Overview
The NCS210RSQT2G, produced by onsemi, is a high-performance current-shunt monitor with a voltage output. This device is part of the NCS210R family, which includes bidirectional, zero-drift current sense amplifiers. It is designed to measure voltage across shunts at common-mode voltages ranging from -0.3 V to 26 V, independent of the supply voltage. The NCS210RSQT2G operates from a single +2.2 V to +26 V power supply and is specified over an extended operating temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Supply Voltage | VS | 2.2 to 26 | V |
| Analog Input Voltage (Differential) | VIN+, VIN- | -30 to +30 | V |
| Common-Mode Input Voltage Range | VCM | -0.3 to 26 | V |
| Gain | G | 200 | V/V |
| Input Offset Voltage | VOS | ±0.55 to ±35 | μV |
| Input Offset Voltage Drift over Temperature | dVOS/dT | ±0.1 to ±0.5 | μV/°C |
| Quiescent Current | IQ | 40 to 80 | μA |
| Maximum Junction Temperature | TJ(max) | 150 | °C |
| Storage Temperature Range | TSTG | -65 to 150 | °C |
| ESD Capability, Human Body Model | HBM | ±2000 | V |
| Bandwidth (f-3dB) | BW | 40 kHz | |
| Slew Rate | SR | 1 V/μs | |
| Voltage Noise Density | en | 45 nV/√Hz |
Key Features
- Zero-Drift Architecture: Enables accurate current sensing with minimal offset voltage, allowing for precise measurements even at low voltage drops across the shunt.
- Wide Common-Mode Range: Operates at common-mode voltages from -0.3 V to 26 V, making it versatile for various applications.
- High Gain Accuracy: Provides a gain of 200 V/V with low gain error, ensuring reliable and accurate output voltage.
- Low Power Consumption: Draws a maximum of 80 μA of supply current, making it power-efficient.
- Extended Operating Temperature Range: Specified to operate from -40°C to +125°C, suitable for harsh environments.
- High ESD Capability: Offers ±2000 V ESD protection, enhancing device reliability.
- Flexible Output Configuration: Can be configured for both voltage and current output, allowing for remote current sensing applications.
Applications
- Automotive Systems: Suitable for battery management, motor control, and other automotive applications due to its robust specifications and automotive-grade variants (NCV prefix).
- Industrial Automation: Used in current monitoring for motors, power supplies, and other industrial equipment.
- Power Management: Ideal for monitoring current in power supplies, DC-DC converters, and other power management systems.
- Medical Devices: Can be used in medical equipment that requires precise current monitoring, such as in patient monitoring systems or medical power supplies.
- Remote Sensing: The ability to convert voltage output to current output makes it suitable for remote sensing applications where signal integrity over long distances is crucial.
Q & A
- What is the operating voltage range of the NCS210RSQT2G?
The NCS210RSQT2G operates from a single +2.2 V to +26 V power supply.
- What is the common-mode input voltage range of the NCS210RSQT2G?
The common-mode input voltage range is from -0.3 V to 26 V.
- What is the gain of the NCS210RSQT2G?
The gain of the NCS210RSQT2G is 200 V/V.
- What is the input offset voltage of the NCS210RSQT2G?
The input offset voltage is ±0.55 to ±35 μV.
- What is the quiescent current of the NCS210RSQT2G?
The quiescent current is 40 to 80 μA.
- What is the maximum junction temperature of the NCS210RSQT2G?
The maximum junction temperature is 150°C.
- What is the ESD capability of the NCS210RSQT2G?
The ESD capability is ±2000 V according to the Human Body Model.
- Can the NCS210RSQT2G be used for remote current sensing?
- What are some typical applications of the NCS210RSQT2G?
Typical applications include automotive systems, industrial automation, power management, and medical devices.
- What is the bandwidth of the NCS210RSQT2G?
The bandwidth (f-3dB) of the NCS210RSQT2G is 40 kHz.
