Texas Instruments

INA4181A2QPWRQ1

The INA4181A2QPWRQ1 is a high-precision, low-power, bidirectional energy monitoring IC from Texas Instruments. It is designed to measure both the current and voltage of a system, allowing for accurate energy consumption calculations.

Description:

The INA4181A2QPQR1 is a monolithic, precision current and power monitor that combines a precision shunt amplifier with a precision sigma-delta modulator. It is available in a compact 10-lead WQFN package and is designed for use in a wide range of applications, including battery-powered systems, energy harvesting systems, and power supplies.

Features:

• Bidirectional current measurement with high accuracy
• Wide input voltage range (0V to 28V)
• Low power consumption (typical 2.5uA in normal operation)
• Programmable gain (1, 5, 20, 80)
• Wide bandwidth (up to 100kHz)
• I2C and power-down modes for easy integration
• Short-circuit protection and alert pin
• Wide operating temperature range (-40°C to +125°C)

Applications:

• Battery-powered systems (smartphones, laptops, IoT devices)
• Energy harvesting systems (solar panels, thermoelectric generators)
• Power supplies (DC-DC converters, AC-DC converters)
• Electric vehicles (battery management systems, charging systems)
• Industrial control systems (motor drives, power distribution)
• Renewable energy systems (wind turbines, solar inverters)

In summary, the INA4181A2QPWRQ1 is a versatile and accurate energy monitoring IC that is well-suited for a wide range of applications where precise measurement of current, voltage, and power is required. Its low power consumption and wide input voltage range make it an ideal choice for battery-powered and energy-harvesting applications.