INA199A2DCKR

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Current Shunt Monitor
Characteristics: High accuracy, low offset voltage, wide input voltage range
Package: SC-70-6
Essence: Monitors current flowing through a shunt resistor
Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

Supply Voltage Range: 2.7V to 26V
Input Common-Mode Voltage Range: -0.3V to +26V
Output Voltage Swing: 0V to Vcc - 1.2V
Gain Bandwidth Product: 500kHz
Quiescent Current: 60µA
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

OUT: Output pin
REF: Reference voltage input pin
IN+: Positive differential input pin
IN-: Negative differential input pin
GND: Ground pin
VS: Supply voltage pin

Functional Features

Measures small voltage drops across a shunt resistor
Provides a proportional output voltage
High common-mode voltage rejection ratio
Low quiescent current consumption
Wide supply voltage range

Advantages

High accuracy in measuring current
Low offset voltage minimizes measurement errors
Wide input voltage range allows for versatile applications
Small package size enables space-saving designs
Suitable for battery-powered devices due to low power consumption

Disadvantages

Limited gain bandwidth product may restrict high-frequency applications
Not suitable for high-voltage measurements above 26V
Requires an external shunt resistor for current sensing

Working Principles

The INA199A2DCKR is a current shunt monitor IC that measures the voltage drop across a shunt resistor to determine the current flowing through it. It operates based on the principle of Ohm's Law, where the voltage drop across a resistor is directly proportional to the current passing through it. By amplifying and converting this voltage drop into a proportional output voltage, the INA199A2DCKR provides an accurate representation of the current being monitored.

Detailed Application Field Plans

The INA199A2DCKR finds applications in various fields, including: 1. Power management systems 2. Battery charging and monitoring 3. Motor control and protection 4. Overcurrent detection in industrial equipment 5. Solar power systems 6. Automotive electronics 7. Test and measurement instruments

Detailed and Complete Alternative Models

INA199A1DCKR: Single-channel version of INA199A2DCKR
INA199A4DCKR: Quad-channel version of INA199A2DCKR
INA199A3DCKR: Triple-channel version of INA199A2DCKR
INA199A5DCKR: Five-channel version of INA199A2DCKR

(Note: The above alternative models are from the same INA199A series and offer similar functionality with varying channel configurations.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací INA199A2DCKR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of INA199A2DCKR in technical solutions:

Q: What is the INA199A2DCKR? A: The INA199A2DCKR is a high-side current shunt monitor IC (integrated circuit) that can accurately measure current flowing through a shunt resistor.
Q: What is the purpose of using the INA199A2DCKR in technical solutions? A: The INA199A2DCKR is commonly used to monitor and measure current in various applications, such as power supplies, motor control, battery management systems, and industrial automation.
Q: How does the INA199A2DCKR work? A: The INA199A2DCKR works by measuring the voltage drop across a shunt resistor placed in series with the current path. It amplifies this voltage drop and provides an output proportional to the current being measured.
Q: What is the maximum current range that the INA199A2DCKR can handle? A: The INA199A2DCKR can handle a maximum current range of ±5A.
Q: What is the accuracy of the INA199A2DCKR? A: The INA199A2DCKR has a typical accuracy of ±0.5% of the measured current.
Q: Can the INA199A2DCKR operate with a single power supply? A: Yes, the INA199A2DCKR can operate with a single power supply ranging from 2.7V to 26V.
Q: Does the INA199A2DCKR provide any fault detection features? A: Yes, the INA199A2DCKR has built-in overcurrent and undervoltage lockout (UVLO) protection features to detect faults in the current measurement circuit.
Q: What is the output interface of the INA199A2DCKR? A: The INA199A2DCKR provides a voltage output that is proportional to the measured current.
Q: Can the INA199A2DCKR be used in high-frequency applications? A: Yes, the INA199A2DCKR has a bandwidth of 500kHz, making it suitable for high-frequency current measurements.
Q: Are there any application notes or reference designs available for using the INA199A2DCKR? A: Yes, Texas Instruments, the manufacturer of the INA199A2DCKR, provides application notes and reference designs that can help users implement the IC effectively in their technical solutions.

Please note that these answers are general and may vary depending on specific use cases and requirements. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for detailed information.