INA303A1IPWR

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 5.5V
• Input Common-Mode Voltage Range: -0.3V to Vcc+0.3V
• Quiescent Current: 60µA
• Gain Error: ±0.5%
• Offset Voltage: ±100µV
• Bandwidth: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

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

Functional Features

• Measures current by monitoring voltage across a shunt resistor
• High accuracy and low offset voltage ensure precise current measurement
• Wide common-mode voltage range allows for versatile applications
• Adjustable gain setting for flexibility in different current ranges
• Low quiescent current minimizes power consumption
• Fast response time with a bandwidth of 500kHz

Advantages

• High accuracy ensures reliable current measurements
• Wide common-mode voltage range accommodates various circuit configurations
• Low offset voltage reduces measurement errors
• Adjustable gain setting provides flexibility for different current ranges
• Low quiescent current prolongs battery life in portable applications

Disadvantages

• Limited to measuring current through a shunt resistor
• Requires an external shunt resistor for current sensing

Working Principles

The INA303A1IPWR 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 output voltage proportional to the current. The gain of the amplifier can be adjusted using the SET pin to match the desired current range.

Detailed Application Field Plans

The INA303A1IPWR is commonly used in various applications where accurate current monitoring is required. Some potential application fields include: - Battery management systems - Power supplies and converters - Motor control and drive systems - Solar power systems - Automotive electronics - Industrial automation

Detailed and Complete Alternative Models

• INA301A1IPWR
• INA302A1IPWR
• INA304A1IPWR
• INA305A1IPWR
• INA306A1IPWR
• INA307A1IPWR
• INA308A1IPWR
• INA309A1IPWR
• INA310A1IPWR

These alternative models offer similar functionality and performance characteristics, providing options for different design requirements.

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