INA169NA/3KG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide input voltage range
• Package: SOT-23-5
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: 2.7V to 60V
• Input Common-Mode Voltage Range: -0.3V to +26V
• Output Voltage Swing: 0V to Vcc - 1.2V
• Quiescent Current: 60µA
• Gain Accuracy: ±0.5%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA169NA/3KG4 has a total of 5 pins in the SOT-23 package:

1. Pin 1: Shunt Input
2. Pin 2: Reference Voltage
3. Pin 3: Output
4. Pin 4: Ground
5. Pin 5: Supply Voltage

Functional Features

• Measures current by monitoring voltage across a shunt resistor
• Provides a high-accuracy output voltage proportional to the measured current
• Wide input voltage range allows for versatile applications
• Low offset voltage minimizes measurement errors
• Low quiescent current ensures power efficiency

Advantages and Disadvantages

Advantages

• High accuracy in current measurement
• Wide input voltage range enables compatibility with various systems
• Low offset voltage reduces measurement errors
• Low quiescent current ensures minimal power consumption

Disadvantages

• Limited output voltage swing may restrict certain applications
• Requires an external shunt resistor for current measurement

Working Principles

The INA169NA/3KG4 operates based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. The input voltage is applied across the shunt resistor, and the resulting voltage drop is amplified by the internal circuitry. The amplified voltage is then provided as an output proportional to the measured current.

Detailed Application Field Plans

The INA169NA/3KG4 finds applications in various fields where accurate current monitoring is required. Some potential application areas include:

1. Power management systems
2. Battery charging and discharging circuits
3. Motor control systems
4. Solar power systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. INA169NA/2K5: Similar specifications with a different gain accuracy of ±0.25%
2. INA169NA/1K: Similar specifications with a different gain accuracy of ±0.1%
3. INA169NA/10K: Similar specifications with a different gain accuracy of ±1%

These alternative models provide options with varying gain accuracies to suit specific application requirements.

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