PIC18F4580T-I/ML - 8-Bit 40MHz 32KB Flash MCU w/ECAN | Microchip
N.º da peça: PIC18F4580T-I/ML ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.41 | $8,41 |
| 10 | $7.65 | $76,50 |
| 100 | $6.34 | $634,00 |
| 500 | $5.72 | $2.860,00 |
| 1.000 | $5.1 | $5.100,00 |
PIC18F4580T-I/ML Visão geral
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and Harvard architecture, integrating CPU core, Flash program memory, RAM, EEPROM, and a rich peripheral set (ADC, timers, UART, I2C, SPI, CAN, PWM) into one die. The PIC18 family sits in Microchip's mid-range 8-bit lineup, positioned between baseline PIC10/12/16 parts and higher-end 16-bit dsPIC devices. The PIC18F4580T-I/ML specifically adds a full ECAN 2.0B module, targeting distributed and in-vehicle networking.
Key features of the PIC18F4580T-I/ML include 32KB of self-programmable Flash (16K x 16 words), 1.5KB SRAM, 256 bytes EEPROM, ECAN 2.0B active and passive modes with filtering, a 10-bit ADC with up to 11 channels and 100 Ksps conversion rate, two analog comparators, a 16-bit enhanced Capture/Compare/PWM (ECCP) module, two USART modules with LIN support, MSSP for SPI/I2C, nanoWatt power management for low-power sleep modes, and 36 I/O pins with interrupt-on-change capability.
The device uses an enhanced Harvard RISC core with 75 instructions and a 16-bit instruction word, an 8-level hardware stack, and a hardware multiplier (8x8 in one cycle). The 40 MHz operation (10 MIPS throughput, 100 ns instruction cycle) plus the dedicated ECAN engine makes it a fit for deterministic real-time control loops where a 32-bit MCU would be overkill.
Typical applications include CAN-based industrial automation, automotive body and chassis ECUs (CAN nodes), HVAC control boards, sensor interface modules, and small home appliances with LIN/CAN connectivity. The exposed-pad QFN package also suits space-constrained fan-out designs.
When designing with the PIC18F4580T-I/ML, route the exposed thermal pad to a continuous ground plane and observe the QFN landing-pattern guidelines in the Microchip Packaging Specification. Verify CAN bus termination (typically 120 ohm at each end) and select an external CAN transceiver (e.g., MCP2551, MCP2562) since the MCU's ECAN module only handles the protocol layer.
This page synthesizes distributor stock and pricing, a curated drop-in alternative list, and practical QFN/PCB design notes that are not consolidated in the manufacturer datasheet.
Alternativas drop-in para PIC18F4580T-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 PIC18F4580T-I/ML (mesmo formato e footprint) — diferindo em Package, ADC, Program Memory (Flash), Timers, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F4480T-I/ML
✅ Drop-In✓ Em estoque
$3.1 / unidade
Ver ficha técnica →PIC18F4580-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F45K80T-I/ML
✅ Drop-In✓ Em estoque
$2.55 / unidade
Ver ficha técnica →PIC18F4580-E/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F4480-I/ML
✅ Drop-In✓ Em estoque
$4.89 / unidade
Ver ficha técnica →PIC18F4580T-I/ML Classificações máximas e características elétricas
| Core | PIC18 8-bit RISC |
| Frequência máxima de clock | 40 MHz |
| MIPS | 10 MIPS |
| Program Memory (Flash) | 32 KB (16K x 16 words) |
| SRAM | 1.5 KB |
| EEPROM | 256 bytes |
| Tensão de alimentação | 2.0 V to 5.5 V |
| Temperatura de operação | -40C to +85C (Industrial) |
| Encapsulamento | 44-pin QFN (8x8 mm) with Exposed Pad |
| Tipo de montagem | Surface Mount |
| I/O Pins | 36 |
| ADC | 10-bit, up to 11 channels |
| CAN | ECAN 2.0B active/passive |
| Communication | 2x USART (LIN), MSSP (SPI/I2C) |
| PWM | ECCP + 2x CCP, 10-bit |
| Timers | 1x 8-bit, 3x 16-bit |
| Comparators | 2 analog comparators |
| Status RoHS | Compliant |
Configuração de pinos do PIC18F4580T-I/ML
| Pino 1 | RB3/CCP2/INT3 — I/O port B, CCP2 output, external interrupt 3 |
| Pino 2 | RB4/AN9 — I/O port B, analog input 9 |
| Pino 3 | RB5/AN10/CCP3 — I/O port B, analog input 10, CCP3 output |
| Pino 4 | RB6/PGC — I/O port B, in-circuit debugger clock |
| Pino 5 | RB7/PGD — I/O port B, in-circuit debugger data |
| Pino 6 | VSS — Ground reference |
| Pino 7 | VDD — Positive supply 2.0 V to 5.5 V |
| Pino 8 | RC0/T1OSO — I/O port C, Timer1 oscillator output |
| Pino 9 | RC1/T1OSI/CCP2 — I/O port C, Timer1 oscillator input, CCP2 |
| Pino 10 | RC2/CCP1 — I/O port C, ECCP1 output |
| Pino 11 | RC3/SCK/SCL — I/O port C, MSSP SPI/I2C clock |
| Pino 12 | RC4/SDI/SDA — I/O port C, MSSP SPI/I2C data |
| Pino 13 | RC5/SDO — I/O port C, MSSP SPI data out |
| Pino 14 | RC6/TX/CK — I/O port C, USART1 transmit/clock |
| Pino 15 | RC7/RX/DT — I/O port C, USART1 receive/data |
| Pino 16 | RD0/PSP0/C1IN+ — I/O port D, parallel slave port, comparator 1 in+ |
| Pino 17 | RD1/PSP1/C1IN- — I/O port D, parallel slave port, comparator 1 in- |
| Pino 18 | RD2/PSP2/C2IN+ — I/O port D, parallel slave port, comparator 2 in+ |
| Pino 19 | RD3/PSP3/C2IN- — I/O port D, parallel slave port, comparator 2 in- |
| Pino 20 | RD4/PSP4/ECCP1 — I/O port D, parallel slave port, ECCP1 |
| Pino 21 | RD5/PSP5/C1OUT — I/O port D, parallel slave port, comparator 1 out |
| Pino 22 | RD6/PSP6/C2OUT — I/O port D, parallel slave port, comparator 2 out |
| Pino 23 | RD7/PSP7 — I/O port D, parallel slave port |
| Pino 24 | VSS — Ground reference |
| Pino 25 | VDD — Positive supply 2.0 V to 5.5 V |
| Pino 26 | RE0/RD/AN5 — I/O port E, read strobe, analog input 5 |
| Pino 27 | RE1/WR/AN6 — I/O port E, write strobe, analog input 6 |
| Pino 28 | RE2/CS/AN7 — I/O port E, chip select, analog input 7 |
| Pino 29 | RA0/AN0 — I/O port A, analog input 0 |
| Pino 30 | RA1/AN1 — I/O port A, analog input 1 |
| Pino 31 | RA2/AN2/VREF- — I/O port A, analog input 2, ADC VREF- |
| Pino 32 | RA3/AN3/VREF+ — I/O port A, analog input 3, ADC VREF+ |
| Pino 33 | RA4/TOCKI — I/O port A, Timer0 clock input |
| Pino 34 | RA5/AN4/SS — I/O port A, analog input 4, MSSP slave select |
| Pino 35 | RA6/OSC2 — I/O port A, oscillator output |
| Pino 36 | OSC1/CLKIN — Oscillator input |
| Pino 37 | RB0/INT0/AN8 — I/O port B, external interrupt 0, analog input 8 |
| Pino 38 | RB1/INT1 — I/O port B, external interrupt 1 |
| Pino 39 | RB2/INT2/CANTX — I/O port B, external interrupt 2, ECAN TX |
| Pino 40 | C1IN+/CANRX — Comparator 1 in+, ECAN RX |
| Pino 41 | VSS — Ground reference |
| Pino 42 | NC — Not connected (per datasheet) |
| Pino 43 | NC — Not connected (per datasheet) |
| Pino 44 | EP — Exposed thermal pad - tie to ground |
Aplicações típicas
PIC18F4580T-I/ML é adequado para 6 aplicaçãos: CAN Node Industrial Automation, Automotive Body/Chassis ECU, HVAC Control Board, Sensor Interface Module, Small Appliance with LIN/CAN, Industrial Control Lighting Ballast.
CAN Node Industrial Automation
The PIC18F4580T-I/ML fits distributed CAN bus networks thanks to its integrated ECAN 2.0B controller and 40 MHz performance envelope. With 32 KB Flash it accommodates CANopen stack variants or compact DeviceNet node implementations. Place the device between an MCP2551/MCP2562 transceiver and the 5 V or 24 V industrial rail; the 10-bit ADC and 36 I/O enable direct sensor and actuator interfacing without external glue logic. The exposed-pad QFN package dissipates up to 1 W continuous in fan-out designs, and nanoWatt sleep modes drop quiescent draw below 10 uA for energy-aware nodes.
Recomendado
Automotive Body/Chassis ECU
Within non-safety automotive subsystems such as mirror controllers, seat modules, and HVAC nodes, the PIC18F4580T-I/ML provides the CAN interface plus 36 GPIO for relays, H-bridges, and switch matrices. Its 40 MHz throughput supports 10 MIPS, sufficient for LIN slave emulation via the USART and timing-critical PWM fan control through the ECCP module. Although the industrial variant is not AEC-Q100 qualified, it is widely deployed in 12 V body electronics where the -40C to +85C industrial range meets module thermal requirements.
Recomendado
HVAC Control Board
The PIC18F4580T-I/ML serves as the central controller in HVAC systems, where it sequences blower motors, monitors NTC thermistors through its 11-channel 10-bit ADC, and exchanges control data with the indoor unit over CAN or LIN. The 32 KB Flash easily stores PID control algorithms, scheduling tables, and EEPROM-backed user-setpoint memory. The 2.0 V to 5.5 V supply range enables direct connection to 24 VAC-derived DC rails via a small buck regulator, while the nanoWatt idle modes sustain battery-backed thermostats during low-standby hours.
Recomendado
Sensor Interface Module
With 11 ADC channels, two analog comparators, and dual USART, the PIC18F4580T-I/ML aggregates multiple analog sensors and forwards calibrated readings over CAN or RS-485. The 1.5 KB SRAM accommodates circular data buffers for moving-average filtering, and the 256-byte EEPROM stores calibration constants. The PIC18F4580T-I/ML runs at 40 MHz to oversample the ADC at 100 Ksps with averaging, suppressing mains-frequency noise in industrial field-bus installations.
Recomendado
Small Appliance with LIN/CAN
Home appliances such as washing machines and refrigerators use the PIC18F4580T-I/ML to communicate with the user-interface panel over LIN and to coordinate motor-drive subsystems over CAN. The 16-bit ECCP and CCP modules generate precise PWM for BLDC or universal-motor control, while the MSSP drives SPI displays. The 44-QFN footprint (8x8 mm) suits the tight PCB envelopes of these appliances, and the wide 2.0 V to 5.5 V supply tolerance accepts rectified mains without an additional preregulator.
Recomendado
Industrial Control Lighting Ballast
LED drivers and HID ballasts often embed an 8-bit MCU for closed-loop current regulation, dimming curve management, and DALI/CAN network integration. The PIC18F4580T-I/ML fits with its 32 KB Flash, ECCP-based high-frequency PWM, and CAN interface, providing digital dimming and remote fault reporting. Its industrial temperature rating and exposed-pad thermal path maintain accuracy even inside luminaires where ambient temperatures rise above 70C.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F4580T-I/ML — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F4480T-I/ML | PIC18F4580-I/ML | PIC18F45K80T-I/ML | PIC18F4580-E/ML | PIC18F4480-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) with EP | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same |
| Flash Memory | 32 KB | 16 KB (-50%) | 32 KB (same) | 64 KB (+100%) | 32 KB (same) | 16 KB (-50%) |
| SRAM | 1.5 KB | 768 B (-49%) | 1.5 KB (same) | 4 KB (+167%) | 1.5 KB (same) | 768 B (-49%) |
| Max Clock Frequency | 40 MHz | 40 MHz (same) | 40 MHz (same) | 64 MHz (+60%) | 40 MHz (same) | 40 MHz (same) |
| ECAN | 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 +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +125C (Extended) | -40C to +85C - same |
| Packaging Format | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tray | Tray |
Principais diferenciais
- Integrated ECAN 2.0B without external protocol chip (vs PIC18F4480T-I/ML)
- Two-to-four-times memory headroom at same package (vs PIC18F4480-I/ML)
- Migration path to higher clock and memory at same footprint (vs PIC18F45K80T-I/ML)
Notas de projeto
The 44-QFN (8x8 mm) package relies on the exposed thermal pad for primary heat removal. Tie pin 44 (EP) directly to a continuous copper ground plane on the top and inner PCB layers with at least 8 thermal vias arranged in a 3x3 grid under the EP. Without this stitching, junction temperature can exceed 125 C at 1 W dissipation, leading to premature thermal-shutdown events in enclosed industrial cabinets.
Place a 100 nF decoupling capacitor within 3 mm of each VDD pin (pins 7 and 25) and a single bulk 4.7 uF tantalum or ceramic near the EP. Keep the GND return loop short by routing signal returns on the layer immediately below the IC. For QFN layout, follow the Microchip QFN-44 land pattern with 0.5 mm pitch and 0.25 mm solder mask openings to prevent tombstoning.
The ECAN bus requires 120 ohm termination at each end of the trunk; place the termination resistor within 25 mm of the transceiver output. Route CANH and CANL as a tightly coupled differential pair (100 ohm characteristic impedance) without stubs. Verify common-mode choke selection (e.g., ACM2520) for ESD and transient protection per IEC 61000-4-2 levels required by your end equipment.
The PIC18F4580T-I/ML shares its datasheet with PIC18F2480/2580/4480 family members; ensure configuration bits (CONFIG1L through CONFIG5L/H) match the F4580 settings for the ECAN module to operate. Programming voltage must be 3.0 V minimum; some low-voltage programmers default to 2.5 V and will fail to enter ICSP mode.
Informações de conformidade
RoHS compliant per Microchip product page. Industrial -40C to +85C range; not AEC-Q100 qualified - for automotive safety applications choose dsPIC33 AEC-Q100 variants or up-screen the F4580