The HV5812WG is a 64-channel serial-to-parallel converter with high-voltage outputs, manufactured by Microchip (formerly Supertex). This device is designed to drive various types of displays, including electroluminescent (EL), vacuum fluorescent (VF), plasma, and LED displays. It allows for efficient control of numerous display elements using a minimal number of input lines.

Applications

• Electroluminescent (EL) displays
• Vacuum Fluorescent (VF) displays
• Plasma displays
• LED displays
• Industrial control panels

Features

• 64-channel outputs
• High-voltage outputs (up to 80V)
• Serial data input
• CMOS logic compatibility
• Blanking function
• Thermal shutdown protection

Benefits

• Reduces component count and board space
• Simplifies display driving circuitry
• Provides high-brightness display capabilities
• Ensures reliable operation with built-in protection features
• Allows easy interface with microcontrollers and other digital systems

Additional Details

The HV5812WG receives serial data and converts it into parallel outputs, each capable of driving a high-voltage load. The device typically operates with a supply voltage of 5V for the logic section and a separate high-voltage supply for the outputs. The blanking function allows turning off all outputs simultaneously, which is useful for display dimming or power saving. The thermal shutdown protection prevents damage to the IC in case of excessive heat. The device is typically packaged in a surface-mount package to facilitate automated assembly. This integrated circuit significantly simplifies the design and implementation of multi-segment or dot-matrix displays, reducing the overall system cost and complexity.