BL55028 Smart Meter IC, LCD Display Driver, 4×19 SEG, Ultra-Low Power, SOP28

The BL55028 is an ultra-low power LCD display driver IC designed for smart meter and energy monitoring applications. It supports a 4×19 segment LCD configuration and features a two-wire serial interface for easy MCU communication. With extremely low current consumption in both power-saving and normal modes, it is ideal for battery-powered metering systems.

Key Specifications

• LCD Configuration: 4 × 19 SEG

• Power Saving Current (IDD): 9µA @ 3.3V

• Normal Mode Current (IDD): 25µA @ 5V

• Interface: Two-wire serial

• Supply Voltage: 2.5V – 5.5V

• Package: SOP28

Applications

• Smart electricity meters

• Gas and water meters

• Low-power LCD display systems

Features

• Ultra-low power consumption

• Simple two-wire serial interface

• Optimized for battery-powered meters