INA199B3QDCKRQ1
Product Overview
Category
The INA199B3QDCKRQ1 belongs to the category of integrated circuits (ICs) specifically designed for current sensing applications.
Use
This product is primarily used for accurate current measurement in various electronic systems and power management applications.
Characteristics
- High accuracy: The INA199B3QDCKRQ1 offers precise current sensing with low offset and gain error.
- Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
- Low power consumption: This IC has low quiescent current, ensuring minimal power consumption during operation.
- Small form factor: The compact package size enables easy integration into space-constrained designs.
Package and Quantity
The INA199B3QDCKRQ1 is available in a small SOT-23 package. It is typically sold in reels containing 3000 units.
Specifications
- Supply voltage: 2.7V to 5.5V
- Input common-mode voltage range: -0.3V to Vcc + 0.3V
- Quiescent current: 60µA (typical)
- Gain error: ±0.5% (maximum)
- Offset voltage: ±150µV (maximum)
- Bandwidth: 500kHz (typical)
Pin Configuration
The INA199B3QDCKRQ1 has six pins arranged as follows:
___________
V+ | | OUT
IN- | | REF
IN+ | | GND
|___________|
- V+: Positive supply voltage pin
- IN-: Negative input pin
- IN+: Positive input pin
- OUT: Output pin
- REF: Reference pin
- GND: Ground pin
Functional Features
- High-side or low-side current sensing: The INA199B3QDCKRQ1 can be used for both high-side and low-side current measurements, providing flexibility in system design.
- Wide common-mode voltage range: It allows accurate current sensing even in applications with varying input voltages.
- Rail-to-rail output swing: The output voltage can reach close to the supply voltage, maximizing dynamic range and signal integrity.
Advantages and Disadvantages
Advantages
- High accuracy and precision in current measurement
- Wide input voltage range for versatile applications
- Low power consumption for energy-efficient designs
- Compact package size for easy integration
Disadvantages
- Limited bandwidth compared to some specialized current sensing ICs
- Requires external components for proper operation
Working Principles
The INA199B3QDCKRQ1 utilizes a differential amplifier configuration to measure current. It amplifies the voltage difference between the IN+ and IN- pins, which is proportional to the current flowing through the sense resistor. The amplified voltage is then available at the OUT pin for further processing or monitoring.
Detailed Application Field Plans
The INA199B3QDCKRQ1 finds application in various fields, including:
- Power management systems: It enables accurate current monitoring in power supplies, battery chargers, and DC-DC converters.
- Motor control: The IC facilitates precise current sensing in motor drives, ensuring efficient and safe operation.
- Industrial automation: It is suitable for current measurement in industrial equipment, such as robotics and process control systems.
- Automotive electronics: The INA199B3QDCKRQ1 can be utilized in electric vehicle charging stations, battery management systems, and automotive powertrain applications.
Alternative Models
For those seeking alternative options, the following models offer similar functionality:
- INA199A3QDCKRQ1
- INA199B1QDCKRQ1
- INA199A1QDCKRQ1
These alternatives provide comparable accuracy and features, allowing users to choose the most suitable option for their specific requirements.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät INA199B3QDCKRQ1 :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of INA199B3QDCKRQ1 in technical solutions:
1. What is the INA199B3QDCKRQ1? The INA199B3QDCKRQ1 is a high-side current shunt monitor that can accurately measure current flowing through a shunt resistor.
2. What is the purpose of using the INA199B3QDCKRQ1 in a technical solution? The INA199B3QDCKRQ1 is commonly used to monitor and measure current in various applications, such as motor control, power management, battery monitoring, and industrial automation.
3. How does the INA199B3QDCKRQ1 work? The INA199B3QDCKRQ1 works by measuring the voltage drop across a shunt resistor and converting it into a proportional output voltage that can be easily measured by a microcontroller or other analog-to-digital converter.
4. What is the maximum current that the INA199B3QDCKRQ1 can handle? The INA199B3QDCKRQ1 can handle a maximum current of up to 200A, making it suitable for a wide range of applications.
5. Can the INA199B3QDCKRQ1 operate with a single power supply? Yes, the INA199B3QDCKRQ1 can operate with a single power supply, typically ranging from 2.7V to 26V.
6. Does the INA199B3QDCKRQ1 provide any built-in protection features? Yes, the INA199B3QDCKRQ1 includes built-in overcurrent and overtemperature protection features to ensure safe operation in demanding environments.
7. What is the accuracy of the INA199B3QDCKRQ1? The INA199B3QDCKRQ1 has a typical gain error of ±0.5% and a maximum offset voltage of ±100µV, providing high accuracy in current measurements.
8. Can the INA199B3QDCKRQ1 be used in automotive applications? Yes, the INA199B3QDCKRQ1 is qualified for automotive applications and meets the AEC-Q100 Grade 1 standards, making it suitable for use in automotive systems.
9. What is the output interface of the INA199B3QDCKRQ1? The INA199B3QDCKRQ1 provides a voltage output that can be easily interfaced with microcontrollers or other analog measurement devices.
10. Are there any application notes or reference designs available for the INA199B3QDCKRQ1? Yes, Texas Instruments provides application notes and reference designs that showcase the implementation of the INA199B3QDCKRQ1 in various technical solutions. These resources can be found on their official website.