Overview
The NCP304LSQ25T1G is a voltage detector from onsemi, designed for use in microprocessor-based systems where precise voltage monitoring is crucial. This device is part of the NCP304 series, which features ultra-low current consumption, making it ideal for battery-powered applications. The NCP304LSQ25T1G offers a highly accurate undervoltage detector with hysteresis, ensuring stable system operation.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 2.44 | 2.50 | 2.56 | V |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.054 | 0.090 | 0.126 | V |
| Supply Current (Pin 2) | Iin | - | 1.0 | 2.4 | μA |
| Maximum Operating Voltage (Pin 2) | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (Pin 2) | Vin(min) | - | - | 0.8 | V |
| Output Transition, High to Low | tpHL | - | - | 100 | ns |
| Output Transition, Low to High | tpLH | - | - | 100 | ns |
| Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices) | IOUT | - | 6.3 | 11 | mA |
| Thermal Resistance, Junction−to−Air | RθJA | - | - | 285 | °C/W |
| Maximum Junction Temperature | TJ | - | - | 125 | °C |
Key Features
- High Accuracy Undervoltage Threshold: The device features a highly accurate undervoltage detector with a threshold accuracy of 2.0%.
- Ultra-Low Current Consumption: Typical quiescent current is 1.0 μA, making it suitable for battery-powered applications.
- Wide Operating Voltage Range: Operates over a wide voltage range from 0.8 V to 10 V.
- Complementary or Open Drain Reset Output: Available with either active high or active low reset output configurations.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-Free and RoHS Compliant: Ensures environmental compliance.
Applications
- Microprocessor Reset Controller: Ideal for resetting microprocessors in various systems.
- Low Battery Detection: Monitors battery voltage levels to prevent system malfunction.
- Power Fail Indicator: Detects power failures and provides a reset signal.
- Battery Backup Detection: Ensures proper operation during battery backup scenarios.
Q & A
- What is the primary function of the NCP304LSQ25T1G?
The primary function is to act as a voltage detector and reset controller in microprocessor-based systems.
- What is the operating voltage range of the NCP304LSQ25T1G?
The device operates over a wide voltage range from 0.8 V to 10 V.
- What are the available reset output configurations for the NCP304 series?
The NCP304 series offers both active high and active low reset output configurations.
- What is the typical quiescent current of the NCP304LSQ25T1G?
The typical quiescent current is 1.0 μA.
- Is the NCP304LSQ25T1G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the maximum junction temperature for the NCP304LSQ25T1G?
The maximum junction temperature is 125°C.
- What are the typical applications of the NCP304LSQ25T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- Is the NCP304LSQ25T1G Pb-free and RoHS compliant?
Yes, the device is Pb-free and RoHS compliant.
- What is the detector threshold hysteresis for the NCP304LSQ25T1G?
The detector threshold hysteresis is between 0.054 V and 0.126 V.
- What is the output transition time for the NCP304LSQ25T1G?
The output transition time (high to low and low to high) is up to 100 ns.
