INA381A1IDSGR

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INA381A1IDSGR

+BOM

IC CURRENT SENSE 1% 8WSON

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #INA381A1IDSGR

  • 재고2786

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사양

속성 가치
Series Zero-Drift
Part Status Active
Base Product Number INA381
Function Current Sense
Sensing Method High/Low-Side
Accuracy ±1%
Voltage - Input 0V ~ 26V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package 8-WFDFN Exposed Pad
Supplier Device Package 8-WSON (2x2)
Packaging Cut Tape (CT), Tape & Reel (TR)

개요

Description

The INA381A1IDSGR is a high-performance current sense amplifier with an integrated comparator, designed by Texas Instruments. It's part of the INA381 series and is widely used for current sensing applications due to its precision and versatility. This device is particularly effective in monitoring the current flowing through a shunt resistor, enabling efficient power management in various electronic systems.
Key features include:
1. Wide Common-Mode Range: Operates from -0.2V to +26V, making it suitable for high-side or low-side current sensing.

2. High Accuracy: Offers low offset voltage and drift, ensuring precise current measurements.
3. Integrated Comparator: Facilitates overcurrent protection by providing a quick response to threshold breaches, enhancing system safety.
4. Low Quiescent Current: Supports battery-powered applications by minimizing power consumption.
5. Available Gain Options: Various gain configurations to suit different application needs, offering flexibility in design.
Overall, the INA381A1IDSGR is ideal for applications requiring accurate current monitoring, such as battery management systems, power supplies, and automotive systems.

Equivalent

The INA381A1IDSGR, a current-sense amplifier with integrated comparator from Texas Instruments, can be compared to similar products like the MAX9928 from Maxim Integrated, the LT6106 from Analog Devices, and the MCP6546 from Microchip Technology. These alternatives offer similar functionalities, such as current sensing and integrated comparator features. However, always check specific specifications and pin compatibility to ensure proper replacement.

Features

The INA381A1IDSGR is a current sense amplifier with the following key features:
1. Current Sensing: It is designed for bidirectional current sensing applications, providing accurate measurements.
2. Voltage Output: This device offers a voltage output that is proportional to the differential input voltage, enabling easy interfacing with microcontrollers or ADCs.
3. Wide Common-Mode Range: It operates over a wide common-mode voltage range from –0.2 V to +26 V, making it suitable for various applications.
4. Accuracy: The INA381A1IDSGR provides high precision with offset voltage specifications, ensuring accurate current measurement even at low levels.
5. High Speed: It features a fast response time, with bandwidth specifications that support rapid current changes.
6. Integrated Comparator: This model includes an integrated comparator with a reference voltage, enabling overcurrent detection and protection features.
7. Low Power Consumption: The device is designed for low power consumption, making it suitable for battery-powered applications.
8. Package: It comes in a small, space-saving package, ideal for compact designs.
These features make the INA381A1IDSGR suitable for a broad range of applications requiring reliable and precise current monitoring.

Pinout

The INA381A1IDSGR is a current sense amplifier with an integrated comparator. It is typically available in an 8-pin package. The primary function of this device is to measure the voltage drop across a shunt resistor to determine the current flowing through it, while the integrated comparator can be used for overcurrent detection or other threshold-based functions.
Key pin functions include:
1. V+ (Power Supply): Powers the device.
2. IN+ (Input Pin): Connects to the positive side of the shunt resistor.
3. IN− (Input Pin): Connects to the negative side of the shunt resistor.
4. OUT (Output Pin): Provides the amplified voltage output.
5. REF (Reference Pin): Sets the reference voltage for the output.
6. CMPIN (Comparator Input): The input for the comparator threshold.
7. CMPOUT (Comparator Output): Indicates the comparator status.
8. GND (Ground): Ground connection for the device.
Please refer to the manufacturer's datasheet for detailed pin configuration and specific characteristics.

Manufacturer

The INA381A1IDSGR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a broad range of electronic components and integrated circuits. TI is known for its innovations in analog and digital signal processing technologies. The company's products are used in a variety of applications, including industrial, automotive, personal electronics, and communications equipment. TI focuses on developing energy-efficient and reliable components, contributing significantly to advancements in technology across multiple industries.

Application

The INA381A1IDSGR is a current sense amplifier with an integrated comparator, suitable for various applications. It is used in power management systems to monitor current usage and protect circuitry by triggering alarms when thresholds are exceeded. Common applications include battery management systems, overcurrent protection, and power supply monitoring. It's also used in automotive systems for current measurement and diagnostics, industrial equipment for motor control, and telecommunications for power regulation. Its high-speed response and precise current sensing make it ideal for systems requiring fast and accurate overcurrent detection.

Package

The INA381A1IDSGR is packaged in an 8-pin VSSOP (Very Thin Shrink Small Outline Package) also known as the DGK package. This type of package is compact and suitable for space-constrained applications.

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