INA216A3YFFR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA216A3YFFR is a high-side current shunt and voltage monitor IC. It is designed to accurately measure current and voltage in various applications, such as power management systems, battery monitoring, and motor control.

Characteristics: - High accuracy current sensing - Wide input voltage range - Low offset voltage - Low quiescent current - Small package size - Easy to integrate into existing circuit designs

Package: The INA216A3YFFR is available in a small 8-pin VSSOP package, which allows for space-saving integration into compact electronic devices.

Essence: The essence of the INA216A3YFFR lies in its ability to provide precise current and voltage measurements, enabling efficient power management and accurate monitoring in a wide range of applications.

Packaging/Quantity: The INA216A3YFFR is typically sold in reels or tubes, with quantities varying depending on the supplier and customer requirements.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Current Measurement Range: ±4A
• Voltage Measurement Range: 0V to Vcc
• Quiescent Current: 60µA (typical)
• Offset Voltage: 100µV (maximum)
• Gain Error: 0.1% (maximum)

Pin Configuration

The INA216A3YFFR features an 8-pin VSSOP package with the following pin configuration:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply/Ground)
3. OUT (Output Voltage)
4. REF (Reference Voltage)
5. IN+ (Positive Current Sense Input)
6. IN- (Negative Current Sense Input)
7. SET (Gain Setting)
8. NC (No Connection)

Functional Features

1. High-Side Current Sensing: The INA216A3YFFR allows for accurate measurement of current on the high-side of a circuit, eliminating the need for a low-side shunt resistor.

2. Voltage Monitoring: In addition to current sensing, the INA216A3YFFR can also measure voltage, providing a comprehensive solution for power management and monitoring applications.

3. Wide Input Voltage Range: The IC supports a wide input voltage range, making it suitable for various systems and devices.

4. Low Offset Voltage: The low offset voltage ensures precise measurements, minimizing errors in current and voltage readings.

5. Low Quiescent Current: With a low quiescent current, the INA216A3YFFR minimizes power consumption, making it ideal for battery-powered applications.

Advantages and Disadvantages

Advantages: - Accurate current and voltage measurements - Wide input voltage range - Small package size for space-constrained designs - Low power consumption - Eliminates the need for a low-side shunt resistor

Disadvantages: - Limited current measurement range (±4A) - Requires external gain setting for specific applications

Working Principles

The INA216A3YFFR utilizes a precision current-sensing amplifier and a voltage monitor to accurately measure current and voltage in a high-side configuration. It employs a differential amplifier to amplify the voltage across a shunt resistor, enabling precise current measurements. The IC also includes a voltage divider network to measure the voltage across the load.

Application Field Plans

The INA216A3YFFR finds applications in various fields, including:

1. Power Management Systems: The IC is used in power management systems to monitor current and voltage levels, enabling efficient power distribution and protection.

2. Battery Monitoring: In battery-powered devices, the INA216A3YFFR can accurately measure current and voltage to monitor battery health, estimate remaining capacity, and prevent overcharging or discharging.

3. Motor Control: The IC is employed in motor control systems to measure current and voltage, allowing for precise control and protection of motors.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the INA216A3YFFR:

1. INA219: This IC offers higher current measurement range (up to ±26A) and additional features such as programmable calibration and alert functions.

2. MAX4080: With a wide input voltage range and high accuracy, this IC is suitable for applications requiring precise current sensing.

3. ACS712: This Hall-effect based current sensor provides galvanic isolation and is available in various current ranges, making it versatile for different applications.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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