INA203AIPWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
• Package: TSSOP-8
• Essence: Monitors current flowing through a shunt resistor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 26V
• Input Common-Mode Voltage Range: -0.3V to +26V
• Output Voltage Range: 0V to Vcc
• Quiescent Current: 60µA
• Gain Error: ±0.5%
• Offset Voltage: ±150µV
• Bandwidth: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. OUT: Output pin
2. REF: Reference voltage input pin
3. IN+: Positive input pin
4. IN-: Negative input pin
5. GND: Ground pin
6. SET: External gain setting pin
7. VCC: Supply voltage pin
8. NC: No connection pin

Functional Features

• Measures current by monitoring voltage across a shunt resistor
• Provides amplified output proportional to the measured current
• Wide common-mode voltage range allows for versatile applications
• Low offset voltage ensures accurate current measurement
• External gain setting pin enables customization of gain

Advantages

• High accuracy in current measurement
• Wide operating voltage range
• Small package size for space-constrained designs
• Low power consumption
• Easy to use with external gain setting

Disadvantages

• Limited bandwidth may not be suitable for high-frequency applications
• Requires an external shunt resistor for current sensing

Working Principles

The INA203AIPWR is a current shunt monitor IC that measures the voltage drop across a shunt resistor to determine the current flowing through it. It amplifies this voltage drop and provides an output voltage proportional to the measured current. The device operates by comparing the voltage at the IN+ and IN- pins, and the amplified output is available at the OUT pin.

Detailed Application Field Plans

The INA203AIPWR is commonly used in various applications where accurate current monitoring is required. Some of the typical application fields include: 1. Battery management systems 2. Power supplies and converters 3. Motor control and drives 4. Solar power systems 5. Industrial automation

Detailed and Complete Alternative Models

1. INA202AIPWR: Similar specifications, but with lower gain error
2. INA204AIPWR: Higher bandwidth and lower offset voltage, suitable for high-frequency applications
3. INA205AIPWR: Higher supply voltage range and wider common-mode voltage range

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