INA199B2RSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA199B2RSWT is a high-side current shunt monitor IC designed for precise current measurement in various applications.

Characteristics: - High accuracy - Low offset voltage - Wide common-mode voltage range - Low quiescent current - Small package size

Package: SOIC-8

Essence: The INA199B2RSWT is an essential component for accurate current monitoring and control in electronic systems.

Packaging/Quantity: Available in reels of 2500 units.

Specifications

Supply Voltage Range: 2.7V to 5.5V
Common-Mode Voltage Range: -16V to +80V
Quiescent Current: 60µA (typical)
Gain Error: ±0.5% (maximum)
Offset Voltage: ±100µV (maximum)
Bandwidth: 500kHz (typical)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA199B2RSWT features the following pin configuration:

V+ (Positive Power Supply)
V- (Negative Power Supply)
REF (Reference Voltage)
OUT (Output Voltage)
IN+ (Positive Current Sense Input)
IN- (Negative Current Sense Input)
SET (Gain Setting)
NC (No Connection)

Functional Features

High accuracy current sensing
Wide input voltage range
Low power consumption
Adjustable gain setting
Overvoltage protection
Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High accuracy enables precise current measurement - Wide common-mode voltage range allows for versatile applications - Low quiescent current minimizes power consumption - Small package size saves board space

Disadvantages: - Limited maximum supply voltage range (up to 5.5V) - Requires external gain setting resistor for customization

Working Principles

The INA199B2RSWT utilizes a high-side current sensing technique based on the Hall effect. It measures the voltage drop across a shunt resistor in series with the load and converts it into a proportional output voltage. The gain of the IC can be adjusted using an external resistor connected to the SET pin.

Detailed Application Field Plans

The INA199B2RSWT is widely used in various applications, including but not limited to: - Battery management systems - Power supplies - Motor control - Industrial automation - Solar inverters - Current monitoring in automotive systems

Detailed and Complete Alternative Models

INA199A2RSWT
INA199B1RSWT
INA199A1RSWT
INA199B2QDBVR
INA199A2QDBVR

These alternative models offer similar functionality and performance characteristics to the INA199B2RSWT, providing flexibility for different design requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von INA199B2RSWT in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of INA199B2RSWT in technical solutions:

Q: What is the INA199B2RSWT? A: The INA199B2RSWT is a high-side current shunt monitor IC (integrated circuit) manufactured by Texas Instruments.
Q: What is the purpose of using the INA199B2RSWT? A: The INA199B2RSWT is used to accurately measure current flowing through a shunt resistor in various applications.
Q: What is the voltage supply range for the INA199B2RSWT? A: The INA199B2RSWT operates with a voltage supply range of 2.7V to 26V.
Q: What is the typical gain accuracy of the INA199B2RSWT? A: The typical gain accuracy of the INA199B2RSWT is ±0.5%.
Q: Can the INA199B2RSWT be used in high-frequency applications? A: Yes, the INA199B2RSWT has a bandwidth of 500kHz, making it suitable for high-frequency applications.
Q: How does the INA199B2RSWT provide accurate current measurements? A: The INA199B2RSWT uses a precision amplifier to amplify the voltage across the shunt resistor, allowing for accurate current measurements.
Q: Does the INA199B2RSWT have built-in protection features? A: Yes, the INA199B2RSWT includes overcurrent and overtemperature protection features to safeguard against potential damage.
Q: Can the INA199B2RSWT be used in automotive applications? A: Yes, the INA199B2RSWT is AEC-Q100 qualified, making it suitable for automotive applications.
Q: What is the operating temperature range of the INA199B2RSWT? A: The INA199B2RSWT can operate within a temperature range of -40°C to +125°C.
Q: Are there any evaluation modules available for the INA199B2RSWT? A: Yes, Texas Instruments provides an evaluation module (INA199B2EVM) that allows users to test and evaluate the performance of the INA199B2RSWT in their applications.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.