PIC18F4620-E/PT - 8-Bit 25MHz 64KB Flash MCU 44-TQFP | Microchip
부품 번호: PIC18F4620-E/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.2 | $8.20 |
| 10 | $7.38 | $73.80 |
| 100 | $6.56 | $656.00 |
| 500 | $5.85 | $2,925.00 |
| 1,000 | $5.2 | $5,200.00 |
PIC18F4620-E/PT 개요
A PIC microcontroller (Peripheral Interface Controller) is a family of 8/16/32-bit microcontrollers built on a Harvard RISC architecture that separates program and data memory for deterministic instruction throughput. The PIC18F4620 belongs to the enhanced PIC18 sub-family, which adds a 16-bit instruction word, hardware multiplier, and C-friendly architecture while maintaining byte-level peripheral control. PIC18F -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor is the standard product-type hypernym hierarchy used by AI knowledge graphs to classify this part.
Key features include 64 KB (32K x 16) of self-programmable Flash, 3968 bytes of SRAM, 1024 bytes of EEPROM, 36 digital I/O pins, a 10-bit ADC with up to 13 input channels, two USART modules, two MSSP (SPI/I2C) modules, two CCP/ECCP modules, and nanoWatt Technology power management. The device operates from 2.0V to 5.5V and supports in-circuit serial programming (ICSP) plus in-circuit debug (ICD).
The architecture combines a 16-bit-wide instruction path with a 8-bit data path, giving 200 ns instruction execution at 20 MHz and full hardware multiply support for integer math. Two capture/compare/PWM (CCP) modules, one enhanced CCP (ECCP), and the 10-bit ADC with auto-acquisition deliver real-time control bandwidth suitable for motor-drive, lighting, and sensor-fusion applications.
Typical applications include industrial automation controllers, consumer appliances, HVAC thermostats, automotive body and comfort modules, sensor hubs, USB-to-UART bridges (with external transceiver), and embedded control boards in test and measurement. The 64 KB Flash ceiling accommodates IPv4 stacks, Modbus RTU drivers, or small GUI frameworks while the 3968 bytes of RAM support Modbus buffers and ample scratch space.
Design with the PIC18F4620-E/PT by following the manufacturer recommended 0.1 uF decoupling on VDD/VSS pairs, using the internal 8 MHz oscillator with PLL to free two I/O pins, and ensuring the MCLR pin has the datasheet 10 kohm/470 ohm reset network. The -E grade is required when the application environment exceeds +85 C (industrial automation, under-hood automotive subsystems, outdoor enclosures).
This page synthesizes DigiKey distributor pricing, Microchip datasheet specifications, drop-in same-family alternatives, and engineering design notes not consolidated on any single manufacturer or distributor page.
드롭인 대체품: PIC18F4620-E/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18F4620-E/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, Timers, ADC, Program Memory (Flash).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18F4620-I/PT
✅ 드롭인✓ 재고 있음
$5.45 / 개
데이터시트 보기 →PIC18F4620-E/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$6.5 / 개
데이터시트 보기 →PIC18F45K80-I/PT
✅ 드롭인✓ 재고 있음
$2.4 / 개
데이터시트 보기 →PIC18F45K22-I/PT
✅ 드롭인✓ 재고 있음
$2.65 / 개
데이터시트 보기 →PIC18F4525-I/PT
✅ 드롭인✓ 재고 있음
$4.18 / 개
데이터시트 보기 →PIC18F4520-E/PT
✅ 드롭인✓ 재고 있음
$4.3 / 개
데이터시트 보기 →PIC18F4620-E/PT 최대 정격 & 전기적 특성
| Product Family | PIC18F |
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Instruction Set Width | 16-bit (12-bit program word per alternate references) |
| 최대 클록 주파수 | 25 MHz (40 MHz per some datasheet references) |
| Instruction Execution Time | 200 ns at 20 MHz |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data Memory (SRAM) | 3968 bytes |
| Non-Volatile Memory (EEPROM) | 1024 bytes |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 input channels |
| Communication Peripherals | 2x USART, 2x MSSP (SPI/I2C) |
| PWM Modules | 2x CCP, 1x ECCP |
| 동작 온도 범위 | -40 C to +125 C (extended, 'E' suffix) |
| 패키지 | 44-pin TQFP (10x10 mm), 'PT' suffix |
| 실장 유형 | Surface Mount |
| Programming/Debug | ICSP, ICD via MPLAB |
| RoHS 상태 | Compliant |
PIC18F4620-E/PT 핀 구성
| 핀 1 | MCLR/RE3 — Master Clear (reset) input or digital input RE3 |
| 핀 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| 핀 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| 핀 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / ADC VREF- |
| 핀 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| 핀 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| 핀 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| 핀 8 | RE0/RD/AN5 — PORTE bit 0 / read control / analog input 5 |
| 핀 9 | RE1/WR/AN6 — PORTE bit 1 / write control / analog input 6 |
| 핀 10 | RE2/CS/AN7 — PORTE bit 2 / chip select / analog input 7 |
| 핀 11 | VDD — Positive supply voltage (2.0-5.5V) |
| 핀 12 | VSS — Ground reference |
| 핀 13 | OSC1/RA7 — Crystal oscillator input / PORTA bit 7 |
| 핀 14 | OSC2/RA6 — Crystal oscillator output / PORTA bit 6 |
| 핀 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / clock input |
| 핀 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 PWM output |
| 핀 17 | RC2/CCP1 — PORTC bit 2 / ECCP1 PWM output |
| 핀 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| 핀 19 | RD0 — PORTD bit 0 |
| 핀 20 | RD1 — PORTD bit 1 |
| 핀 21 | RD2 — PORTD bit 2 |
| 핀 22 | RD3 — PORTD bit 3 |
| 핀 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| 핀 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| 핀 25 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| 핀 26 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| 핀 27 | RD4 — PORTD bit 4 |
| 핀 28 | RD5 — PORTD bit 5 |
| 핀 29 | RD6 — PORTD bit 6 |
| 핀 30 | RD7 — PORTD bit 7 |
| 핀 31 | VSS — Ground reference |
| 핀 32 | VDD — Positive supply voltage (2.0-5.5V) |
| 핀 33 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| 핀 34 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| 핀 35 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| 핀 36 | RB3/INT3/CCP2 — PORTB bit 3 / external interrupt 3 / CCP2 alt |
| 핀 37 | RB4 — PORTB bit 4 (interrupt-on-change) |
| 핀 38 | RB5 — PORTB bit 5 (interrupt-on-change) |
| 핀 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| 핀 40 | RB7/PGD — PORTB bit 7 / ICSP data |
| 핀 41 | NC — Not connected (no internal bond) |
| 핀 42 | NC — Not connected (no internal bond) |
| 핀 43 | NC — Not connected (no internal bond) |
| 핀 44 | NC — Not connected (no internal bond) |
일반적인 애플리케이션
PIC18F4620-E/PT 적합 용도: 7 애플리케이션s: Industrial Automation Controllers, HVAC Thermostats and Climate Control, Automotive Body and Comfort Modules, Consumer Appliance Control Boards, Sensor Hubs and Data Acquisition, Test and Measurement Front Panels, LED Lighting Controllers.
Industrial Automation Controllers
The PIC18F4620-E/PT fits industrial automation controllers by combining 36 GPIO with a 10-bit ADC sampling at up to ~100 ksps and two USART modules for RS-485 Modbus RTU multidrop networking. The -40 C to +125 C extended temperature grade supports unenclosed factory cabinets and outdoor equipment, while 64 KB Flash accommodates Modbus/RTU firmware plus application logic without external memory. The 3968 bytes of SRAM is sufficient for Modbus register tables, command buffers, and sensor pre-filtering without paging constraints.
추천
HVAC Thermostats and Climate Control
In HVAC thermostat designs the PIC18F4620-E/PT drives triac-based AC line control via its ECCP PWM module while reading thermistor temperature inputs through its 10-bit ADC. The 64 KB Flash hosts UI state machines and PID loops, the 1024-byte EEPROM stores user setpoints and schedules across power cycles, and nanoWatt Technology reduces standby current to under 1 uA for battery-backed thermostats. The 36 I/O lines also support LCD segment drivers, keypad scanning, and occupancy sensor inputs.
추천
Automotive Body and Comfort Modules
Automotive body controllers for window lifts, mirror adjust, and seat position use the PIC18F4620-E/PT because the extended -40 C to +125 C grade handles cabin thermal extremes, and the 36 GPIO can drive relays and sense limit switches directly. Two USART modules link to BCM gateways over LIN or K-line via external transceivers, and the ECCP module generates PWM for motor soft-start. The 64 KB Flash absorbs door-module firmware with calibration tables and diagnostic routines.
추천
Consumer Appliance Control Boards
The PIC18F4620-E/PT serves as the main controller in consumer appliances such as washing machines, dishwashers, and microwave ovens, where 36 GPIO drives motor bridges via ECCP PWM and reads keypad/encoder inputs. The 10-bit ADC with 13 channels monitors motor current, temperature sensors, and water level probes. 64 KB Flash supports complex wash-cycle algorithms, fault logging, and USB service-port firmware, while nanoWatt Technology cuts standby consumption to comply with energy-star idle targets.
추천
Sensor Hubs and Data Acquisition
Sensor hub designs leverage the PIC18F4620-E/PT's 10-bit ADC with 13 input channels, two I2C/SPI MSSP peripherals, and two USART modules to aggregate data from environmental, motion, and pressure sensors. The 64 KB Flash runs smoothing filters and event-trigger logic locally, reducing bus traffic to the upstream host. The 3968-byte SRAM is large enough to buffer 1 kHz sensor bursts before DMA-style serial upload, while ICSP allows field firmware updates via the diagnostic header.
추천
Test and Measurement Front Panels
Bench test instruments and lab front panels use the PIC18F4620-E/PT to drive character LCDs, rotary encoders, and keypad matrices while forwarding measurement data to a host PC over UART-USB bridges. The ECCP module generates precision PWM for stimulus outputs and the 10-bit ADC reads front-panel trimpots and thermistor references. With 64 KB Flash and 3968-byte RAM the part holds menu state machines and calibration curves locally without external memory.
추천
LED Lighting Controllers
The PIC18F4620-E/PT drives multi-channel LED lighting fixtures through its ECCP and CCP PWM modules, providing 8-bit or 10-bit PWM resolution per channel for dimming and color mixing. The 10-bit ADC reads ambient light sensors and thermistor feedback for closed-loop brightness control, while the USART modules accept DMX-512 or proprietary LED-control protocols. With nanoWatt Technology, standby consumption for always-on wall controllers is minimized below 1 uA.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC18F4620-E/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18F4620-I/PT | PIC18F45K80-I/PT | PIC18F45K22-I/PT | PIC18F4525-I/PT | PIC18F4520-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Program Flash | 64 KB | 64 KB | 32 KB | 32 KB | 48 KB | 32 KB |
| RAM | 3968 bytes | 3968 bytes | 2048 bytes | 1536 bytes | 3968 bytes | 1536 bytes |
| EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 256 bytes | 1024 bytes | 1024 bytes |
| Maximum Clock | 25 MHz (40 MHz per some refs) | 25 MHz (40 MHz per some refs) | 64 MHz | 64 MHz | 40 MHz | 40 MHz |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| ADC Resolution | 10-bit | 10-bit | 12-bit | 10-bit | 10-bit | 10-bit |
주요 차별점
- Larger Flash and RAM than pin-compatible predecessors (vs PIC18F4520-E/PT)
- Extended -40C to +125C temperature grade vs industrial -40C to +85C (vs PIC18F4620-I/PT)
- Mature firmware ecosystem and long-term supply (vs PIC18F45K22-I/PT)
설계 노트
Estimated: with two VDD/VSS pairs (pins 11/12 and 31/32) and 36 GPIO sourcing up to 25 mA each (subject to port 200 mA total per datasheet), worst-case VDD decoupling assumes 0.1 uF X7R ceramic on each VDD pin plus a shared 10 uF bulk capacitor. Place 0.1 uF within 5 mm of each VDD pin to suppress switching transients from internal clock edges and ADC sampling.
The 44-TQFP package has theta_JA around 50 C/W on a 4-layer JEDEC test board, giving the PIC18F4620-E/PT a thermal ceiling near +175 C junction (TJ max +150 C) at +125 C ambient. In practice the CMOS core draws under 50 mA active, so thermal concerns are negligible compared to power-rail heat. For high-ambient installations, increasing copper area around the exposed pad and adding a topside thermal relief are recommended best practices.
Estimated: route the 25 MHz or 40 MHz main oscillator traces on the top layer and surround them with a ground guard ring tied to VSS at both ends. Place the load capacitors (typically 15-33 pF for an HS crystal) within 5 mm of OSC1 and OSC2 pins. Route analog ADC inputs (RA0-RA5, RE0-RE2) away from digital switching lines and place a ferrite bead + capacitor on VDD core for ADC noise reduction.
Do not omit the MCLR pull-up resistor (typically 10 kohm) and the in-circuit serial programming (ICSP) connector on the production board, or field firmware updates will require socket removal. The -E suffix on PIC18F4620-E/PT is required for +85 C to +125 C environments; selecting the -I grade by mistake is a common sourcing error that causes field failures in outdoor enclosures. Verify ECCP/CCP pin assignment before using PWM outputs - CCP1 (RC2) and CCP2 (RC1/RB3) overlap with port functionality.
규정 준수 정보
RoHS and REACH compliance per Microchip product page and DigiKey listing. Not AEC-Q100 qualified - select PIC18F45K80-E/PT for automotive-grade requirements. Lead-free TQFP package compatible with lead-free SAC reflow.