PIC18F2580-I/ML - 8-bit 40MHz 32KB Flash MCU w/ ECAN | Microchip
N.º da peça: PIC18F2580-I/ML ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.36 | $6,36 |
| 10 | $5.93 | $59,30 |
| 100 | $5.42 | $542,00 |
| 500 | $4.88 | $2.440,00 |
| 1.000 | $4.31 | $4.310,00 |
PIC18F2580-I/ML Visão geral
An 8-bit PIC microcontroller is a Harvard-architecture RISC MCU based on Microchip's PIC® instruction set, typically delivering 1 instruction per clock cycle (up to 10 MIPS at 40 MHz) and integrating Flash, RAM, EEPROM, timers, ADC and serial peripherals on-chip. The PIC18F family extends the baseline PIC16 line with 16-bit-wide instructions, linear memory, C-friendly architecture, and a richer peripheral set; within the broader taxonomy, PIC18F sits under MCU -> microcontroller -> embedded processor -> semiconductor. This hierarchy matters when comparing cross-vendor options, because 8-bit PIC cores are not binary-compatible with ARM Cortex-M or 8051 cores even when pin counts match.
Key features of the PIC18F2580-I/ML include the Enhanced CAN (ECAN) module with multiple acceptance filters, a 10-bit ADC with up to 8 channels (data-dependent), two analog comparators, one 8-bit and three 16-bit timers, an EUSART, MSSP (SPI/I2C), nanoWatt power-saving modes, and an ICD-friendly in-circuit debug interface. The QFN-28 (6x6) exposed-pad package minimizes PCB footprint and lowers thermal resistance via the e-pad, making the part suitable for compact industrial and automotive-body modules.
Typical applications include automotive and industrial CAN nodes (e.g., body controllers, sensor nodes), HVAC and building automation gateways, motor-control slave boards, CAN-to-UART bridges, and low-cost node electronics for distributed control. The 10 MIPS core, combined with deterministic interrupt latency and on-chip ECAN, allows the device to serve as a low-power slave node on a CAN 2.0B bus without an external transceiver controller.
Design considerations include providing a 4.2 V–5.5 V regulated rail, mandatory thermal pad soldering for the QFN e-pad, decoupling with 100 nF plus 10 µF bulk near VDD/VSS pins, and using Microchip's MPLAB X IDE plus an MPLAB ICD programmer for development. NanoWatt modes reduce quiescent current to single-digit µA during sleep, which is critical for CAN nodes that wake only on bus activity.
This page synthesizes authorized distributor pricing, Microchip datasheet specifications, drop-in alternatives in the same QFN-28 package, and practical design notes that are not consolidated in the manufacturer datasheet itself.
Alternativas drop-in para PIC18F2580-I/ML — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC18F2580-I/ML (mesmo formato e footprint) — diferindo em Timers, Package, ADC, Program Memory (Flash), CAN Module.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F2580-E/ML
✅ Drop-In✓ Em estoque
$6.5 / unidade
Ver ficha técnica →PIC18F2480-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F2585-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F2680-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F2580T-I/ML
✅ Drop-In✓ Em estoque
$4.42 / unidade
Ver ficha técnica →PIC18F2580-I/ML Classificações máximas e características elétricas
| Core | PIC18F 8-bit RISC, Harvard architecture |
| Frequência máxima de clock | 40 MHz |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 1.5 KB (1536 bytes) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 10-bit |
| CAN Peripheral | ECAN (Enhanced CAN 2.0B) |
| Timers | 1x 8-bit + 3x 16-bit |
| Communication | EUSART, MSSP (SPI/I2C) |
| Comparators | 2 analog comparators |
| Power-Saving Modes | nanoWatt Technology |
| Encapsulamento | 28-QFN (6x6 mm) with exposed pad |
| Operating Temperature (Industrial) | -40C to +85C |
| ICSP / ICD | Yes (In-Circuit Serial Programming / Debug) |
Configuração de pinos do PIC18F2580-I/ML
| Pino 1 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| Pino 2 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| Pino 3 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Pino 4 | RA5/AN4 — Port A bit 5 / Analog input 4 |
| Pino 5 | VSS — Ground reference |
| Pino 6 | RA7/OSC1 — Port A bit 7 / Crystal oscillator input |
| Pino 7 | RA6/OSC2 — Port A bit 6 / Crystal oscillator output |
| Pino 8 | RC0/T1OSO — Port C bit 0 / Timer1 oscillator output |
| Pino 9 | RC1/T1OSI — Port C bit 1 / Timer1 oscillator input |
| Pino 10 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM1 |
| Pino 11 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Pino 12 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Pino 13 | RC5/SDO — Port C bit 5 / SPI data out |
| Pino 14 | RC6/TX/CK — Port C bit 6 / EUSART TX / clock |
| Pino 15 | RC7/RX/DT — Port C bit 7 / EUSART RX / data |
| Pino 16 | RB0/INT0 — Port B bit 0 / External interrupt 0 |
| Pino 17 | RB1/INT1 — Port B bit 1 / External interrupt 1 |
| Pino 18 | RB2/INT2 — Port B bit 2 / External interrupt 2 |
| Pino 19 | RB3/INT3 — Port B bit 3 / External interrupt 3 |
| Pino 20 | RB4 — Port B bit 4 |
| Pino 21 | RB5 — Port B bit 5 |
| Pino 22 | RB6/PGC — Port B bit 6 / ICSP clock |
| Pino 23 | RB7/PGD — Port B bit 7 / ICSP data |
| Pino 24 | VSS — Ground reference (second pad) |
| Pino 25 | VDD — Positive supply (5 V nominal) |
| Pino 26 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Pino 27 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Pino 28 | C1OUT — Comparator 1 output |
Aplicações típicas
PIC18F2580-I/ML é adequado para 7 aplicaçãos: Industrial CAN-bus Sensor Node, Automotive Body Control Module, HVAC / Building Automation Gateway, CAN-to-UART Bridge / Protocol Converter, Low-Cost Motor-Control Slave Board, Distributed Embedded Sensor Front-End, Educational / Developer Reference Platform.
Industrial CAN-bus Sensor Node
The PIC18F2580-I/ML's ECAN (Enhanced CAN 2.0B) peripheral with hardware acceptance filters makes it a natural slave-node controller for industrial CAN 2.0B networks. The 40 MHz / 10 MIPS PIC18 core delivers deterministic interrupt response for time-critical CAN frames, while the 25 mA source/sink per I/O lets the same MCU drive sensor excitation relays and indicator LEDs without external drivers. With 32 KB Flash it can host a full Modbus/CANopen or J1939 stack plus application logic, and the 4.2 V–5.5 V range is directly compatible with industrial 5 V busses. The 28-QFN (6x6) footprint keeps the node PCB below 20 mm x 20 mm, which is critical when stacking dense I/O modules inside a control cabinet.
Recomendado
Automotive Body Control Module
Body-control ECUs (BCM) for HVAC flaps, lighting clusters and mirror adjusters increasingly rely on low-cost CAN nodes; the PIC18F2580-I/ML serves this role well. Its 10-bit ADC can directly read thermistor or potentiometer signals for climate and seat-position feedback, while the EUSART and MSSP peripherals handle LIN or SPI traffic to companion drivers. The nanoWatt sleep current in the single-digit µA range allows the module to wake only on CAN bus activity, preserving battery during long vehicle storage. Microchip's PIC18F automotive parts are PPAP-supported and the -I grade covers -40 C to +85 C, which matches interior cabin environments. Designers usually pair the device with a TJA1050 or MCP2551 CAN transceiver and a small 5V switching regulator on the BCM PCB.
Recomendado
HVAC / Building Automation Gateway
In BACnet or Modbus gateways the PIC18F2580-I/ML can act as a sub-MCU that bridges a low-speed building-automation bus (EUSART or SPI) onto a CAN-bus backbone. The 32 KB Flash holds a slim BACnet MS/TP or Modbus RTU stack with comfortable headroom for vendor extensions, and the 1.5 KB RAM accommodates the 32-byte message buffers plus a small TCP/IP-over-CAN stub if needed. The 10-bit ADC is adequate for monitoring thermistor inputs and 4–20 mA loop transducers, while the three 16-bit timers drive PWM-controlled damper and valve actuators without external motor-control ICs. The QFN-28 (6x6) keeps the sub-board small enough to fit inside a thermostat back-plate or a VAV-box controller housing.
Recomendado
CAN-to-UART Bridge / Protocol Converter
Engineers often need to expose an existing UART-based sensor or actuator on a CAN backbone; the PIC18F2580-I/ML is well-suited to this bridging role. ECAN handles the bus-side arbitration and filtering while the EUSART serves as the UART link to legacy devices at standard baud rates up to 1 Mbps. The 40 MHz core allows the firmware to demultiplex several CAN IDs into distinct UART streams with deterministic latency below 100 µs. With 25 I/O pins the same MCU can also drive status LEDs and provide hardware flow control, eliminating a separate GPIO expander. The QFN-28 (6x6) keeps the bridge board small enough to mount on the back of a DB-9 connector.
Recomendado
Low-Cost Motor-Control Slave Board
Small BLDC or stepper driver boards on a CAN bus can use the PIC18F2580-I/ML as the slave controller that interprets speed/torque commands. The three 16-bit timers can be re-routed to PWM outputs for FET drivers (with dead-band control via the ECCP module), while the EUSART provides a debug-console link during bring-up. ECAN offloads the deterministic bus protocol from the host processor, freeing the application layer to focus on commutation and current sensing. The 32 KB Flash is sufficient for sensorless trapezoidal commutation algorithms plus a CANopen device profile. The QFN-28 (6x6) and 25 I/O are small enough to integrate next to the gate-driver stage.
Recomendado
Distributed Embedded Sensor Front-End
For battery-powered remote sensor front-ends, the PIC18F2580-I/ML's nanoWatt sleep modes (sub-µA quiescent) let the device wake only on CAN bus activity or an internal timer, dramatically extending operating life. The 10-bit ADC samples up to 8 analog channels per scan (data-dependent), enough for temperature, humidity and pressure transducer multiplexing. The 1.5 KB RAM buffers small data frames before they are queued onto the ECAN bus, and the 32 KB Flash stores calibration constants and a simple application state machine. Because the part operates from 4.2 V to 5.5 V, a single LiFePO4 cell (3.2 V nominal) plus boost converter, or a small 5 V solar cell with supercap, can power the node. The 28-QFN (6x6) keeps the sensor board small enough to be embedded inside an NEMA-4 enclosure.
Recomendado
Educational / Developer Reference Platform
The PIC18F2580-I/ML is widely available as part of Microchip's PICDEM CAN development kit ecosystem, making it a popular choice for universities and training programmes. With MPLAB X IDE, MPLAB XC8 compiler and the MPLAB ICD 5 in-circuit debugger, students can program and debug the part out of the box without external tools. The combination of ECAN, EUSART, MSSP and a 10-bit ADC exposes learners to almost every standard embedded peripheral in a single 28-QFN footprint. The deterministic PIC18 interrupt model with hardware-priority levels teaches real-time firmware design. Because the part is RoHS compliant and lead-free, finished student projects can move directly into low-volume commercial products without re-sourcing.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F2580-I/ML — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F2580-E/ML | PIC18F2480-I/ML | PIC18F2585-I/ML | PIC18F2680-I/ML | PIC18F2580T-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6) with e-pad | 28-QFN (6x6) with e-pad - same | 28-QFN (6x6) with e-pad - same | 28-QFN (6x6) with e-pad - same | 28-QFN (6x6) with e-pad - same | 28-QFN (6x6) with e-pad - same |
| Flash Program Memory | 32 KB | 32 KB - same | 16 KB (-50%) | 48 KB (+50%) | 64 KB (+100%) | 32 KB - same |
| RAM | 1.5 KB | 1.5 KB - same | 1.5 KB - same | 1.5 KB - same | 1.5 KB - same | 1.5 KB - same |
| Maximum Clock Frequency | 40 MHz | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same |
| CAN Peripheral | ECAN 2.0B | ECAN 2.0B - same | ECAN 2.0B - same | ECAN 2.0B - same | ECAN 2.0B - same | ECAN 2.0B - same |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same |
| I/O Pins | 25 | 25 - same | 25 - same | 25 - same | 25 - same | 25 - same |
| ADC Resolution | 10-bit | 10-bit - same | 10-bit - same | 10-bit - same | 10-bit - same | 10-bit - same |
Principais diferenciais
- ECAN 2.0B with hardware acceptance filters integrated on-chip (vs PIC18F2480-I/ML)
- 32 KB Flash provides comfortable headroom for full CANopen / J1939 stacks (vs PIC18F2480-I/ML)
- Industrial -40C to +85C temperature grade from Microchip PIC18F family (vs PIC18F2580-E/ML)
- 40 MHz PIC18 core with 10 MIPS deterministic interrupt handling (vs NXP LPC11C00 (Cortex-M0 with CAN))
Notas de projeto
The 28-QFN (6x6) PIC18F2580-I/ML has an exposed thermal pad on pin 29 that must be soldered to a PCB copper land to meet the datasheet's thermal resistance specification. According to Microchip's package drawing MO-220, a minimum 1:1 land-to-pad ratio with multiple thermal vias to the inner ground plane is recommended. Skip this step and the device will derate above about 60 mA total I/O sink current at 25 C ambient.
Decouple VDD with a 100 nF X7R ceramic capacitor placed within 3 mm of pin 25 and a 10 µF bulk tantalum or polymer cap within 10 mm. The ECAN peripheral draws sharp switching transients during bus arbitration; if the supply droops below 4.2 V the CAN bit-timing can violate the 2.0B specification. For battery-powered CAN nodes, a low-Iq LDO such as Microchip MCP1700 keeps sleep current in the microamp range without compromising CAN regulation.
Route the ECAN TX/RX pair to the MCP2551 or TJA1050 transceiver as a tightly-coupled 50-ohm differential microstrip with matched length to within 5 mm. According to the Microchip ECAN application note, the CAN bus stub length must be kept under 1/10 of the signal rise time to avoid reflections. Keep the CAN trace at least 2 mm away from any clock or switching-power traces to maintain EMC compliance in industrial enclosures.
Do not confuse the /ML suffix (28-QFN 6x6 mm) with /SO (28-SOIC) or /SP (28-SPDIP); the ICSP pinout is identical but the PCB footprint is completely different. The PIC18F2580-I/ML also requires a configuration-bit set (CONFIG1H) that selects the oscillator mode; leaving the default RC oscillator can cause the USB-less ECAN baud rate to drift at temperature. Always program the configuration bits explicitly in your MPLAB X project before flashing firmware.
Informações de conformidade
RoHS compliant and lead-free per Microchip product environmental compliance. JEDEC J-STD-020 MSL3 classified. AEC-Q100 qualification is NOT claimed for the PIC18F2580-I/ML (industrial-grade, -40C to +85C); refer to Microchip's automotive PIC18F variants if AEC-Q100 is required.
