INA168NA/3K

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INA168NA/3K

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IC CURRENT MONITOR 0.5% SOT23-5

  • HerstellerTexas Instruments

  • Herstellerteil #INA168NA/3K

  • Paket SOT-23 (DBV)-5

  • Auf Lager2142

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Current Monitor
SensingMethod High-Side
Accuracy ±0.5%
Voltage-Input 2.7V ~ 60V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Übersicht

Description

The INA168NA/3K is a high-side, unidirectional current-sense amplifier commonly used in electronic applications for monitoring current flow. Manufactured by Texas Instruments, this device amplifies the voltage across a shunt resistor to produce a proportional output voltage, allowing users to accurately measure current. It operates with a wide supply voltage range, typically from 2.7V to 60V, making it versatile for various applications.
Key features include a high common-mode voltage range and low offset voltage, ensuring precision in current measurement. Its small footprint makes it suitable for compact circuit designs, and the device is often employed in power management systems, battery chargers, and various consumer electronics.
The INA168NA/3K offers benefits such as high accuracy, ease of use, and the ability to operate over a broad temperature range, from -40°C to 125°C. Its applications span automotive, industrial, and telecommunications sectors, where monitoring current is crucial for efficiency and safety.

Equivalent

The INA168NA/3K is a current shunt monitor by Texas Instruments. Equivalent products include:
1. MAX4080 from Maxim Integrated: Offers similar features for high-side current measurement.
2. LT6105 from Analog Devices: A comparable high-side current sense amplifier.
3. AD8210 from Analog Devices: Another alternative for high-side current sensing.
4. ZXCT1009 from Diodes Incorporated: A cost-effective option for current monitoring.
When selecting a replacement, ensure compatibility in terms of pin configuration, operating voltage, and other electrical characteristics.

Features

The INA168NA/3K is a current shunt monitor designed to sense and measure small voltage drops across a resistor in a circuit, providing a proportional output current. Key features include:
1. Wide Supply Voltage Range: Operates between 2.7V and 36V, making it versatile for various applications.
2. Wide Input Common-Mode Range: Functions over a broad range, from -0.3V to 60V, allowing for high-side and low-side sensing.
3. High Accuracy: Offers low offset voltage and low drift, ensuring precise measurements.
4. Wide Bandwidth: Provides fast response with a bandwidth of up to 800 kHz.
5. Fixed Gain: The device has a fixed gain which simplifies design and reduces the need for external components.
6. Low Power Consumption: Efficient power usage, suitable for battery-operated devices.
7. Small Package: Available in a compact SOT-23 package for space-constrained applications.
8. Temperature Range: Operates effectively between -40°C and 125°C, suitable for harsh environments.
These features make the INA168NA/3K ideal for applications in automotive, industrial, and consumer electronics where precise current measurement is required.

Pinout

The INA168NA/3K is a current-sense amplifier designed by Texas Instruments. This device is typically housed in an SOT-23-5 package, which has 5 pins. Its main function is to amplify the voltage across a shunt resistor to measure current flow through it. Here is a brief description of the pin functions:
1. IN+ (Input Positive): Connects to the high side of the shunt resistor.
2. IN- (Input Negative): Connects to the low side of the shunt resistor.
3. OUT (Output): Provides the amplified output voltage that is proportional to the current through the shunt resistor.
4. REF (Reference): Allows the output to be offset by a reference voltage.
5. GND (Ground): Common ground for the device.
The INA168 is designed for high-side current sensing and can be used in a wide range of applications requiring current monitoring.

Manufacturer

The INA168NA/3K is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, that designs and manufactures a wide range of semiconductor products. TI is known for its analog and embedded processing products and serves various industries including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is one of the largest semiconductor companies in the world and is well-regarded for its innovation and technology development in the electronics sector.

Application

The INA168NA/3K is a current shunt monitor used in various applications. Its primary application areas include power management systems, battery chargers, and motor control because it can accurately measure bidirectional current flow. It is also used in telecommunications equipment and automotive systems for current sensing and monitoring. Additionally, the INA168NA/3K is suitable for overcurrent protection and energy metering in industrial automation systems due to its wide input voltage range and high precision. Its compact size and ease of integration make it ideal for use in portable and space-constrained electronic devices.

Package

The INA168NA/3K is packaged in a SOT-23-5 package, which is a small outline transistor package with five leads. This package type is commonly used for surface-mount technology in electronic circuits, offering a compact form factor for various applications.

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