PIC18LF2580T-I/SO - 8-bit 40MHz 32KB Flash MCU | Microchip
부품 번호: PIC18LF2580T-I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $7.4 | $7.40 |
| 10 | $6.85 | $68.50 |
| 100 | $5.95 | $595.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.92 | $4,920.00 |
PIC18LF2580T-I/SO 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), working memory (RAM), and peripherals. The PIC18 family belongs to Microchip's 8-bit MCU portfolio, which sits within the broader category of embedded microcontrollers. Within the Microchip ecosystem, PIC18 occupies the mid-range tier between baseline PIC10/12/16 and the 16-bit PIC24/dsPIC33 families. Designers select PIC18 when they need deterministic performance, integrated peripherals (CAN, ADC, PWM), and the longevity of the MPLAB toolchain without moving to a 32-bit ARM Cortex-M architecture.
Key features of the PIC18LF2580T-I/SO include 1.5 KB of RAM and 256 bytes of EEPROM data memory, an 8-channel 10-bit Analog-to-Digital Converter (ADC), an Enhanced CAN module (ECAN) supporting CAN 2.0B, three timers (Timer0/1/2/3), two USART modules, an MSSP for SPI/I2C, and a 10-bit ADC. The 'T' suffix in the part number denotes Tape-and-Reel packaging for high-volume SMT assembly, and the 'I' indicates the industrial operating temperature range of -40°C to +85°C.
Architecturally, the LF2580 combines the PIC18 Harvard-style RISC CPU (75 instructions, hardware multiplier) with on-chip debug support via ICSP (In-Circuit Serial Programming). The CAN module provides hardware message filtering and acceptance filtering, hardware acceptance masks, and double-buffered FIFOs. The ADC can be triggered by CCP timers or software, supporting low-power sleep conversion. The device operates from a single 2.0 V - 5.5 V supply and includes a low-power Sleep mode drawing micro-ampere currents.
Typical applications include CAN-enabled industrial sensor nodes, automotive body and powertrain sub-systems at module-level nodes, HVAC controller boards, building automation gateways, CAN-to-UART bridges, OBD-II diagnostic tools, LED lighting control with CAN signaling, and standalone CAN protocol repeaters. Designers also deploy it in retrofit BMS (Battery Management System) satellite-cell controllers communicating over CAN-bus.
When designing with this part, ensure that the CAN bus is terminated with a 120 Ω resistor at each end of the bus segment, and that the MCP2551 or similar CAN transceiver is correctly DC-biased. The MCU's HF-INTOSC (internal oscillator) is factory-calibrated to ±1 % across voltage and temperature, allowing designs without an external crystal for cost-sensitive layouts.
This page synthesizes distributor pricing from DigiKey and Mouser, drop-in compatible alternatives drawn from the PIC18LF2580/2480 and PIC18F2580/2480 families, and practical design notes covering CAN bus termination and ICSP programming that are not duplicated in the manufacturer's datasheet.
드롭인 대체품: PIC18LF2580T-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18LF2580T-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: Core, Package, Mounting Type, Timers, Operating Temperature.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18LF2580-I/SO
✅ 드롭인✓ 재고 있음
$3.56 / 개
데이터시트 보기 →PIC18F2580T-I/SO
✅ 드롭인✓ 재고 있음
$3.47 / 개
데이터시트 보기 →PIC18LF2480T-I/SO
✅ 드롭인✓ 재고 있음
$5.38 / 개
데이터시트 보기 →PIC18LF2585T-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC18LF2580T-I/SO 최대 정격 & 전기적 특성
| Core | PIC18 (8-bit RISC) |
| 최대 클록 주파수 | 40 MHz |
| Instruction Set Width | 16-bit (RISC) |
| Program Memory (Flash) | 32 KB (16K x 16 words) |
| RAM | 1.5 KB |
| EEPROM | 256 bytes |
| Supply Voltage Range (LF) | 2.0 V to 5.5 V |
| I/O Pins | 34 (digital I/O) |
| ADC | 10-bit, 8 channels |
| CAN Module | ECAN (CAN 2.0B active) |
| Timers | 4 (Timer0/1/2/3) |
| Communication Peripherals | 2x USART, 1x MSSP (SPI/I2C), 1x ECAN |
| 동작 온도 | -40 °C to +85 °C (Industrial) |
| 패키지 | 28-SOIC (0.295", 7.5 mm width) |
| 실장 유형 | Surface Mount (Tape & Reel - T suffix) |
| RoHS 상태 | Compliant |
PIC18LF2580T-I/SO 핀 구성
| 핀 1 | MCLR/VPP/RE3 — Master Clear (reset) input or ICSP programming voltage; also digital input RE3 |
| 핀 2 | RA0/AN0 — Digital I/O RA0 or analog input AN0 |
| 핀 3 | RA1/AN1 — Digital I/O RA1 or analog input AN1 |
| 핀 4 | RA2/AN2/VREF- — Digital I/O RA2, AN2, or ADC negative reference |
| 핀 5 | RA3/AN3/VREF+ — Digital I/O RA3, AN3, or ADC positive reference |
| 핀 6 | RA4/T0CKI — Digital I/O RA4 or Timer0 clock input |
| 핀 7 | RA5/AN4/SS — Digital I/O RA5, AN4, or SPI Slave Select |
| 핀 8 | VSS — Ground |
| 핀 9 | OSC1/CLKI/RA7 — Crystal oscillator input or digital I/O RA7 |
| 핀 10 | OSC2/CLKO/RA6 — Crystal oscillator output or digital I/O RA6 |
| 핀 11 | RC0/T1OSO/T1CKI — Digital I/O RC0 or Timer1 oscillator input |
| 핀 12 | RC1/T1OSI/CCP2 — Digital I/O RC1 or Capture/Compare PWM2 |
| 핀 13 | RC2/CCP1 — Digital I/O RC2 or Capture/Compare PWM1 |
| 핀 14 | RC3/SCK/SCL — Digital I/O RC3, SPI clock, or I2C clock |
| 핀 15 | RC4/SDI/SDA — Digital I/O RC4, SPI data input, or I2C data |
| 핀 16 | RC5/SDO — Digital I/O RC5 or SPI data output |
| 핀 17 | RC6/TX/CK — USART1 transmit or USART synchronous clock |
| 핀 18 | RC7/RX/DT — USART1 receive or USART synchronous data |
| 핀 19 | VSS — Ground |
| 핀 20 | VDD — Positive supply voltage (2.0 V - 5.5 V) |
| 핀 21 | RB0/INT0 — Digital I/O RB0 or external interrupt 0 |
| 핀 22 | RB1/INT1 — Digital I/O RB1 or external interrupt 1 |
| 핀 23 | RB2/INT2 — Digital I/O RB2 or external interrupt 2 |
| 핀 24 | RB3/CCP2 — Digital I/O RB3 or PWM output |
| 핀 25 | RB4 — Digital I/O RB4 (interrupt-on-change) |
| 핀 26 | RB5 — Digital I/O RB5 (interrupt-on-change) |
| 핀 27 | RB6/PGD — Digital I/O RB6 or ICSP data |
| 핀 28 | RB7/PGC — Digital I/O RB7 or ICSP clock |
일반적인 애플리케이션
PIC18LF2580T-I/SO 적합 용도: 6 애플리케이션s: CAN-Enabled Industrial Sensor Hub, OBD-II Automotive Diagnostic Tool, Building Automation / HVAC Gateway, Industrial LED Lighting with CAN Signaling, CAN-to-UART Protocol Bridge, Battery-Management Satellite (BMS) Cell Board.
CAN-Enabled Industrial Sensor Hub
The PIC18LF2580T-I/SO is well-suited for industrial sensor hubs because its integrated Enhanced CAN (ECAN) module with hardware acceptance filtering handles multi-node CAN-bus traffic at 40 MHz without software overhead. The 10-bit, 8-channel ADC scans analog sensor inputs while two USARTs add RS-232/RS-485 debugging channels. With 32 KB Flash holding the CANopen or Modbus-RTU stack plus application code, and 2.0 V - 5.5 V operation permitting battery-backed operation, it serves in 24 V industrial racking with on-board 5 V regulator. A 120 Ω termination resistor at the bus is mandatory per ISO 11898.
추천
OBD-II Automotive Diagnostic Tool
The PIC18LF2580T-I/SO is widely used in OBD-II diagnostic tools because it includes the CAN 2.0B engine that interfaces directly to the vehicle CAN-H/CAN-L lines via an MCP2515 or MCP2551 transceiver. The 32 KB Flash holds the SAE J1979 decoder plus proprietary-protocol parsing, while 1.5 KB RAM stores live PIDs. Its 2.0 V - 5.5 V range simplifies battery operation (a single Li-Ion cell feeding through a boost regulator). For garage units, the industrial -40 °C to +85 °C range handles cold-start and underhood temperatures.
추천
Building Automation / HVAC Gateway
Building-automation gateways that convert between BACnet/Modbus CAN and IP networks benefit from the PIC18LF2580T-I/SO's dual USARTs (one for RS-485 Modbus, one for the backhaul) and CAN engine (for BMS traffic). Its 256-byte EEPROM stores configuration parameters (node address, baud rate, calibration) that persist across power cycles. With an industrial temperature rating and a wide 2.0 V - 5.5 V supply range, the part handles rooftop HVAC controller environments. 32 KB Flash fits lightweight BACnet/IP translation firmware with margin for future feature additions.
추천
Industrial LED Lighting with CAN Signaling
Architectural and warehouse LED lighting that uses CAN as the lighting-control protocol can use the PIC18LF2580T-I/SO as the per-fixture controller. Its 8-channel 10-bit ADC samples dimming feedback, the ECCP/PWM module drives constant-current LED drivers, and the ECAN engine receives DMX-over-CAN style commands. The 1.5 KB RAM holds the PID controller state for thermal-foldback. Industrial-grade temperature range avoids derating in ceiling-mounted fixtures, and 2.0 V - 5.5 V operation permits 24 V or 48 V string-driver configurations.
추천
CAN-to-UART Protocol Bridge
The PIC18LF2580T-I/SO is ideal for CAN-to-UART protocol bridges (e.g., telematics boxes, asset trackers) because it integrates CAN and two USARTs on a single chip. The CAN engine handles bus filtering while USART1 transparently forwards frames to a 4G/GSM modem; USART2 is for GPS or auxiliary sensors. 32 KB Flash holds the bridge daemon, 256-byte EEPROM holds the routing table, and the 40 MHz core handles up to 500 kbps CAN traffic with low latency. Industrial temperature rating supports outdoor telematics enclosures.
추천
Battery-Management Satellite (BMS) Cell Board
Lithium battery management satellite boards frequently use the PIC18LF2580T-I/SO for cell voltage/temperature monitoring over CAN. Eight ADC channels cover up to 8 cell voltages, the ECAN engine enables daisy-chained CAN-bus balancing boards, and the 2.0 V - 5.5 V supply range supports 4-8 cell battery stacks. Its 32 KB Flash is ample for the BMS state machine, 256-byte EEPROM holds cell-balance calibration, and the deep sleep mode conserves quiescent current when not actively balancing. Industrial grade -40 °C to +85 °C handles wide thermal swings in battery packs.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC18LF2580T-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18LF2580-I/SO | PIC18F2580T-I/SO | PIC18LF2480T-I/SO | PIC18LF2585T-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (0.295") | 28-SOIC (0.295") - same | 28-SOIC (0.295") - same | 28-SOIC (0.295") - same | 28-SOIC (0.295") - same |
| Supply Voltage Range | 2.0 V to 5.5 V (LF) | 2.0 V to 5.5 V - same | 4.2 V to 5.5 V (F variant) | 2.0 V to 5.5 V - same | 2.0 V to 5.5 V - same |
| CAN Module | ECAN (CAN 2.0B) | ECAN - same | ECAN - same | ECAN - same | ECAN - same |
| Maximum Clock Frequency | 40 MHz | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C - same | -40 °C to +85 °C - same | -40 °C to +85 °C - same | -40 °C to +85 °C - same |
| Reel / Tube Packaging | Tape & Reel (T) | Tube (no T) | Tape & Reel - same | Tape & Reel - same | Tape & Reel - same |
주요 차별점
- Wider supply voltage range (2.0 V - 5.5 V) than non-LF equivalent (vs PIC18F2580T-I/SO)
- Industrial temperature range for harsh environments (vs Standard PIC18LF2580 variants without 'I' suffix)
- Integrated Enhanced CAN module (rare for 8-bit MCUs) (vs PIC18F2550 (no CAN module))
설계 노트
Place a 120 Ω termination resistor at each end of the CAN-bus segment per ISO 11898. The MCP2551 or MCP2561 transceiver sits as close to the MCU's CANTX/CANRX pins (RC6/RC7) as possible, with the bus traces impedance-matched to 120 Ω differential. Keep the MCU's GND trace contiguous under the analog (ADC) and CAN sections to avoid switching noise coupling into ADC readings.
The PIC18LF2580T-I/SO includes a 2.0 V - 5.5 V supply range but be aware that ADC accuracy degrades below 3.0 V due to reference scaling. Add a 100 nF decoupling capacitor as close to VDD (pin 20) as possible, plus a 10 µF bulk capacitor near the regulator. For battery-backed designs, the MCU's Sleep mode draws microampere currents, allowing long-term data retention in the 256-byte EEPROM.
Do not confuse the 'LF' (low-voltage) prefix with the 'F' (Flash) prefix when ordering - PIC18LF2580 supports 2.0 V - 5.5 V while PIC18F2580 requires 4.2 V. Also note that the 'T' suffix in PIC18LF2580T-I/SO designates Tape and Reel packaging, not a different silicon. For programming, the ICSP pins (RB6/RB7) require a 13V VPP pulse on MCLR; use the Microchip PICkit 3 or MPLAB ICD 3 programmer, not a generic ISP box.
The CAN bus differential pair (CANH/CANL) requires twisted-pair cable with 120 Ω characteristic impedance. Use a transceiver like MCP2551 with a common-mode choke for industrial EMI environments. For long bus segments (>40 m), reduce the baud rate to 125 kbps to limit signal reflections. The ECAN module's hardware acceptance filtering reduces software overhead - configure the acceptance masks for efficient message routing.
규정 준수 정보
RoHS compliant per Microchip product page. Industrial-grade temperature range only - NOT AEC-Q100 qualified. For automotive AEC-Q100 applications, choose PIC18F2580-I/SO automotive-grade variant.
