PIC18F46Q10-I/MP - 64KB Flash 8-bit MCU 64MHz QFN-40
MPN: PIC18F46Q10-I/MP ✓ Hoạt độngPIC18F46Q10-I/MP Tóm tắt
A PIC18 microcontroller is an 8-bit Harvard-architecture MCU family from Microchip Technology that combines RISC CPU performance with rich on-chip peripherals and nanoWatt XLP (eXtreme Low Power) technology. Within the broader taxonomy, the PIC18F46Q10 sits in the 40-pin PIC18-Q10 sub-family which is targeted at functional-safety and closed-loop control applications, offering advantages of all PIC18 devices plus high-endurance program Flash and 5V-tolerant I/O for industrial noise immunity.
Key features include a 64MHz internal oscillator (with PLL), 36 I/O pins, three 16-bit timers, two I2C, two SPI, two UART interfaces and an 11-channel 10-bit ADC with 5-bit DAC. Peripherals such as CLC, CWG and the Hardware Limit Timer allow hardware-based signal conditioning without CPU load. Functional-safety features like Windowed WWDT and CRC/SCAN are tailored for IEC 61508 SIL capable designs.
The device operates from 2.3V to 5.5V and supports XLP sleep currents in the nanoamp range, making it suitable for battery-powered and energy-harvesting nodes. The QFN-40 (MP) 5x5 mm exposed-pad package improves thermal dissipation for continuous high-MIPS operation. The architecture provides deterministic interrupt latency and a modified Harvard bus that executes most instructions in one cycle.
Typical applications include industrial sensor nodes, closed-loop motor and fan control, white goods and small appliance control, low-cost functional-safety nodes, IoT edge controllers and LED lighting control. When designing with this device, place a 100nF decoupling capacitor close to each VDD pin and use the exposed pad for thermal relief.
Bộ thay thế dễ dàng lắp đặt cho PIC18F46Q10-I/MP — 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/MP (cùng hình factor và footprint) — khác nhau ở Package, ADC, DAC, Core, Mounting Type.
PIC18F46Q10T-I/MP
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Xem tài liệu →PIC18F46Q10-E/MP
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Xem tài liệu →PIC18F45Q10-I/MP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F45Q10T-I/MP
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Xem tài liệu →PIC18F46Q10-I/PT
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Xem tài liệu →PIC18F46Q10-I/MP Tỷ lệ tối đa & tính chất điện
| Core | PIC 8-bit RISC |
| Series | PIC XLP 18Q (Functional Safety / FuSa) |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 4 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 64 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, 11 channels |
| DAC | 5-bit |
| PWM Channels | Yes (multiple CCP/ECCP) |
| Timers | 3 x 16-bit |
| Communication | 2x UART, 2x SPI, 2x I2C |
| Special Peripherals | CLC, CWG, HLT, WWDT, SCAN/CRC |
| Hộp | 40-QFN (5x5 mm, MP) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F46Q10-I/MP
| Chân 1 | RA2 — Port A bit 2 (analog/digital I/O) |
| Chân 2 | RA3 — Port A bit 3 |
| Chân 3 | RA4 — Port A bit 4 |
| Chân 4 | RA5 — Port A bit 5 |
| Chân 5 | RA6 — Port A bit 6 |
| Chân 6 | RA7 — Port A bit 7 |
| Chân 7 | VSS — Ground reference |
| Chân 8 | VDD — Digital supply voltage 2.3V-5.5V |
| Chân 9 | OSC1 — External oscillator input |
| Chân 10 | OSC2 — External 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 — Digital supply voltage |
| Chân 21 | RB0 — Port B bit 0 (interrupt-on-change) |
| 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 (ICD clock) |
| Chân 28 | RB7 — Port B bit 7 (ICD data) |
| Chân 29 | RD0 — Port D bit 0 |
| Chân 30 | RD1 — Port D bit 1 |
| Chân 31 | RD2 — Port D bit 2 |
| Chân 32 | RD3 — Port D bit 3 |
| Chân 33 | RD4 — Port D bit 4 |
| Chân 34 | RD5 — Port D bit 5 |
| Chân 35 | RD6 — Port D bit 6 |
| Chân 36 | RD7 — Port D bit 7 |
| Chân 37 | RE0 — Port E bit 0 |
| Chân 38 | RE1 — Port E bit 1 |
| Chân 39 | RE2 — Port E bit 2 |
| Chân 40 | RE3 — Port E bit 3 (MCLR optional) |
Ứng dụng tiêu biểu
PIC18F46Q10-I/MP phù hợp cho 7 Áp dụngs: Industrial Sensor Nodes, Closed-Loop Motor and Fan Control, White Goods and Small Appliance Control, Functional-Safety Nodes, IoT Edge Controllers, LED Lighting and Smart Drivers, Automotive Body and Chassis Modules.
Industrial Sensor Nodes
The PIC18F46Q10-I/MP fits industrial sensor nodes through its 5V-tolerant I/O, 64 KB Flash for protocol stacks and 64 MHz CPU that runs 10-bit ADC scans at high sample rates. The Windowed WWDT and SCAN/CRC peripherals support IEC 61508 SIL-capable diagnostics, while the 36 I/O let it aggregate multiple analog and digital sensor channels. The device operates reliably from -40C to +85C and integrates UART, SPI and I2C for Modbus, IO-Link or wireless module interfacing. The QFN-40 (5x5 mm) package with exposed pad keeps the node compact while dissipating heat from continuous sampling loops.
Được đề xuất
Closed-Loop Motor and Fan Control
The PIC18F46Q10-I/MP is suited to closed-loop BLDC, PFC and fan control because the CWG peripheral generates complementary PWM dead-band pairs without CPU load, while the HLT enforces hardware cycle-by-cycle current limiting. The 10-bit ADC with 11 channels handles back-EMF and current-sense feedback simultaneously, and the 5-bit DAC provides an analog reference for slope compensation. At 64 MHz the core executes field-oriented control loops with predictable jitter, and 4 KB RAM is sufficient for Park/Clarke transforms. The 40-QFN footprint suits small integrated motor-driver boards.
Được đề xuất
White Goods and Small Appliance Control
The PIC18F46Q10-I/MP is widely adopted in white-goods and small-appliance platforms because it operates directly from a rectified 5V or 3.3V rail and includes capacitive-touch-ready peripherals plus CCP/ECCP for power and triac control. The 64 KB Flash supports graphical user-interface state machines and IEC 60730 Class B self-test routines, while the Windowed WWDT satisfies safety watchdog timing. CLC blocks can replace external glue logic, reducing BOM cost. The industrial temperature grade and QFN-40 footprint fit cramped control boards inside washing machines, dishwashers and coffee machines.
Được đề xuất
Functional-Safety Nodes
The PIC18F46Q10-I/MP supports low-cost functional-safety node designs through on-chip diagnostics such as Windowed WWDT, CRC/SCAN memory integrity, hardware-limit timer and configurable logic. These features ease the path to IEC 61508 SIL-2 capable subsystems where a separate safety MCU would be too expensive. The 64 KB Flash accommodates safety libraries and dual firmware images, while the 40-QFN package enables compact safety add-on boards. Combined with its 5V noise immunity, the part is attractive for redundant sensor paths and safe-stop motor controllers.
Được đề xuất
IoT Edge Controllers
The PIC18F46Q10-I/MP serves as an IoT edge controller by using its XLP nanoWatt sleep modes to extend battery life, while two UART/SPI/I2C ports connect to radios such as LoRa, BLE or sub-GHz transceivers. The 64 MHz core handles JSON parsing and sensor fusion locally before forwarding packets, and 4 KB RAM supports small TLS or MQTT buffers. The 10-bit ADC reads multiple analog sensors, and CLC blocks wake the MCU from sleep on predefined signal patterns, saving power. The QFN-40 footprint keeps node size minimal.
Được đề xuất
LED Lighting and Smart Drivers
The PIC18F46Q10-I/MP is a strong fit for LED lighting drivers because the CWG peripheral produces high-resolution PWM for dimming and color mixing, while the 10-bit ADC reads photodiode feedback for closed-loop constant-current control. With 36 I/O, multiple LED strings can be driven directly from one MCU, and the HLT enforces hardware over-current protection. The 5V-tolerant I/O interfaces with analog dimming interfaces, and the 64 KB Flash supports DALI-2 or DMX stack variants. The QFN-40 (5x5 mm) package enables slim downlight form factors.
Được đề xuất
Automotive Body and Chassis Modules
Although the -I/MP is industrial grade, the PIC18F46Q10 architecture supports body-control tasks such as CAN-LIN gateway entry nodes, lighting controllers and HVAC flaps. The 5V noise immunity and Windowed WWDT aid robustness, while 64 KB Flash fits AUTOSAR-light stacks. The 40-QFN footprint allows compact PCB placement inside body modules. For under-hood use, designers typically migrate to the AEC-Q100 qualified PIC18F46Q10-E/MP variant which extends the temperature range to +125C.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F46Q10-I/MP — 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 | PIC18F46Q10T-I/MP | PIC18F46Q10-E/MP | PIC18F45Q10-I/MP | PIC18F45Q10T-I/MP | PIC18F46Q10-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-QFN (5x5 mm, MP) | 40-QFN (5x5 mm, MP) - same | 40-QFN (5x5 mm, MP) - same | 40-QFN (5x5 mm, MP) - same | 40-QFN (5x5 mm, MP) - same | 44-TQFP (PT) - same die |
| Flash | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 32 KB (-50%) | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Max CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 |
| ADC | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch |
| Functional-Safety Peripherals | CLC, CWG, HLT, WWDT, SCAN/CRC | Same set | Same set | Same set | Same set | Same set |
Bảo phân biệt quan trọng
- Same peripheral set across the entire 40-pin Q10 sub-family (vsPIC18F45Q10-I/MP)
- Functional-safety peripherals integrated on-chip (vsPIC18F46K22-I/P)
- Industrial-grade QFN-40 footprint with exposed pad (vsPIC18F46Q10-I/PT)
Ghi chú thiết kế
Place a 100 nF decoupling capacitor within 3 mm of every VDD pin and a bulk 10 uF tantalum or ceramic capacitor near the QFN exposed pad. The QFN MP package has four VDD/VSS pairs; powering them through a star topology keeps digital switching noise away from the analog ADC reference. For battery-powered designs use a ferrite bead between the analog AVDD and digital VDD rails if the ADC performance is critical.
The 40-QFN MP package dissipates heat through the exposed pad which must be soldered to a ground copper pour of at least 25 mm squared. Estimated: at 64 MHz and 5V supply with all peripherals active, the device draws around 15 mA, so dissipation is approximately 75 mW - well within thermal limits provided the PCB pad is properly sized. Industrial-grade parts are rated to +85C ambient, but derate by 10 C/W if the exposed pad is reduced.
Route the ICSP/ICD pins RB6 and RB7 away from switching nodes to keep in-circuit debugging reliable. The OSC1/OSC2 traces should be short and guarded with a ground ring when using an external crystal; otherwise the internal 64 MHz oscillator eliminates the need for external magnetics. Leave the RE3/MCLR pin accessible for in-system programming headers.
Do not exceed 5.5V on any I/O pin even though the device is 5V-tolerant. Configure the PPS (Peripheral Pin Select) registers before enabling peripherals or the I/O will not function. Always clear the WWDT in a window-compliant time slot, otherwise the Windowed Watchdog will reset the MCU even though the watchdog itself was serviced.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. The -I/MP variant is industrial grade (-40C to +85C); for AEC-Q100 qualified automotive use select the PIC18F46Q10-E/MP family.
