Overview
The NCV213RSQT2G, manufactured by onsemi, is a voltage output, current sense amplifier designed for high-side current sensing applications. This device is part of the NCS21xR family and features a zero-drift architecture, enabling accurate current sensing across shunts with minimal voltage drops. It operates from a single power supply ranging from +2.2 V to +26 V and draws a maximum of 80 µA of supply current. The NCV213RSQT2G is available in the SC-70-6 package and is suitable for a wide range of applications due to its wide common-mode input voltage range and low offset voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gain | 50 V/V | |
| Gain Error Max | ±1% | |
| Supply Voltage Range | 2.2 to 26 V | V |
| Common-Mode Input Voltage Range | -0.3 to 26 V | V |
| Input Offset Voltage | ±100 µV max. | µV |
| Input Offset Voltage Drift | 0.5 µV/°C max. | µV/°C |
| Quiescent Current | 40 to 80 µA | µA |
| Bandwidth (f-3dB) | 90 kHz | kHz |
| Operating Temperature Range | -40 to 125 °C | °C |
| Common-Mode Rejection Ratio (CMRR) | 100 to 120 dB | dB |
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.
- Low Power Consumption: Maximum of 80 µA supply current.
- High Accuracy: Fixed gain of 50 V/V with minimal gain error.
- Wide Operating Temperature Range: -40°C to 125°C.
- Compact Package: Available in SC-70-6 package.
Applications
- Power Monitoring: For monitoring current in power supplies and adapters.
- Over Current Protection: In systems requiring protection against excessive current.
- Automotive Systems: For high-side current sensing in automotive applications.
- Laptop/Notebooks and PC: In power management circuits.
- Fast Chargers - Smartphones: For accurate current sensing in fast charging applications.
- Telecom DC-DC Modules: In telecommunications equipment.
- Computing Servers: For current monitoring in server power supplies.
- Lighting and LED Power Supplies: For efficient current sensing in lighting systems.
Q & A
- What is the gain of the NCV213RSQT2G current sense amplifier?
The gain of the NCV213RSQT2G is 50 V/V.
- What is the operating voltage range of the NCV213RSQT2G?
The device operates from a single power supply ranging from +2.2 V to +26 V.
- What is the common-mode input voltage range of the NCV213RSQT2G?
The common-mode input voltage range is from -0.3 V to 26 V.
- What is the maximum quiescent current of the NCV213RSQT2G?
The maximum quiescent current is 80 µA.
- What is the bandwidth of the NCV213RSQT2G?
The bandwidth (f-3dB) is 90 kHz.
- What is the operating temperature range of the NCV213RSQT2G?
The operating temperature range is from -40°C to 125°C.
- What package types are available for the NCV213RSQT2G?
The device is available in the SC-70-6 package).
- What are some typical applications of the NCV213RSQT2G?
Typical applications include power monitoring, over current protection, automotive systems, laptop and notebook power management, fast chargers, telecom DC-DC modules, and computing servers).
- What is the input offset voltage of the NCV213RSQT2G?
The input offset voltage is ±100 µV max.).
- What is the common-mode rejection ratio (CMRR) of the NCV213RSQT2G?
The CMRR is 100 to 120 dB).
