Texas Instruments

INA141UA/2K5

The INA141UA/2K5 is a high-side current shunt monitor from Texas Instruments. It is designed to measure the current flowing through a high-side shunt resistor with high accuracy and low power consumption.

Description:

The INA141UA/2K5 is a monolithic, precision current shunt monitor that can be used in a wide range of applications, including battery monitoring, motor control, and power management. It features a high-side current sensing input, which allows it to measure the current flowing through a shunt resistor connected to the positive supply voltage. The device includes an internal 12-bit ADC, which provides high-resolution measurements with a typical accuracy of ±0.05%.

Features:

• High-side current sensing input
• Wide supply voltage range: 2.7V to 5.5V
• Low power consumption: 190µA typical
• 12-bit ADC with 0.05% typical accuracy
• Programmable gain amplifier (PGA) with selectable gain settings
• I2C and SMBus compatible communication interface
• Alert pin for overcurrent detection
• Small, 16-pin TSSOP package

Applications:

• Battery monitoring systems
• Motor control applications
• Power management and energy harvesting systems
• Solar panel monitoring
• Electric vehicle charging systems
• Industrial control systems

The INA141UA/2K5 is a versatile and accurate current shunt monitor that can be used in a wide range of applications where precise current measurement is required. Its high-side sensing input and low power consumption make it an ideal choice for battery-powered and energy-sensitive applications.