MAX4372FEBT+G45

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High precision, low offset voltage, wide input voltage range
• Package: 6-WLP (1.5mm x 1.5mm)
• Essence: The MAX4372FEBT+G45 is a current sense amplifier designed for accurate measurement of small differential voltages in the presence of high common-mode voltages.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.3V to +28V
• Differential Input Voltage Range: ±140mV
• Offset Voltage: ±150µV (maximum)
• Gain Error: ±0.1% (maximum)
• Bandwidth: 500kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX4372FEBT+G45 has a 6-WLP package with the following pin configuration:

___________ | | IN-|1 6|+IN GND-|2 5|OUT VS-|3 4|REF |___________|

Functional Features

• High accuracy current sensing
• Wide input voltage range
• Low offset voltage
• Rail-to-rail output swing
• Low quiescent current
• Enable/disable feature for power saving

Advantages and Disadvantages

Advantages

• Accurate measurement of small differential voltages
• Suitable for high common-mode voltage applications
• Wide operating temperature range
• Low power consumption

Disadvantages

• Limited differential input voltage range
• Higher cost compared to some alternative models

Working Principles

The MAX4372FEBT+G45 is based on a current sense amplifier architecture. It utilizes a precision operational amplifier to amplify the small differential voltage across a shunt resistor, allowing accurate measurement of current flow. The device operates over a wide input voltage range and provides high accuracy even in the presence of high common-mode voltages.

Detailed Application Field Plans

The MAX4372FEBT+G45 is commonly used in various applications that require accurate current sensing. Some of the typical application fields include:

1. Power management systems
2. Battery monitoring and charging circuits
3. Motor control systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. INA219: Current Shunt Monitor with I2C Interface
2. LTC6101: High-Side Current Sense Amplifier
3. AD8210: High Common-Mode Voltage Current Shunt Monitor
4. MAX4080: Precision High-Side Current Sense Amplifier
5. MCP6V01: Zero-Drift Operational Amplifier with Programmable Gain

These alternative models offer similar functionality and can be considered as substitutes for the MAX4372FEBT+G45 depending on specific requirements and constraints.

In conclusion, the MAX4372FEBT+G45 is a highly accurate current sense amplifier suitable for various applications. Its wide input voltage range, low offset voltage, and rail-to-rail output swing make it an excellent choice for precise current measurements in the presence of high common-mode voltages. However, its limited differential input voltage range and relatively higher cost should be taken into consideration when selecting the appropriate amplifier for a particular application.