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INA220AIDGSR

26V voltage monitor

Quantity Unit Price(USD) Ext. Price
1 $0.899 $0.90
10 $0.750 $7.50
30 $0.670 $20.10
100 $0.577 $57.70
500 $0.536 $268.00
1000 $0.518 $518.00

Inventory:3,800

*The price is for reference only.
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Overview of INA220AIDGSR

The INA220AIDGSR is a high-side current and power monitor IC with an I2C interface that provides accurate monitoring of current, voltage, and power in various systems. This IC offers high precision and programmable calibration, making it ideal for applications requiring precise power measurements.

Pinout

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

  • ADDR: I2C Address Select
  • V+ : Positive Power Supply
  • V- : Negative Power Supply
  • VBUS : Voltage Sense Input
  • VSHUNT : Shunt Voltage Sense Input
  • PCTL: Programmable Control Input
  • ALERT : Alert Output Pin
  • SCL : I2C Serial Clock
  • SDA : I2C Serial Data

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the INA220AIDGSR IC for a visual representation.

Key Features

  • High Accuracy Monitoring: The INA220AIDGSR offers high precision monitoring of current, voltage, and power with an accuracy of ±0.5%.
  • Programmable Calibration: Users can calibrate the IC for current and voltage measurements, allowing for accurate readings in different applications.
  • I2C Interface: The built-in I2C interface enables easy interfacing with microcontrollers for data readout and configuration.
  • Wide Input Voltage Range: Operates with a wide input voltage range from 2.7V to 5.5V, suitable for various power monitoring applications.
  • Alert Function: The device features an alert pin for overcurrent or undervoltage conditions, providing system protection.

Note: For detailed technical specifications, please refer to the INA220AIDGSR datasheet.

Application

  • Power Management Systems: Ideal for monitoring current and power consumption in power management systems.
  • Battery Management: Suitable for battery monitoring applications to track charging and discharging currents.
  • Industrial Automation: Used in industrial automation systems for monitoring equipment power usage and efficiency.

Functionality

The INA220AIDGSR is designed to accurately monitor current and power levels in a wide range of systems, providing essential data for efficient power management and system protection.

Usage Guide

  • Power Supply: Connect V+ (Pin 2) to the positive power supply and V- (Pin 3) to the negative power supply.
  • Current Measurement: Connect the shunt resistor between VBUS (Pin 4) and VSHUNT (Pin 5) for accurate current monitoring.
  • Communication: Utilize the I2C interface (SCL and SDA pins) to communicate with the IC for data retrieval and configuration.

Frequently Asked Questions

Q: What is the accuracy of the current measurement with the INA220AIDGSR?
A: The INA220AIDGSR offers a high accuracy of ±0.5% for current monitoring applications.

Q: Is the INA220AIDGSR suitable for low-power systems?
A: Yes, the INA220AIDGSR operates with a wide input voltage range and low power consumption, making it suitable for low-power applications requiring current and power monitoring.

Equivalent

For similar functionalities, consider these alternatives to the INA220AIDGSR:

  • INA219: A similar high-side current sensor with an I2C interface for accurate power monitoring in different applications.
  • LTC2941: This IC offers power, current, and voltage monitoring with an I2C interface and high accuracy for precise measurements.

Specifications

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

Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) 0
Input offset (±) (max) (µV) 50, 100 Input offset drift (±) (max) (µV/°C) 0.5
Input offset drift (±) (typ) (µV/°C) 0.16 Voltage gain (V/V) 0.125, 0.25, 0.5, 1
CMRR (min) (dB) 120 Bandwidth (kHz) 5.5
Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3
Iq (max) (mA) 1 Digital interface I2C, SMBus
Gain error (%) 0.3, 0.5 Gain error drift (±) (max) (ppm/°C) 83, 167
Features Bidirectional, Intergrated Power Monitor, Low-side Capable, Programmable Gain Number of channels 1
Resolution (Bits) 12 Power measurement accuracy (%) 0.8, 1
Rating Catalog Operating temperature range (°C) -40 to 125

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