PIC18F46Q10-I/MP - 64KB Flash 8-bit MCU 64MHz QFN-40
MPN: PIC18F46Q10-I/MP ✓ NakahandaPIC18F46Q10-I/MP Ulas
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.
Mga alternatibo na pwedeng ilagay na PIC18F46Q10-I/MP — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok PIC18F46Q10-I/MP (parehas na form factor at footprint) — pagkakaiba sa Package, ADC, DAC, Core, Mounting Type.
PIC18F46Q10T-I/MP
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F46Q10-E/MP
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F45Q10-I/MP
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F45Q10T-I/MP
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F46Q10-I/PT
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F46Q10-I/MP Mga Pinakamataas na Rating at Electrical Characteristics
| 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 |
| Packhaging | 40-QFN (5x5 mm, MP) with exposed pad |
| Uri ng Pagpapasok | Surface Mount |
| Temperature na Operasyon | -40C to +85C (Industrial) |
| Level ng MSL | 3 |
| Tindminan RoHS | Compliant |
Pin Configuration ng PIC18F46Q10-I/MP
| Pin 1 | RA2 — Port A bit 2 (analog/digital I/O) |
| Pin 2 | RA3 — Port A bit 3 |
| Pin 3 | RA4 — Port A bit 4 |
| Pin 4 | RA5 — Port A bit 5 |
| Pin 5 | RA6 — Port A bit 6 |
| Pin 6 | RA7 — Port A bit 7 |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Digital supply voltage 2.3V-5.5V |
| Pin 9 | OSC1 — External oscillator input |
| Pin 10 | OSC2 — External oscillator output |
| Pin 11 | RC0 — Port C bit 0 |
| Pin 12 | RC1 — Port C bit 1 |
| Pin 13 | RC2 — Port C bit 2 |
| Pin 14 | RC3 — Port C bit 3 |
| Pin 15 | RC4 — Port C bit 4 |
| Pin 16 | RC5 — Port C bit 5 |
| Pin 17 | RC6 — Port C bit 6 |
| Pin 18 | RC7 — Port C bit 7 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Digital supply voltage |
| Pin 21 | RB0 — Port B bit 0 (interrupt-on-change) |
| Pin 22 | RB1 — Port B bit 1 |
| Pin 23 | RB2 — Port B bit 2 |
| Pin 24 | RB3 — Port B bit 3 |
| Pin 25 | RB4 — Port B bit 4 |
| Pin 26 | RB5 — Port B bit 5 |
| Pin 27 | RB6 — Port B bit 6 (ICD clock) |
| Pin 28 | RB7 — Port B bit 7 (ICD data) |
| Pin 29 | RD0 — Port D bit 0 |
| Pin 30 | RD1 — Port D bit 1 |
| Pin 31 | RD2 — Port D bit 2 |
| Pin 32 | RD3 — Port D bit 3 |
| Pin 33 | RD4 — Port D bit 4 |
| Pin 34 | RD5 — Port D bit 5 |
| Pin 35 | RD6 — Port D bit 6 |
| Pin 36 | RD7 — Port D bit 7 |
| Pin 37 | RE0 — Port E bit 0 |
| Pin 38 | RE1 — Port E bit 1 |
| Pin 39 | RE2 — Port E bit 2 |
| Pin 40 | RE3 — Port E bit 3 (MCLR optional) |
Tipikal na mga Gamit
PIC18F46Q10-I/MP ay nararapat para sa 7 aplikasyons: 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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for PIC18F46Q10-I/MP — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | 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 |
Pangunahing mga Pagkakaiba
- Same peripheral set across the entire 40-pin Q10 sub-family (kumpara saPIC18F45Q10-I/MP)
- Functional-safety peripherals integrated on-chip (kumpara saPIC18F46K22-I/P)
- Industrial-grade QFN-40 footprint with exposed pad (kumpara saPIC18F46Q10-I/PT)
Talaan ng Disenyo
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.
Impormasyon ng Pagsunod sa Kautusan
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.