PIC18F46Q10-I/PT - 64KB Flash 8-bit MCU | Microchip | TQFP-44
MPN: PIC18F46Q10-I/PT ✓ Hoạt độngPIC18F46Q10-I/PT Tóm tắt
A PIC18 microcontroller is a member of Microchip's enhanced 8-bit RISC architecture family, positioned within the broader microcontroller -> embedded controller -> semiconductor hierarchy. PIC18 devices extend the baseline PIC16 instruction set with hardware multiply, larger linear addressing windows, and C-optimized compiler support from MPLAB XC8. The Q10 sub-family specifically adds eXtreme Low Power (XLP) modes, integrated op-amps/comparators, and peripherals oriented toward closed-loop real-time control and sensor-node designs, distinguishing it from older PIC18F K-series parts that prioritize raw throughput.
Key differentiating features include Core Independent Peripherals (CIPs) such as the 16-bit PWM with complementary outputs and dead-band control, the CWG (Complementary Waveform Generator), and the Numerically Controlled Oscillator (NCO). Functional Safety (FuSa) support includes a Windowed Watchdog Timer, CRC/Scan module for memory integrity, and a Hardware Limit Timer (HLT) for actuator protection - features that simplify IEC 61508 / SIL-2 design paths for industrial sensors and motor-control front-ends.
Typical applications include industrial sensor nodes, HVAC actuator control, low-power IoT edge devices, automotive body and lighting modules, white goods motor control, and consumer touch-sensing front panels. The 5V native I/O tolerance increases noise immunity in factory-floor environments where 3.3V-only MCUs are marginal.
When designing with this device, ensure the configuration bits are locked via the Configuration Word register before any Flash programming. For low-power IoT use cases, enable the nanoWatt XLP Sleep mode with RTC wake - this typically draws less than 50 nA. Use the ADC2 with hardware averaging and threshold compare to offload CPU cycles in sensor-fusion loops.
This page synthesizes distributor pricing, drop-in PIC18 alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering teams with consolidated selection and procurement guidance.
Bộ thay thế dễ dàng lắp đặt cho PIC18F46Q10-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18F46Q10-I/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, Program Memory (Flash), DAC, Core Architecture.
PIC18F45Q10-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F46Q10-I/PTVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F46K22-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F45K22-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F46K40-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF15386-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F46Q10-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC18 enhanced RISC |
| Program Memory (Flash) | 64 KB |
| SRAM | 3,728 bytes (3728 B) |
| EEPROM | 1,024 bytes (1024 B) |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit ADC2 (with Computation) |
| DAC | 5-bit and 10-bit DAC |
| Hộp | 44-pin TQFP (10x10 mm) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Family | PIC XLP 18Q, Functional Safety (FuSa) |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 |
Cấu hình chân PIC18F46Q10-I/PT
| Chân 1 | RA2 — Port A bit 2 / analog input |
| Chân 2 | RA3 — Port A bit 3 / analog input |
| Chân 3 | RA4 — Port A bit 4 / analog input |
| Chân 4 | RA5 — Port A bit 5 / analog input |
| Chân 5 | RA6 — Port A bit 6 / analog input |
| Chân 6 | RA7 — Port A bit 7 / analog input |
| Chân 7 | VSS — Ground reference |
| Chân 8 | VDD — Positive supply voltage |
| Chân 9 | OSC1 — Crystal oscillator input |
| Chân 10 | OSC2 — Crystal oscillator output |
| Chân 11 | RC0 — Port C bit 0 |
| Chân 12 | RC1 — Port C bit 1 |
| Chân 13 | RC2 — Port C bit 2 |
| Chân 14 | RC3 — Port C bit 3 |
| Chân 15 | RC4 — Port C bit 4 |
| Chân 16 | RC5 — Port C bit 5 |
| Chân 17 | RC6 — Port C bit 6 |
| Chân 18 | RC7 — Port C bit 7 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage |
| Chân 21 | RB0 — Port B bit 0 |
| Chân 22 | RB1 — Port B bit 1 |
| Chân 23 | RB2 — Port B bit 2 |
| Chân 24 | RB3 — Port B bit 3 |
| Chân 25 | RB4 — Port B bit 4 |
| Chân 26 | RB5 — Port B bit 5 |
| Chân 27 | RB6 — Port B bit 6 / ICSP PGC |
| Chân 28 | RB7 — Port B bit 7 / ICSP PGD |
| Chân 29 | MCLR — Master clear reset input |
| Chân 30 | RE3 — Port E bit 3 |
| Chân 31 | RD0 — Port D bit 0 |
| Chân 32 | RD1 — Port D bit 1 |
| Chân 33 | RD2 — Port D bit 2 |
| Chân 34 | RD3 — Port D bit 3 |
| Chân 35 | RD4 — Port D bit 4 |
| Chân 36 | RD5 — Port D bit 5 |
| Chân 37 | RD6 — Port D bit 6 |
| Chân 38 | RD7 — Port D bit 7 |
| Chân 39 | VSS — Ground reference |
| Chân 40 | VDD — Positive supply voltage |
| Chân 41 | RE0 — Port E bit 0 |
| Chân 42 | RE1 — Port E bit 1 |
| Chân 43 | RE2 — Port E bit 2 |
| Chân 44 | AVSS — Analog ground |
Ứng dụng tiêu biểu
PIC18F46Q10-I/PT phù hợp cho 7 Áp dụngs: Industrial Sensor Nodes, HVAC Actuator Control, Low-Power IoT Edge Devices, Automotive Body and Lighting Modules, White Goods Motor Control, Consumer Touch-Sensing Front Panels, Portable Medical Monitoring.
Industrial Sensor Nodes
The PIC18F46Q10-I/PT is engineered for industrial sensor nodes that require robust 5V noise immunity and integrated Functional Safety peripherals. Its 64 KB Flash accommodates MODBUS/RTU and IO-Link protocol stacks plus application firmware, while the 10-bit ADC2 with Computation performs threshold-based scanning without CPU intervention. The Windowed WDT and CRC/Scan module support IEC 61508 SIL-2 design paths, and the nanoWatt XLP Sleep mode (under 50 nA) enables battery-backed wireless sensor deployments with multi-year coin-cell lifetimes.
Được đề xuất
HVAC Actuator Control
HVAC damper and valve actuators benefit from the PIC18F46Q10-I/PT's Complementary Waveform Generator (CWG) and 16-bit PWM with dead-band control, which directly drive H-bridge FET stages for three-phase brushless DC or stepper motors. The Hardware Limit Timer (HLT) provides hardware-enforced actuator travel limits independent of firmware, increasing SIL-2 safety margins. With 5V I/O tolerance, the MCU interfaces directly to industrial 24V-referenced feedback signals through resistive dividers, simplifying the analog front end in damper position feedback loops.
Được đề xuất
Low-Power IoT Edge Devices
Battery-powered IoT edge nodes leverage the PIC18F46Q10-I/PT's eXtreme Low Power XLP Sleep modes drawing under 50 nA with RTC retention, enabling multi-year lifetimes on a single CR2032 coin cell. The 64 KB Flash comfortably hosts BLE/Zigbee protocol stacks plus sensor-fusion firmware. Core Independent Peripherals like the NCO and CWG run autonomously in Sleep, waking the CPU only on threshold events from the ADC2 with Computation, dramatically reducing average power consumption in event-driven sensing.
Được đề xuất
Automotive Body and Lighting Modules
The PIC18F46Q10-I/PT, including the VAO (Vehicle AEC-Q100 Optional) screened variant, supports automotive body controllers and lighting modules. Its 5V I/O tolerance interfaces with legacy 12V automotive sensors through simple resistor dividers, and the 64 MHz CPU clock executes LIN stack plus lighting fade algorithms in real time. The CWG drives LED strings with hardware PWM dimming while the Windowed WDT prevents runaway firmware in the harsh automotive electrical environment with load-dump transients up to 40V.
Được đề xuất
White Goods Motor Control
Washing machines, dishwashers, and refrigerators use the PIC18F46Q10-I/PT as the main motor and user-interface controller. The 16-bit PWM with complementary outputs drives inverter-stage IGBTs for BLDC compressor motors, while the ADC2 samples motor current for sensorless FOC algorithms. Hardware Limit Timer provides independent over-current protection, and the 64 KB Flash supports multiple motor control profiles and OEM diagnostic routines in a single firmware image, reducing SKU complexity for appliance manufacturers.
Được đề xuất
Consumer Touch-Sensing Front Panels
Consumer products with capacitive touch panels benefit from the PIC18F46Q10-I/PT's integrated MTCH (mTouch) capacitive sensing module, which provides hardware-driven proximity and touch detection without CPU overhead. The 64 KB Flash hosts USB device stacks for touch-panel data reporting, while the CWG drives haptic feedback actuators. nanoWatt XLP Sleep modes maintain touch wake-up at under 1 microamp average, enabling battery-powered remote controls and portable touch interfaces with year-long battery life.
Được đề xuất
Portable Medical Monitoring
Battery-powered patient monitors and pulse oximeters use the PIC18F46Q10-I/PT for its low-power Sleep modes with RTC retention and 10-bit ADC2 with averaging for vital-sign signal conditioning. The 64 KB Flash supports FDA 510(k) firmware with secure boot via CRC/Scan integrity checks. The 5V-tolerant I/O interfaces directly to legacy medical sensors, and the eXtreme Low Power modes enable continuous overnight SpO2 monitoring on rechargeable Li-ion cells without operator intervention.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F46Q10-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18F45Q10-I/PT | PIC18F46Q10-I/PTVAO | PIC18F46K22-I/PT | PIC18F45K22-I/PT | PIC18F46K40-I/PT | PIC16LF15386-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same |
| Flash Memory | 64 KB | 32 KB (-50%) | 64 KB (same) | 64 KB (same) | 32 KB (-50%) | 64 KB (same) | 28 KB (-56%) |
| SRAM | 3,728 bytes | 2,048 bytes | 3,898 bytes | 2,048 bytes | |||
| CPU Architecture | PIC18 enhanced 8-bit | PIC18 enhanced 8-bit | PIC18 enhanced 8-bit | PIC16 baseline 8-bit (different core) | |||
| Max CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 32 MHz (-50%) | |||
| Operating Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 1.8V to 3.6V (different range) | ||||
| ADC | 10-bit ADC2 (Computation) | 10-bit ADC2 (Computation) | 10-bit legacy ADC (no ADC2) | 10-bit ADC | |||
| Functional Safety Features | WWDT, CRC/Scan, HLT | WDT only (no CRC/Scan, no HLT) | WDT only | ||||
| Core Independent Peripherals | CWG, NCO, PWM, ADC2 | ECCP, MSSP (no CWG/NCO/ADC2) | CWG, NCO (no ADC2) |
Bảo phân biệt quan trọng
- Newer CIPs with ADC2 Computation offload (vsPIC18F46K22-I/PT)
- Integrated Functional Safety peripherals (vsPIC18F46K40-I/PT)
- eXtreme Low Power Sleep under 50 nA (vsPIC16LF15386-I/PT)
- Automotive VAO screening option (vsPIC18F46Q10-I/PTVAO)
Ghi chú thiết kế
The PIC18F46Q10-I/PT operates from 2.5V to 5.5V with separate analog (AVDD/AVSS) and digital (VDD/VSS) supply pins. Decouple each VDD pin with a 100 nF ceramic capacitor placed within 3 mm of the pin, plus a bulk 10 uF tantalum or ceramic capacitor at the package. For ADC accuracy above 10 ENOB, add a small ferrite bead between AVDD and VDD and place a separate 100 nF + 10 uF decoupling network directly on AVDD. Tie all VSS pins to a single ground plane; do not split analog and digital grounds.
Configuration bits in the CONFIG words must be programmed before any Flash application code execution - failure to lock the configuration words results in the device defaulting to a non-functional clock source. The MCLR pin requires a 10 kohm pull-up to VDD; do not leave it floating, or use the internal MCLR disable configuration bit only in production designs. When migrating from PIC18F K-series firmware, the ADC registers have changed substantially - do not assume legacy ADC register names apply.
Route the ICSP PGC/PGD lines (RB6/RB7) directly to a 6-pin ICSP header with no series resistors on the data lines, and keep traces short (<50 mm) to avoid programming failures. The 44-pin TQFP 10x10 mm package has a 0.8 mm pitch - use 0.4 mm-wide traces between pads and ensure your PCB manufacturer's minimum clearance rules support this. For high-speed oscillator operation above 20 MHz, place a ground guard ring around the crystal and load capacitors.
The 44-pin TQFP package dissipates approximately 1 W maximum at 64 MHz full-load operation across all GPIO. Estimated: at 5V supply, 64 MHz, all peripherals active, and 36 GPIO sourcing 10 mA each, the die dissipates roughly 800 mW with theta_JA around 50 C/W, yielding a 40 C temperature rise above ambient. For industrial -40C to +85C ambient operation, this is acceptable; for high-temperature environments above 70 C ambient, consider the PIC18F46Q10-E/PT extended-temperature variant.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial -I temperature grade -40C to +85C. The PIC18F46Q10-I/PTVAO automotive variant provides AEC-Q100 screening for vehicle applications; the standard -I/PT is not AEC-Q100 qualified.