INA239AIDGSR

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INA239AIDGSR

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  • FabricanteTexas Instruments

  • Peça do Fabricante #INA239AIDGSR

  • Em Estoque4848

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Especificações

Atributo Valor
Package Tape & Reel (TR)
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
Current-InputBias 100 nA
Voltage-InputOffset 1.5 µV
Current-Supply 640µA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 5.5 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Visão Geral

Description

The INA239AIDGSR is a high-precision, digital current sense amplifier from Texas Instruments. It is designed to monitor voltage, current, and power in various applications, providing accurate and reliable data. The device features a wide common-mode voltage range, extending from -0.3V to +85V, making it suitable for high-side or low-side current sensing. It offers a 16-bit resolution with a programmable gain, allowing it to adapt to different measurement requirements.
Key features include an integrated comparator for overcurrent protection, high-speed I2C communication for data transfer, and low power consumption, which makes it ideal for battery-operated devices. It is often used in power management systems, automotive applications, and industrial equipment due to its robust performance and versatility. The INA239AIDGSR is packaged in a small form factor, facilitating easy integration into circuit designs. It is designed to work in a wide temperature range, ensuring reliable operation in various environments.

Equivalent

The INA239AIDGSR is a current shunt monitor from Texas Instruments. Equivalent products include the MAX40080 from Maxim Integrated, the LTC2945 from Analog Devices, and the MCP39F501 from Microchip Technology. These alternatives offer similar functionalities, such as high-side current sensing and I2C interface capabilities, but may differ in specific features like voltage range and accuracy. When choosing an equivalent, ensure compatibility with your specific application requirements.

Features

The INA239AIDGSR is a high-precision current sense amplifier from Texas Instruments. It is designed for applications requiring accurate current measurements in various systems. Key features include:
1. Precision Measurement: Offers high accuracy with a maximum offset voltage and gain error, ensuring precise current sensing.
2. Wide Input Common-Mode Voltage Range: Supports a range from -0.3V to +85V, making it versatile for different applications.
3. High-Side or Low-Side Sensing: Capable of sensing current on either the high side or low side of the load.
4. I2C-Compatible Interface: Includes a digital interface for easy integration with microcontrollers and other digital devices.
5. Configuration Flexibility: Allows for programmable conversion times and averaging modes, enhancing adaptability to specific application needs.
6. 12-Bit ADC: Integrates a 12-bit analog-to-digital converter for high-resolution measurements.
7. Low Power Consumption: Efficient design minimizes power usage, suitable for battery-powered applications.
8. Small Package: Available in a compact package, facilitating use in space-constrained designs.
These features make the INA239AIDGSR suitable for power management, battery monitoring, and industrial applications.

Pinout

The INA239AIDGSR is a high-precision, digital current shunt monitor with I2C or SMBus-compatible interface, manufactured by Texas Instruments. It is designed to measure current and power in various applications.
The device comes in an 8-pin VSSOP package. Here are the pin functions:
1. V+: Supply voltage input.
2. GND: Ground connection.
3. SDA: Serial data line for I2C interface.
4. SCL: Serial clock line for I2C interface.
5. ALERT: Alert output, which provides an interrupt signal to a host processor in case of threshold events.
6. VIN+: Positive input for the differential voltage across the shunt resistor.
7. VIN-: Negative input for the differential voltage across the shunt resistor.
8. ADDR: Address pin used to set the I2C address by connecting to GND, V+, or floating.
The INA239AIDGSR is widely used for monitoring power consumption, optimizing battery life, and managing system performance in electronic devices.

Manufacturer

The INA239AIDGSR is manufactured by Texas Instruments. Texas Instruments (TI) is a global technology company known for designing and manufacturing semiconductors and various integrated circuits, which are used in a multitude of electronic applications. Founded in 1930 and headquartered in Dallas, Texas, the company has a significant presence in the semiconductor industry, providing products for industrial, automotive, personal electronics, and communications equipment, among other markets. TI is recognized for its innovation in analog and embedded processing products, making it a key player in advancing electronics through its high-performance solutions.

Application

The INA239AIDGSR is a high-precision, digital current-shunt monitor designed for various applications. Its primary areas include power management and battery monitoring in data centers, telecom equipment, and consumer electronics. It's also used in overcurrent protection systems and energy metering for industrial and automotive systems. The device's ability to provide precise current measurements makes it suitable for optimizing power efficiency and ensuring system reliability. Additionally, it can be integrated into smart grid applications and renewable energy systems to monitor and manage power distribution. Its compact design and digital interface facilitate easy integration into various electronic systems requiring accurate current sensing.

Package

The INA239AIDGSR is packaged in an 8-pin VSSOP (Very Thin Shrink Small Outline Package), also known as MSOP-8 (Mini Small Outline Package).

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