Overview
The NCV301HSN27T1G is a part of the NCP301 series of ultra-low current voltage detectors produced by ON Semiconductor. These devices are designed for use as reset controllers in portable microprocessor-based systems where extended battery life is crucial. The NCV301HSN27T1G features a highly accurate undervoltage detector with hysteresis, which prevents erratic system reset operations as the comparator threshold is crossed.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit | |
|---|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 2.646 | 2.7 | 2.754 | V | |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.081 | 0.135 | 0.189 | V | |
| Supply Current (Pin 2) | Iin | − | − | 0.25 | 0.50 | μA |
| Maximum Operating Voltage (Pin 2) | Vin(max) | − | − | 10 | V | |
| Minimum Operating Voltage (Pin 2) | Vin(min) | 0.55 | 0.65 | 0.70 | V | |
| Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices) | IOUT | − | − | 1.0 | mA |
Key Features
- Ultra-low quiescent current of 0.5 μA typical, ensuring extended battery life in portable systems.
- High accuracy undervoltage threshold with hysteresis to prevent erratic system reset operations.
- Wide operating voltage range from 0.8 V to 10 V.
- Complementary or open drain reset output configurations available.
- Active low or active high reset output options.
- Specified over the −40°C to +125°C temperature range.
- Pb-free and RoHS compliant.
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications.
Applications
- Microprocessor reset controller.
- Low battery detection.
- Power fail indicator.
- Battery backup detection.
Q & A
- What is the primary function of the NCV301HSN27T1G?
The primary function of the NCV301HSN27T1G is to act as a reset controller in microprocessor-based systems, ensuring the system resets correctly when the input voltage falls below a specified threshold.
- What is the typical quiescent current of the NCV301HSN27T1G?
The typical quiescent current is 0.5 μA, which is very low and suitable for battery-powered devices.
- What is the operating voltage range of the NCV301HSN27T1G?
The operating voltage range is from 0.8 V to 10 V.
- What types of reset output configurations are available for the NCV301HSN27T1G?
The device is available with either complementary or open drain reset output configurations, and it can have either an active low or active high reset output.
- Is the NCV301HSN27T1G suitable for automotive applications?
- What is the temperature range over which the NCV301HSN27T1G is specified?
The device is specified over the −40°C to +125°C temperature range.
- Is the NCV301HSN27T1G Pb-free and RoHS compliant?
- What is the detector threshold hysteresis for the NCV301HSN27T1G?
The detector threshold hysteresis is typically 0.135 V.
- What is the maximum reset output current for the NCV301HSN27T1G?
The maximum reset output current for active low devices is typically 1.0 mA.
- In what package is the NCV301HSN27T1G available?
The device is available in the Thin TSOP-5 package.
