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PCF8523TK/1,118

PCF8523TK/1,118 Description

The PCF8523TK/1,118 is a highly efficient Real-Time Clock (RTC) and calendar IC from NXP Semiconductors, designed for precision timekeeping in low-power embedded systems. This surface-mount device operates over a wide voltage range of 1.6V to 5.5V, making it suitable for battery-backed applications. It features an I²C interface for seamless integration with microcontrollers and supports a 12/24-hour time format (HH:MM:SS) with leap year compensation. The RTC is housed in an 8-pin HVSON package, optimized for compact designs, and is RoHS3 compliant with REACH unaffected status, ensuring environmental and regulatory compliance.

PCF8523TK/1,118 Features

• Ultra-Low Power Consumption: Consumes only 0.5µA (max) during timekeeping at 2V–5V, ideal for battery-operated devices.
• Advanced Functionality: Includes alarm, watchdog timer, and leap year correction, enhancing system reliability.
• Wide Voltage Range: Supports 1.8V–5.5V battery backup, ensuring uninterrupted operation during power loss.
• Robust Design: MSL 1 (Unlimited) moisture sensitivity allows for extended storage without degradation.
• High Integration: Combines clock/calendar functions with programmable features, reducing external component count.

PCF8523TK/1,118 Applications

This RTC is ideal for applications requiring precise timekeeping with minimal power draw, such as:

• IoT Devices: Smart sensors, wearables, and edge computing nodes benefit from its low current consumption.
• Industrial Systems: Automation controllers and data loggers leverage its watchdog timer for fault recovery.
• Consumer Electronics: Smart meters, medical devices, and appliances utilize its alarm and calendar functions.
• Automotive: Backup power support ensures reliability in infotainment and telematics systems.

Conclusion of PCF8523TK/1,118

The PCF8523TK/1,118 stands out for its low power, high accuracy, and integrated features, making it a superior choice for modern embedded systems. Its wide operating voltage, compact form factor, and compliance with environmental standards ensure versatility across industries. Whether for IoT, industrial, or consumer applications, this RTC delivers reliable performance with minimal design overhead.