PIC18F45Q10-E/PT - 32KB Flash 8-bit MCU w/ DAC, 44-TQFP | Microchip
MPN: PIC18F45Q10-E/PT ✓ פעילPIC18F45Q10-E/PT סקירה
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory and peripheral interfaces on one die. The PIC18 family belongs to the 8-bit MCU category, which sits under the broader taxonomy of microcontrollers -> embedded processors -> semiconductors. PIC18 devices use a RISC-style modified Harvard architecture and Microchip's eXtreme Low Power (XLP) technology, giving the PIC18F45Q10 class-leading active and sleep current consumption for battery-powered sensor nodes.
Key features include 64 MHz operation (16 MIPS), 5V operation for increased noise immunity in industrial environments, peripheral pin select (PPS) for flexible I/O mapping, and Core Independent Peripherals (CIPs) that offload tasks from the CPU. The integrated CLCs let designers implement custom combinational/sequential logic in hardware without external gates, while the CWG simplifies dead-band control for half-bridge and full-bridge power switching.
Typical applications include industrial sensor nodes, home appliances, IoT edge devices, motor control interfaces, touch-sensing front panels and automotive body modules. The 5V-tolerant I/O and wide operating temperature range (-40C to +125C) make it equally at home in noisy factory floors and consumer products.
When designing with the PIC18F45Q10-E/PT, ensure that the ICSP programming header is accessible on the PCB, route the VCAP pin with a low-ESR 1uF-10uF capacitor, and leverage the PPS feature to remap peripherals only when required to avoid silicon errata conflicts.
חלופות תחליף ישיר עבור PIC18F45Q10-E/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC18F45Q10-E/PT (אותו גורם צורה וטביעת רגל) — שונים ב ADC, Package, Operating Temperature, DAC, Program Memory (Flash).
PIC18F46Q10-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F45K42-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F45K22-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F45K80-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F4520-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F45Q10-E/PT דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | PIC18 (8-bit RISC, modified Harvard) |
| Program Memory (Flash) | 32 KB |
| Data SRAM | 2 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Operating Voltage | 2.3 V to 5.5 V (5V operation) |
| ADC | 10-bit, up to 35 channels |
| DAC | 5-bit, 1 channel |
| PWM Channels | Yes (multiple CCP/ECCP) |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Windowed Watchdog Timer (WWDT) | Yes |
| Hardware CRC/SCAN | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Communication Interfaces | UART, SPI, I2C |
| I/O Pins | 36 (approx.) |
| טווח טמפרטורת פעולה | -40C to +125C (E suffix = extended) |
| מארז | 44-pin TQFP (PT) |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC18F45Q10-E/PT
| פין 1 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| פין 2 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| פין 3 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| פין 4 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| פין 5 | VDD — Positive supply (2.3 V to 5.5 V) |
| פין 6 | VSS — Ground reference |
| פין 7 | OSC1/RA5 — Crystal oscillator input / Port A bit 5 |
| פין 8 | OSC2/RA6 — Crystal oscillator output / Port A bit 6 |
| פין 9 | RC0/SOSCO — Port C bit 0 / Secondary oscillator output |
| פין 10 | RC1/SOSCI — Port C bit 1 / Secondary oscillator input |
| פין 11 | RC2/AN11 — Port C bit 2 / Analog input 11 |
| פין 12 | RC3/AN12 — Port C bit 3 / Analog input 12 |
| פין 13 | RC4/AN10 — Port C bit 4 / Analog input 10 |
| פין 14 | RC5/AN13 — Port C bit 5 / Analog input 13 |
| פין 15 | RC6 — Port C bit 6 (UART TX / I/O) |
| פין 16 | RC7 — Port C bit 7 (UART RX / I/O) |
| פין 17 | RB0/INT0 — Port B bit 0 / External interrupt 0 |
| פין 18 | RB1/INT1 — Port B bit 1 / External interrupt 1 |
| פין 19 | RB2/INT2 — Port B bit 2 / External interrupt 2 |
| פין 20 | RB3/INT3 — Port B bit 3 / External interrupt 3 |
| פין 21 | RB4 — Port B bit 4 |
| פין 22 | RB5 — Port B bit 5 |
| פין 23 | RB6/PGC — Port B bit 6 / ICSP clock |
| פין 24 | RB7/PGD — Port B bit 7 / ICSP data |
| פין 25 | RD0 — Port D bit 0 |
| פין 26 | RD1 — Port D bit 1 |
| פין 27 | RD2 — Port D bit 2 |
| פין 28 | RD3 — Port D bit 3 |
| פין 29 | RD4 — Port D bit 4 |
| פין 30 | RD5 — Port D bit 5 |
| פין 31 | RD6 — Port D bit 6 |
| פין 32 | RD7 — Port D bit 7 |
| פין 33 | VSS — Ground |
| פין 34 | VDD — Positive supply |
| פין 35 | RE0/AN5 — Port E bit 0 / Analog input 5 |
| פין 36 | RE1/AN6 — Port E bit 1 / Analog input 6 |
| פין 37 | RE2/AN7 — Port E bit 2 / Analog input 7 |
| פין 38 | RE3/MCLR — Port E bit 3 / Master Clear (reset, active low) |
| פין 39 | RA4/AN4/T0CKI — Port A bit 4 / Analog input 4 / Timer0 clock |
| פין 40 | RA7 — Port A bit 7 |
| פין 41 | AVDD — Analog supply |
| פין 42 | AVSS — Analog ground |
| פין 43 | VCAP — Core voltage regulator stabilization capacitor |
| פין 44 | NC — Not connected (per datasheet) |
יישומים טיפוסיים
PIC18F45Q10-E/PT מתאים עבור 6 יישוםs: Industrial Sensor Nodes, Home Appliance Control, IoT Edge Devices, Motor Control Interfaces, Touch-Sensing Front Panels, Automotive Body Modules.
Industrial Sensor Nodes
The PIC18F45Q10-E/PT fits industrial sensor nodes thanks to its 5V operating range (2.3-5.5 V) for noise immunity in factory-floor environments, plus 10-bit ADC with up to 35 channels for multi-signal acquisition. The integrated CLCs and CWG allow on-chip signal conditioning and PWM timing without external logic, while the 32 KB Flash and 2 KB RAM comfortably host Modbus RTU or proprietary sensor-fusion firmware.
מומלץ
Home Appliance Control
In washing machines, dishwashers and HVAC controls, the PIC18F45Q10-E/PT provides the 5V noise immunity required by IEC 60730 household safety standards, plus configurable logic cells for safety interlocks. The CWG simplifies driving half-bridge motor switches, the 10-bit ADC reads thermistor/pressure inputs directly, and XLP low-power modes extend standby time on mains-backed supplies. The 44-pin TQFP supports the dense I/O needed for user interfaces with buttons and LED indicators.
מומלץ
IoT Edge Devices
The PIC18F45Q10-E/PT powers IoT edge nodes with its XLP low-power technology, peripheral pin select (PPS) for flexible bus mapping, and 2 KB SRAM sufficient for MQTT-SN buffering. The 10-bit ADC with 35 channels handles multiple analog sensors, while SPI/I2C/UART ports connect to radios such as LoRa, Sub-GHz or Wi-Fi modules. The 5V-tolerant I/O simplifies interfacing to legacy industrial 5V sensors at the network edge.
מומלץ
Motor Control Interfaces
The PIC18F45Q10-E/PT's complementary waveform generator (CWG) provides programmable dead-band control for half-bridge and full-bridge MOSFET drivers, while multiple PWM and ECCP channels support BLDC, stepper and DC motor commutation. The 5-bit DAC can generate reference voltages for current-sense amplifiers, and the 64 MHz core delivers 16 MIPS for fast current-control loops. Pair it with a Microchip gate driver for a complete low-voltage motor platform.
מומלץ
Touch-Sensing Front Panels
The PIC18F45Q10-E/PT integrates Microchip's mTouch capacitive touch peripheral, allowing direct connection of touch buttons and sliders without an external controller. Combined with the 10-bit ADC and configurable logic cells, the MCU can debounce, filter and interpret touch events in hardware, freeing the CPU for HMI logic. The 44-pin TQFP package has ample I/O for both touch channels and display driver control.
מומלץ
Automotive Body Modules
Although not AEC-Q100 qualified, the PIC18F45Q10-E/PT is widely used in non-safety automotive body applications such as interior lighting, mirror control, seat controllers and accessory modules. Its 5V operation tolerates load-dump transients, the -40C to +125C extended temperature grade (E suffix) covers cabin environments, and the CWG simplifies PWM dimming of LED arrays. Designers typically add TVS diodes and EMI filters at the harness connector.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC18F45Q10-E/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC18F46Q10-I/PT | PIC18F45K42-I/PT | PIC18F45K22-I/PT | PIC18F45K80-I/PT | PIC18F4520-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (PT) | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32 KB | 64 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| SRAM | 2 KB | 4 KB | 2 KB | 2 KB | 2 KB | 1.5 KB |
| ADC Resolution | 10-bit, up to 35 ch | 10-bit, up to 35 ch | 12-bit ADC2 with computation | 10-bit ADC | 8-channel 10-bit ADC | 10-bit ADC, 13 channels |
| DAC | 5-bit, 1 channel | 5-bit, 1 channel | 8-bit DAC, 2 channels | No DAC | No DAC | No DAC |
| CLC (Configurable Logic Cells) | Yes | Yes | Yes | No | No | No |
| CWG (Complementary Waveform Generator) | Yes | Yes | Yes | No | No | No |
| Operating Voltage | 2.3 V to 5.5 V (5V capable) | 2.3 V to 5.5 V (5V capable) | 2.3 V to 5.5 V (5V capable) | 2.3 V to 5.5 V (5V capable) | 2.7 V to 5.5 V (5V capable) | 4.2 V to 5.5 V (5V only) |
| Approx. Unit Price (qty 1, USD) | $2.78 | $3.10 (approx., 64 KB Flash) | $2.95 (approx., 12-bit ADC) | $2.65 (approx., legacy) | $3.20 (approx., CAN) | $3.40 (approx., legacy) |
מבדילים עיקריים
- 5-bit DAC + CWG + CLC integration in mid-density 8-bit MCU (לעומתPIC18F45K22-I/PT)
- Larger Flash for future-proofing at same footprint (לעומתPIC18F46Q10-I/PT (downgrade comparison))
- 5V operation for industrial noise immunity (לעומתPIC18F4520-I/PT (legacy 5V-only part))
הערות תכנון
Place a 1uF to 10uF low-ESR ceramic bypass capacitor directly on the VDD/VSS pairs of the PIC18F45Q10-E/PT. The internal LDO requires a stabilization capacitor on the VCAP pin (pin 43 on the 44-TQFP). A 1uF X7R cap is the recommended starting point per Microchip datasheet 40001996A. For 5V noise-immunity designs, use an additional ferrite bead or pi-filter on the supply rail feeding AVDD to keep analog measurements clean.
Keep the ICSP programming header (PGC/PGD on RB6/RB7 and MCLR on RE3) accessible on the PCB or add test-pad footprints. The PIC18F45Q10-E/PT uses PPS to remap digital peripherals, but RB6/RB7 are dedicated ICSP pins on 40/44-pin devices and cannot be fully repurposed. Provide a pull-up on MCLR (typically 10 kOhm) and a capacitor to ground (typically 100 nF) for reliable in-circuit programming.
When migrating from PIC18F45K22 or K80 firmware, do not assume PPS register addresses or ADC channel mappings match the PIC18F45Q10-E/PT. The Q10 family uses the new ADC2 (computed ADC) peripheral on the same pins, and PPS output mapping uses different registers. Always recompile against the latest MPLAB X device packs and verify the configuration bits (CONFIG words) match the Q10 datasheet rather than copying K22/K80 settings verbatim.
The PIC18F45Q10-E/PT is rated for -40C to +125C operation (E suffix). For continuous operation near 125C, ensure the 44-TQFP package has sufficient copper pour on the PCB. The TQFP-44 has a theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test board, so at maximum 64 MHz the self-heating is negligible (typically under 50 mW). However, in enclosed industrial enclosures without airflow, derate ambient temperature accordingly.
Route the analog signals (ANx inputs) away from switching signals such as PWM outputs and the CWG outputs to minimize coupled noise on ADC readings. Use a separate analog ground island connected to AVSS at a single point. Place the AVSS-to-VSS tie close to the MCU. The 44-TQFP offers dedicated AVDD/AVSS pins; never short them to digital supply without an LC or ferrite-bead filter when noise-sensitive measurements are required.
מידע על תאימות
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive safety applications use a PIC18-Q10 -Q1 variant or PIC18F46Q10-I/PT with external monitoring. Halogen-free per Microchip environmental compliance documentation.