HLF1302 – Trickle Charging Real-Time Clock (SOP8) Low-Power RTC with Trickle Charger | 2.0 V–5.5 V | <1 µA | –20 °C to +85 °C | Surface-Mount Package

The HLF1302 (SOP8) is a highly integrated real-time clock (RTC) IC with a built-in trickle charger designed for timekeeping and calendar functions in low-power systems. It maintains accurate seconds, minutes, hours, days, months, and years, with automatic leap-year compensation. Its extremely low power consumption (<1 µA) makes it ideal for battery-backed or portable applications.

Key Features:

• Function: Trickle Charging Real-Time Clock (RTC)

• Operating Voltage: 2.0 V – 5.5 V

• Supply Current: <1 µA (typical)

• Operating Temperature: –20 °C to +85 °C

• Package Type: SOP8 (Small Outline Package)

• Mounting Type: Surface-Mount

• Integrated Trickle Charger for Backup Power

• Full Calendar with Leap Year Compensation

• I²C Serial Interface Compatible

• Low Power Consumption for Battery Operation

• Accurate Timekeeping in Standby Mode

Applications:

• Real-Time Clock Modules

• Battery-Operated Systems

• Industrial Timekeeping Equipment

• IoT Devices and Smart Meters

• Consumer Electronics (TVs, Cameras, DVRs)