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INA169NA/250G4

Current shunt monitor for accurate monitoring

Inventory:7,331

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Overview of 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.

Equivalent

For similar functionalities, consider these alternatives to the INA169NA/250G4:

  • INA196: This is a high-side current shunt monitor IC from Texas Instruments, offering similar precision and performance characteristics.
  • MAX4372: Another high-precision current-sense amplifier IC that provides accurate current monitoring and voltage output proportional to the current.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Current & Power Monitors & Regulators RoHS Details
Product Current Monitors Sensing Method High Side
Supply Voltage - Max 60 V Supply Voltage - Min 2.7 V
Operating Supply Current 125 uA Accuracy 0.5 %
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Mounting Style SMD/SMT Package / Case SOT-23-5
Bandwidth 4400 kHz Brand Texas Instruments
Development Kit BQ24610EVM-603 Features Current Output
Gain 1 V/V to 100 V/V Ib - Input Bias Current 10 uA
Input Voltage Range 2.7 V to 60 V Moisture Sensitive Yes
Product Type Current & Power Monitors & Regulators Series INA169
Factory Pack Quantity 250 Subcategory PMIC - Power Management ICs
Vos - Input Offset Voltage 1 mV Unit Weight 0.027161 oz

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packageimg

INA169NA/250G4

Current shunt monitor for accurate monitoring

Inventory:

7,331