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INA190A2IDDFR

Name: INA190A2IDDFR
Rating: 4.7 (12 reviews)

IC CURR SENSE 1 CIRCUIT TSOT23-8

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資料表 INA190A2IDDFR DataSheet
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規格

Series	Zero-Drift
Part Status	Active
Amplifier Type	Current Sense
Number of Circuits	1
Output Type	Rail-to-Rail
Slew Rate	0.3V/µs
Gain Bandwidth Product	37 kHz
Current - Input Bias	500 pA
Voltage - Input Offset	3 µV
Current - Supply	48µA
Voltage - Supply Span (Min)	1.7 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	SOT-23-8 Thin, TSOT-23-8
Supplier Device Package	TSOT-23-8
Base Product Number	INA190

概述

Description

The INA190A2IDDFR is a high-precision, low-power current shunt monitor from Texas Instruments, designed to measure small voltage drops across a shunt resistor. It operates with a supply voltage range of 2.7V to 5.5V and offers a high common-mode voltage capability, making it suitable for various applications, including battery management, industrial automation, and power monitoring.
Key features include a low offset voltage, high accuracy, and a gain of 100V/V, allowing it to amplify small voltage signals for easy measurement. The INA190A2IDDFR is equipped with a built-in comparator, which can help in overcurrent detection. Its low quiescent current makes it ideal for battery-operated devices.
The device is housed in a compact SOT-23 package, making it suitable for space-constrained applications. Overall, the INA190A2IDDFR is an excellent choice for precise current sensing in both consumer and industrial applications.

Features

The INA190A2IDDFR is a high-precision, low-power current sense amplifier designed for battery management and power monitoring applications. Key features include:
1. Input Voltage Range: Supports a common mode range from -0.1V to 36V, allowing for high-side or low-side sensing.
2. Gain: Fixed gain of 100 V/V, providing high sensitivity for accurate current measurements.
3. Low Offset Voltage: With an offset voltage of only 50 µV (typical), it ensures minimal error in current sensing.
4. Low Input Bias Current: Operates with low input bias current (< 1 nA), reducing measurement errors in high-impedance circuits.
5. Supply Voltage: Operates from a single supply voltage of 2.7V to 5.5V, making it versatile for various applications.
6. Low Quiescent Current: Consumes only 60 µA (typical), contributing to low power consumption.
7. Package: Available in a compact SOT-23 package for space-constrained designs.
Overall, the INA190A2IDDFR is ideal for applications requiring accurate current sensing with minimal power draw.

Package

The INA190A2IDDFR is packaged in a 6-pin SOT-23 package.

Pinout

The INA190A2IDDFR is a low-power, high-precision current sense amplifier with a pin count of 5. Its pin functions are as follows:
1. IN+ (Pin 1): Positive input for the current sensing.
2. IN- (Pin 2): Negative input for the current sensing.
3. GND (Pin 3): Ground connection.
4. VOUT (Pin 4): Output voltage that represents the differential input voltage amplified by the gain.
5. V+ (Pin 5): Power supply input, typically between 2.7V and 5.5V.
The INA190A2 is designed for low-voltage applications and provides a precise output proportional to the sensed current, making it suitable for battery monitoring and other current sensing applications.

Manufacturer

The INA190A2IDDFR is manufactured by Texas Instruments (TI), a leading semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a broad range of electronics components, including analog chips, embedded processors, and digital signal processors. The company is known for its innovations in analog technology, providing solutions for various applications such as industrial, automotive, communications, and consumer electronics. Texas Instruments is recognized for its commitment to performance, reliability, and efficiency in electronic components.

Application

The INA190A2IDDFR is a precision current sense amplifier used in various applications, including battery management systems, power monitoring, industrial automation, and motor control. It enables accurate current measurement in low-side and high-side configurations, enhancing efficiency and performance in power systems. The device is suitable for use in portable electronics, renewable energy systems, and automotive applications, where precise current sensing is critical for energy management and safety.

Equivalent

The INA190A2IDDFR is a low-side current shunt monitor. Equivalent products include:
1. INA199 - Similar specifications with variations in gain.
2. INA181 - Comparable features for current sensing.
3. INA188 - Another option with similar functionality.
Always check datasheets for specific parameters and requirements to ensure compatibility for your application.