PIC18LF4620T-I/PT - 8-Bit 40MHz 64KB Flash MCU | Microchip
N.º da peça: PIC18LF4620T-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $17.46 | $17,46 |
| 10 | $15.71 | $157,10 |
| 100 | $14.2 | $1.420,00 |
| 500 | $12.85 | $6.425,00 |
| 1.000 | $11.5 | $11.500,00 |
PIC18LF4620T-I/PT Visão geral
A PIC18 microcontroller is a member of Microchip's 8-bit RISC architecture family, sitting within the broader taxonomy of microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. The PIC18 family uses a 16-bit instruction word with an 8-bit data path, providing an enhanced instruction set over earlier PIC16 devices while maintaining full code compatibility with the PIC16 mid-range core. The "nanoWatt Technology" branding refers to Microchip's power-management features including multiple idle and sleep modes, oscillator start-up timers, and ultra-low-power Real-Time Clock/Calendar operation.
Key features include 64 KB (32 K x 16) flash program memory, 3968 bytes of RAM, 1024 bytes of EEPROM, a 10-bit Analog-to-Digital Converter (ADC) with up to 13 input channels, multiple communication peripherals (EUSART, MSSP for SPI/I2C), and four 8-bit/16-bit timers. The device supports up to 36 digital I/O pins, hardware multiplier, and enhanced Capture/Compare/PWM (ECCP) modules, enabling direct motor control, power-conversion, and lighting applications without external logic.
The PIC18LF4620T-I/PT integrates nanoWatt power-management technology with multiple low-power modes (RUN, IDLE, SLEEP) and a fast wake-up from sleep with 1 µs typical response. The internal RC oscillator and PLL options support flexible clock configurations from 31 kHz to 40 MHz. The architecture also supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD) via MPLAB tools, allowing field firmware upgrades and real-time development.
Typical applications include industrial automation controllers, automotive body electronics, USB peripherals, sensor signal conditioning, smart-card readers, and consumer appliances. The wide voltage range (2.0 V to 5.5 V) makes it particularly well suited to battery-powered devices such as portable instrumentation and remote sensors. The 64 KB flash provides sufficient code space for graphical user interfaces, protocol stacks (Modbus, LIN), and over-the-air (OTA) firmware update routines.
When designing with this device, consider using the PIC18F4620 (5 V only) variant for cost-sensitive line-powered designs, or PIC18LF45K80 (lower power with enhanced peripherals) for battery applications. Always consult the PIC18F4620 family datasheet for ADC acquisition-time calculations, MSSP timing margins, and CCP PWM resolution trade-offs at system clock frequencies above 25 MHz.
This page synthesizes distributor pricing, same-brand drop-in alternatives (PIC18LF4620-I/PT, PIC18F4620T-I/PT, etc.), and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC18LF4620T-I/PT — 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 PIC18LF4620T-I/PT (mesmo formato e footprint) — diferindo em Operating Temperature, Timers, ADC, Package, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18LF4620-I/PT
✅ Drop-In✓ Em estoque
$4.45 / unidade
Ver ficha técnica →PIC18F4620T-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18LF4610T-I/PT
✅ Drop-In✓ Em estoque
$7.3 / unidade
Ver ficha técnica →PIC18LF45K80T-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC18LF45K40T-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.08 / unidade
Ver ficha técnica →PIC18F45K22T-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.78 / unidade
Ver ficha técnica →PIC18LF4620T-I/PT Classificações máximas e características elétricas
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC18F |
| Core Architecture | PIC18 8-bit RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 3968 bytes |
| EEPROM | 1024 bytes |
| Maximum CPU Clock | 40 MHz |
| Instruction Set Width | 16-bit |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| Timers | Four 8/16-bit Timer modules |
| Communication Peripherals | EUSART, MSSP (SPI/I2C) |
| PWM | Enhanced CCP (ECCP) modules |
| Temperatura de operação | -40 °C to +85 °C (Industrial) |
| Encapsulamento | 44-pin TQFP (10x10 mm) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Nível MSL | 3 |
Configuração de pinos do PIC18LF4620T-I/PT
| Pino 1 | RC2/CCP1 — Digital I/O / Enhanced CCP1 PWM output |
| Pino 2 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| Pino 3 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| Pino 4 | RC5/SDO — Digital I/O / SPI data out |
| Pino 5 | RC6/TX/CK — Digital I/O / EUSART TX / clock |
| Pino 6 | RC7/RX/DT — Digital I/O / EUSART RX / data |
| Pino 7 | RD0/PSP0 — Digital I/O / Parallel Slave Port bit 0 |
| Pino 8 | RD1/PSP1 — Digital I/O / Parallel Slave Port bit 1 |
| Pino 9 | RD2/PSP2 — Digital I/O / Parallel Slave Port bit 2 |
| Pino 10 | RD3/PSP3 — Digital I/O / Parallel Slave Port bit 3 |
| Pino 11 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / clock in |
| Pino 12 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 output |
| Pino 13 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| Pino 14 | RB7/PGD — Digital I/O / Programming Data pin |
| Pino 15 | RB6/PGC — Digital I/O / Programming Clock pin |
| Pino 16 | RB5/PGM — Digital I/O / Low-voltage ICSP Programming |
| Pino 17 | RB4 — Digital I/O |
| Pino 18 | RB3/AN9/CCP2 — Digital I/O / Analog input 9 / CCP2 output |
| Pino 19 | RB2/AN8 — Digital I/O / Analog input 8 |
| Pino 20 | RB1/AN10 — Digital I/O / Analog input 10 |
| Pino 21 | RB0/AN12/INT0 — Digital I/O / Analog input 12 / External interrupt 0 |
| Pino 22 | VSS — Ground reference |
| Pino 23 | VDD — Positive supply voltage |
| Pino 24 | RA2/AN2/VREF- — Digital I/O / Analog input 2 / ADC reference negative |
| Pino 25 | RA3/AN3/VREF+ — Digital I/O / Analog input 3 / ADC reference positive |
| Pino 26 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Pino 27 | RA5/AN4/SS — Digital I/O / Analog input 4 / SPI slave select |
| Pino 28 | RE0/RD/AN5 — Digital I/O / Parallel Slave Port read / Analog input 5 |
| Pino 29 | RE1/WR/AN6 — Digital I/O / Parallel Slave Port write / Analog input 6 |
| Pino 30 | RE2/CS/AN7 — Digital I/O / Parallel Slave Port chip select / Analog input 7 |
| Pino 31 | VDD — Positive supply voltage |
| Pino 32 | VSS — Ground reference |
| Pino 33 | RA0/AN0 — Digital I/O / Analog input 0 |
| Pino 34 | RA1/AN1 — Digital I/O / Analog input 1 |
| Pino 35 | RA2/AN2 — Digital I/O / Analog input 2 |
| Pino 36 | RA3/AN3 — Digital I/O / Analog input 3 |
| Pino 37 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Pino 38 | RA5/AN4 — Digital I/O / Analog input 4 |
| Pino 39 | OSC1/CLKIN — Crystal oscillator input / external clock |
| Pino 40 | OSC2/CLKOUT — Crystal oscillator output / clock out |
| Pino 41 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output |
| Pino 42 | RC1/T1OSI — Digital I/O / Timer1 oscillator input |
| Pino 43 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| Pino 44 | RC3 — Digital I/O |
Aplicações típicas
PIC18LF4620T-I/PT é adequado para 6 aplicaçãos: Industrial Automation Controllers, Portable Battery-Powered Instruments, Automotive Body Electronics, Smart Card and RFID Readers, Consumer Appliance Control Boards, Data Acquisition and Sensor Hubs.
Industrial Automation Controllers
The PIC18LF4620T-I/PT is well suited for industrial automation controllers requiring 64 KB flash for protocol stacks (Modbus RTU, CANopen) and 3968 bytes RAM for data buffering. Its 40 MHz CPU provides 10 MIPS throughput, enabling responsive control loops with sub-millisecond scan times. The 13-channel 10-bit ADC reads multiple sensor inputs (temperature, pressure, flow) without external multiplexers, while four timer modules drive PWM outputs for motor speed and valve control. The 36 I/O pins accommodate numerous digital inputs (limit switches, encoders) and outputs (relays, contactors) in a single chip. Industrial -40 °C to +85 °C temperature rating ensures reliable operation in factory-floor cabinets with elevated ambient temperatures.
Recomendado
Portable Battery-Powered Instruments
The LF voltage range (2.0 V to 5.5 V) of the PIC18LF4620T-I/PT makes it ideal for portable instruments powered by two AA cells or lithium battery packs. The nanoWatt technology provides multiple low-power modes including SLEEP (down to nanoamps) with 1 µs wake-up, enabling duty-cycled sensor measurement applications with battery life measured in years. The 10-bit ADC with 13 channels supports multiple sensor inputs (temperature, humidity, light) while four timer modules drive LCD multiplexing or low-power display updates. The 64 KB flash accommodates wireless protocol stacks (BLE, LoRa) when paired with external modules. Tape-and-reel packaging supports high-volume SMT assembly of portable products.
Recomendado
Automotive Body Electronics
The PIC18LF4620T-I/PT is suitable for non-safety automotive body electronics applications such as interior lighting controllers, seat control modules, mirror adjusters, and HVAC panel controls. The 40 MHz CPU provides responsive user-interface handling for capacitive touch buttons and rotary encoders, while the Enhanced CCP (ECCP) modules generate PWM outputs for LED dimming and motor control without external driver logic. The wide operating voltage range tolerates automotive 12 V system transients when paired with proper voltage regulation. While not AEC-Q100 qualified, the industrial -40 °C to +85 °C rating is acceptable for cabin-mounted body electronics modules.
Recomendado
Smart Card and RFID Readers
The PIC18LF4620T-I/PT provides sufficient flash (64 KB) and RAM (3968 bytes) to implement ISO 14443 contactless smart-card reader stacks or 125 kHz RFID reader protocols on a single MCU. Its hardware MSSP peripheral supports SPI and I2C communication with NFC frontends (PN532, CR95HF), while the EUSART handles wired smart-card interfaces (T=0/T=1 protocols) at standard baud rates. The hardware timer modules generate precise carrier frequencies for RFID modulation (13.56 MHz, 125 kHz) without CPU overhead, freeing the core for protocol handling. The wide operating voltage range supports both 3.3 V and 5 V smart-card interfaces on the same hardware design.
Recomendado
Consumer Appliance Control Boards
The PIC18LF4620T-I/PT delivers the right mix of peripherals and memory for consumer appliance control boards such as washing machines, microwave ovens, refrigerators, and small kitchen appliances. The 13-channel ADC reads multiple analog inputs (temperature sensors, water level, motor current) while the 36 I/O pins drive relay outputs, seven-segment displays, keypad inputs, and buzzer drivers. The Enhanced CCP modules generate PWM signals for variable-speed motor control (washing machine drum, fan motors) with dead-band control for inverter drives. The 64 KB flash accommodates graphical user interfaces with custom character sets, status icons, and menu structures in appliance-grade products.
Recomendado
Data Acquisition and Sensor Hubs
The PIC18LF4620T-I/PT is well suited as a multi-channel sensor hub that aggregates analog and digital sensor data and forwards it to a host processor via UART, SPI, or I2C. The 13-channel 10-bit ADC handles voltage, current, and temperature measurements in industrial monitoring systems, while the EUSART provides isolated RS-485 communication with Modbus RTU protocol support. The MSSP peripheral simultaneously drives an SPI OLED display showing real-time readings and accepts I2C commands from a higher-level controller. The 64 KB flash accommodates Modbus protocol stacks, calibration tables, and data logging routines for industrial-grade sensor hubs with local display capability.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18LF4620T-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18LF4620-I/PT | PIC18F4620T-I/PT | PIC18LF4610T-I/PT | PIC18LF45K80T-I/PT | PIC18LF45K40T-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB |
| RAM | 3968 bytes | 3968 bytes | 3968 bytes | 3968 bytes | 2048 bytes | 2048 bytes |
| Operating Voltage Range | 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 | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Maximum CPU Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 64 MHz | 64 MHz |
| ADC Channels | 13 channels, 10-bit | 13 channels, 10-bit | 13 channels, 10-bit | 13 channels, 10-bit | 11 channels, 12-bit | 35 channels, 12-bit |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Approximate Unit Price (qty 1000) | $11.50 | $11.30 (tray) | $10.50 | $12.00 | $8.50 | $5.00 |
Principais diferenciais
- Wider operating voltage range than the F variant (vs PIC18F4620T-I/PT)
- Larger RAM than newer K-series alternatives (vs PIC18LF45K80T-I/PT)
- Lower cost than specialty variant (vs PIC18LF4610T-I/PT)
Notas de projeto
Decouple VDD pins with a 100 nF ceramic capacitor placed within 3 mm of each VDD/VSS pair. The PIC18LF4620T-I/PT has multiple VDD/VSS pins (22/23 and 31/32 on the 44-pin TQFP) and each must be individually decoupled to handle switching transients. For battery-powered designs, add a 10 µF bulk capacitor at the supply rail to handle inrush when the ADC reference settles after wake-up from sleep mode. Do not exceed the absolute maximum rating of 7.5 V on VDD to prevent permanent damage.
Place the crystal oscillator (or ceramic resonator) within 5 mm of the OSC1/OSC2 pins (pins 39 and 40) to minimize parasitic capacitance. Use a ground guard ring around the oscillator traces and keep digital signal traces at least 3 mm away. For high-speed SPI or EUSART communication above 1 Mbps, place series termination resistors (33-100 Ω) at the driver output pins to control reflections. Route analog ADC inputs (RA0-RA5, RB0-RB3, RE0-RE2) as far as possible from digital switching signals to minimize coupled noise.
Ensure MCLR pin (pin 1 in 44-pin TQFP) has a proper pull-up resistor (typically 10 kΩ) to VDD. Without it, the device will not start reliably and may enter programming mode unintentionally. Configure the configuration bits (CONFIG1H through CONFIG5L) correctly before first programming to prevent the device from locking out future ICSP updates. The LF variant supports 2.0 V to 5.5 V but the F variant requires 4.2 V minimum - do not substitute F for LF in 3.3 V designs. Finally, do not exceed 100,000 erase/write cycles on Flash program memory or 1,000,000 cycles on EEPROM, as endurance degrades rapidly beyond these limits.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Industrial temperature range -40 °C to +85 °C, not AEC-Q100 qualified for automotive safety applications. Lead-free and halogen-free packaging per Microchip environmental compliance documentation.