INA169NA/250

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics:
  • High accuracy current sensing
  • Wide common-mode voltage range
  • Low quiescent current
  • Small package size
• Package: SOIC-8
• Essence: The INA169NA/250 is a high-side current shunt monitor IC that provides accurate current measurements in various applications.
• Packaging/Quantity: Available in tape and reel packaging, with 250 units per reel.

Specifications

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

Pin Configuration

The INA169NA/250 has a total of 8 pins arranged as follows:

```

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| | | U1 | |___________|

Pin Configuration:

  1. V+
  2. V-
  3. OUT
  4. REF
  5. NC
  6. GND
  7. SET
  8. NC

```

Functional Features

• High Accuracy: The INA169NA/250 offers precise current sensing with a gain error of only ±0.5%.
• Wide Common-Mode Voltage Range: It can handle common-mode voltages ranging from -0.3V to V+ + 0.3V, making it suitable for various applications.
• Low Quiescent Current: With a typical quiescent current of only 60µA, it minimizes power consumption.
• Small Package Size: The SOIC-8 package allows for compact designs and easy integration into existing circuits.

Advantages and Disadvantages

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

Disadvantages: - Limited to high-side current sensing applications - Requires external components for proper operation

Working Principles

The INA169NA/250 operates based on the principle of measuring the voltage drop across a shunt resistor in series with the load. By amplifying this voltage drop, it accurately represents the current flowing through the load. The gain of the amplifier can be set using an external resistor connected to the SET pin.

Detailed Application Field Plans

The INA169NA/250 is commonly used in various applications that require accurate current measurements, such as:

1. Battery Management Systems
2. Power Supplies
3. Motor Control
4. Solar Energy Systems
5. Industrial Automation

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA169NA/250 are:

1. INA169-Q1: Automotive Grade Current Shunt Monitor IC with enhanced ESD protection.
2. INA180: High-Side Bi-Directional Zero-Drift Current Sense Amplifier with higher accuracy.
3. MAX4080S: Precision High-Side Current-Sense Amplifier with integrated overvoltage protection.

These alternative models provide options with different features and specifications to suit specific application requirements.

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