The UCN5833A is a BiMOS II translator/driver specifically designed for driving vacuum fluorescent displays (VFDs). This device integrates CMOS logic and bipolar outputs to provide a compact and efficient solution for VFD applications. It features a 10-bit shift register, data latches, and high-voltage sourcing outputs, enabling it to control multiple segments of a VFD panel directly.
Applications:
- Vacuum Fluorescent Displays (VFDs)
- Automotive dashboards
- Consumer electronics
- Industrial control panels
- Appliance displays
Features:
- High-voltage outputs: 80 V
- Output current: 40 mA per output
- 10-bit shift register
- Data latches for display memory
- CMOS logic compatibility
- Blanking control input
- Thermal shutdown protection
Benefits:
- Direct drive capability for VFD panels
- Simplified system design with integrated shift register and latches
- Reduced component count, leading to lower costs and board space savings
- Improved display quality and reliability
- Easy interfacing with microcontrollers and other logic devices
Additional Details:
The UCN5833A can handle output voltages up to 80V and provides 40mA of output current per channel. The integrated 10-bit shift register and data latches allow the device to store and update display data efficiently. The CMOS compatible inputs make it easy to interface with microcontrollers and other digital logic devices. A blanking control input is included to allow for dimming or turning off the display. The thermal shutdown protection helps to protect the device from damage due to overheating.
The UCN5833A operates with a logic supply voltage of 4.5 V to 5.5 V and is available in a surface mount package. The device’s high-voltage and current capabilities, combined with its integrated features, make it a suitable solution for driving VFDs in a variety of applications.