INA220AIDGST

Product Overview

Category: Integrated Circuit (IC)
Use: Current/Power Monitor
Characteristics:
- High accuracy current and power monitoring
- Wide input voltage range
- Small package size
- Low power consumption
Package: 8-pin VSSOP
Essence: The INA220AIDGST is a high-precision, bi-directional current/power monitor IC designed for a wide range of applications.
Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

Supply Voltage Range: 2.7V to 5.5V
Operating Temperature Range: -40°C to +125°C
Current Measurement Range: ±1.2A
Voltage Measurement Range: 0V to 26V
Accuracy: ±0.1% (typical)
Interface: I2C/SMBus compatible

Pin Configuration

The INA220AIDGST features an 8-pin VSSOP package with the following pin configuration:

V+
V-
SDA (I2C Data)
SCL (I2C Clock)
ALERT
NC (No Connection)
GND
OUT

Functional Features

Bi-directional current sensing
Programmable calibration
Configurable averaging options
Overvoltage and undervoltage detection
Alert functionality for fault detection
Power-on reset and reset-to-zero functionality

Advantages

High accuracy measurement
Wide input voltage range allows for versatile applications
Small package size enables space-constrained designs
Low power consumption for energy-efficient operation
Flexible calibration and averaging options for customization
Built-in protection features enhance system reliability

Disadvantages

Limited current measurement range (±1.2A)
Requires I2C/SMBus interface for communication
Not suitable for high-power applications

Working Principles

The INA220AIDGST utilizes a shunt resistor to measure the voltage drop across it, which is proportional to the current flowing through the load. This voltage is amplified and converted into a digital value using an internal ADC. The IC also measures the input voltage to calculate power consumption. The measured values can be accessed via the I2C/SMBus interface.

Application Field Plans

The INA220AIDGST finds applications in various fields, including:

Battery management systems
Power supplies and converters
Solar energy systems
Motor control and drives
Industrial automation
Internet of Things (IoT) devices
Energy monitoring systems

Alternative Models

INA219AIDR: Similar functionality with a lower current measurement range (±0.4A).
INA226AIDGSR: Higher accuracy and extended voltage measurement range (up to 36V).
MAX471ESA+: Current sense amplifier with adjustable gain and higher current measurement range (±3A).

These alternative models offer different specifications and features to suit specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací INA220AIDGST v technických řešeních

Sure! Here are 10 common questions and answers related to the application of INA220AIDGST in technical solutions:

Q: What is the INA220AIDGST?
A: The INA220AIDGST is a high-side current/power monitor with an I2C interface, used for accurate measurement of voltage, current, and power in various applications.
Q: How does the INA220AIDGST work?
A: The INA220AIDGST uses a shunt resistor to measure the voltage drop across it, which is proportional to the current flowing through the load. It then converts this voltage into a digital value using an internal ADC.
Q: What is the maximum current that the INA220AIDGST can measure?
A: The INA220AIDGST can measure currents up to ±5A.
Q: Can the INA220AIDGST measure both AC and DC currents?
A: Yes, the INA220AIDGST can measure both AC and DC currents.
Q: What is the accuracy of the INA220AIDGST?
A: The INA220AIDGST has a typical accuracy of ±0.1% for voltage and current measurements.
Q: Can the INA220AIDGST measure power consumption?
A: Yes, the INA220AIDGST can measure power consumption by multiplying the measured current with the voltage across the load.
Q: Does the INA220AIDGST require an external power supply?
A: Yes, the INA220AIDGST requires a separate power supply for its operation.
Q: Can the INA220AIDGST be used in battery-powered applications?
A: Yes, the INA220AIDGST can be used in battery-powered applications as long as a suitable power supply is provided.
Q: Is the INA220AIDGST compatible with microcontrollers?
A: Yes, the INA220AIDGST has an I2C interface, making it compatible with most microcontrollers.
Q: What are some common applications of the INA220AIDGST?
A: The INA220AIDGST is commonly used in applications such as power management, battery monitoring, motor control, solar inverters, and energy harvesting systems.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.