INA170EA/250

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide supply voltage range
• Package: SOT-23-5
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

• Supply Voltage Range: 2.7V to 36V
• Input Common Mode Voltage Range: -0.3V to V+ + 0.3V
• Output Voltage Swing: Rail-to-Rail
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 200kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA170EA/250 has a total of 5 pins:

1. V+: Positive Supply Voltage
2. V-: Negative Supply Voltage
3. REF: Reference Voltage Output
4. OUT: Amplifier Output
5. IN-: Current Sense Input

Functional Features

• High accuracy current sensing
• Low offset voltage for precise measurements
• Wide supply voltage range allows flexibility in various applications
• Rail-to-rail output swing for maximum dynamic range
• Low quiescent current minimizes power consumption
• High gain bandwidth product enables accurate current monitoring even at high frequencies

Advantages and Disadvantages

Advantages

• High accuracy current monitoring
• Wide supply voltage range
• Rail-to-rail output swing
• Low quiescent current

Disadvantages

• Limited gain bandwidth product compared to some alternative models
• SOT-23-5 package may not be suitable for all applications

Working Principles

The INA170EA/250 is designed to monitor current flowing through a shunt resistor. It utilizes a precision amplifier to measure the voltage drop across the shunt resistor and provides an amplified output proportional to the current. The device operates by amplifying the small voltage difference between the IN- and REF pins, which is then converted into a measurable current value.

Detailed Application Field Plans

The INA170EA/250 is commonly used in various applications that require accurate current monitoring, such as:

1. Battery management systems
2. Power supply monitoring
3. Motor control systems
4. Solar power systems
5. Industrial automation

Detailed and Complete Alternative Models

1. INA169: Similar functionality with lower gain bandwidth product
2. INA180: Higher gain bandwidth product with additional features
3. INA193: Lower quiescent current with similar accuracy

These alternative models offer different trade-offs in terms of performance and features, allowing users to choose the most suitable option for their specific application requirements.

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