MAX4372TESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX4372TESA+ is a precision, high-side current-sense amplifier designed for use in various applications that require accurate current measurements.

Characteristics: - High accuracy - Low offset voltage - Wide input voltage range - Low quiescent current - Small package size

Package: The MAX4372TESA+ is available in a small 8-pin surface-mount package.

Essence: This current-sense amplifier provides precise and reliable current measurements in a compact form factor.

Packaging/Quantity: The MAX4372TESA+ is typically sold in reels of 250 units.

Specifications

• Supply Voltage Range: 2.7V to 28V
• Input Common-Mode Voltage Range: -0.3V to +28V
• Quiescent Current: 60µA (typical)
• Gain Accuracy: ±0.5% (typical)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX4372TESA+ features the following pin configuration:

1. VCC: Supply voltage input
2. IN+: Positive input terminal for current sensing
3. IN-: Negative input terminal for current sensing
4. GND: Ground reference
5. OUT: Amplifier output
6. SET: Gain-setting resistor connection
7. NC: No connection
8. VREF: Reference voltage input

Functional Features

• High accuracy current sensing
• Wide input voltage range allows measurement in various systems
• Low offset voltage minimizes measurement errors
• Low quiescent current reduces power consumption
• Gain-setting resistor allows customization of gain

Advantages

• Precise and reliable current measurements
• Wide operating voltage range enables versatile applications
• Low power consumption for energy-efficient designs
• Compact package size for space-constrained applications

Disadvantages

• Limited to high-side current sensing only
• Requires an external gain-setting resistor for customization

Working Principles

The MAX4372TESA+ operates based on the principle of measuring the voltage drop across a sense resistor in series with the load. The amplifier amplifies this voltage drop and provides an output proportional to the current flowing through the load. By accurately measuring this amplified voltage, the current can be determined.

Detailed Application Field Plans

The MAX4372TESA+ finds applications in various fields, including but not limited to: 1. Power management systems 2. Battery charging and monitoring 3. Motor control systems 4. Overcurrent protection circuits 5. Current monitoring in industrial equipment

Alternative Models

1. INA219: A similar high-side current-sense amplifier with I2C interface.
2. LT6106: Precision current monitor with adjustable gain and shutdown mode.
3. AD8210: High common-mode voltage, bidirectional current-sense amplifier.

These alternative models offer similar functionality and can be considered as alternatives to the MAX4372TESA+ depending on specific requirements.

In conclusion, the MAX4372TESA+ is a precision high-side current-sense amplifier that offers accurate current measurements in a compact package. Its wide input voltage range, low offset voltage, and low power consumption make it suitable for various applications. However, it is important to note that it is limited to high-side current sensing and requires an external gain-setting resistor for customization.