Overview
The NCS199A1RSQT2G is a current-shunt monitor produced by onsemi, designed for precise current sensing in various applications. This device is part of the NCS199AxR series, which includes the NCS199A1R, NCS199A2R, and NCS199A3R models. It features a voltage output and is capable of bidirectional, zero-drift current sensing. The NCS199A1RSQT2G operates from a single power supply ranging from +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 |
| Offset Voltage | VOS | ±150 μV max | μV |
| Gain Error | EG | ±1.5% max | % |
| Gain | G | 50 V/V | V/V |
| Quiescent Current | IQ | 40 μA typ, 80 μA max | μA |
| Operating Temperature Range | TA | -40°C to +125°C | °C |
| Package | SC70-6 |
Key Features
- Wide Common Mode Input Range: -0.3 V to 26 V
- Low Offset Voltage: ±150 μV max
- Low Offset Drift: 0.5 μV/°C max
- Low Gain Error: ±1.5% max
- Rail-to-Rail Output Capability
- Low Current Consumption: 40 μA typ, 80 μA max
- Operating from a single +2.2 V to +26 V power supply
- Available in SC70-6 package
Applications
- Current Sensing (High-Side/Low-Side)
- Telecom
- Power Management
- Battery Charging and Discharging
Q & A
- What is the operating voltage range of the NCS199A1RSQT2G?
The NCS199A1RSQT2G operates from a single power supply ranging from +2.2 V to +26 V.
- What is the common-mode input voltage range of this device?
The common-mode input voltage range is from -0.3 V to 26 V.
- What is the maximum offset voltage of the NCS199A1RSQT2G?
The maximum offset voltage is ±150 μV.
- What is the gain of the NCS199A1RSQT2G?
The gain of the NCS199A1RSQT2G is 50 V/V.
- What is the typical quiescent current of this device?
The typical quiescent current is 40 μA, with a maximum of 80 μA.
- What is the operating temperature range of the NCS199A1RSQT2G?
The operating temperature range is from -40°C to +125°C.
- In what package is the NCS199A1RSQT2G available?
The NCS199A1RSQT2G is available in the SC70-6 package.
- Can the NCS199A1RSQT2G be used for both high-side and low-side current sensing?
Yes, the NCS199A1RSQT2G can be configured for both high-side and low-side current sensing.
- What are some typical applications of the NCS199A1RSQT2G?
Typical applications include current sensing, telecom, power management, and battery charging and discharging.
- How does the REF pin need to be connected in the NCS199A1RSQT2G?
The REF pin must always be connected to a low impedance circuit, such as a voltage supply or voltage reference.
