PIC18LF2580-I/SO - 8-Bit 40MHz 32KB Flash MCU 28-SOIC | Microchip
N.º de pieza: PIC18LF2580-I/SO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.95 | $5,95 |
| 10 | $5.36 | $53,60 |
| 100 | $4.76 | $476,00 |
| 500 | $4.16 | $2.080,00 |
| 1.000 | $3.56 | $3.560,00 |
PIC18LF2580-I/SO Descripción general
A PIC microcontroller is a self-contained 8-bit RISC computer on a single CMOS die, integrating CPU core, program memory, RAM, peripherals, and I/O on one chip. PIC18F-family parts use a 16-bit instruction word and a 16-bit data path, achieving up to 10 MIPS at 40 MHz while preserving the byte-oriented programming model. They sit higher than the PIC16 and PIC10/12/16 families and below the dsPIC and PIC32 families, occupying the mid-range of Microchip's 8-bit portfolio. The PIC18LF2580 in particular extends the family with industrial-grade CAN connectivity, making it a common drop-in for 12V automotive-bus and factory-floor nodes.
Key features of the PIC18LF2580-I/SO include 25 digital I/O pins across two ports, an integrated CAN 2.0B controller with ECAN support, a 10-bit ADC with up to 8 channels, two analog comparators, two 8-bit and three 16-bit timers, an Enhanced USART, MSSP for SPI/I2C, a 10-bit PWM, and a nanoWatt power management set with idle, sleep, and low-power modes. The integrated CAN module eliminates an external transceiver-less controller and simplifies bus-isolated hardware.
Typical applications include industrial automation controllers, automotive CAN nodes (body, chassis, and diagnostic ECUs), HVAC controllers, sensor hubs with local intelligence, and low-power remote monitoring devices. The wide operating voltage (2.0 V to 5.5 V) and CAN bus support also suit it to battery-backed nodes on industrial 24V buses.
When designing, ensure the CAN TX/RX pins route through a TJA1050 or similar transceiver, and place a 100 nF decoupling capacitor within 5 mm of VDD. The industrial temperature grade and 40 MHz MIPS make this part a strong choice for cost-sensitive CAN-attached nodes where reliability over commercial grade is required.
Alternativas directas para PIC18LF2580-I/SO — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC18LF2580-I/SO (mismo factor de forma y huella) — difiere en Package, ADC, Operating Temperature, I/O Pins, Timers.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18LF2580T-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.92 / unidad
Ver hoja de datos →PIC18LF2580-I/SP
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.95 / unidad
Ver hoja de datos →PIC18F2580-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC18F2480-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.13 / unidad
Ver hoja de datos →PIC18F2580-E/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC18F2510-I/SO
✅ Sustitución directa✓ En stock
$2.9 / unidad
Ver hoja de datos →PIC18LF2580-I/SO Valores máximos y características eléctricas
| Product Family | PIC18 LF |
| Core | PIC18F (8-bit RISC, 16-bit instruction word) |
| Program Memory | 32 KB Flash (16K x 16 words) |
| Data SRAM | 1.5 KB |
| Data EEPROM | 256 bytes |
| Frecuencia de reloj máxima | 40 MHz |
| Operating Voltage Range | 2.0 V to 5.5 V |
| Rango de temperatura de funcionamiento | -40 C to +85 C (Industrial) |
| I/O Pins | 25 |
| Encapsulado | 28-SOIC (7.50 mm body width) |
| Tipo de montaje | Surface Mount |
| CAN Module | CAN 2.0B active / ECAN |
| ADC | 10-bit, up to 8 channels |
| Timers | 2 x 8-bit, 3 x 16-bit |
| Communication Interfaces | EUSART, MSSP (SPI / I2C), CAN |
| Nivel MSL | 1 (unlimited floor life) |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de PIC18LF2580-I/SO
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Pin 3 | RA1/AN1 — Port A bit 1 / analog input 1 |
| Pin 4 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / ADC VREF- |
| Pin 5 | RA3/AN3/VREF+ — Port A bit 3 / analog input 3 / ADC VREF+ |
| Pin 6 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — Port A bit 5 / analog input 4 / SPI slave select |
| Pin 8 | OSC1/CLKI/RA7 — Oscillator input / external clock in |
| Pin 9 | OSC2/CLKO/RA6 — Oscillator output / clock out |
| Pin 10 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer1 oscillator out / Timer1 clock in |
| Pin 11 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer1 oscillator in / CCP2 |
| Pin 12 | RC2/CCP1 — Port C bit 2 / CCP1 PWM |
| Pin 13 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — Port C bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — Port C bit 6 / EUSART TX / clock |
| Pin 17 | RC7/RX/DT — Port C bit 7 / EUSART RX / data |
| Pin 18 | VSS — Ground |
| Pin 19 | VDD — Positive supply voltage |
| Pin 20 | RB0/INT0 — Port B bit 0 / external interrupt 0 |
| Pin 21 | RB1/INT1 — Port B bit 1 / external interrupt 1 |
| Pin 22 | RB2/INT2 — Port B bit 2 / external interrupt 2 |
| Pin 23 | RB3/INT3 — Port B bit 3 / external interrupt 3 |
| Pin 24 | RB4 — Port B bit 4 |
| Pin 25 | RB5 — Port B bit 5 |
| Pin 26 | RB6/PGC — Port B bit 6 / ICSP clock |
| Pin 27 | RB7/PGD — Port B bit 7 / ICSP data |
| Pin 28 | VSS — Ground |
Aplicaciones típicas
PIC18LF2580-I/SO es adecuado para 6 aplicacións: Industrial CAN Node Controller, Automotive Body and Diagnostic ECU, HVAC Controller Board, Sensor Hub with Local Intelligence, Battery-Backed Remote Monitor, Industrial 24V Bus Interface Module.
Industrial CAN Node Controller
The PIC18LF2580-I/SO is engineered for industrial CAN 2.0B/ECAN nodes because it integrates both an Enhanced CAN controller and the standard PIC18 peripheral set in a 28-SOIC package. With 32 KB Flash and 1.5 KB SRAM it can run a full CANopen or DeviceNet slave stack with room for application-specific logic. The wide 2.0-5.5 V VDD supports both 3.3 V logic and 5 V industrial backplanes, while the -40 C to +85 C industrial temperature range suits cabinet and field installations. Place the IC next to a TJA1050 or MCP2551 transceiver, route CANH/CANL as a 120-ohm terminated differential pair, and add a 100 nF decoupling capacitor within 5 mm of VDD for EMI-robust operation.
Recomendado
Automotive Body and Diagnostic ECU
The PIC18LF2580-I/SO serves cost-sensitive automotive body and diagnostic ECUs because its integrated CAN 2.0B controller removes the need for an external stand-alone CAN chip. Its 32 KB Flash supports UDS/KWP2000 diagnostic stacks plus basic body-control firmware (lighting, mirror, seat modules). The 10-bit ADC handles sensor inputs for temperature and battery monitoring, while the EUSART supports LIN bus for sub-networks. Although this -I industrial grade spans -40 C to +85 C, automotive applications above 85 C require the PIC18LF2580-E/SO (extended temperature) variant instead. The 28-SOIC is suitable for hand-solder rework and high-volume SMT assembly.
Recomendado
HVAC Controller Board
The PIC18LF2580-I/SO fits HVAC controller boards because it offers 25 digital I/O for relay triac and fan control, plus a 10-bit ADC for temperature and pressure sensing. The wide 2.0-5.5 V VDD tolerates 24 V rectified supplies dropped via a small LDO, and the 32 KB Flash is ample for PID loop control plus a small display driver. The MSSP SPI/I2C ports can drive an EEPROM and an OLED or character display. NanoWatt power-management modes reduce standby consumption when the system idles. Add ESD protection on keypad inputs and ensure PCB separation between mains-side triac traces and the digital ground pour to pass surge tests.
Recomendado
Sensor Hub with Local Intelligence
The PIC18LF2580-I/SO is well-matched to industrial sensor hubs that aggregate analog and digital inputs and publish on CAN. Its 10-bit ADC with up to 8 channels handles multiple transducer inputs (temperature, pressure, flow) at reasonable resolution, and the hardware EUSART + MSSP allow daisy-chaining additional digital sensors. The 32 KB Flash and 1.5 KB SRAM enable on-board filtering, calibration, and statistical aggregation before transmitting on CAN, reducing bus traffic. The wide operating voltage allows the part to share a 3.3 V rail with modern digital sensors without a separate regulator. The 28-SOIC package is well-suited to compact IP65 sensor housings.
Recomendado
Battery-Backed Remote Monitor
The PIC18LF2580-I/SO suits battery-backed remote monitoring because its 2.0 V minimum VDD lets it run directly from two nearly-depleted AA cells. NanoWatt sleep currents extend standby life into the multi-year range, while the integrated CAN or EUSART allows low-duty-cycle wake-and-report cycles. The 32 KB Flash provides ample room for sensor drivers, a small RTOS or scheduler, and a stack-friendly data logger. Add a low-Iq LDO such as MCP1700 for clean rails and a TPL5110 nano-power system timer to handle long deep-sleep intervals. Note: industrial temperature grade is rated -40 C to +85 C; for outdoor arctic/desert conditions upgrade to the E (extended) variant.
Recomendado
Industrial 24V Bus Interface Module
The PIC18LF2580-I/SO works in 24V industrial-rail interface modules because its wide 2.0-5.5 V VDD supports a small buck regulator that drops the 24 V rail to 5 V or 3.3 V. The integrated CAN controller eliminates the need for an external CAN ASIC, while the EUSART and MSSP add RS-485 or RS-232 support for legacy fieldbus. The 32 KB Flash fits standard field-device firmware plus a custom protocol stack. Use a TPS3823 or equivalent voltage supervisor to drive MCLR for clean resets on noisy 24 V rails, and add TVS diodes on the bus pins for surge protection.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18LF2580-I/SO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18LF2580T-I/SO | PIC18F2580-I/SO | PIC18F2480-I/SO | PIC18F2580-E/SO | PIC18F2510-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC (tape and reel) | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 32 KB Flash | 32 KB Flash | 32 KB Flash | 16 KB Flash | 32 KB Flash | 32 KB Flash |
| Operating Voltage Range | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| CAN Module | CAN 2.0B / ECAN | CAN 2.0B / ECAN | CAN 2.0B / ECAN | CAN 2.0B / ECAN | CAN 2.0B / ECAN | None (no CAN module) |
| Data SRAM | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB |
| Operating Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C |
| Price (qty 1, USD) | 5.95 | 5.95 | 5.45 | 5.20 | 6.50 | 5.05 |
Diferenciadores clave
- Lowest VDD range in the PIC18F2580 family (frente a PIC18F2580-I/SO)
- Integrated ECAN controller eliminates external CAN ASIC (frente a PIC18F2510-I/SO)
- 32 KB Flash at lower VDD than PIC18F2480 (frente a PIC18F2480-I/SO)
Notas de diseño
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, plus a bulk 10 uF tantalum or ceramic capacitor on the same rail. The PIC18LF2580-I/SO draws brief high-current pulses during Flash writes that can cause VDD droop if decoupling is inadequate. For battery-powered designs the 2.0 V minimum VDD requires low-dropout regulation from cells, otherwise use a low-Iq LDO such as MCP1700.
Route CANH and CANL as a 120-ohm-impedance matched differential pair with no stubs. Place a 60-ohm split termination (two 120-ohm resistors with a 10 nF to ground at the centre tap) at each end of the bus for EMC compliance. Keep the MCP2551 / TJA1050 transceiver within 25 mm of the PIC18LF2580-I/SO CANRX and CANTX pins and provide a separate analog ground island if the MCU also handles analog sensor inputs.
Do not assume the LF variant and the standard variant are drop-in compatible at 3.3 V. The PIC18F2580-I/SO and PIC18F2580-E/SO require a minimum of 4.2 V and will not operate from a 3.3 V rail. Also, the /SP package (28-PDIP) has the same pinout but a different footprint, so PCB designs for /SO cannot directly accept /SP without a footprint change. Verify the exact MPN on the PCB silkscreen before volume assembly.
When using the internal oscillator at 40 MHz for CAN, ensure the CAN module is configured for the correct baud-rate prescaler and SJW. The PIC18LF2580-I/SO CAN bit-quantum error must be less than 1 percent for reliable CAN communication. For long bus stubs use a lower baud (125 kbps instead of 1 Mbps) and verify with an oscilloscope that the CANH/CANL differential signal stays within the ISO 11898 recessive and dominant windows.
Información de cumplimiento
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified; the -E temperature grade does not constitute automotive qualification. Halogen-free status not explicitly published.
