Overview
The NCP3231MNTXG is part of the NCP300 and NCP301 series of ultra-low current voltage detectors produced by onsemi. These devices are specifically designed for use as reset controllers in portable microprocessor-based systems where extended battery life is crucial. The NCP3231MNTXG features a highly accurate undervoltage detector with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 2.94 | 3.00 | 3.06 | V |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.09 | 0.15 | 0.21 | V |
| Supply Current (Pin 2) | Iin | 0.25 | 0.50 | 1.3 | μA |
| Maximum Operating Voltage (Pin 2) | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (Pin 2) | Vin(min) | 0.55 | 0.65 | 0.80 | V |
| Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices) | IOUT | 0.01 | 1.0 | 2.0 | mA |
| Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices) | IOUT | 6.3 | 11 | - | mA |
| Operating Temperature Range | - | - | - | -40°C to +125°C |
Key Features
- Quiescent Current of 0.5 μA Typical
- High Accuracy Undervoltage Threshold of 2.0%
- Wide Operating Voltage Range of 0.8 V to 10 V
- Complementary or Open Drain Reset Output
- Active Low or Active High Reset Output
- Specified Over the −40°C to +125°C Temperature Range
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
- Pb-Free and RoHS Compliant
Applications
- Microprocessor Reset Controller
- Low Battery Detection
- Power Fail Indicator
- Battery Backup Detection
Q & A
- What is the primary function of the NCP3231MNTXG?
The NCP3231MNTXG is designed as a reset controller for microprocessor-based systems, particularly in portable applications where battery life is critical.
- What is the typical quiescent current of the NCP3231MNTXG?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP3231MNTXG?
The device operates over a voltage range of 0.8 V to 10 V.
- What types of reset outputs are available for the NCP3231MNTXG?
The device is available with either active low or active high reset outputs, and it can have either complementary or open drain output configurations.
- What is the temperature range for the NCP3231MNTXG?
The device is specified to operate over a temperature range of −40°C to +125°C.
- Is the NCP3231MNTXG suitable for automotive applications?
- Is the NCP3231MNTXG Pb-Free and RoHS compliant?
- What are some typical applications for the NCP3231MNTXG?
- What is the detector threshold hysteresis for the NCP3231MNTXG?
- What is the maximum operating voltage for the NCP3231MNTXG?
