INA199C3DCKR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA199C3DCKR is a high-side current shunt monitor IC. It is designed to accurately measure current flowing through a shunt resistor in various applications.

Characteristics: - High accuracy and precision - Wide input voltage range - Low offset voltage and drift - Small package size for space-constrained designs - Low power consumption

Package: DCK (SOT-23) package

Essence: The INA199C3DCKR is an essential component in current sensing circuits, enabling accurate measurement and monitoring of current flow.

Packaging/Quantity: The INA199C3DCKR is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 2.7V to 26V
• Common-Mode Voltage Range: -0.3V to V+ + 0.3V
• Input Offset Voltage: ±150µV (maximum)
• Gain Error: ±0.5% (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The INA199C3DCKR has the following pin configuration:

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

Functional Features

• High-side current sensing: The INA199C3DCKR allows accurate measurement of current on the high side of the circuit, eliminating the need for a low-side shunt resistor.
• Wide input voltage range: The IC can operate with supply voltages ranging from 2.7V to 26V, making it suitable for a wide range of applications.
• Low offset voltage and drift: The INA199C3DCKR exhibits low offset voltage and drift, ensuring accurate current measurements over time.
• High accuracy: With a gain error of ±0.5% (maximum), the IC provides precise current sensing capabilities.
• Small package size: The DCK (SOT-23) package offers a compact form factor, ideal for space-constrained designs.
• Low power consumption: The INA199C3DCKR consumes minimal power, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Accurate and precise current measurement - Wide input voltage range - Low offset voltage and drift - Compact package size - Low power consumption

Disadvantages: - Limited bandwidth compared to some other current shunt monitor ICs - Higher cost compared to basic current sensing solutions

Working Principles

The INA199C3DCKR operates based on the principle of measuring the voltage drop across a shunt resistor. It amplifies this voltage drop and provides an output proportional to the current flowing through the shunt resistor. By accurately measuring this voltage, the IC enables precise current monitoring in various applications.

Detailed Application Field Plans

The INA199C3DCKR finds applications in a wide range of fields, including:

1. Power management systems
2. Battery charging and monitoring
3. Motor control systems
4. Solar energy systems
5. Automotive electronics
6. Industrial automation

In these fields, the INA199C3DCKR is used to measure and monitor current flow accurately, enabling efficient and reliable operation of various systems.

Detailed and Complete Alternative Models

1. INA199A3DCKR: Similar to the INA199C3DCKR, but with a different gain range.
2. INA199B3DCKR: Similar to the INA199C3DCKR, but with a different gain range and additional features.
3. INA199D3DCKR: Similar to the INA199C3DCKR, but with a different gain range and higher bandwidth.

These alternative models offer similar functionality with slight variations in specifications, catering to different application requirements.

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