LMP8640HVMKX-H/NOPB

Product Overview

Category

The LMP8640HVMKX-H/NOPB belongs to the category of high-voltage, high-side current sense amplifiers.

Use

It is used for precise current measurement in high-voltage applications such as automotive, industrial, and power management systems.

Characteristics

• High accuracy
• Wide input voltage range
• Low offset voltage
• Low quiescent current
• High common-mode rejection ratio (CMRR)

Package

The LMP8640HVMKX-H/NOPB is available in a small, leadless WSON package, making it suitable for space-constrained applications.

Essence

The essence of the LMP8640HVMKX-H/NOPB lies in its ability to provide accurate current sensing in high-voltage environments, contributing to efficient and reliable system operation.

Packaging/Quantity

The product is typically supplied in reels with a specific quantity per reel, as specified by the manufacturer.

Specifications

• Input Voltage Range: 4V to 76V
• Quiescent Current: 60µA
• Gain Bandwidth Product: 1.2MHz
• Offset Voltage: ±150µV
• CMRR: 120dB
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LMP8640HVMKX-H/NOPB features a standard pin configuration with pins for power supply, input, output, and ground connections. Refer to the datasheet for the detailed pinout diagram.

Functional Features

• High-side current sensing
• Overvoltage protection
• Reverse battery protection
• Thermal shutdown protection
• Wide input voltage range

Advantages and Disadvantages

Advantages

• High accuracy in high-voltage environments
• Low power consumption
• Robust protection features
• Small form factor

Disadvantages

• Limited maximum input voltage compared to some specialized high-voltage amplifiers
• Higher cost compared to lower voltage range current sense amplifiers

Working Principles

The LMP8640HVMKX-H/NOPB operates based on the principle of measuring the voltage across a shunt resistor in the high-side of the circuit to accurately determine the current flow. It utilizes precision amplification and protection circuitry to ensure reliable and accurate current measurements in high-voltage scenarios.

Detailed Application Field Plans

The LMP8640HVMKX-H/NOPB is well-suited for various applications including: - Battery management systems in electric vehicles - Motor control systems in industrial automation - Power supply monitoring in telecommunications infrastructure - Solar inverters and energy storage systems

Detailed and Complete Alternative Models

• LMP8640-Q1: Automotive-grade version with enhanced ESD protection
• LMP8640HVMK: Variant with different package options for flexibility in board design
• LMP8640HVMKX-LF: Lead-free version for compliance with environmental regulations

In conclusion, the LMP8640HVMKX-H/NOPB offers high-precision current sensing in high-voltage applications, making it an essential component in various industries where accurate current measurement is critical for system performance and safety.

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