PIC18LF46J50-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC18LF46J50-I/PT is a low-power 8-bit PIC18 microcontroller with 64 KB Flash, 3800 bytes RAM, integrated USB 2.0, ADC, and multiple peripherals, in a 44-pin TQFP package rated for industrial temperature range.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF46J50-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.6500(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
- Integrated full-speed USB 2.0 device controller eliminates external USB interface ICs, reducing BOM and simplifying firmware development
- 64 KB Flash program memory and 3800 bytes RAM provide ample storage for complex embedded applications in an 8-bit PIC18 core
- Low-power design with operation down to 2 V at 8 MHz enables battery-powered USB peripheral and IoT edge node applications
Applications
The PIC18LF46J50-I/PT is designed for USB-connected embedded systems such as HID devices, CDC serial bridges, and custom USB peripherals where integrated USB 2.0 hardware reduces system cost. Its 64 KB Flash and 3800 bytes RAM support moderately complex firmware stacks including USB stacks, sensor drivers, and real-time control loops. Industrial data loggers, USB-based calibration tools, and handheld measurement instruments benefit from its -40°C to +85°C rated TQFP-44 package and low-power standby modes.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-44 |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 8 MHZ AT 2 V |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 33 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 3776 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 15.2mA |
| Supply Voltage-Max | 2.75V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much program memory does PIC18LF46J50-I/PT provide and how does that compare to entry-level PIC18 devices?
The PIC18LF46J50-I/PT has 64 KB of Flash program memory and 3800 bytes of RAM. Entry-level PIC18 devices typically offer 8 KB to 16 KB of Flash. The 64 KB capacity supports full USB stacks, bootloaders, and application code simultaneously, making it suitable for USB HID, CDC, or vendor-class device implementations without external memory.
What USB specification does PIC18LF46J50-I/PT support and what advantages does on-chip USB offer?
PIC18LF46J50-I/PT integrates a full-speed USB 2.0 device controller operating at 12 Mbps. Having the USB transceiver and SIE on-chip eliminates external USB bridge ICs, saving board space and reducing BOM cost by several components. It supports standard USB classes such as HID and CDC, simplifying driver development for Windows, Linux, and macOS hosts.
Can PIC18LF46J50-I/PT operate from a single Li-Ion battery cell directly?
The PIC18LF46J50-I/PT operates from 2.0 V to 3.6 V, which is within the discharge range of a single Li-Ion or Li-Po cell (nominally 3.7 V, discharging to approximately 3.0 V in use). A simple LDO regulator bringing the cell voltage to 3.3 V allows direct operation, and at 8 MHz the device consumes significantly less power than at maximum frequency, extending battery life in portable applications.
Which industrial applications benefit from the TQFP-44 package of PIC18LF46J50-I/PT?
The 44-pin TQFP package provides 44 accessible I/O pins in a compact 10 mm × 10 mm SMD footprint, suitable for industrial data loggers, factory automation panels, and USB-to-serial converter modules. The package's exposed pad and surface-mount design support reflow soldering and automated PCB assembly, enabling high-volume production in industrial environments rated to -40°C.
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.4900 | $5.49 |
| 5+ | $4.9200 | $24.60 |
| 25+ | $4.7500 | $118.75 |
| 100+ | $4.1700 | $417.00 |
| 1000+ | $3.8400 | $3840.00 |
| 5000+ | $3.6500 | $18250.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”