Texas Instruments

INA333AIDRGR  

OP Amps, Buffer Amps ICs

The INA333AIDRGR is a precision current shunt monitor from Texas Instruments (TI). It is a low-side current shunt amplifier that is designed to measure small currents with high accuracy and precision. Here is a description of the INA333AIDRGR, its features, and potential applications:

Description:

The INA333AIDRGR is a monolithic integrated circuit that provides a precise and accurate current measurement solution. It is designed to be used with low-side current shunts and offers a high-side output voltage proportional to the current flowing through the shunt. The device features a high input impedance, low output offset voltage, and low thermal drift, making it ideal for a wide range of current sensing applications.

Features:

1. High Accuracy: The INA333 offers excellent accuracy and precision, with a typical accuracy of ±0.5% and a precision of ±0.1% of the reading.
2. Low Input Offset Voltage: The device has a low input offset voltage of typically 50µV, which contributes to its high accuracy.
3. Low Drift: The INA333 has a low temperature drift of typically 50ppm/°C, which ensures stable performance over a wide temperature range.
4. Wide Supply Voltage Range: It operates from a supply voltage range of 2.7V to 5.5V, making it suitable for various power supply configurations.
5. Programmable Gain: The gain can be programmed using an external resistor, allowing for flexibility in current measurement ranges.
6. High Input Impedance: This minimizes the loading effect on the current shunt, ensuring accurate measurements.
7. Small Package: The INA333AIDRGR comes in a small 10-lead WSON package, which is suitable for space-constrained applications.
8. Robustness: It features over-voltage protection, reverse battery protection, and thermal shutdown for robust operation.

Applications:

1. Battery Management Systems (BMS): For monitoring the current flow in and out of batteries, which is critical for maintaining the health and longevity of the battery.
2. Energy Harvesting Systems: To measure the energy harvested from various sources like solar panels, thermoelectric generators, or vibration energy harvesters.
3. Power Supplies: For monitoring the output current of power supplies to ensure they are operating within specified limits.
4. Motor Control: To measure the current drawn by motors in applications like robotics, drones, or industrial automation.
5. Electric Vehicles (EVs): For monitoring the current in the charging and propulsion systems of electric vehicles.
6. Medical Equipment: In devices that require precise current monitoring, such as defibrillators or insulin pumps.
7. Smart Grid and Renewable Energy Systems: For measuring and managing the flow of current in smart grid and renewable energy applications.

The INA333AIDRGR is a versatile and accurate current sensing solution that can be integrated into a wide range of applications where precise current measurement is essential.

INA333AIDRGR Documents

Download datasheets and manufacturer documentation for INA333AIDRGR

Datasheets :

INA333      

HTML Datasheet :

INA333