Overview
The INA220AIDGSR, produced by Texas Instruments, is a high- or low-side, bidirectional current and power monitor. This device is designed to provide accurate measurements of current, voltage, and power in various electronic systems. It features an I2C- or SMBUS-compatible interface, making it versatile for integration into different applications. The INA220AIDGSR is available in two grades: A and B, with the B grade offering higher accuracy and precision specifications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3 to 5.5 | V |
| Maximum Supply Current | 1 | mA |
| Operating Temperature Range | -40 to 125 | °C |
| Bus Voltage Range | 0 to 26 | V |
| Accuracy (INA220B) | ±0.5% | - |
| Interface Type | I2C or SMBUS | - |
| Interface Speed | Up to 2.56 MHz | - |
| Programmable Addresses | 16 | - |
| Package Type | VSSOP-10 | - |
Key Features
- High- or low-side sensing capability
- Senses bus voltages from 0 V to 26 V
- Reports current, voltage, and power
- 16 programmable addresses for I2C or SMBUS interface
- User-programmable calibration
- Fast I2C or SMBUS interface up to 2.56 MHz
- VSSOP-10 package
- High accuracy: ±0.5% (maximum) over temperature for INA220B
Applications
- Servers
- Telecom equipment
- Notebook computers
- Power management systems
- Battery chargers
- Automotive systems
- Power supplies
- Test equipment
Q & A
- What is the INA220AIDGSR used for?
The INA220AIDGSR is used for monitoring current, voltage, and power in electronic systems.
- What are the supply voltage and current requirements of the INA220AIDGSR?
The device operates with a supply voltage range of 3 to 5.5 V and draws a maximum of 1 mA of supply current.
- What is the operating temperature range of the INA220AIDGSR?
The INA220AIDGSR operates from -40°C to 125°C.
- What types of interfaces does the INA220AIDGSR support?
The INA220AIDGSR supports I2C and SMBUS interfaces.
- How many programmable addresses does the INA220AIDGSR have?
The INA220AIDGSR has 16 programmable addresses.
- What is the accuracy of the INA220B grade?
The INA220B grade has an accuracy of ±0.5% (maximum) over temperature.
- Can the INA220AIDGSR be used for both high-side and low-side sensing?
- What package type is the INA220AIDGSR available in?
The INA220AIDGSR is available in a VSSOP-10 package.
- What are some common applications of the INA220AIDGSR?
- Does the INA220AIDGSR require special power-supply sequencing?
No, the INA220AIDGSR does not require special considerations for power-supply sequencing.
