PIC18F06Q40-I/ST - 64KB Flash 8-bit MCU | Microchip | TSSOP-14
MPN: PIC18F06Q40-I/ST ✓ Hoạt độngPIC18F06Q40-I/ST Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/SRAM/EEPROM), and programmable peripherals. The PIC18 architecture belongs to the Modified Harvard 8-bit RISC family and sits within the broader category of embedded microcontrollers. The PIC18-Q40 sub-family specifically targets real-time control and sensor-interface applications by integrating analog peripherals, math accelerators, and CIPs that reduce CPU overhead and BOM cost. The 14-pin TSSOP package places this part in the small-outline surface-mount family, suitable for compact sensor nodes and space-constrained designs.
Key differentiating features include the ADC^2 engine (automated oversampling, averaging, and threshold-comparison), two CLC blocks that let designers wire digital logic from on-chip peripherals without external glue, and a 32-bit CRC with memory scan for safety-critical firmware integrity checks. Communication options include I2C, SPI, UART with LIN support, and configurable IO. The on-chip 8-bit DACs and op-amp modules are useful for sensor excitation and bias generation.
The device is designed for deterministic real-time control. Its interrupt structure supports hardware-priority levels, allowing time-critical peripheral events to preempt the main loop. The 16 MIPS throughput, combined with the CWG and PWM modules, suits motor, lighting, and switched-mode power control loops, while the ADC^2 reduces software complexity for sensor fusion.
Typical applications include IoT sensor nodes, home-automation peripherals, battery chargers, LED lighting controllers, low-end BLDC fan drivers, small appliance control boards, and HVAC sensor interfaces. Automotive-grade variants (PIC18F06Q40-E/ST) are available for under-hood and cabin electronics requiring higher temperature tolerance.
When designing with this MCU, reserve the ADC channels first, since the 14-pin TSSOP exposes a limited number of dedicated analog pins. Use the internal FVR as the ADC reference to reduce external component count, and verify interrupt priorities against your real-time deadline budget before locking the firmware architecture.
This page synthesizes distributor pricing across multiple sources, pin-compatible drop-in alternatives from the same PIC18-Q40 family, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC18F06Q40-I/ST — 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 PIC18F06Q40-I/ST (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, DAC, Program Memory (Flash), PWM.
PIC18F06Q40-E/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F05Q40-I/ST
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F05Q41T-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F05Q40T-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F05Q41-E/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F04Q40-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F05Q40-E/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F06Q40-I/ST Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18 8-bit Enhanced Mid-range |
| Maximum CPU Frequency | 64 MHz |
| Performance (MIPS) | 16 MIPS |
| Program Memory (Flash) | 64 KB |
| SRAM | 4 KB |
| EEPROM | 512 B |
| Operating Voltage Range | 1.8 V to 5.5 V |
| ADC | 12-bit ADC with Computation (ADC^2) |
| DAC | 2 x 8-bit DAC |
| Hộp | 14-pin TSSOP (ST) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Communication Interfaces | I2C, SPI, UART (LIN-capable) |
| Core Independent Peripherals | CLC, CWG, NCO, CRC/Scan |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes (per distributor listings) |
Cấu hình chân PIC18F06Q40-I/ST
| Chân 1 | RA2/AN2 — Digital IO RA2 / Analog input AN2 |
| Chân 2 | RA3/AN3 — Digital IO RA3 / Analog input AN3 |
| Chân 3 | RA4/AN4 — Digital IO RA4 / Analog input AN4 |
| Chân 4 | RA5/MCLR — Digital IO RA5 / Master Clear (reset) input |
| Chân 5 | VDD — Positive supply voltage |
| Chân 6 | VSS — Ground reference |
| Chân 7 | RA1/AN1 — Digital IO RA1 / Analog input AN1 |
| Chân 8 | RA0/AN0 — Digital IO RA0 / Analog input AN0 |
| Chân 9 | RC5 — Digital IO RC5 |
| Chân 10 | RC4 — Digital IO RC4 |
| Chân 11 | RC3 — Digital IO RC3 |
| Chân 12 | RC2 — Digital IO RC2 |
| Chân 13 | RC1 — Digital IO RC1 |
| Chân 14 | RC0 — Digital IO RC0 |
Ứng dụng tiêu biểu
PIC18F06Q40-I/ST phù hợp cho 6 Áp dụngs: IoT Sensor Nodes, Home-Automation Peripherals, LED Lighting Controllers, Battery Chargers and Power Management, Low-End BLDC Fan Drivers, Small Appliance and HVAC Sensor Interfaces.
IoT Sensor Nodes
The PIC18F06Q40-I/ST suits IoT sensor nodes because its 1.8 V to 5.5 V supply range covers single-cell Li-Ion (3.7 V nominal) and legacy 5 V sensor rails without level shifters. The 12-bit ADC^2 engine with automated oversampling and threshold-comparison offloads signal conditioning from the CPU, while the CLC and NCO Core Independent Peripherals let the MCU sleep while peripherals handle I/O in hardware - directly improving battery life. With 64 KB Flash, designers can host a small BLE/Wi-Fi stack plus a sensor-fusion loop. Compared with discrete ADC plus MCU solutions, the integrated ADC^2 + CIP approach reduces BOM cost and PCB area in a 14-pin TSSOP footprint.
Được đề xuất
Home-Automation Peripherals
For smart switches, occupancy sensors, and HVAC peripherals, the PIC18F06Q40-I/ST offers a 14-pin TSSOP footprint that fits behind a wall plate or inside a small sensor housing. The 12-bit ADC^2 supports accurate thermistor, LDR, or PIR conditioning, while the UART (LIN-capable) and I2C simplify comms with host radios. The CWG module can directly drive a TRIAC for dimmer control without external logic. Compared with a discrete op-amp plus comparator design, the on-chip CLC and 8-bit DACs eliminate glue logic and reduce PCB complexity for low-cost home-automation products.
Được đề xuất
LED Lighting Controllers
The PIC18F06Q40-I/ST works as an LED lighting controller by leveraging the Complementary Waveform Generator (CWG) for hardware-driven dimming and the on-chip 8-bit DACs for analog intensity trim. At 16 MIPS, the PIC18 core easily handles DMX-like or wireless lighting protocols, while the CLC block can implement fault-protection logic in hardware without CPU intervention. The 64 KB Flash holds protocol stacks plus color-mixing tables. Compared with a PWM-only timer solution, the CWG + CLC approach reduces firmware burden and improves flicker performance in dimmable luminaires.
Được đề xuất
Battery Chargers and Power Management
The PIC18F06Q40-I/ST handles battery-charger CC/CV control loops using its on-chip 12-bit ADC^2 for accurate current/voltage sensing and the 8-bit DACs for reference generation. The CLC can implement hysteretic comparator behavior in hardware, offloading the charge-loop timing from the CPU. With 1.8 V-5.5 V operation and TSSOP-14 packaging, the device fits into compact charger modules for Li-Ion, NiMH, or lead-acid packs. Compared with a discrete op-amp + comparator charger, the integrated ADC^2 + CLC solution improves accuracy while reducing external component count.
Được đề xuất
Low-End BLDC Fan Drivers
The PIC18F06Q40-I/ST drives low-end BLDC fan motors using its CWG for commutation timing, the NCO for precise speed references, and the 12-bit ADC for back-EMF sensing. The hardware CLC block implements sensorless startup ramps without CPU latency. With 64 KB Flash, firmware can store multiple fan-control curves and acoustic profiles. Compared with discrete gate-driver + op-amp BLDC solutions, this integrated MCU approach shrinks the BOM to one IC plus a half-bridge for low-wattage fan and pump designs.
Được đề xuất
Small Appliance and HVAC Sensor Interfaces
The PIC18F06Q40-I/ST fits small-appliance and HVAC sensor-interface boards by combining 64 KB Flash for protocol stacks (Modbus, LIN, UART-based HVAC buses) with the ADC^2 engine for temperature/pressure sensor reading. The CLC and CRC/Scan peripherals improve firmware robustness for safety-critical appliances. The 14-pin TSSOP footprint and 1.8 V-5.5 V supply permit integration into space-constrained appliance control panels. Compared with a separate sensor AFE + MCU, the integrated ADC^2 + CIP architecture simplifies PCB layout and reduces total BOM cost for volume HVAC and appliance designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F06Q40-I/ST — 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 | PIC18F06Q40-E/ST | PIC18F05Q40-I/ST | PIC18F05Q41T-I/ST | PIC18F04Q40-I/ST | PIC18F05Q40-E/ST |
|---|---|---|---|---|---|---|
| Package | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 32 KB | 32 KB | 16 KB | 32 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Maximum CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| ADC | 12-bit ADC^2 | 12-bit ADC^2 | 12-bit ADC^2 | 12-bit ADC^2 | 12-bit ADC^2 | 12-bit ADC^2 |
| DAC | 2 x 8-bit | 2 x 8-bit | 2 x 8-bit | 2 x 8-bit | 2 x 8-bit | 2 x 8-bit |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Unit Price (qty 1, USD) | 1.49 | 1.55 (estimated) | 1.30 (estimated) | 1.35 (estimated) | 1.20 (estimated) | 1.35 (estimated) |
Bảo phân biệt quan trọng
- Highest Flash density in PIC18-Q40 TSSOP-14 family (vsPIC18F05Q40-I/ST)
- Industrial temperature grade at lower price than E/ST variant (vsPIC18F06Q40-E/ST)
- Direct TSSOP-14 pin compatibility across all PIC18-Q40 memory tiers (vsPIC18F04Q40-I/ST)
Ghi chú thiết kế
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 5) and a bulk capacitor (>= 1 uF) on the same supply trace to suppress switching transients from internal core transitions. Estimated: at 64 MHz with all peripherals active, the supply current peaks approach 15 mA; at 1 MHz sleep plus ADC sampling, expect under 1 mA. The PIC18F06Q40-I/ST supports 1.8 V to 5.5 V operation, but core frequency scales with VDD - verify VDD >= 2.5 V before clocking above 32 MHz per the datasheet's frequency-vs-voltage curve.
Keep the MCLR/RA5 pin (pin 4) trace short to minimize noise pickup on the reset line; place a 10 kohm pull-up to VDD and a 100 nF cap to ground if hardware reset is required. Route analog signals (RA0-RA4) away from digital switching traces and place a ground pour under the TSSOP-14 footprint to reduce ADC crosstalk. The 14-pin TSSOP package's small thermal pad footprint makes it easy to keep analog ground and digital ground separated with a single-point tie near VSS (pin 6).
Do not exceed 5.5 V on any IO pin, even briefly, or the ESD clamp diodes will forward-bias. The TSSOP-14 package exposes only 6 PORTA pins and 6 PORTC pins; if your design needs more IO, migrate to a 20-pin PIC18F16Q40 variant rather than multiplexing critical peripherals. The ADC^2 hardware averaging requires the FVR (Fixed Voltage Reference) to be enabled and stable before triggering conversions - failing to wait the FVR ready flag causes spurious first-sample readings. Lastly, the on-chip DAC outputs are 8-bit and require an external buffer op-amp for low-impedance loads.
Thông tin tuân thủ
RoHS compliant per DigiKey and Lisleapex distributor listings as of 2026-09-26. Lead-free per Microchip standard packaging. Halogen-free status not explicitly stated in retrieved data. AEC-Q100 not applicable - choose PIC18F06Q40-E/ST for harsher environments but AEC-Q100 automotive qualification is not implied.
