LTC6101BHS5

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LTC6101BHS5

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Current Sense Amplifiers LTC6101 - High Voltage, High-Side Current Sense Amplifier in SOT-23

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Specifications

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Overview

Description

The LTC6101BHS5 is a high-side current sense amplifier designed by Analog Devices. It is used to measure current through a sense resistor and convert it into a proportional output voltage. The device is ideal for applications requiring precise current monitoring and control, such as battery management, power supplies, and motor control systems.
Key features of the LTC6101BHS5 include wide operating voltage range from 2.7V to 60V, allowing it to function in a variety of environments. It offers excellent precision with low offset voltage and gain error, ensuring accurate current measurements. The device has a gain of 10V/V, 12.5V/V, 20V/V, or 25V/V, depending on the configuration, providing flexibility in design.
The LTC6101BHS5 comes in a compact SOT-23 package, making it suitable for space-constrained applications. It also features a low input bias current, minimizing errors in current measurement. Overall, the LTC6101BHS5 is a reliable and efficient solution for high-side current sensing needs.

Equivalent

The LTC6101BHS5 is a high-side current sense amplifier. Equivalent products include:
1. Texas Instruments INA168: A high-side current sense amplifier with similar functionality.
2. Maxim Integrated MAX4080: Offers high-side current sensing with a similar voltage range.
3. Analog Devices AD8210: Provides high-side current monitoring with comparable specifications.
4. Microchip Technology MCP6H01: Another high-side current sense amplifier option.
These alternatives offer similar functionalities but ensure to check specific electrical and performance characteristics for compatibility.

Features

The LTC6101BHS5 is a precision, high-side current sense amplifier designed for monitoring small differential voltages over a wide common-mode voltage range. Key features include:
1. Wide Operating Voltage Range: It supports a broad common-mode voltage range from -0.3V to 44V.

2. High Accuracy: The device offers low input offset voltage and high gain accuracy, enhancing measurement precision.
3. Low Quiescent Current: It operates with minimal power consumption, important for battery-powered applications.
4. Configurable Gain: The gain of the LTC6101BHS5 can be set with two external resistors, allowing for flexibility in various applications.
5. Temperature Stability: It maintains performance consistency over a wide temperature range, suitable for industrial environments.
6. Small Package: Available in a compact SOT-23 package, the LTC6101BHS5 is ideal for space-constrained designs.
7. Protection: The device includes robust ESD protection and is capable of withstanding harsh electrical conditions.
These features make the LTC6101BHS5 suitable for applications such as power management, battery monitoring, and motor control, where accurate current sensing is critical.

Pinout

The LTC6101BHS5 is a high-voltage, high-side current sense amplifier. It comes in a 5-pin SOT-23 package. Here is a brief overview of its pin functions:
1. V+ (Pin 1): This is the supply voltage pin. It is connected to the positive supply voltage, allowing the device to operate.
2. OUT (Pin 2): This pin provides the output voltage, which is proportional to the sensed current. It can drive subsequent stages in the circuit for further processing or measurement.
3. GND (Pin 3): This is the ground pin and serves as the reference point for the device.
4. IN+ (Pin 4): This is the non-inverting input to the current sense amplifier, connected to the high-side of the current sense resistor.
5. IN- (Pin 5): This is the inverting input to the current sense amplifier, connected to the low-side of the current sense resistor.
The LTC6101BHS5 is designed for precision current sensing in a variety of high-voltage applications, offering a wide input voltage range and high common-mode rejection.

Manufacturer

The LTC6101BHS5 is manufactured by Linear Technology Corporation. Linear Technology, now a part of Analog Devices, Inc. after its acquisition in 2017, is a company that specializes in the design, manufacturing, and marketing of high-performance analog integrated circuits. Their products serve a wide variety of applications, including power management, data conversion, signal conditioning, RF and interface technologies, and more, across numerous industries such as telecommunications, industrial, automotive, computer, medical, and military sectors.

Application

The LTC6101BHS5 is a high-side current sense amplifier used in various applications where accurate current monitoring is essential. Key application areas include power management systems, battery monitoring, motor control, and overcurrent protection. It is also used in automotive systems for monitoring battery and charging currents, industrial control systems for precise load management, and telecommunications for power supply monitoring. Its capability to handle wide input common-mode voltage ranges makes it suitable for high-voltage systems, while its precision and low-offset characteristics ensure accurate current measurement.

Package

The LTC6101BHS5 is packaged in a 5-lead SOT-23 package, which is commonly used for small, surface-mount integrated circuits.

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