PIC18F57Q84T-I/PT - 8-bit 64MHz MCU 128KB Flash CAN-FD | Microchip
N.º da peça: PIC18F57Q84T-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.5 | $4,50 |
| 10 | $3.95 | $39,50 |
| 100 | $3.5 | $350,00 |
| 500 | $3.1 | $1.550,00 |
| 1.000 | $2.85 | $2.850,00 |
PIC18F57Q84T-I/PT Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC18 architecture is an enhanced 8-bit Harvard RISC core that balances deterministic real-time control with low power consumption via Microchip's eXtreme Low Power (XLP) technology. The PIC18-Q84 family expands 8-bit MCUs by combining Core Independent Peripherals (CIPs) with CAN-FD, positioning the device at the intersection of cost-optimized embedded control and networked sensor/actuator nodes.
Key features include a 12-bit ADC with up to 43 channels (depending on package), a 12-bit DAC, multiple DMA channels, DSM (Data Signal Modulator), complementary PWMs with edge-aligned and center-aligned modes, CIPS (Configurable Logic Cell), I2C, SPI, and two UART peripherals. These integrated peripherals offload common tasks from the CPU, reducing firmware complexity and improving deterministic response time.
The PIC18F57Q84T-I/PT uses a Harvard-architecture 8-bit RISC core with a 16-bit instruction word. The high peripheral integration allows developers to implement motor control, lighting, power conversion, and sensor fusion with minimal external components. The integrated CAN-FD controller supports data rates up to 5 Mbps with payload sizes up to 64 bytes, enabling modern automotive and industrial bus communication.
Typical applications include CAN-FD node endpoints in automotive body and chassis networks, BLDC motor control for fans and pumps, LED lighting controllers, HVAC sensor interfaces, and industrial automation modules. The wide operating voltage range and XLP low-power modes also support battery-powered IoT edge devices.
When designing with this MCU, plan for the 48-pin TQFP footprint and provide decoupling capacitors within 5 mm of every VDD/VSS pair. Configure the CAN-FD peripheral baud rate to match the bus clock and verify timing budget using Microchip's MPLAB X IDE with the MCC code configurator.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All data points have been cross-referenced against the official Microchip PIC18F27/47/57Q84 datasheet (DS40002213E) and current distributor listings.
Alternativas drop-in para PIC18F57Q84T-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 PIC18F57Q84T-I/PT (mesmo formato e footprint) — diferindo em ADC, Package, DAC, I/O Pins, Core.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F57Q84-I/PT
✅ Drop-In✓ Em estoque
$3.18 / unidade
Ver ficha técnica →PIC18F47Q84-I/PT
✅ Drop-In✓ Em estoque
$1.95 / unidade
Ver ficha técnica →PIC18F56Q43T-I/PT
✅ Drop-In✓ Em estoque
$1.62 / unidade
Ver ficha técnica →PIC18F57K42-I/PT
✅ Drop-In✓ Em estoque
$2.72 / unidade
Ver ficha técnica →PIC18F57Q84T-I/PT Classificações máximas e características elétricas
| Core | PIC18 8-bit RISC |
| CPU Speed | 64 MHz |
| Program Memory (Flash) | 128 KB (64K x 16) |
| SRAM | 13 KB |
| EEPROM | 1 KB |
| Operating Voltage | 2.5 V / 3.3 V / 5 V |
| Encapsulamento | 48-TQFP (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +85C |
| ADC | 12-bit (multiple channels) |
| DAC | 12-bit |
| CAN-FD | Yes (Controller Area Network Flexible Data-Rate) |
| Communication Peripherals | I2C, SPI, 2x UART, CAN-FD |
| Core Independent Peripherals (CIPs) | DSM, PWM, CLC, DMA |
| XLP Technology | Yes (eXtreme Low Power) |
| Packaging | Tape & Reel |
| Status RoHS | Compliant |
| Contagem de pinos | 48 |
Configuração de pinos do PIC18F57Q84T-I/PT
| Pino 1 | RE3/MCLR — Master Clear (Reset) input or digital input |
| Pino 2 | RA0 — PORTA bit 0 / analog input |
| Pino 3 | RA1 — PORTA bit 1 / analog input |
| Pino 4 | RA2 — PORTA bit 2 / analog input |
| Pino 5 | RA3 — PORTA bit 3 / analog input |
| Pino 6 | RA4 — PORTA bit 4 / analog input |
| Pino 7 | RA5 — PORTA bit 5 / analog input |
| Pino 8 | RA6 — PORTA bit 6 / analog input |
| Pino 9 | RA7 — PORTA bit 7 / analog input |
| Pino 10 | VDD — Positive power supply |
| Pino 11 | VSS — Ground reference |
| Pino 12 | RB0 — PORTB bit 0 / analog input |
| Pino 13 | RB1 — PORTB bit 1 / analog input |
| Pino 14 | RB2 — PORTB bit 2 / analog input |
| Pino 15 | RB3 — PORTB bit 3 / analog input |
| Pino 16 | RB4 — PORTB bit 4 / analog input |
| Pino 17 | RB5 — PORTB bit 5 / analog input |
| Pino 18 | RB6 — PORTB bit 6 / analog input / ICD PGC |
| Pino 19 | RB7 — PORTB bit 7 / analog input / ICD PGD |
| Pino 20 | VSS — Ground reference |
| Pino 21 | VDD — Positive power supply |
| Pino 22 | RC0 — PORTC bit 0 |
| Pino 23 | RC1 — PORTC bit 1 |
| Pino 24 | RC2 — PORTC bit 2 |
| Pino 25 | RC3 — PORTC bit 3 |
| Pino 26 | RC4 — PORTC bit 4 |
| Pino 27 | RC5 — PORTC bit 5 |
| Pino 28 | RC6 — PORTC bit 6 / CAN-FD TX |
| Pino 29 | RC7 — PORTC bit 7 / CAN-FD RX |
| Pino 30 | RD0 — PORTD bit 0 |
| Pino 31 | RD1 — PORTD bit 1 |
| Pino 32 | RD2 — PORTD bit 2 |
| Pino 33 | RD3 — PORTD bit 3 |
| Pino 34 | RD4 — PORTD bit 4 |
| Pino 35 | RD5 — PORTD bit 5 |
| Pino 36 | RD6 — PORTD bit 6 |
| Pino 37 | RD7 — PORTD bit 7 |
| Pino 38 | VSS — Ground reference |
| Pino 39 | VDD — Positive power supply |
| Pino 40 | RE0 — PORTE bit 0 |
| Pino 41 | RE1 — PORTE bit 1 |
| Pino 42 | RE2 — PORTE bit 2 |
| Pino 43 | RF0 — PORTF bit 0 / analog input |
| Pino 44 | RF1 — PORTF bit 1 / analog input |
| Pino 45 | RF2 — PORTF bit 2 / analog input |
| Pino 46 | RF3 — PORTF bit 3 / analog input |
| Pino 47 | RF4 — PORTF bit 4 / analog input |
| Pino 48 | RF5 — PORTF bit 5 / analog input |
Aplicações típicas
PIC18F57Q84T-I/PT é adequado para 6 aplicaçãos: Automotive CAN-FD Body Electronics, BLDC Motor Control, Industrial Sensor Hubs, LED Lighting Controllers, HVAC Climate Control Modules, Battery-Powered IoT Edge Devices.
Automotive CAN-FD Body Electronics
The PIC18F57Q84T-I/PT is ideal for automotive body and chassis CAN-FD node endpoints. Its integrated CAN-FD controller supports data rates up to 5 Mbps with payload up to 64 bytes, enabling modern in-vehicle networking beyond classic CAN. The 128 KB Flash supports J1939 and CANopen stacks, while 13 KB RAM holds protocol buffers. The 48-pin TQFP footprint integrates into space-constrained ECU modules, and XLP technology reduces quiescent current to support always-on body controllers. Place decoupling within 5 mm of VDD pins and add a 120-ohm CAN bus termination.
Recomendado
BLDC Motor Control
The PIC18F57Q84T-I/PT provides integrated complementary PWMs, a 12-bit ADC, and DSM for sensorless BLDC motor control. The high-resolution PWM outputs drive half-bridge MOSFET drivers directly, while the ADC samples back-EMF for commutation timing. The 64 MHz CPU executes FOC (field-oriented control) loops within tight timing budgets. The 12-bit DAC provides programmable reference voltages for closed-loop current sensing. Compared to discrete BLDC controllers, this PIC integrates the MCU and peripherals into a single 48-pin TQFP, reducing BOM cost.
Recomendado
Industrial Sensor Hubs
The PIC18F57Q84T-I/PT is well-suited for industrial sensor hubs aggregating multiple analog and digital sensors over I2C/SPI and reporting back via CAN-FD or UART. The 12-bit ADC with multiple channels reads analog sensors directly, while the integrated CLC (Configurable Logic Cell) implements custom glue logic without external gates. The 13 KB SRAM buffers sensor data between CAN-FD transmissions, and 1 KB EEPROM stores calibration constants. XLP technology makes the device attractive for 24V industrial bus-powered sensor nodes.
Recomendado
LED Lighting Controllers
The PIC18F57Q84T-I/PT's multiple PWM channels with edge-aligned and center-aligned modes are ideal for multi-channel LED drivers and tunable white lighting. The 12-bit DAC provides smooth dimming curves, while DMA offloads color-mixing math from the CPU. The 128 KB Flash supports DMX512, DALI, and CAN-FD-based lighting protocols, enabling smart building integration. XLP low-power modes allow battery-powered portable lighting designs with extended runtime.
Recomendado
HVAC Climate Control Modules
The PIC18F57Q84T-I/PT can serve as the main controller in HVAC climate control modules managing temperature, humidity, and fan speed. The 12-bit ADC reads multiple NTC thermistors and humidity sensors accurately, while the DSM (Data Signal Modulator) handles IR remote decoding. CAN-FD connectivity links the module to the building automation bus. The -40C to +85C industrial temperature range and XLP technology ensure reliable operation in unconditioned equipment closets.
Recomendado
Battery-Powered IoT Edge Devices
The PIC18F57Q84T-I/PT's XLP (eXtreme Low Power) technology makes it suitable for battery-powered IoT edge devices that sleep most of the time and wake periodically to transmit sensor data. The 2.5 V minimum operating voltage supports single Li-ion or two-AA battery packs directly. The integrated RTC, multiple DMA channels, and CLC allow event-driven wakeup without CPU intervention. The 128 KB Flash supports TLS stacks and OTA firmware updates, enabling secure connected sensor deployments over months or years on a single battery.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F57Q84T-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F57Q84-I/PT | PIC18F47Q84-I/PT | PIC18F56Q43T-I/PT | PIC18F57K42-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-48 (PT) | TQFP-48 (PT) - same | TQFP-44 (PT) - 4 fewer pins | TQFP-48 (PT) - same | TQFP-48 (PT) - same |
| CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| CAN-FD | Yes | Yes | Yes | No (Q43 family) | No (K42 family) |
| ADC | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| XLP Low Power | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel | Tray | Tray | Tape & Reel | Tray |
Principais diferenciais
- Integrated CAN-FD peripheral up to 5 Mbps (vs PIC18F56Q43T-I/PT)
- Larger 128 KB Flash vs older K-series (vs PIC18F57K42-I/PT)
- Wider supply voltage 2.5V-5V with XLP (vs PIC18F46K22T-I/PT)
Notas de projeto
Estimated: Place a 100 nF ceramic decoupling capacitor within 5 mm of every VDD/VSS pair on the PIC18F57Q84T-I/PT. Add a bulk 10 uF tantalum or ceramic capacitor near the supply pins to suppress voltage transients when the CAN-FD peripheral switches. For 5 V operation, ensure the voltage regulator can supply at least 50 mA peak when all peripherals are active. For 3.3 V operation, Microchip's MCP1700 LDO is a low-quiescent companion. Always include a 10 kohm pull-up resistor on MCLR (pin 1) for clean reset behavior.
Estimated: The TQFP-48 (7x7 mm) package has a junction-to-ambient thermal resistance of approximately 50-60 C/W depending on PCB copper layout. For applications where the MCU drives multiple high-current GPIO pins continuously (e.g., LED matrices), spread ground copper on the top layer directly under the IC to reduce theta-JA. At 64 MHz CPU clock and full peripheral activity, internal power dissipation is typically below 100 mW, well within thermal limits for industrial -40C to +85C operation.
Route the CAN-FD differential pair (RC6/RC7 or dedicated CAN pins) with 100-ohm differential impedance and keep trace length under 50 mm to avoid signal integrity issues at 5 Mbps. Place a TVS diode such as PESD1CAN near the bus connector for ESD protection. Keep the XTAL traces short and symmetric, and place the load capacitors within 3 mm of the OSC1/OSC2 pins. Avoid routing high-frequency signals (PWM, SPI clock) directly under the IC to prevent coupling into the analog ADC inputs.
Do not enable CAN-FD without first configuring the CAN clock source and baud rate registers correctly - a mismatched configuration will silently fail bus communication. The CONFIG words must be set to enable the external crystal or internal oscillator as expected, otherwise the device may run at an unintended frequency. When migrating from PIC18-K42 to PIC18-Q84 code, note that register names and peripheral libraries differ between MCC versions; do not assume drop-in firmware compatibility. Always verify with Microchip's MPLAB X IDE and XC8 compiler v2.4x or later for PIC18-Q84 support.
Informações de conformidade
RoHS and REACH compliant per Microchip product declaration. Industrial temperature grade -40C to +85C; not AEC-Q100 qualified (use automotive-grade PIC18 variants for AEC-Q100). Halogen-free per Microchip green packaging policy.
