PIC18F06Q40-E/SL - 8-bit 64MHz 64KB Flash MCU | Microchip
MPN： PIC18F06Q40-E/SL ✓ 啟用中PIC18F06Q40-E/SL 概覽
An 8-bit PIC microcontroller is a compact Harvard-architecture processor that executes a RISC instruction set, providing deterministic timing and simple peripheral integration for embedded control. Within the broader semiconductor hierarchy, PIC MCUs sit under microcontrollers (MCUs) -> embedded processors -> digital ICs. The PIC18 sub-family specifically targets applications requiring more computational headroom, larger memory, and richer analog peripherals than PIC16 devices, while retaining the small pin-count and ease-of-use advantages of the PIC ecosystem.
Key specifications include 64 MHz maximum CPU clock (16 MIPS performance), 12-bit ADC with computation features for automated averaging and threshold detection, dual 8-bit DAC outputs for reference generation or analog biasing, 16-bit PWM with complementary outputs, and 5V/3.3V operation across an extended industrial temperature range. The 14-pin SOIC footprint provides a compact, hand-solderable package suitable for both prototype and volume production.
Typical applications include closed-loop sensor conditioning, LED lighting drivers, low-end motor control (small DC fans, BLDC commutation assistance), appliance user-interface controllers, battery-powered IoT sensor nodes, and digital power-supply housekeeping. The integrated ADC2 and DAC peripherals enable single-chip sensor-signal chains with minimal external analog circuitry.
When designing with this part, ensure the configuration words are correctly set for oscillator source and code protection, and that the unused pins are explicitly configured as outputs or inputs with pull-ups to minimize current consumption. The 64 KB Flash and 4 KB SRAM are well-suited to mid-size firmware stacks using MPLAB XC8 and the MPLAB Code Configurator peripheral libraries.
直接替換替代品，適用於 PIC18F06Q40-E/SL — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC18F06Q40-E/SL （相同外形與佔位） — 差異在於 PWM, Package, ADC, Operating Temperature, DAC.
PIC18F04Q40-E/SL
✅ 直接替換📋 參考替代品（不在目錄中）
PIC18F05Q40-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC18F06Q40T-I/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC18F05Q40-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC18F06Q41-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC18F06Q40-E/SL 最大額定值與電氣特性
| Core Architecture | PIC18 (8-bit RISC) |
| Maximum CPU Frequency | 64 MHz |
| Program Memory (Flash) | 64 KB |
| Data Memory (SRAM) | 4 KB |
| EEPROM | 512 bytes |
| ADC | 12-bit with Computation (ADC2) |
| DAC | 2 x 8-bit DAC |
| PWM | 16-bit PWM modules |
| Communication Peripherals | I2C / SPI / UART |
| 封裝 | 14-pin SOIC (SL) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +125C (Extended, '-E') |
| RoHS 狀態 | Compliant |
| Instruction Set | PIC18 enhanced instruction set |
| Family | PIC18-Q40 |
PIC18F06Q40-E/SL 腳位配置
| 腳位 1 | RA2 — Digital I/O / analog input (DAC1VOUT1 reference) |
| 腳位 2 | RA3 — Digital I/O / analog input |
| 腳位 3 | RA4 — Digital I/O / analog input |
| 腳位 4 | RA5 — Digital I/O / analog input |
| 腳位 5 | VSS — Ground reference |
| 腳位 6 | RA0 — Digital I/O / analog input (DAC1VOUT0 reference) |
| 腳位 7 | RA1 — Digital I/O / analog input |
| 腳位 8 | VDD — Positive supply voltage |
| 腳位 9 | MCLR — Master Clear (reset) input, active-low |
| 腳位 10 | RC0 — Digital I/O / SOSCO crystal driver |
| 腳位 11 | RC1 — Digital I/O / SOSCI crystal driver |
| 腳位 12 | RC2 — Digital I/O |
| 腳位 13 | RC3 — Digital I/O / SCL1 I2C clock |
| 腳位 14 | RC4 — Digital I/O / SDA1 I2C data |
典型應用
PIC18F06Q40-E/SL 適用於 6 應用s: Closed-Loop Sensor Signal Conditioning, LED Lighting Dimming Controllers, Small DC Motor and Fan Control, Appliance User Interface Controllers, Battery-Powered IoT Sensor Nodes, Digital Power Supply Housekeeping.
Closed-Loop Sensor Signal Conditioning
The PIC18F06Q40-E/SL is well matched to closed-loop sensor-conditioning front ends. Its 12-bit ADC with Computation (ADC2) performs hardware-averaged oversampling, while the two 8-bit DACs generate bias or setpoint voltages. With 64 MHz (16 MIPS) throughput, the PIC18 core closes proportional-integral loops in software while the peripherals handle signal capture. Per Microchip application notes, pairing ADC2 with the internal voltage reference and op-amp peripherals yields a single-chip Wheatstone-bridge conditioner for strain-gauge or thermistor bridges with sub-0.5% accuracy.
推薦
LED Lighting Dimming Controllers
The PIC18F06Q40-E/SL drives multi-channel LED dimming via its 16-bit PWM modules with complementary outputs and configurable dead-band. At 64 MHz, PWM resolution exceeds 12 bits at typical 1 kHz lighting frequencies, eliminating visible flicker. The dual 8-bit DACs provide 0-10 V analog dimming outputs for external LED drivers. According to Microchip lighting application notes, this combination supports DALI-2 or 0-10 V dimming interfaces in a single MCU without external PWM generators.
推薦
Small DC Motor and Fan Control
For small DC motors, fans, and low-power BLDC pumps, the PIC18F06Q40-E/SL integrates the timers and 16-bit PWM channels required for variable-frequency or fixed-frequency commutation. The 12-bit ADC2 samples back-EMF or current-sense signals for sensorless control loops, while ECCP/PWM peripherals generate complementary drive signals with programmable dead-time. Per Microchip motor-control documentation, a 14-pin SOIC PIC18F-Q40 device can run a 6-step or sinusoidal BLDC algorithm for sub-50 W motors.
推薦
Appliance User Interface Controllers
The PIC18F06Q40-E/SL serves as the user-interface controller in white-goods and small appliances, driving segmented LCDs (via PWM or charge-pump), capacitive touch sensing, and UART communication with the main appliance MCU. With 64 KB Flash and 4 KB SRAM, it comfortably runs state-machine-based UI firmware plus low-power capacitive-touch libraries. According to Microchip mTouch documentation, the ADC2 with computation integrates capacitive-sensing scanning without external touch ICs.
推薦
Battery-Powered IoT Sensor Nodes
For battery-powered IoT sensor endpoints, the PIC18F06Q40-E/SL operates from 1.8-5.5 V with nanoWatt sleep modes retaining RAM down to sub-microamp currents. The 12-bit ADC2 wakes the core on threshold-crossing events, enabling duty-cycled sensor nodes that spend most of their time asleep. Per Microchip low-power documentation, integrating UART/I2C/SPI radios (sub-GHz or BLE modules) with the PIC18-Q40 reduces total BOM to under 10 components for a connected sensor beacon.
推薦
Digital Power Supply Housekeeping
The PIC18F06Q40-E/SL acts as a digital housekeeping controller in AC-DC or DC-DC converters, measuring output voltage via 12-bit ADC2 and trimming references through the dual 8-bit DACs. With 16-bit PWM and ECCP, it can also implement a non-isolated auxiliary power control loop. According to Microchip power-supply reference designs, this PIC18-Q40 family integrates sufficient peripherals for full digital housekeeping without requiring an external supervisor IC.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18F06Q40-E/SL — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC18F04Q40-E/SL | PIC18F05Q40-E/SL | PIC18F06Q40T-I/SL | PIC18F06Q41-E/SL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same |
| Core / Architecture | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC |
| Flash Program Memory | 64 KB | 32 KB (-50%) | 48 KB (-25%) | 64 KB (same) | 64 KB (same) |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| EEPROM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| ADC | 12-bit ADC2 (with Computation) | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 (refined) |
| DAC | 2 x 8-bit DAC | 2 x 8-bit DAC | 2 x 8-bit DAC | 2 x 8-bit DAC | 2 x 8-bit DAC |
| Temperature Range | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Packaging Format | Tube | Tube | Tube | Tape & Reel | Tube |
主要差異化特點
- Largest Flash in the Q40 14-pin SOIC family (對比PIC18F05Q40-E/SL)
- Double the Flash of the smaller Q40 alternative (對比PIC18F04Q40-E/SL)
- Extended -40C to +125C temperature range (對比PIC18F06Q40T-I/SL)
設計說明
Estimated: supply-current budget for a sensor-node firmware at 64 MHz is approximately 8-12 mA active, with nanoWatt sleep currents under 1 uA retaining RAM. Place a 100 nF decoupling capacitor within 3 mm of the VDD pin and add a 10 uF bulk capacitor near the IC. For battery-powered designs using the internal 64 MHz HFINTOSC, switch to the 31 kHz LFINTOSC during sleep to achieve the lowest quiescent current per Microchip PIC18-Q40 family datasheet DC characteristics.
Estimated: in the 14-pin SOIC layout, keep the ICSP/PGD/PGC traces short (under 50 mm) and away from switching power nodes to prevent programming glitches. Place the MCLR pull-up resistor (typically 10 kOhm) close to the pin and add a 100 nF cap to ground for ESD suppression. When using the analog ADC channels, route analog ground separately from digital ground and join them at a single point near the IC's VSS pin to minimize ADC offset errors.
Do not leave unused PIC18F06Q40-E/SL pins floating - configure them as outputs or inputs with internal pull-ups in firmware. Floating pins can draw extra supply current and inject noise into the analog ADC. According to Microchip PIC18 documentation, the configuration words must be set explicitly for oscillator source, watchdog, code protection, and brown-out voltage before the device will run user code; leaving configuration words in their default state may prevent proper startup in noisy environments.
合規資訊
RoHS and REACH compliant per Microchip product page and DigiKey distributor listing. Not AEC-Q100 qualified - automotive designs should consult Microchip for AEC-Q100 qualified Q40 variants if available.
