PIC18F14K50-I/MQ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
PIC18F14K50-I/MQ is an 8-bit PIC18 microcontroller from Microchip with 16 KB Flash, USB 2.0 full-speed interface, 10-bit ADC, and a 20-pin QFN package operating down to 1.8 V at 20 MHz. It supports up to 48 MHz with its internal oscillator and includes 15 I/O pins for compact USB-connected embedded designs. Available from stock worldwide with competitive pricing and fast shipping options.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F14K50-I/MQ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0900(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC18F14K50-I/MQ?
- Integrated USB 2.0 full-speed interface eliminates external USB bridge ICs for direct PC connectivity
- 10-bit ADC with multiple channels enables precise sensor measurements at 1.8 V minimum supply
- 48 MHz maximum clock with 16 KB Flash supports complex USB HID and CDC firmware in a 20-pin QFN footprint
What is PIC18F14K50-I/MQ used for?
The PIC18F14K50-I/MQ targets USB-connected HID devices, CDC virtual COM ports, and low-speed USB data loggers where a compact 20-pin QFN eliminates the need for an external USB bridge chip. Its 1.8 V minimum operation and 10-bit ADC make it suitable for battery-powered USB accessories and wearable diagnostic equipment. The 16 KB Flash provides enough capacity for Microchip USB Framework firmware stacks, reducing development time for custom USB peripherals.
What are the specifications of PIC18F14K50-I/MQ?
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 1.8 V MINIMUM SUPPLY AT 20 MHZ |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | PIC |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| JESD-30 Code | S-PQCC-N20 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 17 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.20SQ,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) | 768 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| 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 |
Where can I find the PIC18F14K50-I/MQ datasheet?
PIC18F14K50-I/MQ Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F14K50-I/MQ?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What USB specification does PIC18F14K50-I/MQ support and what data rate does it achieve on a USB bus?
The PIC18F14K50-I/MQ integrates a USB 2.0 full-speed interface operating at 12 Mbps, with on-chip USB transceiver and 1 KB USB RAM for endpoint buffering. This eliminates the need for an external USB bridge IC such as an FT232 or CP2102, saving approximately 2 USD to 3 USD per unit in BOM cost on high-volume USB HID or CDC designs.
How does the 10-bit ADC on PIC18F14K50-I/MQ perform when operating at the 1.8 V minimum supply?
At 1.8 V supply, the 10-bit ADC on PIC18F14K50-I/MQ resolves signals to approximately 1.76 mV per LSB, suitable for reading resistive sensors, thermistors, and potentiometers. The ADC supports up to 8 input channels with an internal reference, making it practical for multi-axis joystick, battery-monitoring, or multi-sensor data-logger applications without external reference ICs.
For a USB HID game controller design, why choose PIC18F14K50-I/MQ over a lower-cost 8-bit MCU without USB?
Adding USB capability to a non-USB 8-bit MCU requires an external USB bridge costing 1.50 USD to 4 USD plus routing complexity for differential D+ and D- traces. The PIC18F14K50-I/MQ integrates USB 2.0 full-speed at 12 Mbps on-chip in a 20-pin QFN measuring 4 mm × 4 mm, consolidating the design into a single IC and reducing board area by 40% to 60% compared to a dual-chip solution.
What clock frequency options does PIC18F14K50-I/MQ support and how does the internal oscillator compare to an external crystal?
The PIC18F14K50-I/MQ supports an internal oscillator up to 48 MHz and can also use a 4 MHz to 20 MHz external crystal via FOSC. The internal oscillator at 48 MHz has a tolerance of ±1%, which is sufficient for USB full-speed operation since USB timing is managed by the hardware PLL. Eliminating the external crystal saves 0.10 USD to 0.30 USD per unit and frees 2 PCB pins for additional I/O.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.4917 | $2.49 |
| 100+ | $2.3900 | $239.00 |
| 1000+ | $2.1800 | $2180.00 |
| 5000+ | $2.0900 | $10450.00 |
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