Product Overview: LMP8481MMX-H/NOPB

The LMP8481MMX-H/NOPB is a precision, high-voltage, bidirectional current-sense amplifier from Texas Instruments. Designed to accurately measure current across shunt resistors over a wide range of common-mode voltages, this device is ideal for a variety of applications such as power management, battery charging, and motor control systems. The LMP8481MMX-H/NOPB offers a versatile solution for current monitoring in both industrial and automotive environments.

Key Features

• Wide Common-Mode Voltage Range: Capable of sensing across a common-mode voltage range from 4.5 V to 76 V, the LMP8481MMX-H/NOPB can be used in systems with high supply voltages without additional level-shifting circuitry.
• Variable Gain Options: The amplifier provides a fixed gain of 20 V/V, giving designers the flexibility to select the appropriate shunt resistor value for their application.
• High Accuracy: With a maximum input offset voltage of ±200 µV and a gain error of ±0.75%, this amplifier ensures precise current measurement, which is critical for efficient system performance.
• Bidirectional Sensing: The ability to measure current in both directions makes the LMP8481MMX-H/NOPB suitable for applications that require charge and discharge current monitoring, such as battery management systems.
• Robust Protection Features: The device includes overvoltage protection up to 100 V for the input pins, safeguarding the amplifier against transient events and enhancing system reliability.
• Small Package: Housed in a compact 8-pin VSSOP package, the LMP8481MMX-H/NOPB minimizes the footprint on printed circuit boards, making it a space-efficient choice for dense designs.

Applications

The LMP8481MMX-H/NOPB's robust feature set and high-voltage capability make it well-suited for a broad range of applications, including:

• Automotive battery monitoring
• Overcurrent and undercurrent detection
• Power supply monitoring
• Motor control feedback
• Solar power inverters
• Industrial monitoring and control systems

With its precision measurement capabilities and durable design, the LMP8481MMX-H/NOPB from Texas Instruments stands out as a reliable and efficient solution for current-sensing applications across various industries.