INA169NA/250G4

The INA169NA/250G4 is a high-side current shunt monitor IC that provides a voltage output proportional to the current flowing through a shunt resistor. This IC is designed for precision monitoring of the current in power management and battery charging applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• V+ : Power Supply Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the INA169NA/250G4 IC for a visual representation.

Key Features

• High Accuracy: The INA169NA/250G4 offers high-precision current monitoring, making it suitable for critical power management applications.
• Wide Input Voltage Range: This IC can handle input voltages from 2.7V to 40V, providing flexibility in various power supply configurations.
• Low Offset Voltage: With low offset voltage, the IC ensures accurate current measurements even at low currents.
• Temperature Stability: The INA169NA/250G4 maintains stable performance over a wide temperature range, ensuring reliable operation in different environmental conditions.
• Small Package: Available in a small SOT-23 package, enabling compact and space-efficient PCB design.

Note: For detailed technical specifications, please refer to the INA169NA/250G4 datasheet.

Application

• Power Management: Ideal for monitoring current in power supply systems, battery charging circuits, and voltage regulators.
• Energy Harvesting: Suitable for use in energy harvesting applications to monitor current flow from renewable energy sources.
• Industrial Automation: Used in industrial automation systems for monitoring and control of power consumption.

Functionality

The INA169NA/250G4 provides precise high-side current monitoring by converting the differential input voltage to a proportional output voltage, enabling accurate current measurements in various power management applications.

Usage Guide

• Power Supply: Connect V+ (Pin 1) to the positive power supply and -VS (Pin 3) to the negative supply or ground.
• Shunt Connection: Connect +IN (Pin 2) and -IN (Pin 7) to the shunt resistor for current sensing.
• Output Connection: Use OUT (Pin 4) to interface with the ADC or measurement circuit for voltage output.

Frequently Asked Questions

Q: What is the input voltage range supported by the INA169NA/250G4?
A: The INA169NA/250G4 can handle input voltages from 2.7V to 40V, allowing for versatile applications in power management systems.

Q: Is the INA169NA/250G4 suitable for high-precision current monitoring?
A: Yes, the INA169NA/250G4 is designed to provide high-precision current monitoring, making it ideal for critical power management and battery charging applications.