INA190A3IDDFR

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INA190A3IDDFR

IC CURR SENSE 1 CIRCUIT TSOT23-8

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Specifications

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 35 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

Overview

Description

The INA190A3IDDFR is a precision current shunt monitor designed by Texas Instruments. It enables accurate measurement of small currents in various applications, such as battery management systems, power monitoring, and industrial control. This device operates with a supply voltage range of 1.8V to 5.5V and features a low input offset voltage, making it suitable for high-precision applications.
The INA190 offers a voltage output proportional to the current flowing through a shunt resistor, allowing easy interfacing with microcontrollers or ADCs. Its high common-mode voltage range and low power consumption make it ideal for both battery-powered devices and high-voltage systems.
The package type is a small, thermally-enhanced 2×3 mm SOT-23, aiding in space-constrained designs. Overall, the INA190A3IDDFR provides a reliable and efficient solution for accurate current sensing in various electronic applications.

Features

The INA190A3IDDFR is a precision current sense amplifier designed for low-side current sensing applications. Here are its key features:
1. Supply Voltage Range: Operates from 2.7V to 12V, accommodating various battery and power supply configurations.
2. Input Offset Voltage: Low offset voltage (typically 50µV), ensuring accurate current measurement.
3. Gain: Fixed gain of 100, allowing for straightforward implementation in sensing applications.
4. Common-Mode Voltage Range: Supports a common-mode voltage range from 0V to 12V, enhancing versatility in different circuit setups.
5. Low Quiescent Current: Consumes a minimal quiescent current (around 50µA), ideal for battery-powered devices.
6. Open-Drain Output: The output is configured as an open-drain, requiring an external pull-up resistor for signal interfacing.
7. Temperature Range: Operates over an extended temperature range of -40°C to +125°C, suitable for industrial applications.
The INA190A3IDDFR is well-suited for applications like battery management systems, motor control, and power monitoring.

Package

The INA190A3IDDFR is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with 8 pins. It features compact dimensions and is designed for surface mount applications.

Pinout

The INA190A3IDDFR is a current sense amplifier from Texas Instruments that comes in a 5-pin DDF package. The pin count is 5, and the functions of the pins are as follows:
1. Pin 1 (IN+): Non-inverting input for the voltage across the sense resistor.
2. Pin 2 (IN-): Inverting input for the voltage across the sense resistor.
3. Pin 3 (GND): Ground pin.
4. Pin 4 (V+): Power supply input; typically, this pin connects to the supply voltage.
5. Pin 5 (OUT): Output pin that provides the amplified voltage corresponding to the sensed current.
The INA190A3 offers high precision and low power consumption, making it suitable for various applications in current sensing.

Manufacturer

The INA190A3IDDFR is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments is known for designing and producing a wide range of analog and embedded processing products. They specialize in various fields, including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in integrated circuits (ICs) and is a leading supplier in the semiconductor industry, providing solutions that cater to both high-performance and energy-efficient applications.

Application

The INA190A3IDDFR is a precision current sense amplifier widely used in various applications including battery management systems, power monitoring, load detection, and motor control. It is ideal for high-side current sensing in automotive, industrial, and consumer electronics to improve efficiency and performance by providing accurate current measurements. Its low input offset voltage and low power consumption make it suitable for portable devices as well.

Equivalent

Equivalent products to the INA190A3IDDFR include the INA199, INA210, and INA181, which are also precision current sense amplifiers from Texas Instruments. Additionally, consider the MAX4080 and MAX4081 from Maxim Integrated as alternatives. Always verify specifications for compatibility in your specific application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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