PIC18LF45J50-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
PIC18LF45J50-I/PT is an 8-bit PIC18 microcontroller from Microchip with 32 KB flash, 3800 bytes RAM, and USB 2.0 in a 44-pin TQFP package. Runs up to 48 MHz and also operates at 8 MHz from a 2 V supply with integrated ADC. Available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF45J50-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1805(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
- USB 2.0 full-speed interface integrated on-chip eliminating external USB bridge chips and reducing BOM cost in HID and CDC device designs
- Operates at 8 MHz from a 2 V rail, enabling ultra-low-power modes for battery-powered IoT and wearable applications
- 32 KB flash and 3800 bytes RAM with 48 MHz maximum clock in a 44-pin TQFP package supporting rich peripheral integration
Applications
PIC18LF45J50-I/PT is designed for USB-connected embedded applications including HID keyboards, CDC serial adapters, data loggers, and sensor hubs that benefit from direct USB 2.0 connectivity without an external bridge IC. Its low-voltage 2 V operation at 8 MHz makes it attractive for coin-cell and rechargeable battery-powered wearables. The 44-pin TQFP package provides ample I/O for mixed-signal designs combining ADC inputs, UART, SPI, and I2C peripherals.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-44 |
| 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) | 16384 |
| 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
Can PIC18LF45J50-I/PT operate directly from a 2 V supply and at what clock speed?
Yes, PIC18LF45J50-I/PT can operate at 8 MHz from a 2 V supply, which is notably low for a USB-capable microcontroller. At the full 48 MHz clock, it requires a higher supply voltage. This dual-voltage capability makes it useful for battery-powered designs where supply voltage varies during discharge.
What USB capability does PIC18LF45J50-I/PT provide and which device classes does it support?
PIC18LF45J50-I/PT includes an on-chip USB 2.0 full-speed engine supporting device classes such as HID, CDC, and mass storage, eliminating the need for an external USB transceiver. This integration reduces BOM complexity and PCB area, with 32 KB flash providing enough space for the USB stack and application firmware.
How does the 44-pin TQFP package of PIC18LF45J50-I/PT compare to 28-pin alternatives for peripheral-rich designs?
The 44-pin TQFP offers more I/O pins than 28-pin DIP or SOIC variants, allowing simultaneous use of ADC inputs, UART, SPI, I2C, USB, and GPIO without multiplexing. For designs requiring 3800 bytes RAM, ADC channels, and USB at 48 MHz, the TQFP-44 is a practical single-chip solution that avoids external peripheral expanders.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $7.8480 | $7.85 |
| 5+ | $4.3986 | $21.99 |
| 20+ | $3.3835 | $67.67 |
| 50+ | $3.1805 | $159.03 |
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