Overview
The NCS213RSQT2G, produced by onsemi, is a voltage output, current sense amplifier designed for precise current sensing across a wide range of applications. This device is part of the NCS213R series, which includes AEC-Q100 qualified versions for automotive and other demanding environments. The NCS213RSQT2G features a zero-drift architecture, enabling accurate current measurements with low offset voltage and drift. It operates from a single power supply of +2.2 V to +26 V and is available in the SC70-6 package.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Supply Voltage | VS | 2.2 to 26 | V |
| Common-Mode Input Voltage Range | VCM | -0.3 to 26 | V |
| Gain | G | 50 | V/V |
| Input Offset Voltage | VOS | ±100 | μV |
| Input Offset Voltage Drift over Temperature | dVOS/dT | ±0.5 | μV/°C |
| Power Supply Rejection Ratio | PSRR | ±10 | mV/V |
| Quiescent Current | IQ | 40 to 80 | μA |
| Bandwidth (f-3dB) | BW | 90 | kHz |
| Maximum Junction Temperature | TJ(max) | 150 | °C |
| Storage Temperature Range | TSTG | -65 to 150 | °C |
Key Features
- Wide Common Mode Input Range: -0.3 V to 26 V, independent of supply voltage.
- Low Offset Voltage: ±100 μV max.
- Low Offset Drift: 0.5 μV/°C max.
- High Precision: Zero-drift architecture for accurate current sensing.
- Low Power Consumption: Maximum of 80 μA supply current.
- Extended Operating Temperature Range: -40°C to +125°C.
- Compact Package: Available in SC70-6 package.
Applications
- Power Monitoring: For monitoring current in power supplies and adapters.
- Automotive Systems: Suitable for automotive applications due to AEC-Q100 qualification.
- LED Power Supply: For current sensing in LED lighting systems.
- Over Current Protection: In closed-loop feedback circuits and overcurrent protection schemes.
- White Goods and Appliances: For current monitoring in household appliances.
- Laptop/Notebooks and PC: In power management circuits.
- Fast Chargers - Smartphones: For precise current sensing in fast charging applications.
- Telecom DC-DC Modules: For current monitoring in telecom equipment.
- E-Cigarettes and Computing Servers: For precise current control and monitoring.
Q & A
- What is the operating voltage range of the NCS213RSQT2G?
The NCS213RSQT2G operates from a single power supply of +2.2 V to +26 V. - What is the gain of the NCS213RSQT2G?
The gain of the NCS213RSQT2G is 50 V/V. - What is the common-mode input voltage range of the NCS213RSQT2G?
The common-mode input voltage range is from -0.3 V to 26 V. - What is the maximum input offset voltage of the NCS213RSQT2G?
The maximum input offset voltage is ±100 μV. - What is the maximum quiescent current of the NCS213RSQT2G?
The maximum quiescent current is 80 μA. - What is the bandwidth of the NCS213RSQT2G?
The bandwidth (f-3dB) is 90 kHz. - What is the operating temperature range of the NCS213RSQT2G?
The operating temperature range is from -40°C to +125°C. - What package is the NCS213RSQT2G available in?
The NCS213RSQT2G is available in the SC70-6 package. - Is the NCS213RSQT2G AEC-Q100 qualified?
Yes, the NCV213RSQT2G version is AEC-Q100 qualified for automotive and other demanding environments. - What are some typical applications of the NCS213RSQT2G?
Typical applications include power monitoring, automotive systems, LED power supplies, overcurrent protection, and more.
