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Small square black LQFP44 microcontroller chip with gull-wing leads

YINGHUA

YINGHUA PIC18F4550-IPT LQFP44 semiconductor

SKU CH-GSAH-Y0K9D

An 8-bit microcontroller in a 44-pin LQFP package for embedded USB applications

  • Product typeICs Semicoductors
  • PIC18F4550-IPT microcontroller powers embedded designs
  • 44-pin LQFP package fits compact PCB layouts
  • New condition ensures reliable first-time operation
  • IC semiconductor type supports integrated functionality
  • Manufacturer listed June 2026 confirms current production

PIC18F4550-IPT LQFP44 Microcontroller

The PIC18F4550-IPT is an 8-bit microcontroller in a 44-pin LQFP package designed for embedded control applications. It integrates USB 2.0 full-speed capability with 18 KB of flash program memory. Engineers select this device for projects requiring integrated USB connectivity and moderate I/O count.

Suits USB-enabled embedded designs

Developers building USB peripherals, data loggers, or communication bridges benefit from the on-chip transceiver and 44-pin footprint. Projects demanding higher pin counts, larger program memory, or advanced analog peripherals should evaluate alternative microcontrollers.

44-pin LQFP package defines board layout

The quad flat package provides 44 pins for power, ground, USB differential pair, and general-purpose I/O. This pin count fixes the maximum external connections and dictates the PCB footprint, making it the primary constraint for mechanical integration.

How it compares

Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.

Price $45.99
Pricier than about 63% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

How do I solder the LQFP44 package onto a PCB without bridging the pins?

Use a fine-tip iron with flux; tack opposite corners first, then drag-solder each side while keeping the tip on the pad, not the lead.

What long-term issue can affect the PIC18F4550-IPT after years of operation?

Flash endurance is limited; repeated erase-write cycles will eventually prevent firmware updates.

At what point does the 18F core hit its thermal ceiling during continuous load?

The 44-lead LQFP body dissipates heat through the PCB copper; sustained high clock rates raise junction temperature until timing margins shrink.

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