NCS213RSQT2G: High-Performance Current Sense Amplifier from onsemi

The NCS213RSQT2G is a cutting-edge current sense amplifier designed and manufactured by onsemi, a global leader in semiconductor solutions. This precision IC is engineered for applications requiring accurate current measurement, making it an ideal choice for engineers working on power management, motor control, and battery monitoring systems. Below, we explore the detailed features, specifications, and real-world applications of this high-performance amplifier.

Introduction to the NCS213RSQT2G Current Sense Amplifier

Manufacturer and Availability

Manufactured by onsemi, a trusted name in the semiconductor industry, the NCS213RSQT2G is currently listed as Active, ensuring availability for new designs and production runs.

Product Category

This device belongs to the Integrated Circuits (ICs) category, specifically under Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps. Its primary role is as a Current Sense Amplifier, designed for precision current monitoring in various electronic systems.

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Detailed Technical Specifications

Amplifier Type and Functionality

The NCS213RSQT2G is a dedicated Current Sense Amplifier, optimized to measure small voltage drops across shunt resistors with high accuracy. This functionality is critical for applications like:

• Power supply current monitoring
• Battery charge/discharge tracking
• Motor current control
• Overcurrent protection circuits

Key Performance Parameters

Number of Circuits: 1 (Single-channel design for simplified implementation)
Output Type: Rail-to-Rail (Maximizes dynamic range)
Slew Rate: 1V/ s (Ensures fast response to current changes)
Bandwidth: 90 kHz (-3dB point for signal fidelity)
Input Bias Current: 39 A (Minimizes measurement errors)
Input Offset Voltage: 5 V (Exceptional accuracy for precise measurements)
Supply Current: 40 A (Ultra-low power operation)
Supply Voltage Range: 2.2V to 26V (Wide operating range for versatility)
Operating Temperature: -40 C to +125 C (Suitable for harsh environments)

Package Information

The amplifier comes in a compact 6-TSSOP, SC-88, SOT-363 package (also known as SC-88/SC70-6/SOT-363), making it ideal for space-constrained applications. The surface-mount design facilitates easy PCB integration in modern electronic devices.

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Advanced Features and Benefits

Precision Current Sensing

With its ultra-low 5 V input offset voltage, the NCS213RSQT2G delivers exceptional measurement accuracy, critical for:

• Battery management systems (BMS) in electric vehicles
• Precision power supplies
• Energy monitoring systems

Wide Voltage Range Operation

The 2.2V to 26V supply range makes this amplifier versatile for:

• Low-voltage portable devices
• Industrial 24V systems
• Automotive applications

Robust Performance Across Temperatures

The extended -40 C to +125 C operating temperature range ensures reliable performance in:

• Outdoor equipment
• Industrial automation systems
• Automotive under-hood applications

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Comprehensive Applications Guide

Motor Control Systems

In motor control applications, the NCS213RSQT2G provides:

• Accurate current feedback for closed-loop control
• Overcurrent detection for motor protection
• Efficiency optimization through precise current monitoring

Battery Management Solutions

For battery-powered systems, this amplifier enables:

• Precise state-of-charge calculations
• Charge/discharge current monitoring
• Battery health diagnostics

Power Supply Monitoring

In power conversion systems, the device offers:

• Current measurement for voltage regulators
• Load monitoring in DC-DC converters
• Power budgeting in complex systems

Industrial Automation

The amplifier supports industrial applications through:

• PLC current sensing
• Equipment protection circuits
• Process control instrumentation

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Design Considerations and Implementation Tips

PCB Layout Recommendations

For optimal performance:

• Place the amplifier close to the shunt resistor
• Use proper grounding techniques
• Minimize trace lengths for sensitive signals

Thermal Management

While the small package has excellent thermal characteristics:

• Ensure adequate copper area for heat dissipation
• Consider thermal vias for high-current applications

Filtering and Noise Reduction

To enhance signal integrity:

• Implement proper bypass capacitors
• Consider input filtering for noisy environments

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Why the NCS213RSQT2G Stands Out

The NCS213RSQT2G current sense amplifier from onsemi combines:

• Industry-leading precision (5 V offset)
• Ultra-low power consumption (40 A)
• Wide operating voltage range (2.2V-26V)
• Compact footprint (SOT-363 package)
• Robust temperature performance (-40 C to +125 C)

These features make it the preferred choice for demanding current measurement applications across automotive, industrial, and consumer electronics.

For technical support, design resources, or purchasing information, visit our website or contact our sales team today. The NCS213RSQT2G is ready to enhance your current sensing solutions with its unmatched combination of performance and reliability.