INA169QPWRG4Q1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide input voltage range
• Package: TSSOP-16
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and Reel, 2500 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 (typical)
• Gain Accuracy: ±0.5% (maximum)
• Bandwidth: 200kHz (typical)

Pin Configuration

The INA169QPWRG4Q1 has a total of 16 pins arranged as follows:

```

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| | | U1 | |_______________________|

Pin Configuration:

    1  NC
    2  IN+
    3  IN-
    4  REF
    5  GND
    6  OUT
    7  VCC
    8  NC
    9  NC
   10  NC
   11  NC
   12  NC
   13  NC
   14  NC
   15  NC
   16  NC

```

Functional Features

• Measures current flowing through a shunt resistor
• Provides a differential voltage output proportional to the current
• High accuracy and low offset voltage ensure precise measurements
• Wide input voltage range allows for versatile applications
• Low quiescent current minimizes power consumption

Advantages and Disadvantages

Advantages

• High accuracy measurements
• Wide input voltage range
• Low offset voltage
• Low power consumption

Disadvantages

• Limited number of pins for additional functionality
• Requires an external shunt resistor for current sensing

Working Principles

The INA169QPWRG4Q1 is a current shunt monitor that operates based on the principle of measuring the voltage drop across a shunt resistor. It utilizes a precision amplifier to amplify the small voltage developed across the shunt resistor due to the current flowing through it. The amplified voltage is then provided as a differential output, which can be further processed or measured.

Detailed Application Field Plans

The INA169QPWRG4Q1 finds applications in various fields where accurate current monitoring is required. Some of the detailed application field plans include:

1. Battery Management Systems: Monitoring current flow in battery charging and discharging processes.
2. Power Supplies: Ensuring precise current measurement in power supply circuits.
3. Motor Control: Monitoring motor currents for control and protection purposes.
4. Solar Energy Systems: Tracking and optimizing current flow in solar panels.
5. Automotive Electronics: Current monitoring in automotive systems such as electric vehicles and hybrid cars.

Detailed and Complete Alternative Models

1. INA138P - Current Shunt Monitor with similar specifications and package.
2. INA180A - High-Side Measurement Current Shunt Monitor with extended input voltage range.
3. INA240A - Bidirectional Zero-Drift Current Shunt Monitor with higher gain accuracy.

These alternative models offer similar functionalities and can be considered as alternatives to the INA169QPWRG4Q1 depending on specific requirements.

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