PIC18F45Q10-I/PT - 32KB Flash 8-bit MCU, 64MHz, 44-TQFP
N.º da peça: PIC18F45Q10-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.18 | $2,18 |
| 10 | $1.97 | $19,70 |
| 100 | $1.71 | $171,00 |
| 500 | $1.52 | $760,00 |
| 1.000 | $1.39 | $1.390,00 |
PIC18F45Q10-I/PT Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. Within the broader taxonomy, the PIC18F45Q10 sits in the 8-bit microcontroller category, which itself belongs to the embedded microcontroller / system-on-chip / semiconductor device hierarchy. The 8-bit PIC architecture offers deterministic instruction execution, single-cycle hardware multiply, and a C-optimized instruction set, which simplifies real-time control firmware while keeping BOM cost low.
Key features of the PIC18F45Q10 include integrated intelligent analog with a 10-bit ADC (up to 35 channels), a 5-bit/10-bit DAC, configurable logic cells (CLCs), complementary waveform generators (CWG), high-resolution PWM with fine-edge placement, hardware limit timer (HLT), windowed watchdog timer (WWDT), and a CRC/SCAN module for functional safety diagnostics. Operating voltage spans 2.3 V to 5.5 V with 5 V tolerant digital I/O, supporting noisy industrial 24 V / 5 V regulated rails and direct interface to 5 V sensors.
The device architecture uses a Harvard RISC core with separate program and data buses, hardware multiplier, and 31-level priority interrupt controller. The combination of CIPs (Core Independent Peripherals) and CLCs allows event-driven logic without CPU intervention, enabling predictable real-time response with reduced firmware complexity.
Typical applications include industrial sensor interfaces, brushless DC fan or pump controllers, automotive body and sensor nodes, touch-sensing user interfaces, IoT edge nodes, and consumer appliances. The PIC18F45Q10 is also a strong fit where functional safety (IEC 60730 class B) is required in home appliances and white goods.
When designing with this device, place a 100 nF decoupling capacitor close to each VDD/VSS pair and use the internal voltage regulator with a bulk capacitor on VDD/VBAT to meet inrush requirements. For low-noise analog, group ADC-capable pins on a quiet ground plane and avoid routing switching signals underneath. XLP sleep currents below 50 nA (typical) enable battery-backed sensor nodes that wake on interrupt.
This page synthesizes distributor pricing, drop-in 44-TQFP alternatives, and practical design notes not found in the manufacturer datasheet. For drop-in substitution in the same 44-TQFP footprint, see the alternatives section.
Alternativas drop-in para PIC18F45Q10-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 PIC18F45Q10-I/PT (mesmo formato e footprint) — diferindo em ADC, Core Architecture, Package, Operating Temperature, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F46Q10-I/PT
✅ Drop-In✓ Em estoque
$1.55 / unidade
Ver ficha técnica →PIC18F45Q10-E/PT
✅ Drop-In✓ Em estoque
$1.55 / unidade
Ver ficha técnica →PIC18F45Q10-I/PTVAO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33EV64GM106-I/PT
✅ Drop-In✓ Em estoque
$3.3 / unidade
Ver ficha técnica →PIC18F4685T-I/PT
✅ Drop-In✓ Em estoque
$6.89 / unidade
Ver ficha técnica →PIC32MX340F512H-80I/MR
✅ Drop-In✓ Em estoque
$6.55 / unidade
Ver ficha técnica →PIC18F45Q10-I/PT Classificações máximas e características elétricas
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC18 XLP® 18Q Functional Safety (FuSa) |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data Memory (SRAM) | 2 KB (2304 bytes) |
| Data EEPROM | 256 bytes |
| CPU Speed | 64 MHz |
| CPU Core | 8-bit PIC18 Harvard RISC |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| ADC | 10-bit, up to 35 channels |
| DAC | 5-bit / 10-bit |
| Temperatura de operação | -40C to +85C (Industrial) |
| Encapsulamento | 44-pin TQFP (10x10 mm) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| AEC-Q100 | Not automotive qualified (industrial grade) |
| Special Features | XLP low-power, CLCs, CWG, HLT, WWDT, CRC/SCAN |
Configuração de pinos do PIC18F45Q10-I/PT
| Pino 1 | RA0/AN0 — Bidirectional I/O / Analog input channel 0 |
| Pino 2 | RA1/AN1 — Bidirectional I/O / Analog input channel 1 |
| Pino 3 | RA2 — Bidirectional I/O |
| Pino 4 | RA3 — Bidirectional I/O |
| Pino 5 | RA4 — Bidirectional I/O |
| Pino 6 | RA5 — Bidirectional I/O |
| Pino 7 | RA6/OSC1 — Bidirectional I/O / Oscillator crystal input |
| Pino 8 | RA7/OSC2 — Bidirectional I/O / Oscillator crystal output |
| Pino 9 | RE0 — Bidirectional I/O (Port E) |
| Pino 10 | RE1 — Bidirectional I/O (Port E) |
| Pino 11 | RE2 — Bidirectional I/O (Port E) |
| Pino 12 | VDD — Positive supply voltage |
| Pino 13 | VSS — Ground reference |
| Pino 14 | RB0 — Bidirectional I/O (Port B) |
| Pino 15 | RB1 — Bidirectional I/O (Port B) |
| Pino 16 | RB2 — Bidirectional I/O (Port B) |
| Pino 17 | RB3 — Bidirectional I/O (Port B) |
| Pino 18 | RB4 — Bidirectional I/O (Port B) |
| Pino 19 | RB5 — Bidirectional I/O (Port B) |
| Pino 20 | RB6 — Bidirectional I/O / Programming clock |
| Pino 21 | RB7 — Bidirectional I/O / Programming data |
| Pino 22 | RC0 — Bidirectional I/O (Port C) |
| Pino 23 | RC1 — Bidirectional I/O (Port C) |
| Pino 24 | RC2 — Bidirectional I/O (Port C) |
| Pino 25 | RC3 — Bidirectional I/O (Port C) |
| Pino 26 | RC4 — Bidirectional I/O (Port C) |
| Pino 27 | RC5 — Bidirectional I/O (Port C) |
| Pino 28 | RC6 — Bidirectional I/O (Port C) |
| Pino 29 | RC7 — Bidirectional I/O (Port C) |
| Pino 30 | RD0 — Bidirectional I/O (Port D) |
| Pino 31 | RD1 — Bidirectional I/O (Port D) |
| Pino 32 | RD2 — Bidirectional I/O (Port D) |
| Pino 33 | RD3 — Bidirectional I/O (Port D) |
| Pino 34 | RD4 — Bidirectional I/O (Port D) |
| Pino 35 | RD5 — Bidirectional I/O (Port D) |
| Pino 36 | RD6 — Bidirectional I/O (Port D) |
| Pino 37 | RD7 — Bidirectional I/O (Port D) |
| Pino 38 | RE3 — Bidirectional I/O (Port E, MCLR alternative) |
| Pino 39 | RF0 — Bidirectional I/O (Port F) |
| Pino 40 | RF1 — Bidirectional I/O (Port F) |
| Pino 41 | RF2 — Bidirectional I/O (Port F) |
| Pino 42 | RF3 — Bidirectional I/O (Port F) |
| Pino 43 | RF4 — Bidirectional I/O (Port F) |
| Pino 44 | RF5 — Bidirectional I/O (Port F) |
Aplicações típicas
PIC18F45Q10-I/PT é adequado para 6 aplicaçãos: Industrial Sensor Nodes, Brushless DC Fan / Pump Controllers, Home Appliance / Functional Safety (IEC 60730 class B), Automotive Body & Sensor Nodes, Touch Sensing User Interfaces, IoT Edge Sensor Nodes.
Industrial Sensor Nodes
The PIC18F45Q10-I/PT fits industrial sensor nodes via its 5 V tolerant digital I/O, 2.3 V to 5.5 V operating range, and CIPs that handle encoder/timer events without CPU intervention. Its 10-bit ADC with up to 35 channels supports multi-sensor acquisition (temperature, pressure, flow) on a single MCU. The CLCs and configurable peripherals enable event-driven logic for deterministic response, while XLP sleep currents below 50 nA (typical) extend battery life in remote sensors. Place between a 24 V industrial bus regulator and sensor front-ends with 100 nF decoupling on each VDD/VSS pair.
Recomendado
Brushless DC Fan / Pump Controllers
The PIC18F45Q10-I/PT suits BLDC motor control with its complementary waveform generator (CWG), high-resolution PWM with fine-edge placement, and hardware limit timer (HLT). Its 64 MHz CPU provides the throughput for field-oriented control algorithms, while CIPs handle commutation timing without software latency. Operating from 2.3 V to 5.5 V, it interfaces directly with 5 V gate drivers. 32 KB of Flash supports closed-loop speed control firmware with EEPROM storage for calibration constants.
Recomendado
Home Appliance / Functional Safety (IEC 60730 class B)
The PIC18F45Q10-I/PT targets IEC 60730 class B functional-safety home appliances (washing machines, dishwashers, ovens) with its hardware windowed watchdog timer (WWDT), CRC/SCAN memory diagnostics, and redundant oscillator fail-safe. According to Microchip product positioning, the Q10 family is pre-certified for class B software libraries, reducing development time. Its industrial temperature grade (-40C to +85C) and 5 V tolerance handle appliance environments. Place a 100 nF decoupling cap on each VDD/VSS pair and follow Microchip class B library guidelines.
Recomendado
Automotive Body & Sensor Nodes
The PIC18F45Q10-I/PT serves automotive body controllers and sensor nodes with its 5 V noise tolerance and CIP-driven deterministic response. Its CLCs handle LIN-bus timing and PWM-driven lighting without CPU intervention, freeing the 64 MHz core for higher-level logic. For non-automotive variants the temperature range is industrial (-40C to +85C); choose PIC18F45Q10-I/PTVAO or AEC-Q100 qualified parts for full automotive deployment. Operating from 2.3 V to 5.5 V supports direct connection to 5 V automotive rails.
Recomendado
Touch Sensing User Interfaces
The PIC18F45Q10-I/PT supports capacitive touch sensing via Microchip's mTouch framework, using its 10-bit ADC and CTMU (Charge Time Measurement Unit) for proximity and button sensing. The 35 ADC channels enable matrix-keypad or slider implementations on a single MCU. XLP sleep currents below 50 nA (typical) keep battery-powered touch interfaces idle-friendly. The 32 KB Flash accommodates mTouch libraries plus application firmware. Decouple VDD/VSS with 100 nF caps and route touch electrodes on a quiet ground plane.
Recomendado
IoT Edge Sensor Nodes
The PIC18F45Q10-I/PT fits battery-backed IoT edge nodes with XLP sleep currents under 50 nA (typical) and 64 MHz wake-up performance. Its 32 KB Flash supports over-the-air update bootloaders, while 2 KB SRAM buffers sensor data before transmission. The 5 V tolerant I/O connects to legacy industrial sensors without level shifters. CIPs handle wake-on-interrupt timing without CPU intervention, extending battery life in remote deployments. Use a 100 nF decoupling cap on each VDD/VSS pair and place the MCU in sleep between transmissions.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F45Q10-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F46Q10-I/PT | PIC18F45Q10-E/PT | DSPIC33EV64GM106-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same |
| CPU Core | 8-bit PIC18 | 8-bit PIC18 | 8-bit PIC18 | 16-bit dsPIC33 DSC |
| Flash Memory | 32 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 4 KB |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 0 bytes |
| CPU Speed | 64 MHz | 64 MHz | 64 MHz | 70 MIPS |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 3.0 V to 3.6 V |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
Principais diferenciais
- Integrated Core Independent Peripherals (CIPs) offload CPU (vs PIC18F4685T-I/PT)
- Lower voltage operation extends battery life (vs DSPIC33EV64GM106-I/PT)
- 32 KB Flash with IEC 60730 class B safety library support (vs PIC18F27K40-I/SS)
Notas de projeto
Place a 100 nF decoupling capacitor close to each VDD/VSS pin pair (pins 11/12 and pins 27/28 on the 44-TQFP package) to suppress switching transients. Use a bulk capacitor (4.7 uF to 10 uF) on the main VDD rail to meet inrush requirements during XLP sleep-to-active wake events. The internal voltage regulator requires a 1 uF bypass on the VDDCORE pin for stable operation across the 2.3 V to 5.5 V input range.
Estimated: at maximum CPU activity (64 MHz, all peripherals active, 5.5 V supply), the PIC18F45Q10-I/PT core current is approximately 12 mA, resulting in 66 mW dissipation. The 44-TQFP package has a theta_JA of approximately 50 C/W, yielding a junction temperature rise of 3.3 C above ambient at room temperature. No external heatsink is required for normal operation. In high-temperature environments exceeding 70 C ambient, verify thermal margins using the device power calculation tool.
Route analog signals (ADC inputs, DAC outputs) on a quiet ground plane separated from switching digital traces. Keep ADC reference voltage traces short and bypass AVSS/AVDD pairs independently. For 44-TQFP layouts, provide a 4-layer PCB with continuous ground pour beneath the IC for thermal spreading and EMI reduction. Avoid routing high-frequency switching signals (PWM, oscillator) directly under the MCU package.
Do not exceed 5.5 V on any I/O pin even though the device is 5 V tolerant; voltage transients above 5.5 V require external TVS protection. The CRC/SCAN module must be configured during initialization for IEC 60730 class B compliance; leaving it disabled voids functional safety claims. The WWDT must be enabled in windowed mode to prevent fault-induced firmware lockups. Always verify the configuration bits match the application voltage and oscillator mode before code commit.
Informações de conformidade
Industrial temperature grade (-40C to +85C) only. For AEC-Q100 automotive qualification, use PIC18F45Q10-I/PTVAO variant. RoHS and REACH compliant per Microchip product documentation.