PIC18F47Q43-I/P - 128KB Flash 8-Bit MCU 64MHz 40-PDIP | Microchip
N.º da peça: PIC18F47Q43-I/P ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.2 | $42,00 |
| 100 | $3.75 | $375,00 |
| 500 | $3.32 | $1.660,00 |
| 1.000 | $2.95 | $2.950,00 |
PIC18F47Q43-I/P Visão geral
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile working memory (SRAM), EEPROM for data retention, and a rich set of on-chip peripherals. The PIC18F47Q43 belongs to Microchip's enhanced 8-bit PIC18 family, which fits in the hierarchy: PIC18 -> 8-bit MCU -> microcontroller -> embedded computing IC -> semiconductor. XLP™ (eXtreme Low Power) is Microchip's branding for nanoWatt technology that enables deep sleep currents down to the nanoampere range.
Key features of this device include a 12-bit ADC with Computation (ADCC) supporting capacitive touch via CVD, a 5-bit DAC, three comparators, two 10-bit PWMs and three 16-bit dual PWMs, six DMA controllers, configurable logic cells (CLCs), complementary waveform generators (CWG), zero-cross detect (ZCD), a windowed watchdog timer (WWDT), and SCAN/CRC hardware acceleration. Five UARTs (one LIN/DMX/DALI-capable), two SPI, two I2C, and a 16-bit timer complement the peripheral mix.
The PIC18-Q43 architecture separates the CPU bus from the peripheral bus, allowing DMA-driven peripheral-to-peripheral and peripheral-to-memory transfers without CPU intervention. This is well suited to real-time control loops in motor control, lighting, and power conversion where deterministic timing is required. The functional safety (FuSa) features target IEC 61508 SIL capable applications.
Typical applications for this part include industrial sensor signal conditioning, LED lighting controllers with smooth dimming, small BLDC/PMSM motor controllers, capacitive touch user interfaces, building automation nodes, and low-power IoT edge nodes. The wide peripheral set reduces external component count and BOM cost.
When designing with this MCU, allocate the 40 pins carefully: many peripherals are remappable via PPS (Peripheral Pin Select), but only a subset of pins support PPS output routing. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair, and provide an analog AVSS/AVDD pair for the ADC/DAC.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that are not found in the manufacturer datasheet, giving procurement and design engineers a single decision-ready reference.
Alternativas drop-in para PIC18F47Q43-I/P — 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 PIC18F47Q43-I/P (mesmo formato e footprint) — diferindo em Package, ADC, Comparators, Mounting Type, DAC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F47Q43-E/P
✅ Drop-In✓ Em estoque
$2.62 / unidade
Ver ficha técnica →PIC18F47Q43T-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F47Q43-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F46Q43-I/P
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.52 / unidade
Ver ficha técnica →PIC18F47Q10-I/P
✅ Drop-In✓ Em estoque
$2.58 / unidade
Ver ficha técnica →PIC18F47Q43-I/P Classificações máximas e características elétricas
| Core Architecture | PIC18 8-bit enhanced |
| Program Memory (Flash) | 128 KB |
| SRAM | 8 KB |
| EEPROM | 1 KB |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| Temperatura de operação | -40C to +85C (Industrial, -I) |
| ADC | 12-bit ADC with Computation (ADCC) |
| DAC | 5-bit DAC |
| Comparators | 3 |
| PWM Channels | 2 x 10-bit + 3 x 16-bit dual (six 16-bit outputs) |
| DMA Controllers | 6 |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Zero-Cross Detect (ZCD) | Yes |
| UART | 5 (one supports LIN/DMX/DALI) |
| SPI | 2 |
| I2C | 2 |
| Windowed Watchdog (WWDT) | Yes |
| Encapsulamento | 40-pin PDIP (DIP-40, /P) |
| Pin/Package Suffix | -I/P (industrial temp, PDIP-40) |
Configuração de pinos do PIC18F47Q43-I/P
| Pino 1 | RE3/MCLR — Master Clear (reset) input or digital input |
| Pino 2 | RA0 — Digital I/O with PPS / analog input |
| Pino 3 | RA1 — Digital I/O with PPS / analog input |
| Pino 4 | RA2 — Digital I/O with PPS / analog input |
| Pino 5 | RA3 — Digital I/O with PPS / analog input |
| Pino 6 | RA4 — Digital I/O with PPS / analog input |
| Pino 7 | RA5 — Digital I/O with PPS / analog input |
| Pino 8 | RA6 — Digital I/O with PPS / analog input |
| Pino 9 | RA7 — Digital I/O with PPS / analog input |
| Pino 10 | VSS — Ground reference |
| Pino 11 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Pino 12 | RB0 — Digital I/O with PPS / analog input |
| Pino 13 | RB1 — Digital I/O with PPS / analog input |
| Pino 14 | RB2 — Digital I/O with PPS / analog input |
| Pino 15 | RB3 — Digital I/O with PPS / analog input |
| Pino 16 | RB4 — Digital I/O with PPS / analog input |
| Pino 17 | RB5 — Digital I/O with PPS / analog input |
| Pino 18 | RB6 — Digital I/O with PPS / ICS programming clock |
| Pino 19 | RB7 — Digital I/O with PPS / ICS programming data |
| Pino 20 | VSS — Ground reference |
| Pino 21 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Pino 22 | RC0 — Digital I/O with PPS / analog input |
| Pino 23 | RC1 — Digital I/O with PPS / analog input |
| Pino 24 | RC2 — Digital I/O with PPS / analog input |
| Pino 25 | RC3 — Digital I/O with PPS / analog input |
| Pino 26 | RC4 — Digital I/O with PPS / analog input |
| Pino 27 | RC5 — Digital I/O with PPS / analog input |
| Pino 28 | RC6 — Digital I/O with PPS / analog input |
| Pino 29 | RC7 — Digital I/O with PPS / analog input |
| Pino 30 | VSS — Ground reference |
| Pino 31 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Pino 32 | RD0 — Digital I/O with PPS / analog input |
| Pino 33 | RD1 — Digital I/O with PPS / analog input |
| Pino 34 | RD2 — Digital I/O with PPS / analog input |
| Pino 35 | RD3 — Digital I/O with PPS / analog input |
| Pino 36 | RD4 — Digital I/O with PPS / analog input |
| Pino 37 | RD5 — Digital I/O with PPS / analog input |
| Pino 38 | RD6 — Digital I/O with PPS / analog input |
| Pino 39 | RD7 — Digital I/O with PPS / analog input |
| Pino 40 | AVSS — Analog ground (tie to VSS) |
Aplicações típicas
PIC18F47Q43-I/P é adequado para 6 aplicaçãos: Industrial Sensor Signal Conditioning, LED Lighting Controller with Smooth Dimming, Small BLDC / PMSM Motor Controller, Capacitive Touch User Interface, Building Automation Node, Low-Power IoT Edge Sensor Node.
Industrial Sensor Signal Conditioning
The PIC18F47Q43-I/P is a strong fit for industrial 4-20 mA loop transmitters, RTD/thermocouple front-ends, and bridge sensor digitizers because its 12-bit ADCC provides hardware averaging, oversampling, and threshold comparison that offload the CPU. With six DMA controllers and CLCs, the device can sample multiple analog channels autonomously while the CPU remains in sleep, dramatically reducing system noise and power. The 64 MHz core closes digital filter loops in microseconds and the 1.8-5.5 V VDD range lets the same MCU interface to legacy 5 V sensors as well as modern 3.3 V parts. Compared with discrete ADC plus MCU designs, this single-chip approach reduces BOM cost and PCB area while delivering IEC 61508 functional safety features for SIL-capable installations.
Recomendado
LED Lighting Controller with Smooth Dimming
For dimmable LED drivers, the PIC18F47Q43-I/P delivers three 16-bit dual PWMs (six outputs) at 64 MHz resolution, with CLCs enabling hardware-only fade and color-mix sequencing without CPU intervention. The CWG generates complementary PWMs with programmable dead-band for half-bridge LED driver stages, while ZCD synchronizes dimming to the AC mains for flicker-free phase-cut compatibility. The XLP nanoWatt sleep mode lets the controller idle at nanoampere currents between dim commands, suitable for battery-backed emergency luminaires. Compared with pure analog dimming ICs, this MCU allows custom dimming curves, DALI/LIN bus interfaces via the dedicated UART, and on-board diagnostics such as open-LED detection via the comparator peripheral.
Recomendado
Small BLDC / PMSM Motor Controller
Sensorless BLDC and PMSM motors benefit from the PIC18F47Q43-I/P's trio of 16-bit PWMs with center-aligned modes, hardware dead-band insertion via CWG, and DMA-driven ADC sampling that captures BEMF zero-cross events deterministically. The 64 MHz MIPS throughput runs field-oriented control (FOC) and trapezoidal commutation loops in software when needed. Six DMA channels move ADC results into PWM duty-cycle registers without CPU load, freeing cycles for the control algorithm. The 40-pin PDIP package is breadboard-friendly for prototype controllers up to ~200 W, and the same Q43 family scales to 28- and 48-pin variants for higher-channel-count designs.
Recomendado
Capacitive Touch User Interface
The PIC18F47Q43-I/P's 12-bit ADCC automates capacitive voltage divider (CVD) acquisition, supporting robust touch buttons, sliders, and proximity sensors without an external touch IC. Hardware averaging, oversampling, and automatic threshold comparison reduce firmware complexity and CPU wake-ups. mTouch reference designs from Microchip provide ready-made PCB patterns and firmware libraries for the Q43 family. Five UARTs and two I2C peripherals let the same MCU drive touch panels while bridging to host MCUs or wireless modules. Compared with discrete touch ICs, integrating touch into the main MCU saves $0.30-1.00 BOM in appliances, white goods, and industrial HMI panels.
Recomendado
Building Automation Node
Building automation controllers for HVAC, access control, and lighting need to bridge multiple field buses while staying on standby for years on battery or harvested energy. The PIC18F47Q43-I/P meets this with XLP sleep currents down to nanoamperes, five UARTs (one supporting LIN/DMX/DALI), and two SPI/I2C ports for sensor and radio expansion. The 128 KB Flash accommodates BACnet, Modbus, or KNX stacks alongside user application code, and the DMA controllers move sensor data to peripherals autonomously for low-jitter comms. The functional-safety (FuSa) features and wide -40C to +85C industrial range help meet IEC 61508 SIL requirements in commercial building equipment.
Recomendado
Low-Power IoT Edge Sensor Node
Battery-powered IoT edge nodes benefit from the PIC18F47Q43-I/P's XLP nanoWatt sleep, DMA-driven sensor acquisition, and CLC-based hardware wake-up timers that keep the CPU dormant for years on a single coin cell. The 12-bit ADCC digitizes temperature, humidity, and pressure sensors with hardware filtering, while the 5 UARTs and 2 SPI ports multiplex radios (LoRa, Wi-Fi, BLE modules) and sensors on a single bus. Compared with 32-bit Cortex-M0+ alternatives, the PIC18F47Q43-I/P delivers comparable active-mode throughput at lower cost and far simpler interrupt architecture, accelerating time-to-market for constrained designs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F47Q43-I/P — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F47Q43-E/P | PIC18F47Q43T-I/PT | PIC18F47Q43-I/PT | PIC18F46Q43-I/P | PIC18F47Q10-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-40 | PDIP-40 - same | TQFP-44 - different footprint | TQFP-44 - different footprint | PDIP-28 - different footprint | PDIP-40 - same |
| Flash | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| DMA Controllers | 6 | 6 | 6 | 6 | 6 | 0 (no DMA) |
| 16-bit PWM Channels | 3 dual (6 outputs) | 3 dual (6 outputs) | 3 dual (6 outputs) | 3 dual (6 outputs) | 3 dual (6 outputs) | no 16-bit PWMs (10-bit only) |
| ADC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 10-bit ADC (no computation) |
| Temperature Grade | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
Principais diferenciais
- Six DMA controllers free the CPU for control algorithms (vs PIC18F47Q10-I/P)
- 12-bit ADCC with CVD enables integrated capacitive touch (vs PIC18F47K42-I/P)
- Three 16-bit dual PWMs (six outputs) for motor and lighting control (vs PIC18F46K22-I/P)
Notas de projeto
The PIC18F47Q43-I/P has four VDD/VSS pin pairs (10/11, 20/21, 30/31 plus AVSS/AVDD on pin 40). Decouple every VDD/VSS pair with a 100 nF X7R ceramic capacitor placed within 5 mm of each pin pair. For noise-sensitive analog designs, add a 10 uF bulk capacitor near the AVSS/AVDD pair and route analog/digital grounds back to a single point at the power-entry filter. The wide 1.8-5.5 V operating range lets the part run directly from a single Li-ion cell down to 3.0 V or from a regulated 3.3 V/5 V rail.
PDIP-40 is a 600 mil wide package with 0.1 inch pin pitch, breadboard-friendly but with parasitic inductance on long PCB traces. Keep traces to MCLR and the ICSPDAT/ICSPCLK pins (RB6/RB7) shorter than 50 mm and route them away from switching power or PWM traces to avoid in-circuit programming glitches. PPS output routing is available on most pins but only a subset supports PPS input routing - consult the PPS input table in the datasheet when assigning UART/SPI/I2C signals. Leave RA6/RA7 unused or assign them to low-frequency peripherals to avoid contention with the 32 kHz crystal oscillator.
The -I suffix means industrial -40C to +85C; for outdoor or automotive applications choose the -E (extended -40C to +125C) variant. Do not assume the Q43 silicon is backward-compatible with the older K42 firmware - register maps for DMA, CLC, and ADCC differ significantly and firmware ports must update the configuration bits. Do not omit the 1 kohm pull-up on MCLR if you want the part to start reliably; floating MCLR causes intermittent reset events. Finally, the WWDT must be enabled in software (FWDT) - it is not enabled by default and SIL-capable designs require it.
Informações de conformidade
RoHS/REACH compliance per Microchip product page; AEC-Q100 not qualified for automotive - choose automotive-grade variants for that requirement. Halogen-free status not explicitly listed in provided data.
