Overview
The NCP302HSN30T1G is a part of the NCP302 series, which are second-generation ultra-low current voltage detectors produced by onsemi. These devices are designed for use as reset controllers in portable microprocessor-based systems where extended battery life is crucial. The NCP302 series features highly accurate undervoltage detection with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations.
Key Specifications
| Characteristic | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Detector Threshold (VDET-) | V | 2.91 | 2.84 | 3.00 |
| Detector Threshold Hysteresis (VHYS) | V | 0.15 | 0.09 | 0.21 |
| Supply Current (Iin) | μA | 0.5 | 0.25 | 1.3 |
| Quiescent Current | μA | 0.5 | - | - |
| Operating Voltage Range | V | - | 0.8 | 10 |
| Reset Output Current (Active Low) | mA | - | 0.01 | 3.5 |
| Reset Output Current (Active High) | mA | - | 6.3 | 11 |
| Operating Temperature Range | °C | - | -40 | 125 |
| Delay Capacitor Pin Threshold Voltage (VTCD) | V | 1.49 | 1.34 | 1.68 |
| Delay Capacitor Pin Sink Current (ICD) | μA | 200 | 120 | 3600 |
Key Features
- Highly accurate undervoltage detection with hysteresis.
- Externally programmable time delay generator.
- Ultra-low quiescent current of 0.5 μA typical.
- Wide operating voltage range from 0.8 V to 10 V.
- Complementary or open-drain output configurations.
- Active low or active high reset options.
- Specified over the -40°C to +125°C temperature range.
Applications
The NCP302HSN30T1G is ideal for use in portable microprocessor-based systems, such as handheld devices, smartphones, and other battery-powered electronics where extended battery life and reliable reset functionality are critical.
It is also suitable for automotive and industrial applications requiring robust and accurate voltage monitoring.
Q & A
- What is the primary function of the NCP302HSN30T1G?
The primary function is to act as a reset controller with undervoltage detection and a programmable time delay generator in microprocessor-based systems.
- What is the typical quiescent current of the NCP302HSN30T1G?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP302HSN30T1G?
The operating voltage range is from 0.8 V to 10 V.
- What types of output configurations are available for the NCP302 series?
The NCP302 series offers complementary output and open-drain N-Channel output configurations.
- Can the NCP302HSN30T1G be used in automotive applications?
Yes, it can be used in automotive and other applications requiring unique site and control change requirements.
- What is the temperature range over which the NCP302HSN30T1G is specified?
The device is specified over the -40°C to +125°C temperature range.
- How is the time delay generated in the NCP302HSN30T1G?
The time delay is generated using an externally programmable time delay generator.
- What is the detector threshold hysteresis for the NCP302HSN30T1G?
The detector threshold hysteresis is typically 0.15 V.
- What is the maximum reset output current for active low devices?
The maximum reset output current for active low devices is 3.5 mA.
- What is the maximum operating voltage for the NCP302HSN30T1G?
The maximum operating voltage is 10 V.
