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
Key Features
- 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
Applications
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) |
Alternate & Equivalent Parts
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.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”