PIC18F4685-E/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC18F4685 is an 8-bit CAN-enabled microcontroller with 96KB Flash, 3,328 bytes RAM, 44-pin TQFP package, operating at up to 40 MHz, featuring CAN 2.0B, SPI, I2C, and 10-bit ADC for industrial applications.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F4685-E/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.2300(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 96KB Flash program memory with integrated CAN 2.0B controller for automotive and industrial networks
- Up to 40 MHz CPU clock with 10 MIPS throughput, supporting 2V to 5.5V supply range
- 13-channel 10-bit ADC plus MSSP (SPI/I2C) and EUSART for comprehensive sensor and communication interfacing
- Extended temperature grade (-40°C to +125°C) suitable for harsh industrial and automotive environments
- 44-pin TQFP package with 36 I/O pins enabling compact, dense PCB layouts
Applications
The PIC18F4685 is designed for CAN bus-connected embedded control systems including automotive body control modules, industrial automation nodes, and motor drive controllers. Its 96KB Flash and rich peripheral set support complex control algorithms with CAN 2.0B communication at up to 1 Mbps. The extended temperature rating from -40°C to +125°C makes it reliable for under-hood automotive and outdoor industrial deployments.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-44 |
| Factory Lead Time | 6Weeks |
| 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-PQFP-G44 |
| 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 | TQFP44,.47SQ,32 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, 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 | AUTOMOTIVE |
| 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 | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F4685-E/PT:
Microchip Technology Inc 160K POWER-MANAGED PIC W/96K/80K BYTES & ECAN
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQFP44
Frequently Asked Questions
Does the PIC18F4685 include an on-chip CAN controller, and what CAN standard does it support?
Yes, the PIC18F4685 integrates a CAN 2.0B active controller supporting standard and extended frames at baud rates up to 1 Mbps. This makes it directly suitable for automotive body control modules and industrial automation nodes without requiring an external CAN controller chip.
How much program memory does the PIC18F4685 provide, and how does it compare to the PIC18F4680?
The PIC18F4685 provides 96KB Flash program memory, double the 48KB offered by the PIC18F4680. Both share the same 44-pin TQFP footprint and pin-compatible layout, making the PIC18F4685 a straightforward upgrade when firmware size requirements exceed 48KB.
What is the operating temperature range of the PIC18F4685-E/PT variant?
The E-suffix PIC18F4685-E/PT is rated for the extended industrial temperature range of -40°C to +125°C. This extended grade ensures reliable operation in automotive under-hood environments, outdoor enclosures, and industrial control panels subject to wide thermal cycling.
Which analog channels does the PIC18F4685 offer for multi-sensor designs?
The PIC18F4685 includes a 13-channel 10-bit ADC capable of sampling up to 13 analog inputs, providing 1,024 quantization levels per channel. This supports simultaneous monitoring of temperature sensors, pressure transducers, and current sense amplifiers in multi-variable industrial control systems.
For a motor control PCB, does the PIC18F4685's TQFP-44 package support compact layouts?
The TQFP-44 package has a 10 mm x 10 mm body with 0.8 mm pin pitch and 36 available I/O pins, making it suitable for compact motor control PCBs. PWM output modules, CAN interface, and ADC are all accessible within this footprint without requiring additional peripheral ICs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $12.8700 | $12.87 |
| 100+ | $10.5700 | $1057.00 |
| 1000+ | $9.7100 | $9710.00 |
| 5000+ | $9.2300 | $46150.00 |
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