INA303A3IPWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
• Package: SOT-23-6
• Essence: Monitors current flowing through a shunt resistor in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 18V
• Input Common-Mode Voltage Range: -0.1V to +26V
• Quiescent Current: 60µA
• Gain Error: ±0.5%
• Offset Voltage: ±100µV
• Bandwidth: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. V+ (Positive Supply Voltage)
2. V- (Negative Supply Voltage)
3. IN- (Inverting Input)
4. IN+ (Non-Inverting Input)
5. OUT (Output)
6. REF (Reference Voltage)

Functional Features

• Measures the voltage across a shunt resistor to determine the current flowing through it
• Provides a differential output voltage proportional to the sensed current
• Supports bidirectional current sensing
• Offers high accuracy and linearity over a wide temperature range
• Includes an internal reference voltage for precise measurements

Advantages

• High accuracy and low offset voltage ensure reliable current monitoring
• Wide common-mode voltage range allows for versatile applications
• Small package size (SOT-23-6) enables space-constrained designs
• Low quiescent current minimizes power consumption

Disadvantages

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

Working Principles

The INA303A3IPWR is a current shunt monitor IC that utilizes the voltage across a shunt resistor to measure current. It operates by amplifying the small voltage drop across the shunt resistor and providing a differential output voltage proportional to the sensed current. The internal circuitry ensures high accuracy, low offset voltage, and wide common-mode voltage range for precise current monitoring.

Detailed Application Field Plans

The INA303A3IPWR is commonly used in various applications where accurate current monitoring is required. Some of its application fields include: - Battery management systems - Power supplies and converters - Motor control and protection - Overcurrent detection and fault diagnosis - Current sensing in automotive electronics

Detailed and Complete Alternative Models

• INA301A1IPWR: Similar specifications, SOT-23-5 package
• INA302A2IPWR: Higher bandwidth, SOT-23-6 package
• INA304A4IPWR: Lower gain error, SOT-23-6 package
• INA305A5IPWR: Higher supply voltage range, SOT-23-5 package

(Note: This list is not exhaustive and other alternative models may exist.)

This encyclopedia entry provides an overview of the INA303A3IPWR, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. With its high accuracy and wide common-mode voltage range, this current shunt monitor IC offers reliable current sensing capabilities in various electronic systems.