INA199B1RSWR

Product Overview

Category: Integrated Circuit (IC)
Use: Current Shunt Monitor
Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
Package: WSON-10 package
Essence: Monitors current in a circuit and provides accurate measurements
Packaging/Quantity: Available in reels of 2500 units

Specifications

Supply Voltage: 2.7V to 5.5V
Input Common-Mode Voltage Range: -0.3V to +26V
Output Voltage Swing: 0V to Vcc - 1.2V
Gain Error: ±0.5%
Offset Voltage: ±100µV
Bandwidth: 500kHz
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA199B1RSWR has the following pin configuration:

V+ (Positive Power Supply)
V- (Negative Power Supply)
REF (Reference Voltage)
OUT (Output Voltage)
IN- (Inverting Input)
IN+ (Non-Inverting Input)
SET (Gain Setting)
NC (No Connection)
GND (Ground)
VS (Supply Voltage Sense)

Functional Features

High accuracy current sensing
Wide common-mode voltage range allows for versatile applications
Low offset voltage ensures precise measurements
Rail-to-rail output swing enables full utilization of the supply voltage range
Adjustable gain setting for flexibility in different applications

Advantages and Disadvantages

Advantages

High accuracy measurements
Wide operating temperature range
Small form factor package
Versatile application possibilities

Disadvantages

Limited output voltage swing
Requires external gain setting resistor

Working Principles

The INA199B1RSWR is a current shunt monitor that utilizes a precision amplifier to measure the voltage drop across a shunt resistor. By accurately measuring this voltage, it can determine the current flowing through the shunt resistor. The device amplifies the small voltage drop and provides an output voltage proportional to the current being monitored.

Detailed Application Field Plans

The INA199B1RSWR finds applications in various fields including:

Power management systems
Battery monitoring and protection circuits
Motor control systems
Industrial automation
Energy monitoring and metering

Detailed and Complete Alternative Models

INA199A1RSWR
INA199B2RSWR
INA199B3RSWR
INA199B4RSWR

These alternative models offer similar functionality with slight variations in specifications and pin configurations.

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技術ソリューションにおける INA199B1RSWR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of INA199B1RSWR in technical solutions:

Q1: What is the INA199B1RSWR? A1: The INA199B1RSWR is a high-side current shunt monitor that can accurately measure current flowing through a shunt resistor.

Q2: What is the typical supply voltage range for the INA199B1RSWR? A2: The typical supply voltage range for the INA199B1RSWR is from 2.7V to 5.5V.

Q3: What is the maximum input common-mode voltage range for the INA199B1RSWR? A3: The maximum input common-mode voltage range for the INA199B1RSWR is from -0.3V to V+ + 0.3V.

Q4: How accurate is the INA199B1RSWR in measuring current? A4: The INA199B1RSWR has a typical gain error of ±0.5% and a typical offset error of ±100µV, making it highly accurate for current measurements.

Q5: Can the INA199B1RSWR be used in high-side or low-side current sensing applications? A5: Yes, the INA199B1RSWR can be used in both high-side and low-side current sensing applications.

Q6: What is the bandwidth of the INA199B1RSWR? A6: The bandwidth of the INA199B1RSWR is typically 500kHz, allowing for fast and accurate current measurements.

Q7: Does the INA199B1RSWR have built-in overcurrent protection? A7: No, the INA199B1RSWR does not have built-in overcurrent protection. Additional circuitry may be required for overcurrent protection.

Q8: Can the INA199B1RSWR operate in harsh environments? A8: Yes, the INA199B1RSWR is designed to operate in harsh environments and has a wide temperature range of -40°C to +125°C.

Q9: What is the package type of the INA199B1RSWR? A9: The INA199B1RSWR is available in a small SOT-23 package, which is suitable for space-constrained applications.

Q10: Are there any application notes or reference designs available for the INA199B1RSWR? A10: Yes, Texas Instruments provides application notes and reference designs that can help users implement the INA199B1RSWR in their technical solutions. These resources can be found on the TI website.

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 consult with the manufacturer for detailed information.