PIC18LF25K50-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC18LF25K50-I/ML is an 8-bit PIC18 microcontroller from Microchip running up to 48 MHz, with 32 KB Flash, 2048 bytes RAM, USB 2.0 full-speed, and ADC/DAC peripherals. It operates from as low as 1.8V at 4 MHz in a 28-pin QFN package, targeting USB-connected embedded applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF25K50-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6080(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC18 core running up to 48 MHz with 32 KB Flash and 2048 B RAM
- Integrated USB 2.0 full-speed controller for direct PC/host connectivity
- Low-voltage operation from 1.8V minimum at 4 MHz for battery-powered designs
- ADC and DAC channels for analog signal acquisition and output
- Compact 28-pin QFN (VQFN-28) package for space-constrained PCB layouts
Applications
The PIC18LF25K50-I/ML is well suited for USB-connected HID devices, data loggers, and low-power sensor nodes that require direct host connectivity without an external USB bridge chip. Its low minimum supply voltage of 1.8V and rich peripheral set also make it a strong choice for battery-operated industrial and consumer embedded designs.
Specifications
| Manufacturer Package Code | VQFN-28 |
| Factory Lead Time | 7Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 1.8 V MINIMUM SUPPLY AT 4 MHz |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 25 |
| Number of Serial I/Os | 1 |
| Number of Timers | 6 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.31SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 48MHz |
| Supply Current-Max | 11.5mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18LF25K50-I/ML:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PQCC44
16 KB Flash, 1024 bytes RAM, 48 MHz Int. Osc w/ Clock Recovery, 25 I/0,
Frequently Asked Questions
Can the PIC18LF25K50-I/ML operate directly from a single Li-ion cell or AA battery in low-power embedded designs?
Yes. The PIC18LF25K50-I/ML operates at a minimum supply voltage of 1.8V at 4 MHz, making it compatible with a single AA alkaline or NiMH cell over most of its discharge curve, and with Li-ion cells in low-power sensor applications.
How does the integrated USB 2.0 peripheral simplify firmware development compared to designs using an external USB bridge?
The PIC18LF25K50-I/ML integrates a full-speed USB 2.0 controller, eliminating the cost and PCB space of an external USB-to-UART bridge. With 32 KB Flash and 2048 B RAM, there is sufficient memory to run a USB HID or CDC firmware stack directly on the 48 MHz PIC18 core.
What is the footprint advantage of the QFN-28 package for compact motor or sensor PCBs?
The VQFN-28 package used by PIC18LF25K50-I/ML has a smaller body than equivalent SOIC or DIP 28-pin packages, with 28 pins in a lead-free SMT footprint. This reduces occupied board area and enables compact multilayer PCB designs with tight component density.
How should production buyers account for the 7-week factory lead time when planning PIC18LF25K50-I/ML inventory?
With a factory lead time of 7 weeks, buyers should place replenishment orders at least 2 months before projected stock-out. Maintaining 6–8 weeks of safety stock in the 28-pin QFN format ensures production continuity during demand spikes or supplier allocation events.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.6290 | $1.63 |
| 4+ | $1.6080 | $6.43 |
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