INA199A1DCKR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA199A1DCKR is a high-side current shunt monitor IC designed for precise current measurement in various applications. It provides accurate current sensing and monitoring capabilities, making it suitable for use in power management systems, battery chargers, motor control, and other similar 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: The INA199A1DCKR is available in a small SOT-23-5 package, which is compact and easy to integrate into circuit designs.

Essence: The essence of the INA199A1DCKR lies in its ability to accurately measure current in high-side applications, providing valuable information for system monitoring and control.

Packaging/Quantity: The INA199A1DCKR is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 26V
• Input Common-Mode Voltage Range: -0.3V to V+ + 0.3V
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.5% (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA199A1DCKR features a standard 5-pin SOT-23 package with the following pin configuration:

```

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| | --+----+-- | | 1| |5 |____| | | 2| |4 |____| | | 3| | |____| ```

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

Functional Features

• High-side current sensing
• Wide input voltage range for versatile applications
• Low offset voltage and drift for accurate measurements
• Built-in reference voltage output for system calibration
• Small package size for space-constrained designs
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - Accurate and precise current measurement - Wide input voltage range allows for flexible usage - Compact package size enables easy integration into various designs - Low power consumption helps conserve energy - Built-in reference voltage simplifies system calibration

Disadvantages: - Limited to high-side current sensing applications - Requires external components for complete circuit implementation - May not be suitable for low-voltage applications

Working Principles

The INA199A1DCKR operates based on the principle of measuring the voltage drop across a shunt resistor placed in series with the load. By amplifying this voltage drop, it accurately represents the current flowing through the load. The IC's internal circuitry ensures minimal offset voltage and drift, resulting in precise current measurements.

Detailed Application Field Plans

The INA199A1DCKR finds application in various fields, including:

1. Power Management Systems: Enables accurate current monitoring in power supplies, DC-DC converters, and voltage regulators.
2. Battery Chargers: Provides precise current measurement for battery charging circuits, ensuring optimal charging rates and preventing overcharging.
3. Motor Control: Facilitates current sensing in motor control systems, allowing for efficient control and protection against overload conditions.
4. Industrial Automation: Enables current monitoring in industrial equipment, facilitating system diagnostics and preventive maintenance.
5. Automotive Electronics: Used in automotive applications such as electric vehicle charging systems, battery management, and motor control.

Detailed and Complete Alternative Models

1. INA199A2DCKR: Similar to the INA199A1DCKR, but with a different pin configuration.
2. INA199B1DCKR: Offers similar functionality with slight variations in specifications.
3. INA199C1DCKR: Provides enhanced features and performance compared to the INA199A1DCKR.

These alternative models offer similar current sensing capabilities and can be considered based on specific design requirements.

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