Description

The LMP8481MM-T/NOPB is a precision high-side, bidirectional current sense amplifier from Texas Instruments. It is designed to monitor current through a shunt resistor in systems with high common-mode voltages, making it suitable for various applications such as motor control, power management, and battery monitoring.

🔧 Key Specifications

• Common-Mode Voltage Range: 4 V to 76 V

• Gain Options: 20 V/V, 60 V/V, or 100 V/V (factory-set)

• Bandwidth: 270 kHz

• Input Offset Voltage: Typically 80 µV

• Input Offset Drift: Typically 6 µV/°C

• Supply Voltage: 4.5 V to 76 V

• Quiescent Current: Typically 88 µA

• Operating Temperature Range: −40°C to +125°C

• Package: 8-pin VSSOP (DGK)

⚙️ Features

• Bidirectional Current Sensing: Capable of detecting current flow in both directions.

• High Common-Mode Voltage Tolerance: Suitable for high-side current sensing in systems with voltages up to 76 V.

• Low Offset and Drift: Ensures accurate current measurements over temperature variations.

• Wide Bandwidth: Supports fast transient response in dynamic systems.

• Low Quiescent Current: Minimizes power consumption in energy-sensitive applications.

📦 Applications

• Motor Control: Monitoring current in motor drivers and actuators.

• Power Management: Supervising current in power supplies and converters.

• Battery Monitoring: Tracking charge and discharge currents in battery-powered systems.

• Industrial Automation: Current sensing in various industrial control systems.

• Telecommunications: Managing power in telecom equipment.

📚 Resources

• Product Page: Texas Instruments LMP8481

• Datasheet: LMP8481 Datasheet (PDF)

If you need further assistance with design considerations, evaluation modules, or sourcing information, feel free to ask!