LT6105HMS8#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LT6105HMS8#TRPBF is a precision, high-side current sense amplifier designed for monitoring current in a wide range of applications. It provides accurate and reliable current measurements with low offset voltage and high common-mode rejection.

Characteristics: - High accuracy - Low offset voltage - High common-mode rejection ratio - Wide input voltage range - Low quiescent current

Package: The LT6105HMS8#TRPBF is available in an 8-pin MSOP package, which offers compact size and ease of integration into various circuit designs.

Essence: This IC is specifically designed to accurately measure current in high-side applications, making it suitable for use in power management systems, battery chargers, motor control circuits, and other similar applications.

Packaging/Quantity: The LT6105HMS8#TRPBF is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 36V
• Input Common-Mode Voltage Range: -0.3V to VCC + 0.3V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 1MHz (typical)
• Offset Voltage: ±200µV (maximum)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT6105HMS8#TRPBF features the following pin configuration:

```

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| | --| IN+ OUT |-- --| IN- GND |-- --| REF VCC |-- |___________| ```

Pin Descriptions: - IN+: Non-inverting input for current sensing - IN-: Inverting input for current sensing - OUT: Amplified output voltage proportional to the sensed current - REF: Reference voltage input for offset adjustment - GND: Ground connection - VCC: Supply voltage input

Functional Features

1. High Accuracy: The LT6105HMS8#TRPBF offers precise current measurements with low offset voltage, ensuring accurate monitoring of current in various applications.

2. Wide Input Voltage Range: It can handle a wide range of input voltages, allowing flexibility in different circuit designs.

3. Low Quiescent Current: The IC consumes minimal current during operation, reducing power consumption and enhancing energy efficiency.

4. High Common-Mode Rejection Ratio: The LT6105HMS8#TRPBF provides excellent rejection of common-mode noise, enabling accurate current measurements even in noisy environments.

Advantages and Disadvantages

Advantages: - High accuracy and precision - Wide input voltage range - Low quiescent current consumption - Excellent common-mode rejection ratio

Disadvantages: - Limited availability in certain package options - Relatively higher cost compared to some alternative models

Working Principles

The LT6105HMS8#TRPBF operates as a high-side current sense amplifier by measuring the voltage drop across a shunt resistor placed in series with the load. It amplifies this voltage drop and provides an output voltage proportional to the sensed current. The IC utilizes a differential amplifier configuration to achieve accurate current measurements while rejecting common-mode noise.

Detailed Application Field Plans

The LT6105HMS8#TRPBF finds extensive use in various applications, including:

1. Power Management Systems: It enables precise current monitoring in power supplies, DC-DC converters, and voltage regulators, ensuring efficient and reliable operation.

2. Battery Chargers: The IC facilitates accurate current measurement in battery charging circuits, allowing for optimal charging and protection against overcurrent conditions.

3. Motor Control Circuits: It provides reliable current sensing in motor control applications, enabling precise control of motor speed and torque.

4. Industrial Automation: The LT6105HMS8#TRPBF is suitable for current monitoring in industrial automation systems, such as robotics, process control, and instrumentation.

Detailed and Complete Alternative Models

1. INA219: A highly integrated current sense amplifier with I2C interface, offering high accuracy and programmable gain options.

2. MAX4080: Precision high-side current sense amplifier with wide input voltage range and low offset voltage, suitable for automotive and industrial applications.

3. AD8210: High common-mode voltage, high-side current shunt monitor with excellent accuracy and low power consumption, ideal for power management systems.

4. LTC6101: A versatile high-side current sense amplifier with a wide supply voltage range and adjustable gain, suitable for various current monitoring applications.

These alternative models provide similar functionality to the LT6105HMS8#TRPBF and can be considered based