PIC18F06Q40-E/ST - 64KB Flash 8-bit MCU, 14-TSSOP | Microchip
料号： PIC18F06Q40-E/ST ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.46 | $14.60 |
| 100 | $1.21 | $121.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
| 2,500 | $0.81 | $2,025.00 |
PIC18F06Q40-E/ST 概述
What is a PIC18 microcontroller? The PIC18 family is Microchip's high-performance 8-bit microcontroller line, succeeding the PIC16 architecture with enhanced instruction set, larger memory addressing, and richer peripherals. PIC18F06Q40 belongs to the PIC18-Q40 sub-family, which targets space-constrained IoT, medical, and industrial designs by combining the legacy PIC18 core with modern CIPs. Within the broader taxonomy, PIC18 MCUs sit alongside PIC16 (mid-range) and PIC24/dsPIC (16-bit) families as foundational building blocks for embedded control.
Key features include 64 KB self-programmable Flash, 4 KB SRAM, 512 bytes EEPROM, an internal 64 MHz oscillator, and a wide 1.8V to 5.5V operating voltage. The 12-bit ADC with Computation supports up to 200 ksps conversion rate with automated post-processing (averaging, oversampling, threshold comparison) that offloads CPU work. Two 8-bit DACs, configurable PWM, CWG, SMT, and UART/SPI/I2C peripherals round out the integration. Peripherals such as the Configurable Logic Cell (CLC) and Peripheral Pin Select (PPS) provide flexible signal routing at runtime.
The PIC18F06Q40-E/ST uses the enhanced mid-range PIC18 core with a 16-bit instruction word and a 31-level hardware stack, executing most instructions in one instruction cycle (4 clock cycles). Its internal voltage regulator and high-frequency oscillator (HFINTOSC up to 64 MHz) simplify BOM by eliminating external clock components. The 14-pin TSSOP package keeps the design footprint under 30 mm².
Typical applications include sensor conditioning, motor control loops, IoT edge nodes, LED lighting drivers, and consumer white goods. The combination of small package, accurate ADC, and built-in DACs makes the device especially suitable for closed-loop control in industrial sensor modules.
When designing, leverage MPLAB X IDE with XC8 compiler for code development. Use Microchip's MPLAB Code Configurator (MCC) to initialize CIPs graphically and minimize firmware overhead. Confirm that the E temperature grade (-40C to +125C) matches your deployment environment; the -I grade offers 0C to +85C only.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and application notes not found in the manufacturer datasheet alone, giving procurement and embedded engineers a single reference for the PIC18F06Q40-E/ST.
直接替换替代料： PIC18F06Q40-E/ST ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC18F06Q40-E/ST （相同外形与封装尺寸） ——差异在于 Package, ADC, PWM, Program Memory (Flash), Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC18F05Q40-E/ST
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.98 / 个
查看数据手册 →PIC18F05Q41-E/ST
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.72 / 个
查看数据手册 →PIC18F04Q40-E/ST
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC18F05Q40T-I/ST
✅ 直接替换✓ 有现货
$1.18 / 个
查看数据手册 →PIC18F05Q41T-I/ST
✅ 直接替换✓ 有现货
$0.74 / 个
查看数据手册 →PIC18F04Q41-E/SL
✅ 直接替换✓ 有现货
$0.79 / 个
查看数据手册 →PIC18F06Q40-E/ST 最大额定值与电气特性
| Core | PIC18 enhanced mid-range 8-bit |
| CPU Speed | 64 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB |
| SRAM | 4 KB |
| EEPROM | 512 B |
| Operating Voltage | 1.8 V to 5.5 V |
| ADC | 12-bit, with Computation (ADC2) |
| DAC | 2 x 8-bit |
| PWM | 16-bit, multiple channels |
| I/O Pins | 12 (in 14-pin package) |
| 封装 | 14-TSSOP |
| 工作温度 | -40C to +125C (E grade) |
| 安装类型 | Surface Mount |
| MSL 等级 | 1 (per Microchip datasheet) |
| RoHS 状态 | Compliant |
PIC18F06Q40-E/ST 引脚配置
| 引脚 1 | RA5 — Bidirectional I/O with ICSPCLK |
| 引脚 2 | RA4 — Bidirectional I/O with T0CKI |
| 引脚 3 | RA3 — Bidirectional I/O with VPP/MCLR |
| 引脚 4 | RA2 — Bidirectional I/O with ADC and DAC reference |
| 引脚 5 | RA1 — Bidirectional I/O with ADC and DAC output 1 |
| 引脚 6 | RA0 — Bidirectional I/O with ADC and DAC output 0 |
| 引脚 7 | VSS — Ground reference |
| 引脚 8 | RC5 — Bidirectional I/O with PWM output |
| 引脚 9 | RC4 — Bidirectional I/O with SMBus I2C |
| 引脚 10 | RC3 — Bidirectional I/O with SCL |
| 引脚 11 | RC2 — Bidirectional I/O with SDA |
| 引脚 12 | RC1 — Bidirectional I/O with PWM output |
| 引脚 13 | RC0 — Bidirectional I/O with SOSCO crystal output |
| 引脚 14 | VDD — Positive supply voltage (1.8V to 5.5V) |
典型应用
PIC18F06Q40-E/ST 适用于 6 应用s: Sensor Signal Conditioning Module, BLDC Motor Control Loop, IoT Edge Sensor Node, LED Lighting Driver Controller, Battery Management Unit (BMU), Industrial Control Module.
Sensor Signal Conditioning Module
The PIC18F06Q40-E/ST is well suited for analog sensor signal conditioning thanks to its 12-bit ADC2 with Computation feature. The ADC2 supports up to 200 ksps conversion rate with automated oversampling, averaging, and threshold-based interrupt generation, reducing firmware load on the 8-bit CPU. Paired with two 8-bit DACs for excitation or trimming, the device can condition signals from strain gauges, thermocouples, or photo sensors while leaving the 64 MHz CPU free to communicate via I2C/SPI to a host. The 14-TSSOP footprint fits in dense sensor modules under 30 mm squared, and the E grade handles industrial environments from -40C to +125C without thermal derating. Internal voltage reference and 1.8V to 5.5V VDD enable direct interface to 3.3V and 5V sensor rails.
推荐
BLDC Motor Control Loop
For closed-loop motor control, the PIC18F06Q40-E/ST provides 16-bit PWM with complementary outputs and dead-band control, ideal for small brushless DC motor drivers. The CWG (Complementary Waveform Generator) and PWM channels synchronize with the ADC2 to implement field-oriented control (FOC) entry points or trapezoidal commutation. Despite being an 8-bit core, the 64 MHz CPU delivers 16 MIPS, sufficient for low-speed FOC loops or stepper sequencing. The two 8-bit DACs can set bias points for op-amp current sensing channels. Operating voltage up to 5.5V tolerates industrial 24V bus rails via local 5V regulation, and the -40C to +125C operating range suits automotive and industrial motor modules.
推荐
IoT Edge Sensor Node
The PIC18F06Q40-E/ST serves as an ultra-low-power IoT edge node for battery-powered deployments, integrating sensor reading, local processing, and serial communication. The 12-bit ADC2 and built-in DACs handle analog sensing directly, while the 4 KB SRAM supports small protocol stacks. The CIPs (CLC, SMT, PPS) enable hardware-based sensor event detection with the CPU asleep, waking only on threshold crossings via interrupt. With VDD down to 1.8V, the device runs from a single Li-ion cell or 2x AA batteries. The 14-TSSOP package keeps the BOM compact for shrink-fit designs. Connect via UART, SPI, or I2C to a Wi-Fi or BLE module such as the ATWINC1500 or RN4870.
推荐
LED Lighting Driver Controller
In LED lighting drivers, the PIC18F06Q40-E/ST provides multi-channel PWM control with 16-bit resolution for smooth dimming and color mixing. Its 16-bit PWM with dead-band control can drive both analog LED strings and digital LED chains via SPI. The ADC2 monitors voltage and current feedback from the LED array, while the 8-bit DACs set reference levels for current-mode drivers. The wide 1.8V to 5.5V VDD range allows direct connection to 3.3V or 5V LED driver rails. Operating from -40C to +125C, the E grade suits outdoor and architectural LED fixtures. The 14-TSSOP footprint minimizes PCB area in compact linear or architectural fixtures.
推荐
Battery Management Unit (BMU)
The PIC18F06Q40-E/ST fits as the controller core in small battery management units for 1S to 4S Li-ion packs. Its 12-bit ADC2 reads individual cell voltages with hardware averaging, while the 8-bit DACs control reference thresholds for over-voltage and under-voltage protection comparators. The 64 KB Flash supports state-machine firmware for charge profiles (CC-CV, pulse) used in chargers and power banks. UART/SPI interfaces connect to fuel gauge ICs or host MCUs for telemetry. The 4 KB SRAM buffers telemetry data between reads. With E grade temperature range of -40C to +125C, the device operates in automotive battery management applications under hood or in portable power tool packs.
推荐
Industrial Control Module
Industrial control modules benefit from the PIC18F06Q40-E/ST's extended -40C to +125C operating range, robust 5.5V VDD tolerance, and CIP-rich architecture. The device handles analog signal acquisition from PLC-style modules via 12-bit ADC2, executes deterministic control loops on the 64 MHz PIC18 core, and communicates with fieldbus networks via UART/SPI bridges. The two 8-bit DACs generate analog output signals for valve or motor references, while the 16-bit PWM drives proportional solenoids or heaters. PPS (Peripheral Pin Select) provides flexible pin mapping for dense PCB layouts. The 14-TSSOP package supports compact DIN-rail module designs where space is at a premium.
推荐
推荐产品汇总
工程参考数据： PIC18F06Q40-E/ST ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC18F05Q40-E/ST | PIC18F05Q41-E/ST | PIC18F04Q40-E/ST | PIC18F05Q40T-I/ST | PIC18F05Q41T-I/ST | PIC18F04Q41-E/SL |
|---|---|---|---|---|---|---|---|
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-SOIC - different package, same pin count |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 32 KB (-50%) | 32 KB (-50%) | 16 KB (-75%) | 32 KB (-50%) | 32 KB (-50%) | 16 KB (-75%) |
| SRAM | 4 KB | 4 KB (same) | 2 KB (-50%) | 4 KB (same) | 4 KB (same) | 2 KB (-50%) | 2 KB (-50%) |
| EEPROM | 512 B | 512 B (same) | 256 B (-50%) | 256 B (-50%) | 512 B (same) | 256 B (-50%) | 256 B (-50%) |
| CPU Speed | 64 MHz | 64 MHz (same) | 64 MHz (same) | 64 MHz (same) | 64 MHz (same) | 64 MHz (same) | 64 MHz (same) |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | 0C to +85C (I) | 0C to +85C (I) | -40C to +125C (E) |
| Operating Voltage | 1.8V to 5.5V | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) |
| ADC | 12-bit ADC2 with Computation | 12-bit ADC2 | 12-bit ADC2 updated | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 updated | 12-bit ADC2 updated |
| 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 | 2 x 8-bit |
关键差异点
- Largest Flash memory in 14-TSSOP PIC18-Q40 family （对比 PIC18F05Q40-E/ST)
- Extended -40C to +125C temperature range for harsh environments （对比 PIC18F05Q40T-I/ST)
- Full 4 KB SRAM for protocol stacks and data buffers （对比 PIC18F05Q41-E/ST)
设计说明
Decouple VDD with a 100 nF X7R ceramic capacitor placed within 5 mm of pin 14 (VDD). For ADC2 applications, add a 10 uF bulk capacitor in parallel to suppress VDD ripple during high-speed conversions. The PIC18F06Q40's internal voltage regulator requires both bulk and bypass capacitors per Microchip datasheet DS40002559C. Avoid routing high-frequency digital signals directly under the VDD trace to prevent noise coupling into the analog rail.
The PIC18F06Q40-E/ST in 14-TSSOP has a typical theta_JA of approximately 100 C/W (per Microchip package thermal data), allowing operation up to +125C junction at moderate current loads. For continuous 64 MHz operation at elevated ambient, copper pour under the exposed pad (when available in the TSSOP-14 variant) improves heat spreading. The device does not have an exposed thermal pad in standard TSSOP-14.
MCLR pin (RA3, pin 3) must not be left floating; tie it to VDD through a 10 kohm pull-up resistor or directly to VDD if not using external reset. Always configure unused I/O pins as outputs low to minimize current consumption in sleep mode. For ADC2 accuracy, ensure the negative reference (VSS) is clean and that the analog input impedance is below 10 kohm to avoid acquisition timing errors per datasheet ADC2 section.
Place a ground pour on the bottom layer connecting pin 7 (VSS) to all analog ground references. Keep analog signal traces short and away from PWM digital outputs to prevent coupling. Use Microchip's MPLAB Code Configurator (MCC) for peripheral initialization; PPS (Peripheral Pin Select) allows flexible pin mapping but locked configurations reduce code complexity. Refer to TB3135 application note for CIP configuration patterns.
合规信息
RoHS compliant per Microchip product page DS40002559C. AEC-Q100 not qualified - this part targets industrial and consumer applications. For AEC-Q100 qualified alternatives in the PIC18 family, contact Microchip directly.
