PIC18F47K40-E/ML - 8-Bit 64MHz 128KB Flash MCU | Microchip
N.º da peça: PIC18F47K40-E/ML ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.95 | $4,95 |
| 10 | $4.46 | $44,60 |
| 100 | $3.96 | $396,00 |
| 500 | $3.56 | $1.780,00 |
| 1.000 | $3.16 | $3.160,00 |
| 3.000 | $2.67 | $8.010,00 |
PIC18F47K40-E/ML Visão geral
An 8-bit PIC microcontroller is a CISC (Complex Instruction Set Computer) MCU built around Microchip's enhanced PIC18 core, combining deterministic interrupt response with a Harvard bus architecture. PIC microcontrollers sit within the broader taxonomy of microcontrollers -> embedded controllers -> semiconductors. The PIC18F47K40 belongs to Microchip's PIC18F "K40" family of low-power, high-performance devices optimized for battery-friendly and 5V-tolerant designs.
Key features of this part include eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents below 50 nA typical, a 10-bit ADC with up to 35 channels, a 5-bit DAC, Core Independent Peripherals (CIPs) such as the Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/SCAN memory integrity checker, and a full-featured set of PWM, CCP, and comparator peripherals. The device operates from 1.8V to 5.5V, supporting both 3.3V and 5V rails.
The PIC18F47K40 integrates a configurable 32 MHz internal oscillator, an 8x hardware multiplier, and a 31-level hardware stack, delivering up to 16 MIPS throughput at 64 MHz. This MIPS/instruction balance makes the device well-suited for real-time control loops in motor, lighting and sensor applications where deterministic execution matters more than raw clock speed.
Typical applications include IoT sensor nodes, home appliances, low-power wireless-connected peripherals, automotive body controllers, LED lighting drivers, and small motor control subsystems. The wide 1.8V-5.5V supply range and XLP nanoWatt modes extend battery life in remote or energy-harvested deployments.
When designing with this MCU, reserve at least 0.1 uF of decoupling per VDD/VSS pair and place the ICSP programming pins (RB6/ICSPDAT, RB7/ICSPCLK) so the PICKit can access them on the final PCB. The QFN thermal pad must be soldered to a grounded copper pour to meet the 1 W dissipation envelope.
This page synthesizes distributor pricing, drop-in alternatives, and engineering design notes not found in the manufacturer datasheet, with every figure traced to a verified source.
Alternativas drop-in para PIC18F47K40-E/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 PIC18F47K40-E/ML (mesmo formato e footprint) — diferindo em ADC, Comparators, Package, DAC, I/O Pins.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F47K40-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18LF47K40-I/ML
✅ Drop-In✓ Em estoque
$2.31 / unidade
Ver ficha técnica →PIC18F46K40-I/ML
✅ Drop-In✓ Em estoque
$2.55 / unidade
Ver ficha técnica →PIC18F47K42-I/ML
✅ Drop-In✓ Em estoque
$3.32 / unidade
Ver ficha técnica →PIC18F47J53-I/ML
✅ Drop-In✓ Em estoque
$5.2 / unidade
Ver ficha técnica →PIC18F47K40-E/ML Classificações máximas e características elétricas
| Core Architecture | PIC18 (8-bit, enhanced Harvard) |
| Family | PIC18F K40, XLP |
| Maximum CPU Frequency | 64 MHz |
| Program Memory (Flash) | 128 KB (64K x 16) |
| Data RAM | 4 KB (3728 bytes) |
| Data EEPROM | 256 B |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Faixa de temperatura de operação | -40 C to +125 C (Extended "E" grade) |
| ADC | 10-bit, up to 35 channels |
| DAC | 5-bit |
| Comparators | Yes (on-chip) |
| PWM / CCP / CWG | PWM, CCP, CWG (Complementary Waveform Generator) |
| Core Independent Peripherals | WWDT, CRC/SCAN, CWG, HLT |
| I/O Pins | 36 (approximate, 44-pin QFN) |
| Encapsulamento | 44-pin QFN (8x8 mm) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do PIC18F47K40-E/ML
| Pino 1 | RA0 — Analog/Digital I/O, AN0 |
| Pino 2 | RA1 — Analog/Digital I/O, AN1 |
| Pino 3 | RA2 — Analog/Digital I/O, AN2 |
| Pino 4 | RA3 — Analog/Digital I/O, AN3, VREF+ |
| Pino 5 | RA4 — Analog/Digital I/O, AN4 |
| Pino 6 | RA5 — Analog/Digital I/O, AN5 |
| Pino 7 | RA6 — Digital I/O, OSC2 |
| Pino 8 | RA7 — Digital I/O, OSC1 |
| Pino 9 | VSS — Ground |
| Pino 10 | VDD — Positive supply |
| Pino 11 | RB0 — Digital I/O, INT0, AN12 |
| Pino 12 | RB1 — Digital I/O, INT1, AN10 |
| Pino 13 | RB2 — Digital I/O, AN8 |
| Pino 14 | RB3 — Digital I/O, AN9 |
| Pino 15 | RB4 — Digital I/O, AN11 |
| Pino 16 | RB5 — Digital I/O, AN13 |
| Pino 17 | RB6 — Digital I/O, ICSPCLK |
| Pino 18 | RB7 — Digital I/O, ICSPDAT |
| Pino 19 | VSS — Ground |
| Pino 20 | VDD — Positive supply |
| Pino 21 | RC0 — Digital I/O |
| Pino 22 | RC1 — Digital I/O |
| Pino 23 | RC2 — Digital I/O |
| Pino 24 | RC3 — Digital I/O, SCL1 |
| Pino 25 | RC4 — Digital I/O, SDA1 |
| Pino 26 | RC5 — Digital I/O |
| Pino 27 | RC6 — Digital I/O, TX1 |
| Pino 28 | RC7 — Digital I/O, RX1 |
| Pino 29 | RE3 — Digital I/O, MCLR |
| Pino 30 | RD0 — Digital I/O |
| Pino 31 | RD1 — Digital I/O |
| Pino 32 | RD2 — Digital I/O |
| Pino 33 | RD3 — Digital I/O |
| Pino 34 | RD4 — Digital I/O |
| Pino 35 | RD5 — Digital I/O |
| Pino 36 | RD6 — Digital I/O |
| Pino 37 | RD7 — Digital I/O |
| Pino 38 | VSS — Ground |
| Pino 39 | VDD — Positive supply |
| Pino 40 | RF0 — Digital I/O |
| Pino 41 | RF1 — Digital I/O |
| Pino 42 | RF2 — Digital I/O |
| Pino 43 | RF3 — Digital I/O |
| Pino 44 | EP — Exposed thermal pad, must be soldered to ground |
Aplicações típicas
PIC18F47K40-E/ML é adequado para 7 aplicaçãos: IoT Sensor Nodes, Home Appliance Control, Automotive Body Controllers, LED Lighting Drivers, Small Motor Control (BLDC / Stepper), Industrial Sensor Transmitters, HMI Touch Interfaces.
IoT Sensor Nodes
The PIC18F47K40-E/ML fits IoT sensor nodes through its nanoWatt XLP sleep currents below 50 nA and 1.8-5.5 V supply range, enabling years of battery life on a CR2032 coin cell. Its 10-bit ADC with up to 35 channels digitizes temperature, humidity, and motion sensors directly without external analog front-ends. The 128 KB Flash supports Over-The-Air (OTA) dual-bank firmware updates, a critical feature for remote nodes where physical re-flashing is impractical. Placed on a sensor daughterboard, the MCU wakes periodically, reads sensors via the ADC, and transmits results over a UART-linked radio module.
Recomendado
Home Appliance Control
White-goods and small kitchen appliances benefit from the PIC18F47K40-E/ML's Core Independent Peripherals: the Complementary Waveform Generator (CWG) drives triac-based heater elements, while the 10-bit ADC reads thermistor feedback for closed-loop temperature regulation. The 64 MHz core sustains 16 MIPS, enough for PID control loops at 1 kHz update rates. The extended -40C to +125C temperature rating suits oven-control boards near heating elements. Paired with an I2C EEPROM for user presets, the MCU delivers appliance-grade reliability in a compact QFN-44 footprint.
Recomendado
Automotive Body Controllers
Body-electronics modules - door locks, mirror adjusters, ambient lighting - rely on the PIC18F47K40-E/ML's 5V tolerance, 36 GPIO, and automotive-friendly PWM peripherals. The extended -40C to +125C temperature grade handles under-dash thermal stress, while the PWM/CWG combination drives LED strings for ambient lighting without external FET drivers. CAN/LIN connectivity is added via SPI-attached transceivers like the MCP2515. The QFN-44 package's small 8x8 mm footprint fits comfortably inside door-module PCBs alongside driver ICs.
Recomendado
LED Lighting Drivers
Architectural and decorative LED installations benefit from the PIC18F47K40-E/ML's 16-bit PWM and CWG peripherals, which drive high-current LED strings via external MOSFETs with smooth 16-bit dimming resolution. The 5-bit DAC generates reference voltages for constant-current LED driver ICs, while the 10-bit ADC samples feedback for closed-loop lumen regulation. XLP sleep modes reduce standby power to nanowatt levels, satisfying Energy Star and EU eco-design standby limits. The 44-pin QFN keeps the driver PCB compact inside linear strip fixtures.
Recomendado
Small Motor Control (BLDC / Stepper)
Sensorless BLDC fans and small stepper-based actuators leverage the PIC18F47K40-E/ML's 64 MHz throughput and CWG-driven complementary PWM channels. At 16 MIPS, the core executes field-oriented control loops at 20-30 kHz, more than sufficient for HVAC fans and small pump motors. The 5-bit DAC and on-chip comparators implement BEMF zero-cross detection for sensorless commutation, reducing bill-of-materials cost. The 44-pin QFN footprint eases routing of three-phase gate-drive signals to external half-bridges.
Recomendado
Industrial Sensor Transmitters
4-20 mA loop-powered and industrial sensor transmitters benefit from the PIC18F47K40-E/ML's wide 1.8-5.5 V supply, 10-bit ADC accuracy, and HLT (Hardware Limit Timer) peripheral for safety-critical shutdown. The on-chip op-amp front-end conditions bridge sensors (load cells, pressure transducers) before digitization. XLP sleep modes minimize loop-current draw in 4-20 mA designs where every microamp matters. The QFN-44 package and extended temperature rating suit harsh factory-floor environments inside sealed transducer heads.
Recomendado
HMI Touch Interfaces
Small graphical and capacitive-touch human-machine interfaces leverage the PIC18F47K40-E/ML's mTouch capacitive sensing peripherals, 36 GPIO for keypad scanning, and CWG for piezo buzzer feedback. The 64 MHz core drives segmented LCD or small TFT displays over SPI/parallel interfaces, while the 4 KB RAM holds button-debounce and gesture buffers. XLP sleep keeps battery-powered remote controls alive for years. The 44-pin QFN provides ample I/O for both display data bus and touch electrodes without external I/O expanders.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F47K40-E/ML — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F47K40-I/ML | PIC18LF47K40-I/ML | PIC18F46K40-I/ML | PIC18F47K42-I/ML | PIC18F47J53-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin QFN (8x8 mm) | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN - same | 44-pin QFN - same |
| Program Flash | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB | 128 KB |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 8 KB | 3.8 KB |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| Maximum CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 48 MHz |
| USB Peripheral | No | No | No | No | No | Yes (USB 2.0 FS OTG) |
Principais diferenciais
- Extended -40C to +125C temperature grade in the same QFN-44 footprint (vs PIC18F47K40-I/ML)
- Wider 1.8-5.5 V VDD range versus LF and J53 alternatives (vs PIC18LF47K40-I/ML, PIC18F47J53-I/ML)
- 128 KB Flash with dual-bank OTA support versus 64 KB in K40 sibling (vs PIC18F46K40-I/ML)
Notas de projeto
The QFN-44 package has an exposed thermal pad (pin 44) that MUST be soldered to a grounded copper pour with at least 4 thermal vias to the internal ground plane. Without proper pad soldering, junction-to-ambient thermal resistance rises sharply and the device may overheat at 64 MHz full-load operation. Place at least one 0.1 uF decoupling capacitor on each VDD/VDDCORE pair (pins 10/20/39), positioned within 3 mm of the respective VDD pin to minimize switching-noise coupling.
Do not float the MCLR/RE3 pin (pin 29): always pull MCLR high through a 10 kohm resistor to VDD, with a 100 nF capacitor to ground for noise filtering. Floating MCLR causes spurious resets in noisy environments. Also reserve the ICSP pins RB6/ICSPCLK (pin 17) and RB7/ICSPDAT (pin 18) so a PICKit 4 can program the final assembled board - many designers route these to peripheral functions and lose in-circuit programming access.
Estimated: at VDD=5.0 V, 64 MHz active mode, and all peripherals enabled, the PIC18F47K40-E/ML draws approximately 8-12 mA (60 mW). In sleep with XLP enabled, current drops below 50 nA typical. For battery-powered designs, plan a load switch or enable pin control so the MCU can be put into sleep mode between sensor readings; this can extend a CR2032 cell life from months to years.
Informações de conformidade
RoHS compliance confirmed per Microchip product page. The -E/ML suffix denotes the extended temperature grade (not AEC-Q100 automotive); for AEC-Q100 qualified PIC18 microcontrollers, Microchip offers the PIC18F K40 Q-series variants in dedicated automotive listings.