Overview
The INA230AIRGTR, produced by Texas Instruments, is a 36-V, 16-bit, I²C output current, voltage, and power monitor with alert capabilities. This device is designed for precise monitoring of current, voltage, and power in various high-performance applications. It features high- or low-side sensing, allowing it to monitor both shunt voltage drops and bus supply voltage. The INA230 is powered from a single 2.7V to 5.5V supply and operates over a temperature range of –40°C to +125°C, making it versatile for different environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bus Voltage Sensing Range | 0V to 36V | V |
| Power Supply Operation | 2.7V to 5.5V | V |
| Supply Current (Typical) | 330µA | A |
| Gain Error (Maximum) | 0.3% | % |
| Offset Voltage (Maximum) | 25µV | V |
| ADC Resolution | 16 Bits | - |
| LSB Step Size (Shunt Voltage) | 2.5µV | V |
| LSB Step Size (Bus Voltage) | 1.25mV | V |
| Packages | 16-pin RGT (VQFN), 10-pin DGS (VSSOP) | - |
| Operating Temperature Range | –40°C to +125°C | °C |
Key Features
- High- or low-side sensing capability
- Current, voltage, and power reporting with high accuracy
- Configurable averaging options and programmable alert threshold
- I²C interface with 16 programmable addresses
- Programmable calibration value, conversion times, and averaging
- Internal multiplier for direct readouts of current in amperes and power in watts
- Low quiescent current: 330µA (typical)
- Shutdown mode with low leakage current: 0.5µA (typical)
Applications
- Rack servers
- Wireless infrastructure
- High-performance computing
- Power management systems
- Battery cell monitors and balancers
- Power supplies
- Test equipment
Q & A
- What is the voltage range for bus voltage sensing in the INA230?
The INA230 can sense bus voltages from 0V to 36V.
- What is the power supply voltage range for the INA230?
The INA230 operates with a power supply voltage range of 2.7V to 5.5V.
- What is the typical supply current of the INA230?
The typical supply current of the INA230 is 330µA.
- What is the maximum gain error of the INA230?
The maximum gain error of the INA230 is 0.3%.
- What is the maximum offset voltage of the INA230?
The maximum offset voltage of the INA230 is 25µV.
- What is the ADC resolution of the INA230?
The ADC resolution of the INA230 is 16 bits.
- What are the package options for the INA230?
The INA230 is available in 16-pin RGT (VQFN) and 10-pin DGS (VSSOP) packages.
- What is the operating temperature range of the INA230?
The INA230 operates over a temperature range of –40°C to +125°C.
- Does the INA230 support I²C and SMBus interfaces?
- Can the INA230 be configured for different measurement resolutions?
