PIC18F45Q10-E/PT - 32KB Flash 8-bit MCU w/ DAC, 44-TQFP | Microchip
MPN: PIC18F45Q10-E/PT ✓ Hoạt độngPIC18F45Q10-E/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC18F45Q10-E/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 PIC18F45Q10-E/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, Operating Temperature, DAC, Program Memory (Flash).
PIC18F46Q10-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F45K42-I/PT
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Xem tài liệu →PIC18F45K22-I/PT
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Xem tài liệu →PIC18F45K80-I/PT
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Xem tài liệu →PIC18F4520-I/PT
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Xem tài liệu →PIC18F45Q10-E/PT Tỷ lệ tối đa & tính chất điện
| 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.) |
| Khoảng nhiệt độ hoạt động | -40C to +125C (E suffix = extended) |
| Hộp | 44-pin TQFP (PT) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F45Q10-E/PT
| Chân 1 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| Chân 2 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| Chân 3 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Chân 4 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Chân 5 | VDD — Positive supply (2.3 V to 5.5 V) |
| Chân 6 | VSS — Ground reference |
| Chân 7 | OSC1/RA5 — Crystal oscillator input / Port A bit 5 |
| Chân 8 | OSC2/RA6 — Crystal oscillator output / Port A bit 6 |
| Chân 9 | RC0/SOSCO — Port C bit 0 / Secondary oscillator output |
| Chân 10 | RC1/SOSCI — Port C bit 1 / Secondary oscillator input |
| Chân 11 | RC2/AN11 — Port C bit 2 / Analog input 11 |
| Chân 12 | RC3/AN12 — Port C bit 3 / Analog input 12 |
| Chân 13 | RC4/AN10 — Port C bit 4 / Analog input 10 |
| Chân 14 | RC5/AN13 — Port C bit 5 / Analog input 13 |
| Chân 15 | RC6 — Port C bit 6 (UART TX / I/O) |
| Chân 16 | RC7 — Port C bit 7 (UART RX / I/O) |
| Chân 17 | RB0/INT0 — Port B bit 0 / External interrupt 0 |
| Chân 18 | RB1/INT1 — Port B bit 1 / External interrupt 1 |
| Chân 19 | RB2/INT2 — Port B bit 2 / External interrupt 2 |
| Chân 20 | RB3/INT3 — Port B bit 3 / External interrupt 3 |
| Chân 21 | RB4 — Port B bit 4 |
| Chân 22 | RB5 — Port B bit 5 |
| Chân 23 | RB6/PGC — Port B bit 6 / ICSP clock |
| Chân 24 | RB7/PGD — Port B bit 7 / ICSP data |
| Chân 25 | RD0 — Port D bit 0 |
| Chân 26 | RD1 — Port D bit 1 |
| Chân 27 | RD2 — Port D bit 2 |
| Chân 28 | RD3 — Port D bit 3 |
| Chân 29 | RD4 — Port D bit 4 |
| Chân 30 | RD5 — Port D bit 5 |
| Chân 31 | RD6 — Port D bit 6 |
| Chân 32 | RD7 — Port D bit 7 |
| Chân 33 | VSS — Ground |
| Chân 34 | VDD — Positive supply |
| Chân 35 | RE0/AN5 — Port E bit 0 / Analog input 5 |
| Chân 36 | RE1/AN6 — Port E bit 1 / Analog input 6 |
| Chân 37 | RE2/AN7 — Port E bit 2 / Analog input 7 |
| Chân 38 | RE3/MCLR — Port E bit 3 / Master Clear (reset, active low) |
| Chân 39 | RA4/AN4/T0CKI — Port A bit 4 / Analog input 4 / Timer0 clock |
| Chân 40 | RA7 — Port A bit 7 |
| Chân 41 | AVDD — Analog supply |
| Chân 42 | AVSS — Analog ground |
| Chân 43 | VCAP — Core voltage regulator stabilization capacitor |
| Chân 44 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
PIC18F45Q10-E/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F45Q10-E/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 | 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) |
Bảo phân biệt quan trọng
- 5-bit DAC + CWG + CLC integration in mid-density 8-bit MCU (vsPIC18F45K22-I/PT)
- Larger Flash for future-proofing at same footprint (vsPIC18F46Q10-I/PT (downgrade comparison))
- 5V operation for industrial noise immunity (vsPIC18F4520-I/PT (legacy 5V-only part))
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.