HV5812PJ Microchip Integrated Circuit (Plastic Leaded Chip Carrier) In Stock
Microchip HV5812PJ is a 20-channel high-voltage serial-input vacuum fluorescent display (VFD) driver in a Plastic Leaded Chip Carrier package, capable of sourcing high-voltage outputs to drive VFD grids and anodes directly. Designed for industrial and consumer display applications. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Plastic Leaded Chip Carrier
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- HV5812PJ Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of HV5812PJ?
- 20-channel high-voltage output driver for direct vacuum fluorescent display (VFD) anode and grid control
- Serial SPI-compatible shift register input simplifies interface to 3- or 4-wire microcontroller ports
- High-voltage open-drain outputs tolerate the elevated rail voltages required by VFD filament circuits
- Plastic Leaded Chip Carrier (PLCC) package supports through-hole and surface-mount socket assembly for easy prototyping and field replacement
What is HV5812PJ used for?
The HV5812PJ is primarily used to drive vacuum fluorescent displays in consumer appliances such as microwave ovens, audio equipment, and industrial operator panels. Its 20-channel architecture allows a single IC to control multiple VFD digit segments and grid lines, reducing component count on the display PCB. The device is also found in point-of-sale terminals and automotive dashboard clusters where high-brightness VFD readouts are preferred over LCDs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the HV5812PJ datasheet?
HV5812PJ Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for HV5812PJ?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many output channels does the HV5812PJ provide, and how are they controlled?
The HV5812PJ provides 20 high-voltage output channels controlled through a serial shift register interface compatible with standard SPI microcontroller ports, requiring only 3 to 4 signal lines to sequentially clock display data into all 20 channels simultaneously.
Which display technology is the HV5812PJ specifically designed to drive, and what voltage levels are involved?
The HV5812PJ is designed specifically for vacuum fluorescent displays (VFDs), which require elevated anode and grid voltages typically in the range of 12 V to 60 V. The device's high-voltage open-drain outputs handle these rails directly without external level-shifting transistors.
For a 4-digit VFD readout on an appliance panel, how does using the HV5812PJ reduce external component count?
By integrating 20 independent high-voltage channels in one IC, the HV5812PJ can drive all segments and grid lines of a 4-digit VFD from a single device rather than requiring multiple discrete high-voltage transistors, cutting BOM cost and PCB area significantly.
When would a designer choose HV5812PJ in a PLCC package over a surface-mount-only VFD driver?
The PLCC package allows the HV5812PJ to be socketed on a prototype board or a field-serviceable industrial display module, enabling replacement without soldering rework — valuable in environments where display boards may need hot-swap maintenance over a 10-year product lifecycle.
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