PIC18LF4480-I/PT - 8-Bit 40MHz MCU 16KB Flash 44-TQFP | Microchip
MPN: PIC18LF4480-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.1 | $8.10 |
| 10 | $7.45 | $74.50 |
| 100 | $6.55 | $655.00 |
| 500 | $5.85 | $2,925.00 |
| 1,000 | $5.2 | $5,200.00 |
PIC18LF4480-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), peripherals, and I/O on one die. Within the broader taxonomy, MCUs belong to microcontrollers -> embedded processors -> semiconductors. The PIC18 family is Microchip's mid-range 8-bit line, sitting between the baseline PIC10/12/16 and the 16-bit dsPIC/PIC24 families, and is widely used in industrial control, automotive CAN networks, and consumer devices.
Key features of the PIC18LF4480-I/PT include an integrated ECAN module (CAN 2.0B active/被动 with hardware filtering), 36 digital I/O pins, a 10-bit ADC with up to 11 channels, multiple capture/compare/PWM (CCP/ECCP) modules, a USART with LIN support, MSSP for SPI/I2C, and nanoWatt Technology for ultra-low-power sleep modes. The 44-pin TQFP package offers 1 mm pitch and supports surface-mount assembly with moderate thermal performance. The device includes an internal 8 MHz oscillator and supports external crystals up to 40 MHz.
Architecture details: The PIC18LF4480 uses an 8-bit data path with 16-bit instructions, eight-level hardware stack, and hardware multiply. The ECAN peripheral offloads CAN frame handling from the CPU, making it suitable for real-time automotive and industrial networks. The 10-bit ADC provides up to 11 input channels with selectable acquisition time and can be triggered by CCP events for synchronous sampling. nanoWatt Technology provides multiple idle and sleep modes (Idle, Sleep, Deep Sleep) reducing quiescent current to sub-microampere levels, enabling battery-powered applications.
Typical applications include CAN-based sensor networks in vehicles (body controllers, instrument clusters, seat modules), industrial CANopen and DeviceNet nodes, HVAC controllers, building automation, sensor hubs for distributed I/O, and LIN master/slave nodes in automotive subnets. The integrated ECAN makes this part especially attractive for any application requiring robust differential bus communication with hardware-accelerated filtering.
Design consideration: For reliable ECAN operation at 1 Mbps, ensure the bus termination (typically 120 ohm at each end), short stub lengths, and proper CAN transceiver selection (e.g., MCP2551 or MCP2562). The 44-pin TQFP offers more I/O than 28-pin or 40-pin variants but requires a 4-layer PCB for clean decoupling; place a 100 nF ceramic decoupling cap within 3 mm of each VDD/VSS pair.
Drop-in alternatives for PIC18LF4480-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18LF4480-I/PT (same form factor and footprint) — differing in Package, ADC, I/O Pins, Core Architecture, Timers.
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View Datasheet →PIC18LF4480-I/PT Maximum Ratings & Electrical Characteristics
| Architecture | PIC18F 8-bit RISC (Harvard) |
| Instruction Set | 16-bit opcodes, 8-bit data path |
| Maximum CPU Frequency | 40 MHz (10 MIPS) |
| Program Memory (Flash) | 16 KB (8K x 16 words) |
| Data RAM | 768 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage Range | 2.0 V to 3.6 V (LF variant) |
| I/O Pins | 36 |
| ADC | 10-bit, up to 11 channels |
| CAN Module | ECAN (CAN 2.0B active/passive) |
| Serial Interfaces | ECAN, MSSP (SPI/I2C), USART with LIN, Enhanced USART |
| Package | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| Power-Saving Modes | nanoWatt Technology (Idle, Sleep) |
| RoHS Status | Compliant |
PIC18LF4480-I/PT 44-pin tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for PIC18LF4480-I/PT (44-pin tqfp (10x10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC18LF4480-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC18LF4480-I/PT is suitable for 6 applications: Automotive Body Control Modules, Industrial CANopen Nodes, HVAC Climate Controllers, Building Automation Sensor Hubs, Automotive Instrument Clusters, LIN Bus Master/Slave Nodes.
Automotive Body Control Modules
The PIC18LF4480-I/PT is widely used in automotive body electronics because its integrated ECAN 2.0B module provides hardware-accelerated CAN frame filtering at 1 Mbps, eliminating the need for an external CAN controller. The 16 KB Flash accommodates body control firmware (door locks, lighting, mirror adjustment) with 768 bytes RAM for runtime variables. At 40 MHz CPU speed (10 MIPS), the part handles real-time CAN task scheduling and PWM-driven load control. The LF variant's 2.0V-3.6V range lets designers pair it with 3.3V LDO regulators off the 12V automotive bus. For AEC-Q100 qualified alternatives, consider PIC18F4480-I/PT automotive-grade equivalent with extended temperature.
Recommended
Industrial CANopen Nodes
In industrial CANopen networks, the PIC18LF4480-I/PT serves as the class-compliant CANopen slave node controller, leveraging its ECAN peripheral with 11-bit and 29-bit identifier support. The 40 MHz CPU runs CANopen stack software with predictable timing while handling PDO/SDO message processing and node guarding. The 256-byte EEPROM is ideal for storing node ID, baud rate, and persistent configuration. nanoWatt Technology reduces quiescent current in sleep mode, suiting battery-backed industrial sensors. The 44-pin TQFP provides enough I/O for digital inputs (limit switches) and PWM outputs (valve drivers) typical of CANopen I/O modules.
Recommended
HVAC Climate Controllers
The PIC18LF4480-I/PT fits HVAC climate controllers because it combines ECAN connectivity, 10-bit ADC for temperature sensor readout (up to 11 channels), and PWM via ECCP modules for fan and damper motor control. The 36 I/O pins drive 7-segment displays, keypad matrices, and relay outputs for compressor and blower stages. The 16 KB Flash accommodates lookup-based temperature compensation algorithms, while 768 bytes RAM holds PID loop variables. The 2.0V-3.6V LF supply supports low-power standby modes when the HVAC is idle, drawing less than 1 uA in sleep with ECAN wake-up capability.
Recommended
Building Automation Sensor Hubs
The PIC18LF4480-I/PT is well suited for building automation sensor hubs that aggregate data from multiple sensors (temperature, humidity, occupancy, light) and report to a central BMS over CAN or LIN bus. The 10-bit ADC with 11 channels handles multiple analog sensors simultaneously, while MSSP drives SPI-based digital sensors. ECAN hardware filtering offloads protocol overhead from the CPU, freeing cycles for sensor fusion. The 256-byte EEPROM stores calibration constants and zone configurations, and nanoWatt Technology enables battery-powered wireless sensor hubs operating for years on a single cell.
Recommended
Automotive Instrument Clusters
For automotive instrument clusters, the PIC18LF4480-I/PT provides the CAN interface to receive vehicle data (speed, RPM, fuel level, warnings) and drives display peripherals via SPI or PWM. Its 40 MHz CPU handles gauge sweep animations and warning indicator logic with sub-10 ms update rates. The 36 I/O pins interface with stepper motors for analog gauges or drive segment LCDs, while the ECAN module filters incoming CAN frames to reduce CPU load. The LF variant operates from 2.0V-3.6V, matching 3.3V display backlight and sensor subsystems typical in modern cluster designs.
Recommended
LIN Bus Master/Slave Nodes
The PIC18LF4480-I/PT's Enhanced USART with LIN support makes it ideal for LIN bus nodes in automotive sub-networks (window lifters, seat controllers, mirror adjusters). As a LIN slave, it handles LIN 1.x/2.0 protocol via hardware break detection and autobaud, while the ECAN module provides bridge connectivity to the main CAN backbone. The 16 KB Flash holds LIN protocol stack plus application logic, and the 44-pin TQFP offers 36 I/O for motor drivers and switches. The 2.0V-3.6V LF voltage range supports 12V-bus-fed modules with 3.3V local regulation.
Recommended
Recommended Products Summary
Engineering reference data for PIC18LF4480-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F4480-I/PT | PIC18LF4580-I/PT | PIC18F4580-I/PT | PIC18LF458-I/PT | PIC18F46K80-I/PT | PIC18LF45K80-I/PT |
|---|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Architecture | PIC18 8-bit RISC, 40 MHz | PIC18 8-bit, 40 MHz | PIC18 8-bit, 40 MHz | PIC18 8-bit, 40 MHz | PIC18 8-bit, 40 MHz | PIC18 8-bit, 64 MHz | PIC18 8-bit, 64 MHz |
| Flash Memory | 16 KB | 16 KB | 32 KB (+100%) | 32 KB (+100%) | 32 KB (+100%) | 64 KB (+300%) | 32 KB (+100%) |
| RAM | 768 bytes | 768 bytes | 1536 bytes (+100%) | 1536 bytes (+100%) | 1536 bytes (+100%) | 3648 bytes (+375%) | 2048 bytes (+167%) |
| Operating Voltage | 2.0V to 3.6V | 4.2V to 5.5V | 2.0V to 3.6V | 4.2V to 5.5V | 2.0V to 3.6V | 1.8V to 5.5V | 1.8V to 3.6V |
| ECAN Module | Yes (CAN 2.0B) | Yes | Yes | Yes | Yes | Yes (ECAN+) | Yes (ECAN+) |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 44 (more analog/digital) | 44 |
| ADC | 10-bit, 11 channels | 10-bit, 11 channels | 10-bit, 11 channels | 10-bit, 11 channels | 10-bit, 11 channels | 12-bit, 11 channels | 12-bit, 11 channels |
Key Differentiators
- Integrated ECAN 2.0B peripheral with hardware filtering (vs PIC18F45K22-I/P)
- Low-voltage 2.0V-3.6V LF operation (vs PIC18F4480-I/PT)
- 44-pin TQFP with 36 I/O for richer peripheral expansion (vs PIC18LF2580-I/SP (28-pin))
Design Notes
For reliable operation across the 2.0V-3.6V LF supply range, place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD/VSS pin pair on the 44-pin TQFP. Add a bulk 10 uF tantalum or ceramic capacitor near the IC for transient load handling during ECAN transmission bursts. The nanoWatt Technology sleep modes drop quiescent current to sub-1 uA but require the ECAN wake-up filter to be configured for the target bus baud rate to ensure reliable wake from CAN activity.
Estimated: with 36 I/O pins switching at moderate edge rates (10 ns), a 4-layer PCB with continuous ground plane is recommended for the 44-pin TQFP (10x10 mm, 0.8 mm pitch). The exposed center pad (if present in TQFP variant) should be soldered to a ground pad for thermal dissipation; hand soldering the fine pitch requires stencil and reflow. Keep CAN bus traces short and length-matched to within 10 mm to maintain signal integrity at 1 Mbps.
Do not confuse the LF (2.0V-3.6V) and standard F (4.2V-5.5V) variants when designing for 5V systems - the LF part will fail to program or execute reliably above 3.6V. For ICSP programming, ensure the PGM voltage levels match the VDD range; using a 5V programmer on a 3.3V LF part can damage the IC. Always verify the MPN suffix (-I/PT, -E/PT, etc.) matches your application's operating temperature range and voltage requirements.
Compliance Information
RoHS compliant per Microchip product page. Standard part is not AEC-Q100 qualified; for AEC-Q100 automotive applications, choose the explicitly automotive-grade variants. Lead-free and matte-tin lead finish. Halogen-free status not explicitly stated in public datasheets.