INA281A1IDBVR

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INA281A1IDBVR

IC CURR SENSE 1 CIRCUIT SOT23-5

  • Fabricant
  • Mfr. Partie #INA281A1IDBVR
  • Paquet SOT23-5
  • Fiche de données
  • En stock7147

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
SlewRate 2.5V/µs
GainBandwidthProduct 1.3 MHz
Current-InputBias 20 µA
Voltage-InputOffset 100 µV
Current-Supply 1.5mA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 20 V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Vue d'ensemble

Description

The INA281A1IDBVR is a precision current shunt monitor designed for use in various applications such as battery management systems, industrial automation, and electric vehicles. This device features a high common-mode voltage range, allowing it to operate effectively in high-side current sensing configurations. With a low input offset voltage and excellent linearity, the INA281A1 provides accurate measurements even in noisy environments.
Key specifications include a supply voltage range of 2.7V to 5.5V, a gain of 20V/V or 50V/V, and an output that is compatible with standard logic levels. The INA281A1 also supports a wide temperature range, making it suitable for diverse applications. Its small package size (DBV) allows for easy integration into compact designs. Overall, the INA281A1IDBVR is an ideal choice for designers seeking reliable, high-performance current measurement solutions.

Features

The INA281A1IDBVR is a precision current shunt monitor from Texas Instruments. Key features include:
- Wide Supply Voltage Range: Operates from 2.7V to 18V, suitable for various applications.
- High Accuracy: Offers a typical offset voltage of 100µV and gain error of less than 1%.
- Low Power Consumption: Consumes only 60µA in normal operation, making it energy-efficient.
- Common Mode Voltage Range: Supports a common mode voltage range from -0.3V to 18V, allowing for diverse circuit configurations.
- Integrated Protection: Built-in thermal shutdown and overvoltage protection enhance reliability.
- Gain Options: Features a fixed gain of 20, enabling easy integration into designs.
- Fast Response Time: With a bandwidth of up to 1MHz, it can accurately capture fast current transients.
- Package: Available in a compact 8-pin VSSOP package, facilitating space-efficient designs.
These features make the INA281A1IDBVR suitable for applications in battery management, power monitoring, and various industrial control systems.

Package

The INA281A1IDBVR is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with a 5-lead configuration. The dimensions are compact, suitable for space-constrained applications.

Pinout

The INA281A1IDBVR is a current sense amplifier from Texas Instruments, featuring a 5-pin package (SOT-23) configuration.
Pin Count and Functions:
1. Pin 1 (IN+): Positive input for the current sense resistor.
2. Pin 2 (IN-): Negative input for the current sense resistor.
3. Pin 3 (GND): Ground connection.
4. Pin 4 (Vout): Output voltage proportional to the current flowing through the sense resistor.
5. Pin 5 (Vref): Reference voltage input, used to set the output voltage offset.
The device supports a wide common-mode voltage range, making it suitable for high-side current sensing applications. It provides accurate current measurement with a fixed gain, enabling efficient monitoring in power management and protection circuits.

Manufacturer

The INA281A1IDBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company, known for developing analog and embedded processing products. Founded in 1930, the company is headquartered in Dallas, Texas, and serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in creating integrated circuits (ICs), microcontrollers, and signal processing solutions, catering to both large-scale commercial applications and specialized niche markets.

Application

The INA281A1IDBVR is a high-side current sense amplifier used in various applications, including power management, battery monitoring, motor control, and industrial automation. It enables accurate current sensing in DC-DC converters, power supplies, and electric vehicles, enhancing efficiency and safety by providing real-time monitoring of current flow. Its integration in circuit designs helps optimize performance and allows for fault detection in various electronic systems.

Equivalent

Equivalent products to the INA281A1IDBVR include the INA210, INA199, and INA188. These chips also provide current sensing functionality, but ensure to check specifications like voltage range, accuracy, and package type for compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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