INA220BQDGSRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA220BQDGSRQ1 is a high-side current/power monitor IC that provides accurate measurement of current, voltage, and power in automotive and industrial applications.

Characteristics: - High accuracy current sensing - Wide input voltage range - Low offset voltage - High common-mode rejection ratio - Temperature compensation - Built-in diagnostic features

Package: The INA220BQDGSRQ1 is available in a small 10-pin VSSOP package.

Essence: This IC is designed to accurately measure current and power consumption in various systems, providing valuable data for monitoring and control purposes.

Packaging/Quantity: The INA220BQDGSRQ1 is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Current Measurement Range: ±1.2A
• Voltage Measurement Range: 0V to 26V
• Power Calculation Accuracy: ±0.5%
• Quiescent Current: 350µA (typical)

Detailed Pin Configuration

The INA220BQDGSRQ1 has the following pin configuration:

1. V+ (Positive supply voltage)
2. V- (Negative supply voltage)
3. SDA (I2C serial data input/output)
4. SCL (I2C serial clock input)
5. ADDR (Device address selection)
6. ALERT (Alert output)
7. NC (No connection)
8. OUT (Current sense output)
9. GND (Ground)
10. REF (Reference voltage input)

Functional Features

• Accurate current and power measurement
• I2C interface for easy communication with microcontrollers
• Programmable alert thresholds for fault detection
• Temperature compensation for improved accuracy
• Built-in self-diagnostic features for system monitoring

Advantages and Disadvantages

Advantages: - High accuracy measurement - Wide input voltage range - Small package size - Diagnostic features enhance system reliability - Suitable for automotive and industrial applications

Disadvantages: - Limited current measurement range compared to some other ICs - Requires I2C interface for communication

Working Principles

The INA220BQDGSRQ1 operates by measuring the voltage drop across a shunt resistor in series with the load. This voltage drop is proportional to the current flowing through the load. By accurately measuring this voltage drop, the IC can calculate the current and power consumption.

Detailed Application Field Plans

The INA220BQDGSRQ1 is widely used in various applications, including:

1. Battery management systems in electric vehicles
2. Power supply monitoring in industrial equipment
3. Solar panel monitoring and control systems
4. Motor control and protection circuits
5. Energy monitoring in smart home systems

Detailed and Complete Alternative Models

1. INA219BQDBVR - Similar functionality with a lower current measurement range.
2. INA226AQDCKRQ1 - Higher current measurement range with additional features like bus voltage measurement.
3. MAX471ESA+ - Alternative IC with similar functionality but different pin configuration.

These alternative models offer different specifications and pin configurations, allowing users to choose the most suitable option for their specific application requirements.

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