MAX4372TEBT+TG45

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High accuracy, low offset voltage, wide input voltage range
• Package: TDFN-8 (Thin Dual Flat No-Lead)
• Essence: The MAX4372TEBT+TG45 is a current sense amplifier designed for precision current measurement in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Input Common Mode Voltage Range: -0.1V to +28V
• Output Voltage Swing: 0V to VCC-1.2V
• Gain Bandwidth Product: 500kHz
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX4372TEBT+TG45 has the following pin configuration:

1. IN-
2. IN+
3. GND
4. OUT
5. SET
6. REF
7. NC
8. VCC

Functional Features

• High accuracy current sensing
• Low offset voltage for precise measurements
• Wide input voltage range allows for versatile applications
• Adjustable gain through external resistor
• Built-in reference voltage generator
• Low quiescent current for power efficiency

Advantages and Disadvantages

Advantages

• High accuracy current sensing enables precise measurements
• Wide input voltage range accommodates various applications
• Low offset voltage ensures accurate readings
• Adjustable gain provides flexibility in different scenarios
• Low quiescent current minimizes power consumption

Disadvantages

• Limited output voltage swing may restrict certain applications
• Requires external resistor for gain adjustment

Working Principles

The MAX4372TEBT+TG45 operates as a current sense amplifier by measuring the voltage drop across a shunt resistor in series with the load. It amplifies this small voltage signal and provides an output proportional to the current flowing through the load. The built-in reference voltage generator ensures accurate measurements, while the adjustable gain allows customization based on specific requirements.

Detailed Application Field Plans

The MAX4372TEBT+TG45 finds applications in various fields, including:

1. Power management systems
2. Battery monitoring and charging circuits
3. Motor control systems
4. Current monitoring in industrial equipment
5. Overcurrent protection circuits
6. LED lighting control

Detailed and Complete Alternative Models

1. INA219 - High-side current/power monitor with I2C interface
2. LT6105 - Precision high-side current sense amplifier
3. AD8210 - Wide common-mode range current shunt monitor
4. ACS712 - Hall effect-based linear current sensor
5. MAX4080 - Precision high-side current-sense amplifier

These alternative models offer similar functionality and can be considered based on specific application requirements.

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