PIC18LF4580T-I/ML - 8-bit 40MHz 32KB Flash MCU w/ CAN | Microchip
N.º de pieza: PIC18LF4580T-I/ML ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $9.2 | $92,00 |
| 100 | $8.5 | $850,00 |
| 500 | $7.65 | $3.825,00 |
| 1.000 | $6.95 | $6.950,00 |
PIC18LF4580T-I/ML Descripción general
Key specifications include 32 KB of Flash program memory (16K x 16 words), 1.5 KB of SRAM data memory, and 256 bytes of EEPROM. The device integrates a 10-bit ADC with up to 13 channels, two CCP modules, an Enhanced USART, MSSP for SPI and I2C, and a CAN 2.0B controller compliant with ISO 11898.
A PIC microcontroller is an 8-bit Harvard-architecture RISC device built around a small instruction set and separate program/data buses, designed for deterministic embedded control. PIC18 family devices add 16-bit instructions, linear memory, and richer peripherals while retaining the small footprint and low power consumption that made the family popular. The PIC18LF4580 specifically targets CAN-enabled industrial nodes such as automotive body controllers, sensor gateways, and factory automation peripherals.
The LF prefix indicates a wide VDD operating range of 2.0 V to 5.5 V, allowing direct battery and 3.3 V regulator operation. Ten oscillator modes including internal RC and PLL support flexible clocking. The CAN 2.0B module, ECAN with DeviceNet configuration, and three maskable interrupt sources enable deterministic real-time response for time-critical industrial networks. NanoWatt power management provides idle, sleep, and Run mode current profiles suitable for battery-backed nodes.
Typical applications include CAN node endpoints in vehicle body and chassis networks, industrial sensor hubs, HVAC controllers, building automation nodes, and low-power telemetry with CAN interface. The 44-pin QFN (8x8 mm) package supports compact PCB layouts where a TQFP footprint is undesirable.
Design consideration: when migrating PIC18F4580 to LF, verify that peripheral driver stack supports the lower 2.0 V rail and confirm CAN bus transceiver selection matches the LF VDD range. Compared with newer PIC18 K-series, this LF4580 offers simpler peripherals and wider ecosystem code support but draws more active current.
This page synthesizes distributor pricing, verified drop-in alternatives from Microchip's PIC18 family, and practical design notes not found in the manufacturer datasheet alone.
Alternativas directas para PIC18LF4580T-I/ML — 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 PIC18LF4580T-I/ML (mismo factor de forma y huella) — difiere en Package, Timers, Program Memory (Flash), RoHS Status, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18LF4580-I/ML
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18LF4580T-I/PT
✅ Sustitución directa✓ En stock
$4.32 / unidad
Ver hoja de datos →PIC18F4580T-I/ML
✅ Sustitución directa✓ En stock
$5.1 / unidad
Ver hoja de datos →PIC18LF4585T-I/ML
✅ Sustitución directa✓ En stock
$5.83 / unidad
Ver hoja de datos →PIC18LF4480T-I/ML
✅ Sustitución directa✓ En stock
$4.72 / unidad
Ver hoja de datos →PIC18LF4553-I/ML
✅ Sustitución directa✓ En stock
$5.1 / unidad
Ver hoja de datos →PIC18LF4580T-I/ML Valores máximos y características eléctricas
| Core | PIC18 8-bit RISC |
| Program Memory | 32 KB Flash (16K x 16) |
| Data RAM | 1.5 KB |
| EEPROM | 256 bytes |
| Frecuencia de reloj máxima | 40 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| Supply Voltage Range (LF) | 2.0 V to 5.5 V |
| ADC | 10-bit, up to 13 channels |
| Encapsulado | 44-pin QFN (8x8 mm) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (Industrial) |
| Connectivity | CAN 2.0B, I2C, SPI, UART/USART (Enhanced) |
| CAN Module | ECAN, ISO 11898-1 compliant |
| I/O Pins | 36 |
| CCP Modules | 2 (Capture/Compare/PWM) |
| Timers | 4 (Timer0-Timer3) |
| Estado RoHS | Compliant |
Configuración de pines de PIC18LF4580T-I/ML
| Pin 1 | RC1/T1OSI/CCP2 — I/O port / Timer1 oscillator input / CCP2 output |
| Pin 2 | RC2/CCP1 — I/O port / CCP1 output |
| Pin 3 | RC3/SCK/SCL — I/O port / SPI clock / I2C clock |
| Pin 4 | RC4/SDI/SDA — I/O port / SPI data in / I2C data |
| Pin 5 | RC5/SDO — I/O port / SPI data out |
| Pin 6 | RC6/TX/CK — I/O port / USART async transmit / sync clock |
| Pin 7 | RC7/RX/DT — I/O port / USART async receive / sync data |
| Pin 8 | RD0/C1IN+ — I/O port / Comparator 1 input+ |
| Pin 9 | RD1/C1IN- — I/O port / Comparator 1 input- |
| Pin 10 | RD2/C2IN+ — I/O port / Comparator 2 input+ |
| Pin 11 | RD3/C2IN- — I/O port / Comparator 2 input- |
| Pin 12 | RB0/INT0 — I/O port / External interrupt 0 |
| Pin 13 | RB1/INT1 — I/O port / External interrupt 1 |
| Pin 14 | RB2/INT2 — I/O port / External interrupt 2 |
| Pin 15 | RB3/INT3 — I/O port / External interrupt 3 |
| Pin 16 | RB4 — I/O port |
| Pin 17 | RB5 — I/O port |
| Pin 18 | RB6/PGC — I/O port / ICSP clock |
| Pin 19 | RB7/PGD — I/O port / ICSP data |
| Pin 20 | VDD — Positive supply voltage (2.0-5.5 V) |
| Pin 21 | VSS — Ground reference |
| Pin 22 | RA0/AN0 — I/O port / ADC input 0 |
| Pin 23 | RA1/AN1 — I/O port / ADC input 1 |
| Pin 24 | RA2/AN2/VREF- — I/O port / ADC input 2 / ADC VREF- |
| Pin 25 | RA3/AN3/VREF+ — I/O port / ADC input 3 / ADC VREF+ |
| Pin 26 | RA4/T0CKI — I/O port / Timer0 clock input |
| Pin 27 | RA5/AN4/SS — I/O port / ADC input 4 / SPI slave select |
| Pin 28 | RE0/RD/AN5 — I/O port / Read control for parallel port / ADC input 5 |
| Pin 29 | RE1/WR/AN6 — I/O port / Write control for parallel port / ADC input 6 |
| Pin 30 | RE2/CS/AN7 — I/O port / Chip select for parallel port / ADC input 7 |
| Pin 31 | VDD — Positive supply voltage (2.0-5.5 V) |
| Pin 32 | VSS — Ground reference |
| Pin 33 | OSC1/CLKI/RA7 — Oscillator input / External clock input / I/O port |
| Pin 34 | OSC2/CLKO/RA6 — Oscillator output / Clock output / I/O port |
| Pin 35 | RC0/T1OSO/T13CKI — I/O port / Timer1 oscillator output / Timer1/Timer3 clock |
| Pin 36 | C1OUT — Comparator 1 output |
| Pin 37 | C2OUT — Comparator 2 output |
| Pin 38 | RF0/CANRX — I/O port / CAN bus receive |
| Pin 39 | RF1/CANTX — I/O port / CAN bus transmit |
| Pin 40 | RF2 — I/O port |
| Pin 41 | RF3 — I/O port |
| Pin 42 | RF4 — I/O port |
| Pin 43 | RF5 — I/O port |
| Pin 44 | RF6 — I/O port |
Aplicaciones típicas
PIC18LF4580T-I/ML es adecuado para 6 aplicacións: CAN Node in Automotive Body Network, Industrial Sensor Hub with CAN Interface, Building Automation Controller, Low-Power Telemetry Node, Medical Device Communication Interface, HVAC Network Bridge.
CAN Node in Automotive Body Network
The PIC18LF4580T-I/ML serves as a CAN endpoint microcontroller in automotive body controller modules, with ECAN 2.0B compliant to ISO 11898-1. The integrated CAN module supports standard 11-bit and extended 29-bit identifiers plus three transmit buffers, allowing deterministic message arbitration for door modules, seat controllers, and lighting nodes. With 32 KB Flash and 1.5 KB RAM, the LF4580 holds a typical CAN stack plus body-control application code; the 2.0-5.5 V range lets the device run from 12 V battery via an LDO. The QFN-44 footprint allows compact PCB placement inside distributed body modules where board area is at a premium.
Recomendado
Industrial Sensor Hub with CAN Interface
In factory automation, the PIC18LF4580T-I/ML aggregates analog sensor inputs via its 10-bit ADC (up to 13 channels) and broadcasts readings over CAN to a PLC or gateway. The 40 MHz core provides ample MIPS for filter algorithms and CAN message composition in the same loop. The industrial -40C to +85C rating and 2.0-5.5 V supply allow direct deployment on 24 V-bus powered sensor modules after a simple buck regulator. The QFN-44 package supports reflow-compatible surface mount on standard FR4, and the wide voltage range simplifies integration with both legacy 5 V and modern 3.3 V sensor signal chains.
Recomendado
Building Automation Controller
The PIC18LF4580T-I/ML fits HVAC and building-automation controllers that require deterministic CAN or UART communication with multiple sensor inputs. The Enhanced USART and MSSP (SPI/I2C) enable redundant communications to thermostats, damper actuators, and air-quality sensors. NanoWatt power management provides sleep currents suitable for battery-backed thermostats, while the 32 KB Flash accommodates HVAC state machines and schedule firmware. The 44-QFN package supports slim thermostat backplates where component height is constrained, and the 2.0-5.5 V range permits direct operation from backup battery rails during power-loss events.
Recomendado
Low-Power Telemetry Node
Battery-powered remote telemetry nodes benefit from the PIC18LF4580T-I/ML's NanoWatt sleep modes and 2.0-5.5 V operating range, which allows direct Li-ion or 2xAA battery operation. The 10-bit ADC samples environmental or asset-tracking sensors while the ECAN module wakes the node on a CAN bus event to transmit telemetry. The wide voltage range enables operation down to the cutoff voltage of common primary battery chemistries without boost conversion, and the 32 KB Flash fits small TCP-style or proprietary CAN telemetry stacks. The QFN-44 package suits compact remote enclosures where PCB real estate is critical.
Recomendado
Medical Device Communication Interface
In medical instrumentation, the PIC18LF4580T-I/ML acts as a CAN-bridged communication controller between sensors (temperature, pressure, flow) and a central monitor. The 32 KB Flash holds deterministic IEC 62304-class B firmware for simple bedside modules, while the ECAN module ensures error-detected data transport. The industrial temperature range supports clinical environment operation, and the LF variant's 2.0 V minimum allows battery-backed operation during patient transport. The QFN-44 footprint enables miniaturized PCBs inside portable monitoring equipment.
Recomendado
HVAC Network Bridge
Commercial HVAC systems use the PIC18LF4580T-I/ML as a bridging controller between BACnet/Modbus RTU field networks and CAN-equipped damper and compressor modules. The Enhanced USART and MSSP peripherals handle multiple serial protocols simultaneously, while the ECAN module drives deterministic control of variable-speed compressor drives. The 32 KB Flash holds bridging protocol stacks plus scheduling logic, and the 2.0-5.5 V range supports 24 V AC-bus powered controller boards. The QFN-44 package fits inside compact rooftop unit control enclosures.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18LF4580T-I/ML — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18LF4580-I/ML | PIC18LF4580T-I/PT | PIC18F4580T-I/ML | PIC18LF4585T-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-TQFP (10x10 mm) - different | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 48 KB |
| RAM | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 3.3 KB |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V |
| CAN Module | ECAN 2.0B | ECAN 2.0B | ECAN 2.0B | ECAN 2.0B | ECAN 2.0B |
| Max Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| ADC | 10-bit, 13 ch | 10-bit, 13 ch | 10-bit, 13 ch | 10-bit, 13 ch | 10-bit, 13 ch |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Diferenciadores clave
- Wide 2.0 V to 5.5 V operating range (LF variant) (frente a PIC18F4580T-I/ML)
- Compact 44-QFN (8x8 mm) package option (frente a PIC18LF4580T-I/PT (TQFP-44))
- On-chip ECAN 2.0B controller with DeviceNet configuration (frente a PIC18LF4553-I/ML)
Notas de diseño
The PIC18LF4580T-I/ML accepts 2.0 V to 5.5 V on VDD, allowing direct operation from 3.3 V LDOs or 2xAA cells. Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 20 and 31), and a bulk 10 uF tantalum or ceramic near the supply pin. For noise-sensitive ADC sampling, add a ferrite bead between digital VDD and AVDD if the design separates analog and digital rails.
Route the CANRX/CANTX pins (RF0/RF1) as a short differential pair to the MCP2551 or similar transceiver, keeping the trace length under 30 mm and matched within 5 mm. Keep the OSC1/OSC2 traces short and surround them with a ground pour to minimize EMI coupling into the CAN bus. Place the 44-QFN exposed pad (EP) with a thermal via array (4-9 vias to internal ground plane) for heat dissipation.
Do not exceed 5.5 V on any VDD pin even when the device is in reset - voltage transients from the CAN bus can latch-up the part. Configure the Configuration Words (CONFIG1L through CONFIG5L/H) to enable the brown-out reset (BOR) at the appropriate VDD threshold for your application. The LF4580 requires the Fosc configuration to match the crystal or oscillator mode selected; using an external clock without proper CONFIG settings can prevent startup.
The CAN bus must be terminated with 120 ohm resistors at each end of the bus segment. The MCP2551 or similar transceiver connects between the PIC18LF4580's CANTX/CANRX pins and the bus, providing differential drive and dominant-recessive arbitration. For long bus segments (>10 m), use twisted-pair cabling and verify the bit timing configuration (BRP, PropSeg, PhaseSeg1, PhaseSeg2) matches the bus length per the CAN 2.0B bit timing rules.
Información de cumplimiento
RoHS compliant per Microchip product page; not AEC-Q100 qualified (industrial grade only). Lead-free (Pb-free) reflow-compatible.