PIC18LF13K50-I/MQ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC18LF13K50-I/MQ is an 8-bit PIC18 microcontroller with 8 KB Flash, USB 2.0 full-speed interface, and nanoWatt XLP low-power technology, operating from 1.8 V at up to 48 MHz clock speed in a compact 20-pin QFN package. It is designed for cost-sensitive USB peripheral and battery-operated embedded applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF13K50-I/MQ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8603(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 CPU core up to 48 MHz with nanoWatt XLP ultra-low-power sleep modes
- Integrated USB 2.0 full-speed device interface for direct PC connectivity without an external USB controller
- Operates from 1.8 V minimum supply at 20 MHz, extending battery life in portable designs
- 8 KB self-programmable Flash and on-chip ADC and DAC channels for analog signal processing
- Boundary scan (JTAG) support for in-system test and debug
- Compact 20-pin QFN package minimizing board footprint in space-constrained designs
- RoHS-compliant, Pb-free construction suitable for green electronics
Applications
PIC18LF13K50-I/MQ is used in USB HID devices such as keyboards, mice, and custom data loggers where a small, low-cost 8-bit MCU with native USB capability is needed. Its 1.8 V minimum supply and XLP sleep modes also make it well-suited for coin-cell-powered IoT sensor nodes and portable medical accessories requiring occasional USB connectivity.
Specifications
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 8Weeks |
| 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 | PIC18 |
| 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 | 16 |
| 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) | 512 |
| ROM (words) | 4096 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 12mA |
| Supply Voltage-Max | 3.6V |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Can PIC18LF13K50-I/MQ implement a USB HID device without an external USB controller or crystal oscillator?
Yes. PIC18LF13K50-I/MQ integrates a USB 2.0 full-speed device engine and an internal oscillator, allowing USB operation at 48 MHz without an external crystal in many designs. This reduces BOM cost and PCB space while supporting USB HID, CDC, or custom class implementations through Microchip's USB stack.
What is the minimum supply voltage for PIC18LF13K50-I/MQ, and how does this affect battery selection?
PIC18LF13K50-I/MQ operates from as low as 1.8 V at 20 MHz, which falls within the discharge curve of a single lithium coin cell (CR2032) rated at 3 V nominal. At full 48 MHz operation, the supply requires at least 2.3 V, accommodating two AA alkaline cells or a single LiPo cell throughout most of its discharge range.
How much program memory does PIC18LF13K50-I/MQ provide, and is it sufficient for a typical USB firmware stack?
PIC18LF13K50-I/MQ offers 8 KB of self-programmable Flash. A minimal USB HID firmware layer typically consumes 3 KB to 6 KB, leaving space for application logic. More complex USB CDC or composite device stacks may approach or exceed the 8 KB limit, in which case the PIC18F14K50 with 16 KB Flash would be the natural step-up.
What is the body size of the 20-pin QFN package on PIC18LF13K50-I/MQ, and what are its reflow requirements?
The 20-pin QFN package has a 4 mm x 4 mm body with 0.5 mm pin pitch. It is Pb-free and compatible with standard lead-free reflow profiles peaking at approximately 260°C. The exposed thermal pad on the underside aids heat dissipation and should be soldered to the ground plane for reliable thermal and electrical contact.
When is PIC18LF13K50-I/MQ a better procurement choice than PIC18F13K50?
PIC18LF13K50-I/MQ is the low-voltage variant sharing the same 8 KB Flash and USB 2.0 peripheral set as PIC18F13K50, but it extends operation down to 1.8 V versus 2.3 V minimum. Buyers targeting battery-powered applications with 1.8 V rails or systems that must remain active at the end of a battery's discharge cycle should select the LF variant to avoid brownout resets.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.6400 | $2.64 |
| 5+ | $2.5600 | $12.80 |
| 20+ | $1.9790 | $39.58 |
| 50+ | $1.8603 | $93.02 |
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