onsemi

N84C161WD28TG

N84C161WD28TG Description

The N84C161WD28TG is a single-channel voltage supervisor IC from onsemi, designed for precision monitoring of power supply voltages in electronic systems. Housed in an 8-SOIC package and delivered in Tape & Reel (TR), this surface-mount device ensures reliable operation with a 2.85V threshold voltage, making it suitable for low-voltage applications. It features an open-drain/open-collector output with configurable active high/low reset functionality, providing flexibility in system design. With a minimum reset timeout of 130ms, it guarantees stable power-up sequencing, critical for microcontrollers, FPGAs, and other sensitive components. Compliant with ROHS3 and REACH standards, it meets stringent environmental regulations while offering unlimited moisture sensitivity (MSL 1) for extended shelf life.

N84C161WD28TG Features

• Single-Channel Monitoring: Dedicated to monitoring 1 voltage rail with a precise 2.85V threshold.
• Configurable Reset Logic: Supports active high or active low reset output for compatibility with diverse systems.
• Fast Response: 130ms minimum reset timeout ensures quick recovery from power anomalies.
• Robust Output: Open-drain/open-collector output allows easy integration with pull-up resistors or external logic.
• Environmental Compliance: ROHS3 and REACH compliant, with MSL 1 (unlimited) for handling flexibility.
• Last-Time-Buy Status: Ideal for legacy systems requiring long-term reliability.

N84C161WD28TG Applications

• Embedded Systems: Ensures safe power-up/down sequencing for MCUs and DSPs.
• Industrial Controls: Monitors supply voltages in PLCs, motor drives, and sensors.
• Consumer Electronics: Protects smart home devices, wearables from undervoltage conditions.
• Automotive Electronics: Suitable for infotainment and ADAS modules requiring stable power management.
• Legacy Upgrades: Perfect for retrofitting older designs due to its last-time-buy availability.

Conclusion of N84C161WD28TG

The N84C161WD28TG stands out for its precision voltage monitoring, flexible reset options, and robust industrial compliance. Its open-drain output and 130ms reset timeout make it a versatile choice for applications demanding reliable power supervision. While marked as last-time-buy, it remains a critical solution for legacy and new designs requiring fail-safe voltage protection. Engineers can leverage its low-threshold monitoring and surface-mount form factor to enhance system reliability in automotive, industrial, and consumer electronics.