PIC18F2580-E/ML - 8-bit MCU, 32KB Flash, ECAN, 28-QFN | Microchip
MPN: PIC18F2580-E/ML ✓ Hoạt độngPIC18F2580-E/ML Tóm tắt
Key features include a maximum CPU clock speed of 40 MHz (10 MIPS instruction throughput), 25 general-purpose digital I/O pins, and a 4.2 V to 5.5 V supply voltage range. The PIC18F2580 belongs to Microchip's PIC18F2480/2580/4480/4580 family, which adds an ECAN controller (compliant with CAN 2.0B active) on top of the standard PIC18 peripheral set. Compared to non-ECAN PIC18F2x20/2x21 devices, the ECAN module is the principal differentiator for automotive and industrial node communications.
The device uses Microchip's nanoWatt Technology for power-conscious designs, offering idle, sleep, and run modes with controlled clock switching to minimize current consumption. The 10-bit A/D converter provides up to 8 input channels (depending on package), supporting both single-ended and differential conversions. Peripherals also include two capture/compare/PWM (ECCP) modules, a USART with LIN support, an MSSP for SPI and I2C, two analog comparators, and a hardware real-time clock counter.
Typical applications include CAN-based automotive body and chassis networks, industrial CANopen and DeviceNet nodes, sensor and actuator interfacing, building automation nodes, and embedded control requiring deterministic serial communication. The wide 5 V supply range aligns with industrial 24 V systems after regulator stepping, and the small 6x6 mm QFN footprint enables compact module designs where board space is constrained.
When designing with this part, ensure the exposed pad of the QFN package is soldered to a sufficiently large copper pour for thermal dissipation, because all QFN ground and thermal connections route through it. Verify CAN bus termination (120 ohm) at both ends of the bus and use a CAN transceiver such as MCP2551 or TJA1050 between the ECAN pins and the physical bus. The 'E' suffix indicates the extended industrial temperature grade (-40C to +125C).
This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC18F2x80 family and competitor QFN-28 microcontrollers, and practical design notes that go beyond the manufacturer datasheet to help hardware engineers shorten integration time.
Bộ thay thế dễ dàng lắp đặt cho PIC18F2580-E/ML — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18F2580-E/ML (cùng hình factor và footprint) — khác nhau ở Timers, Package, Program Memory (Flash), CAN Module, Core Architecture.
PIC18F2580-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F2580T-E/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F2480-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F2480T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F2585-E/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F2680-E/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F2580-E/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18, 8-bit |
| Program Memory (Flash) | 32 KB |
| Data Memory (SRAM) | 1536 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Clock | 40 MHz (10 MIPS) |
| Supply Voltage (Vdd) | 4.2 V to 5.5 V |
| I/O Pins | 25 |
| A/D Converter | 10-bit, up to 8 channels (package dependent) |
| CAN Module | ECAN (CAN 2.0B active), 1 channel |
| Communication Peripherals | 1x USART (LIN), 1x MSSP (SPI/I2C) |
| PWM / CCP | 2x ECCP (Enhanced Capture/Compare/PWM) |
| Analog Comparators | 2 |
| Timers | 1x 8-bit, 3x 16-bit |
| Hộp | 28-pin QFN (ML) 6x6 mm with exposed pad |
| Operating Temperature (E suffix) | -40C to +125C (extended industrial) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Power-Saving Modes | nanoWatt Technology: Run, Idle, Sleep, deep Sleep |
| Trạng thái RoHS | Compliant |
| Lead-Free / Halogen-Free | Lead-Free (per Microchip product page) |
Cấu hình chân PIC18F2580-E/ML
| Chân 1 | MCLR — Master Clear (reset) input, active-low |
| Chân 2 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Chân 3 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Chân 4 | RA2/AN2/VREF- — Digital I/O / Analog input channel 2 / A/D negative reference |
| Chân 5 | RA3/AN3/VREF+ — Digital I/O / Analog input channel 3 / A/D positive reference |
| Chân 6 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Chân 7 | RA5/AN4 — Digital I/O / Analog input channel 4 |
| Chân 8 | Vss — Ground reference |
| Chân 9 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| Chân 10 | OSC2/CLKOUT — Crystal oscillator output / clock output |
| Chân 11 | RC0/T1OSO — Digital I/O / Timer1 oscillator output |
| Chân 12 | RC1/T1OSI — Digital I/O / Timer1 oscillator input |
| Chân 13 | RC2/CCP1 — Digital I/O / Capture/Compare/PWM 1 output |
| Chân 14 | RC3 — Digital I/O |
| Chân 15 | RC4 — Digital I/O |
| Chân 16 | RC5 — Digital I/O |
| Chân 17 | RC6/TX/CK — USART transmit / I2C clock |
| Chân 18 | RC7/RX/DT — USART receive / I2C data |
| Chân 19 | Vss — Ground reference |
| Chân 20 | Vdd — Positive supply voltage (4.2 V to 5.5 V) |
| Chân 21 | RB0/INT0 — Digital I/O / External interrupt 0 |
| Chân 22 | RB1/INT1 — Digital I/O / External interrupt 1 |
| Chân 23 | RB2 — Digital I/O |
| Chân 24 | RB3 — Digital I/O |
| Chân 25 | RB4 — Digital I/O |
| Chân 26 | RB5 — Digital I/O |
| Chân 27 | RB6/PGC — Digital I/O / In-circuit debugger clock |
| Chân 28 | RB7/PGD — Digital I/O / In-circuit debugger data |
| Chân 29 | EP — Exposed thermal pad - must be soldered to ground for thermal dissipation |
Ứng dụng tiêu biểu
PIC18F2580-E/ML phù hợp cho 6 Áp dụngs: Automotive CAN Bus Nodes, Industrial CANopen / DeviceNet Modules, Building Automation Sensor Nodes, Medical Diagnostic Device Communication, Sensor and Actuator Interfaces with PWM Control, Embedded Data Acquisition Modules.
Automotive CAN Bus Nodes
The PIC18F2580-E/ML's integrated ECAN controller (CAN 2.0B active) makes it a natural fit for automotive body and chassis network nodes such as lighting controllers, mirror adjusters, and HVAC modules. The 25 I/O pins and 10-bit A/D converter handle typical automotive sensor interfaces including temperature, position, and current sensing, while the extended -40C to +125C temperature grade meets under-hood and cabin requirements. Pairing the MCU with an MCP2551 high-speed CAN transceiver delivers a complete physical-layer node. The 32 KB Flash accommodates OSEK/OSEKtime-style or AUTOSAR-lite CAN stacks, and the 1536-byte SRAM handles message buffering.
Được đề xuất
Industrial CANopen / DeviceNet Modules
Industrial control networks built on CANopen (CiA 401/402/404) and DeviceNet rely on the PIC18F2580-E/ML's ECAN hardware acceleration for real-time deterministic messaging. The 40 MHz / 10 MIPS core runs CANopen stack layers without throughput bottlenecks, while the 10-bit A/D supports analog sensor inputs for pressure, level, or vibration monitoring. The wide 4.2 V to 5.5 V supply range accommodates 5 V regulated rails from industrial 24 V bus systems, and the QFN-28 (ML) 6x6 mm footprint fits in compact DIN-rail-mounted modules.
Được đề xuất
Building Automation Sensor Nodes
Building automation systems that wire lighting, HVAC, and access-control sensors over BACnet, KNX, or proprietary CAN-based fieldbuses leverage the PIC18F2580-E/ML's combination of ECAN, ADC, and PWM. The nanoWatt Technology sleep modes drop current consumption during idle intervals between transmissions, extending battery or harvested-energy operation for wireless bridge nodes. The 2x ECCP modules drive LED dimmers or small motor controllers, while the hardware real-time clock counter supports time-stamped event logging on a building automation backbone.
Được đề xuất
Medical Diagnostic Device Communication
Distributed medical diagnostic systems use CAN-bus backbones for inter-module communication, and the PIC18F2580-E/ML's ECAN and 10-bit A/D support this application. The MCU's 10-bit ADC accommodates signal conditioning of physiological sensors such as thermistors, photodiodes, or pressure transducers in patient monitors or laboratory analyzers. The 32 KB Flash hosts the CANopen medical-device profile stacks, and the extended industrial temperature grade supports clinical environments with stable thermal characteristics. Compliance with IEC 60601 series requirements is the system integrator's responsibility.
Được đề xuất
Sensor and Actuator Interfaces with PWM Control
Beyond CAN networking, the PIC18F2580-E/ML's dual Enhanced Capture/Compare/PWM (ECCP) modules plus three additional 16-bit timers drive stepper motors, DC motors, and servo actuators in industrial control. The 10-bit A/D with up to 8 input channels reads analog feedback signals from current-sense amplifiers, position encoders, or strain-gauge bridges, while the USART/MSSP peripherals connect to serial sensors or external displays. The 256-byte EEPROM stores calibration coefficients without external memory, reducing BOM cost for closed-loop control systems.
Được đề xuất
Embedded Data Acquisition Modules
The PIC18F2580-E/ML's 10-bit ADC, ECAN, and USART make it a strong fit for distributed data-acquisition modules that report sensor readings to a central controller over CAN or RS-485 (via USART). The 1536-byte SRAM buffers acquired samples between transmissions, while the 256-byte EEPROM logs non-volatile calibration data and module identity. With nanoWatt Technology, idle modules consume minimal current until polled. The QFN-28 (ML) 6x6 mm footprint is ideal for compact sensor-head designs where PCB area is at a premium.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F2580-E/ML — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18F2580-I/ML | PIC18F2580T-E/ML | PIC18F2480-E/ML | PIC18F2585-E/ML | PIC18F2680-E/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | QFN-28 (ML) 6x6 mm | QFN-28 (ML) 6x6 mm - same | QFN-28 (ML) 6x6 mm - same | QFN-28 (ML) 6x6 mm - same | QFN-28 (ML) 6x6 mm - same | QFN-28 (ML) 6x6 mm - same |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 48 KB (+50%) | 64 KB (+100%) |
| SRAM | 1536 bytes | 1536 bytes | 1536 bytes | 1536 bytes | 3328 bytes | 3328 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Clock | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) |
| CAN Module | ECAN (CAN 2.0B active), 1 channel | ECAN (CAN 2.0B active), 1 channel | ECAN (CAN 2.0B active), 1 channel | ECAN (CAN 2.0B active), 1 channel | ECAN (CAN 2.0B active), 1 channel | ECAN (CAN 2.0B active), 1 channel |
| A/D Converter | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
Bảo phân biệt quan trọng
- Integrated ECAN controller without external bus controller (vsPIC18F2520-E/ML)
- Extended industrial temperature grade for harsh environments (vsPIC18F2580-I/ML)
- Larger Flash memory with same QFN-28 footprint (vsPIC18F2480-E/ML)
Ghi chú thiết kế
Estimated: the PIC18F2580-E/ML QFN-28 (ML) 6x6 mm package dissipates heat through the exposed thermal pad (EP, pin 29), which must be soldered to a ground-connected copper pour of at least 25 mm^2 to keep junction temperature within the -40C to +125C operating range. At full 40 MHz operation and 5 V Vdd with all peripherals active, typical I_dd is approximately 15-25 mA; using nanoWatt sleep modes reduces this to under 1 uA. For an accurate thermal analysis, Microchip's PIC18F2480/2580 family datasheet provides theta_JA values for various copper-pour sizes.
Place a 100 nF decoupling capacitor as close as possible to Vdd pins 11 and 28, with trace length under 5 mm. Add a bulk 10 uF tantalum or ceramic capacitor on the same Vdd rail. For CAN bus applications, place MCP2551 or TJA1050 transceiver within 10 mm of the RC6/TX and RC7/RX pins, and route CANH/CANL as a differential pair with 120 ohm characteristic impedance. Keep oscillator traces short and surrounded by a ground guard ring for noise immunity.
Do not forget to solder the exposed thermal pad - omitting it causes thermal stress and unreliable operation. The 'E' suffix indicates the extended -40C to +125C industrial temperature grade; using a -I (industrial -40C to +85C) variant in under-hood automotive applications will void reliability. For in-circuit debugging, the ICSP pins (RB6/PGC and RB7/PGD) must be accessible on the board; production boards should include test pads or a 6-pin header. The MCLR pin requires a 10 kohm pull-up to Vdd for proper reset; a 10 nF capacitor to ground provides noise filtering for harsh electrical environments.
Thông tin tuân thủ
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - automotive applications should use AEC-Q100 qualified parts (e.g., PIC18F2580-E/ML automotive-validated equivalent). Halogen-free status was not specified in the verified data - confirm with Microchip if required for your application.
