Overview
The NCS199A1SQT2G is a voltage output current shunt monitor produced by onsemi. This device is designed to measure voltage across shunts at common-mode voltages ranging from -0.3 V to 26 V, independent of the supply voltage. It features a zero-drift architecture, which enables accurate current sensing with minimal offset voltage. The NCS199A1SQT2G is suitable for a wide range of applications, including industrial and automotive systems, due to its extended operating temperature range and low power consumption.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Gain | G | 50 | - | - | V/V |
| Supply Voltage Range | Vs | 2.7 | - | 26 | V |
| Common-Mode Input Range | Vcm | -0.3 | - | 26 | V |
| Offset Voltage | Vos | - | - | ±150 μV | μV |
| Quiescent Current | IDD | 65 | - | 100 μA | μA |
| Operating Temperature Range | Ta | -40 | - | 125 | °C |
| Bandwidth (f-3dB) | BW | 100 | - | - | kHz |
| Slew Rate | SR | 0.4 | - | - | V/μs |
| Input Voltage Noise Density | en | 35 | - | - | nV/√Hz |
Key Features
- Wide Common-Mode Input Range: -0.3 V to 26 V, independent of supply voltage.
- Supply Voltage Range: 2.7 V to 26 V.
- Low Offset Voltage: ±150 μV maximum, enabling accurate current sensing with minimal drops across the shunt.
- Low Power Consumption: Maximum quiescent current of 100 μA.
- Extended Operating Temperature Range: -40°C to 125°C.
- High Gain Options: Available gains of 50 V/V, 100 V/V, or 200 V/V.
- Small Package Size: SC-70-6 package, suitable for space-constrained applications.
- High CMRR (Common Mode Rejection Ratio): Up to 115 dB.
- Low Noise: Input voltage noise density of 35 nV/√Hz.
Applications
- Industrial Automation: For current sensing in motor control, power management, and industrial automation systems.
- Automotive Systems: Suitable for battery management, motor control, and other automotive applications due to its extended temperature range.
- Power Management: For monitoring current in power supplies, DC-DC converters, and other power management systems.
- Medical Devices: For precise current measurement in medical equipment where low noise and high accuracy are crucial.
- Consumer Electronics: For current sensing in battery-powered devices and other consumer electronics.
Q & A
- What is the primary function of the NCS199A1SQT2G?
The NCS199A1SQT2G is a voltage output current shunt monitor designed to measure voltage across shunts at various common-mode voltages.
- What is the supply voltage range for the NCS199A1SQT2G?
The device can operate from a single supply voltage ranging from 2.7 V to 26 V.
- What are the available gain options for the NCS199A1SQT2G?
The device is available with fixed gains of 50 V/V, 100 V/V, or 200 V/V.
- What is the common-mode input range of the NCS199A1SQT2G?
The common-mode input range is from -0.3 V to 26 V.
- What is the maximum quiescent current of the NCS199A1SQT2G?
The maximum quiescent current is 100 μA.
- What is the operating temperature range of the NCS199A1SQT2G?
The device operates over an extended temperature range of -40°C to 125°C.
- What is the package type of the NCS199A1SQT2G?
The device comes in a SC-70-6 package.
- What is the slew rate of the NCS199A1SQT2G?
The slew rate is 0.4 V/μs.
- What is the input voltage noise density of the NCS199A1SQT2G?
The input voltage noise density is 35 nV/√Hz.
- In what types of applications is the NCS199A1SQT2G commonly used?
The device is commonly used in industrial automation, automotive systems, power management, medical devices, and consumer electronics.
