INA190A2IRSWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
• Package: VQFN-16
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Common-Mode Voltage Range: -0.3V to +26V
• Input Offset Voltage: ±150µV (maximum)
• Gain Error: ±0.1% (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA190A2IRSWR has a total of 16 pins arranged as follows:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply)
3. REF (Reference Voltage)
4. IN+ (Positive Differential Input)
5. IN- (Negative Differential Input)
6. SET (Gain Setting)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. OUT (Output)
14. NC (No Connection)
15. NC (No Connection)
16. GND (Ground)

Functional Features

• High accuracy current sensing with low offset voltage
• Wide common-mode voltage range allows for versatile applications
• Low quiescent current consumption
• Rail-to-rail output swing
• Adjustable gain setting for flexibility in different applications

Advantages and Disadvantages

Advantages: - High accuracy measurement of current - Wide common-mode voltage range - Low offset voltage - Adjustable gain setting

Disadvantages: - Limited number of pins for additional functionalities - Relatively high cost compared to some alternatives

Working Principles

The INA190A2IRSWR is a current shunt monitor IC that measures the voltage drop across a shunt resistor to determine the current flowing through it. It utilizes a differential amplifier configuration to amplify the small voltage across the shunt resistor and provide an accurate representation of the current. The gain of the amplifier can be adjusted using the SET pin, allowing for customization based on specific application requirements.

Detailed Application Field Plans

The INA190A2IRSWR is commonly used in various applications where accurate current monitoring is required. Some of the typical application fields include:

1. Power management systems
2. Battery charging and discharging circuits
3. Motor control systems
4. Solar power systems
5. Industrial automation and control

Detailed and Complete Alternative Models

1. INA193A2IRSWR: Similar specifications and features, but with a different package (VQFN-10)
2. INA196A2IRSWR: Higher accuracy and lower offset voltage, but with a narrower common-mode voltage range
3. INA199A2IRSWR: Lower power consumption and wider bandwidth, but with slightly higher offset voltage

(Note: These alternative models are provided as examples and may not cover all available options in the market.)

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