PIC18F4685-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC18F4685-I/ML is an 8-bit microcontroller with 96 KB Flash, 3328 bytes RAM, 40 MHz operation, an integrated ECAN controller, 10-bit ADC, and a 44-pin QFN package for CAN bus embedded control applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F4685-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.6400(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 core running up to 40 MHz for real-time control
- 96 KB Flash program memory and 3328 bytes SRAM
- Integrated ECAN (Enhanced CAN) controller for CAN 2.0B networks
- 10-bit ADC with multiple input channels for analog sensing
- 44-pin QFN package for compact, low-profile PCB integration
- RoHS-compliant Pb-free package for green supply chain compliance
Applications
The PIC18F4685-I/ML is designed for industrial and automotive embedded systems that require CAN bus connectivity, including motor controllers, sensor nodes, building automation systems, and vehicle body control modules. Its ECAN module and generous 96 KB Flash make it a practical choice for CAN-based embedded designs where firmware complexity and fieldbus communication must coexist in a single 8-bit microcontroller.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 5Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | NO |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 44 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| 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) | 3328 |
| ROM (words) | 98304 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 44mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2V |
| 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 |
| 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 CAN protocol version does the PIC18F4685-I/ML support and at what bus speeds can it communicate?
The PIC18F4685-I/ML integrates an ECAN (Enhanced CAN) controller that is fully compliant with CAN 2.0B, supporting standard and extended frame formats and operating at bit rates up to 1 Mbit/s, which covers all standard industrial and automotive CAN network speeds from 125 kbit/s to 1 Mbit/s.
How does 96 KB Flash in PIC18F4685-I/ML compare to lower-density PIC18 variants for CAN application firmware?
A typical CAN node firmware with protocol stack, sensor drivers, and application logic can occupy 30 KB to 60 KB; the 96 KB Flash on PIC18F4685-I/ML provides comfortable headroom for additional features or future firmware updates, whereas lower-density PIC18 variants with 32 KB or 64 KB may require careful code-size optimization.
Is the PIC18F4685-I/ML suitable for designs that must meet industrial temperature requirements?
Yes, the I-grade PIC18F4685-I/ML is specified for an operating temperature range of -40°C to +85°C, qualifying it for industrial control panels, factory automation equipment, and outdoor enclosures where ambient temperatures can vary significantly across the full range.
What PCB footprint and body size does the QFN-44 package of PIC18F4685-I/ML require for layout planning?
The PIC18F4685-I/ML uses a 44-pin QFN package with an 8 mm × 8 mm body outline and 0.65 mm pin pitch, providing 44 I/O and power pins in a thermally efficient, lead-free surface-mount footprint that fits standard SMT pick-and-place assembly processes.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $12.0200 | $12.02 |
| 90+ | $11.7300 | $1055.70 |
| 100+ | $9.8600 | $986.00 |
| 1000+ | $9.0800 | $9080.00 |
| 5000+ | $8.6400 | $43200.00 |
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