The INA134UA/2K5 is a precision current shunt monitor from Texas Instruments. It is designed to measure small currents with high accuracy and low power consumption. Here is a description of the INA134UA/2K5, including its features and applications:
Description:
The INA134UA/2K5 is a monolithic, precision current shunt monitor that is specifically designed for low-side current sensing applications. It incorporates a precision shunt amplifier, a temperature-compensated bandgap reference, and a 13-bit ADC to provide accurate and reliable current measurements.
Features:
- High accuracy: The INA134UA/2K5 offers excellent accuracy with a maximum current accuracy of ±0.5% and a maximum voltage accuracy of ±0.05%.
- Low power consumption: The device operates with a low power consumption of typically 175µA, making it suitable for battery-powered applications.
- Wide input voltage range: The INA134UA/2K5 can operate with input voltages from 2.7V to 5.5V, making it compatible with a wide range of power supply voltages.
- Programmable gain: The device features a programmable gain amplifier (PGA) that allows for flexible current range selection, with gain settings from 1 to 128.
- I2C interface: The INA134UA/2K5 uses an I2C digital interface for easy integration with microcontrollers and other digital systems.
- Small package size: The device is available in a small, 10-pin WSON package, making it suitable for space-constrained applications.
Applications:
The INA134UA/2K5 is well-suited for a variety of applications that require precise current monitoring, including:
- Battery monitoring: The device can be used to monitor the current consumption of batteries in portable devices, helping to extend battery life and improve overall system efficiency.
- Power management: The INA134UA/2K5 can be used in power management systems to monitor and control the current supplied to various loads, improving system efficiency and reliability.
- Motor control: In motor control applications, the device can be used to monitor the current flowing through the motor windings, providing feedback for closed-loop control and protection.
- Energy harvesting: The INA134UA/2K5 can be used to monitor the current generated by energy harvesting systems, such as solar panels or thermoelectric generators, allowing for efficient energy management.
- Medical equipment: The device can be used in medical equipment to monitor the current supplied to various components, ensuring safe and reliable operation.
In summary, the INA134UA/2K5 is a versatile and accurate current shunt monitor from Texas Instruments that offers high precision, low power consumption, and a wide input voltage range. It is suitable for a variety of applications, including battery monitoring, power management, motor control, energy harvesting, and medical equipment.