PIC18F46J50-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC18F46J50-I/ML is an 8-bit PIC18 microcontroller with full-speed USB, 64 KB Flash, and nanoWatt XLP low-power technology, running at up to 48 MHz in a 44-pin QFN package. It integrates an ADC, and can also operate at 8 MHz from 2.15 V for ultra-low-power applications. Designed for USB-connected embedded devices, HID interfaces, and energy-harvesting applications requiring both USB connectivity and low standby current.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F46J50-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.8300(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
- Full-speed USB 2.0 interface integrated on-chip
- 64 KB Flash program memory with nanoWatt XLP technology
- 8-bit PIC18 CPU running up to 48 MHz
- Operates at 8 MHz from as low as 2.15 V supply
- Integrated ADC for analog sensor measurement
- 44-pin QFN compact surface-mount package
Applications
The PIC18F46J50-I/ML is ideal for USB HID peripherals, CDC data loggers, and low-power embedded devices that require full-speed USB without an external USB controller. Its nanoWatt XLP modes and 2.15 V operation at 8 MHz make it suitable for energy harvesting, battery-operated USB accessories, and smart sensor modules.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 8 MHZ AT 2.15 V |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 33 |
| On Chip Program ROM Width | 8 |
| 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) | 3776 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 22.7mA |
| Supply Voltage-Max | 3.6V |
| 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 | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| 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 | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What USB speed does PIC18F46J50-I/ML support, and what USB classes can it implement without external hardware?
PIC18F46J50-I/ML supports full-speed USB 2.0 at 12 Mbps entirely on-chip. It can implement HID, CDC, and mass storage USB classes using Microchip's USB firmware libraries, eliminating the need for external USB bridge chips such as CP2102 or FT232 in designs requiring USB connectivity with a single-chip solution.
How does the nanoWatt XLP feature affect PIC18F46J50-I/ML power consumption in battery-operated designs?
With nanoWatt XLP technology, PIC18F46J50-I/ML achieves deep sleep currents in the nanoamp range, significantly extending battery life in duty-cycled designs. Combined with its 2.15 V operating voltage at 8 MHz, it can run for months on a CR2032 coin cell in low-activity USB sensor or data logger applications.
What package does PIC18F46J50-I/ML use, and how many pins does it provide for I/O and peripheral connections?
PIC18F46J50-I/ML is housed in a QFN-44 package with 44 pins in a compact leadless footprint. This provides ample GPIO and peripheral connections for USB, ADC inputs, UART, SPI, and I2C interfaces while keeping the PCB footprint smaller than equivalent PDIP or TQFP packages.
At what clock frequency does PIC18F46J50-I/ML run USB, and can it maintain USB enumeration while the CPU operates at reduced speed?
PIC18F46J50-I/ML requires a 48 MHz clock for USB operation, typically derived from an internal PLL or external crystal. The CPU can be clocked independently at lower frequencies such as 8 MHz from a 2.15 V supply for low-power processing, while the USB module maintains the 48 MHz requirement for correct full-speed enumeration and data transfer.
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