ON Semiconductor NCS199A1RSQT2G Precision Current Sense Amplifier

The NCS199A1RSQT2G from ON Semiconductor is a high-performance, precision current sense amplifier that provides a versatile solution for current monitoring across a wide array of applications. Designed for bidirectional input common mode voltage range, this device is ideal for both AC and DC current sensing in industrial, automotive, consumer, and telecommunication systems.

Featuring a fixed gain of 20 V/V, the NCS199A1RSQT2G offers a high level of accuracy with a typical input offset voltage of just 35 µV, ensuring precise current measurement. This precision is maintained over the full operating temperature range, making it reliable for use in even the most demanding environments.

One of the key attributes of this current sense amplifier is its zero-drift architecture. This feature minimizes the effects of temperature changes and the passage of time on the offset voltage, guaranteeing stable performance over its lifespan. The device operates over a wide supply voltage range from 2.2 V to 26 V, accommodating various system voltages and offering design flexibility.

The NCS199A1RSQT2G boasts a low input bias current and is optimized for low power consumption, drawing a quiescent current of only 100 µA (typical). This makes it an energy-efficient choice for portable and battery-powered applications where power conservation is critical.

For ease of integration, the NCS199A1RSQT2G is offered in a compact, RoHS-compliant, 6-pin TSOT-23 package. Its small footprint allows for space-saving PCB designs and is suitable for high-density mounting. The device also features an extended operating temperature range from -40°C to +125°C, ensuring reliability in a variety of operating conditions.

Whether you're designing power management systems, overcurrent protection circuits, or battery chargers, the NCS199A1RSQT2G provides the accuracy, reliability, and versatility needed to meet your current sensing requirements. Its combination of features makes it a smart choice for engineers looking for a current sense amplifier that delivers consistent performance without compromising on power efficiency or space.