INA216A1RSWT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA216A1RSWT is a high-side current shunt and voltage monitor IC. It is designed to accurately measure current and voltage in various applications.

Characteristics: - High accuracy - Low offset voltage - Wide common-mode voltage range - Low quiescent current - Small package size

Package: The INA216A1RSWT is available in a small 16-pin WQFN package, which ensures space-saving integration into electronic devices.

Essence: This IC provides precise current and voltage monitoring capabilities, making it suitable for applications that require accurate power measurements.

Packaging/Quantity: The INA216A1RSWT is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Common-Mode Voltage Range: -0.3V to +26V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.25% (maximum)
• Offset Voltage: ±100µV (maximum)
• Bandwidth: 500kHz (typical)

Pin Configuration

The INA216A1RSWT features a 16-pin WQFN package with the following pin configuration:

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

Functional Features

• Accurate current and voltage sensing
• High-side current shunt measurement
• Wide common-mode voltage range allows for versatile applications
• Low offset voltage ensures precise measurements
• Low quiescent current minimizes power consumption
• Output voltage proportional to the measured current

Advantages and Disadvantages

Advantages: - High accuracy in current and voltage measurements - Wide common-mode voltage range - Low power consumption - Small package size for space-constrained designs

Disadvantages: - Limited number of available pins for additional functionality - Requires external components for complete circuit implementation

Working Principles

The INA216A1RSWT operates based on the principle of measuring the voltage drop across a current-sensing resistor. It amplifies this voltage drop and provides an output voltage that is proportional to the measured current. By accurately measuring the voltage drop, it enables precise current monitoring.

Detailed Application Field Plans

The INA216A1RSWT finds applications in various fields, including but not limited to:

1. Power management systems
2. Battery monitoring and charging circuits
3. Motor control systems
4. Solar energy harvesting systems
5. Industrial automation and control

Detailed and Complete Alternative Models

1. INA219: Similar to the INA216A1RSWT, but with higher precision and additional features.
2. INA226: Offers similar functionality with enhanced accuracy and integrated bus voltage measurement.
3. INA240: Provides high-side current sensing with built-in overcurrent detection and protection features.

These alternative models offer different levels of performance and additional functionalities, allowing users to choose the most suitable option for their specific application requirements.

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