltage swing - Relatively high quiescent current

Working Principles

The INA302A3IPWR is a current shunt monitor that measures the voltage drop across a shunt resistor to determine the current flowing through it. It utilizes a precision amplifier to amplify the small voltage across the shunt resistor and provides an output voltage proportional to the measured current. The device operates by comparing the voltage at the REF IN pin with the amplified voltage across the shunt resistor. By accurately measuring the voltage drop, the current flowing through the shunt resistor can be determined.

Detailed Application Field Plans

The INA302A3IPWR is commonly used in various applications where accurate current monitoring is required. Some of the detailed application field plans include:

1. Power Management Systems: The device can be used in power management systems to monitor the current consumption of different components and optimize power usage.

2. Battery Management: In battery management systems, the INA302A3IPWR can be employed to measure the charging and discharging currents, ensuring efficient utilization of the battery.

3. Motor Control: The device finds application in motor control systems to monitor the current drawn by motors, enabling precise control and protection against overcurrent conditions.

4. Solar Power Systems: By monitoring the current generated by solar panels, the INA302A3IPWR helps optimize the efficiency of solar power systems.

5. Industrial Automation: The device can be utilized in industrial automation systems to monitor the current flowing through various equipment, ensuring safe and efficient operation.

Detailed and Complete Alternative Models

Some alternative models to the INA302A3IPWR that offer similar functionality are:

1. INA301A3IPWR
2. INA303A3IPWR
3. INA300A3IPWR
4. INA304A3IPWR

These models provide comparable accuracy, voltage range, and package options, allowing users to choose the most suitable option for their specific application requirements.

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