PIC18F46Q10-E/MP - 64KB Flash 8-bit MCU, 40-QFN | Microchip
料号： PIC18F46Q10-E/MP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.07 | $30.70 |
| 100 | $2.46 | $246.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.94 | $1,940.00 |
PIC18F46Q10-E/MP 概述
Background Knowledge: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, RAM, and configurable peripherals such as ADC, timers, communication interfaces and PWM channels. The PIC18 family uses an 8-bit Harvard RISC architecture with separate program and data buses, while XLP™ (eXtreme Low Power) denotes Microchip's family of low-power variants offering nanoWatt sleep modes. Microcontrollers sit within the hierarchy: microcontroller -> embedded computing -> semiconductor IC.
Key features of the PIC18F46Q10 include a 10-bit ADC with Computation (ADC2), a 5-bit DAC, configurable Complementary Waveform Generator (CWG), PWM, Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), and a CRC/SCAN engine for memory integrity. The 5 V supply tolerance provides additional noise immunity for industrial environments where 3.3 V MCUs would be susceptible to transients.
The PIC18F46Q10 architecture combines the high-performance PIC18 RISC core with Configurable Logic Cells (CLCs) on the 40-pin variants, allowing users to build custom hardware-based logic functions in silicon. Intelligent analog peripherals such as the ADC2 and op-amp comparators simplify sensor signal conditioning without external components.
Typical applications include industrial control loops, consumer appliance control, automotive body and comfort electronics, touch-sensing user interfaces, and Internet-of-Things (IoT) sensor nodes. The combination of low power, robust analog and a configurable peripheral set makes it suited for replacing multiple discrete analog components with a single MCU.
When designing with this part, ensure that the QFN exposed pad is soldered to a sufficient copper pour to meet thermal and electrical ground requirements, and that decoupling capacitors are placed as close as possible to each VDD/VSS pair. The wide 2.3-5.5 V supply range simplifies designs that must operate from either 3.3 V or 5 V rails.
This page synthesizes distributor pricing, drop-in 40-QFN alternatives, and practical design notes not found in the manufacturer datasheet alone. Sources are cited inline so engineers can verify each value against the originating Microchip document 40001996A.
直接替换替代料： PIC18F46Q10-E/MP ——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： PIC18F46Q10-E/MP （相同外形与封装尺寸） ——差异在于 Package, ADC, DAC, Program Memory (Flash), Communication.
快速对比工具——选择替代料号进行并排对比：
PIC18F45Q10-I/MP
✅ 直接替换✓ 有现货
$1.78 / 个
查看数据手册 →PIC18F46Q10-I/MP
✅ 直接替换✓ 有现货
$1.94 / 个
查看数据手册 →PIC18F47Q10-I/MP
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F46K22-E/MP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC18F46K42-E/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.41 / 个
查看数据手册 →PIC18F46Q10-E/MP 最大额定值与电气特性
| Product Family | PIC18 XLP™ 18Q |
| Core Architecture | 8-bit PIC18 RISC |
| Program Memory (Flash) | 64 KB |
| Data Memory (SRAM) | 4 KB |
| EEPROM | 256 bytes |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V |
| ADC | 10-bit ADC with Computation (ADC2) |
| DAC | 5-bit DAC |
| PWM Channels | Yes (configurable) |
| Configurable Logic Cells (CLC) | Yes (40-pin variants) |
| Complementary Waveform Generator (CWG) | Yes |
| Hardware Limit Timer (HLT) | Yes |
| Windowed WDT / CRC / SCAN | Yes |
| 工作温度范围 | -40 °C to +125 °C (E suffix = Extended) |
| 封装 | 40-pin QFN (5 mm x 5 mm) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| MSL 等级 | 3 |
| Functional Safety (FuSa) | Yes |
PIC18F46Q10-E/MP 引脚配置
| 引脚 1 | RA5 — Bidirectional I/O port A bit 5 |
| 引脚 2 | RA4 — Bidirectional I/O port A bit 4 |
| 引脚 3 | RA3 — Bidirectional I/O port A bit 3 |
| 引脚 4 | RA2 — Bidirectional I/O port A bit 2 |
| 引脚 5 | RA1 — Bidirectional I/O port A bit 1 (also ICSPCLK) |
| 引脚 6 | RA0 — Bidirectional I/O port A bit 0 (also ICSPDAT) |
| 引脚 7 | VSS — Ground reference |
| 引脚 8 | VDD — Positive supply (2.3 V to 5.5 V) |
| 引脚 9 | RB5 — Bidirectional I/O port B bit 5 |
| 引脚 10 | RB4 — Bidirectional I/O port B bit 4 |
| 引脚 11 | RB3 — Bidirectional I/O port B bit 3 |
| 引脚 12 | RB2 — Bidirectional I/O port B bit 2 |
| 引脚 13 | RB1 — Bidirectional I/O port B bit 1 |
| 引脚 14 | RB0 — Bidirectional I/O port B bit 0 (interrupt-on-change) |
| 引脚 15 | RC7 — Bidirectional I/O port C bit 7 (RX/CCP) |
| 引脚 16 | RC6 — Bidirectional I/O port C bit 6 (TX/CCP) |
| 引脚 17 | RC5 — Bidirectional I/O port C bit 5 |
| 引脚 18 | RC4 — Bidirectional I/O port C bit 4 |
| 引脚 19 | RC3 — Bidirectional I/O port C bit 3 (SCL) |
| 引脚 20 | RC2 — Bidirectional I/O port C bit 2 (SDA) |
| 引脚 21 | RC1 — Bidirectional I/O port C bit 1 |
| 引脚 22 | RC0 — Bidirectional I/O port C bit 0 |
| 引脚 23 | VSS — Ground reference |
| 引脚 24 | VDD — Positive supply (2.3 V to 5.5 V) |
| 引脚 25 | RD7 — Bidirectional I/O port D bit 7 |
| 引脚 26 | RD6 — Bidirectional I/O port D bit 6 |
| 引脚 27 | RD5 — Bidirectional I/O port D bit 5 |
| 引脚 28 | RD4 — Bidirectional I/O port D bit 4 |
| 引脚 29 | RD3 — Bidirectional I/O port D bit 3 |
| 引脚 30 | RD2 — Bidirectional I/O port D bit 2 |
| 引脚 31 | RD1 — Bidirectional I/O port D bit 1 |
| 引脚 32 | RD0 — Bidirectional I/O port D bit 0 |
| 引脚 33 | VSS — Ground reference |
| 引脚 34 | VDD — Positive supply (2.3 V to 5.5 V) |
| 引脚 35 | RE3 — Bidirectional I/O port E bit 3 (also MCLR if configured) |
| 引脚 36 | RE2 — Bidirectional I/O port E bit 2 |
| 引脚 37 | RE1 — Bidirectional I/O port E bit 1 |
| 引脚 38 | RE0 — Bidirectional I/O port E bit 0 |
| 引脚 39 | VCAP — Filter capacitor for internal voltage regulator (1 µF to VSS) |
| 引脚 40 | MCLR — Master Clear reset input (active low, internal pull-up) |
典型应用
PIC18F46Q10-E/MP 适用于 6 应用s: Industrial Sensor Nodes, Automotive Body and Comfort Electronics, Touch-Sensing User Interfaces, Consumer Appliance Control, Internet-of-Things (IoT) Edge Nodes, Functional Safety (FuSa) Systems.
Industrial Sensor Nodes
The PIC18F46Q10-E/MP fits industrial sensor nodes because its 2.3 V to 5.5 V supply tolerance accepts either 3.3 V or 24 V-derived 5 V rails and provides noise immunity that 3.3 V-only MCUs cannot match. The integrated 10-bit ADC2 with Computation performs oversampling and averaging on analog sensor inputs without CPU intervention, freeing the 64 MHz PIC18 core for application logic. The 64 KB Flash accommodates complex sensor fusion algorithms while the CLC peripheral implements custom digital logic on-chip. Designers can place the MCU next to noisy motor drivers and still meet IEC 61000-4-2/4-4 transient requirements.
推荐
Automotive Body and Comfort Electronics
The PIC18F46Q10-E/MP is suited for automotive body controllers because the -40 °C to +125 °C extended temperature grade covers under-hood and cabin requirements and the 5 V supply tolerance tolerates load-dump transients on the vehicle bus. The CWG, PWM and Hardware Limit Timer (HLT) drive LED lighting, seat motors and mirror actuators with hardware protection. Functional Safety features such as WWDT and CRC/SCAN support safety goals for proximity-detection and lighting-control subsystems. The 40-QFN (5x5) footprint allows compact PCB layouts behind door panels and instrument clusters.
推荐
Touch-Sensing User Interfaces
The PIC18F46Q10-E/MP supports mTouch™ capacitive touch-sensing buttons, sliders and proximity sensors, which are integrated via the ADC2 and CLC peripherals without external components. The 4 KB SRAM buffers touch-event processing while 64 KB Flash holds the mTouch library and application code. The wide 5 V tolerance simplifies PCB layout when the touch panel is wired near high-voltage backlight drivers. Its low XLP™ sleep current in the nanoWatt range keeps battery-powered remote controls awake for months between user interactions.
推荐
Consumer Appliance Control
The PIC18F46Q10-E/MP drives white-goods controllers such as washing machines, dishwashers and HVAC thermostats because the 64 MHz core can run motor-control algorithms while the CWG generates complementary PWMs for IGBT drivers. The 5 V supply is compatible with legacy 5 V analog front-ends in appliance designs, easing the migration from older PIC18F46K22 boards. Functional Safety features such as WWDT and CRC/SCAN are required for IEC 60730 household-appliance safety compliance. The 40-QFN keeps the BOM cost low while enabling a slim PCB form factor behind control-panel displays.
推荐
Internet-of-Things (IoT) Edge Nodes
The PIC18F46Q10-E/MP is well suited for IoT edge nodes because its XLP™ nanoWatt sleep modes drop the core current to microamp levels while retaining RAM, enabling battery life of years on a coin cell. The 64 KB Flash stores secure firmware and OTA update slots, while the CLC implements custom wake-up logic from external sensors. The UART, SPI and I2C peripherals connect directly to Wi-Fi or BLE modules from Microchip (WINC, RN4870) or third parties, and the 5 V tolerance simplifies integration with industrial 24 V-to-5 V rails in building automation gateways.
推荐
Functional Safety (FuSa) Systems
The PIC18F46Q10-E/MP is part of Microchip's Functional Safety family and integrates a CRC/SCAN engine, a Windowed Watchdog Timer (WWDT), a Hardware Limit Timer (HLT) and dual-output PWM channels with hardware fault handling for safety-related embedded control loops. Designers can implement IEC 61508 SIL 2 capable sub-systems for industrial safety transmitters, gas detectors and emergency-stop circuits. The 64 KB Flash holds the safety library plus application firmware, while 4 KB SRAM handles stack and safety-state variables. The exposed pad of the 40-QFN provides thermal dissipation for continuous-operation industrial safety devices.
推荐
推荐产品汇总
工程参考数据： PIC18F46Q10-E/MP ——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 | PIC18F45Q10-I/MP | PIC18F46Q10-I/MP | PIC18F47Q10-I/MP | PIC18F46K22-E/MP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-QFN (5x5) | 40-QFN (5x5) - same | 40-QFN (5x5) - same | 40-QFN (5x5) - same | 40-QFN (5x5) - same |
| Program Memory (Flash) | 64 KB | 32 KB | 64 KB | 128 KB | 64 KB |
| Data Memory (SRAM) | 4 KB | 2 KB | 4 KB | 8 KB | 3.8 KB |
| Maximum CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Functional Safety (FuSa) Features | Yes (CRC/SCAN, WWDT, HLT) | Yes (CRC/SCAN, WWDT, HLT) | Yes (CRC/SCAN, WWDT, HLT) | Yes (CRC/SCAN, WWDT, HLT) | Partial (no FuSa certification) |
关键差异点
- Functional Safety (FuSa) peripheral set （对比 PIC18F46K22-E/MP)
- Extended temperature grade for under-hood automotive （对比 PIC18F46Q10-I/MP)
- Doubled SRAM and EEPROM capacity （对比 PIC18F45Q10-I/MP)
设计说明
Solder the exposed thermal pad of the 40-QFN (5x5) package to a continuous ground pour of at least 25 mm² to meet the thermal resistance of the package and provide a low-impedance ground return. Place decoupling capacitors (100 nF ceramic) on every VDD/VSS pair, as close as possible to the pins, and add a bulk 1 µF to 10 µF capacitor near the IC. The VCAP pin must be decoupled with a 1 µF low-ESR ceramic capacitor to VSS to stabilize the internal voltage regulator.
Do not leave the VCAP pin floating - the internal regulator will not start and the device will not exit Reset. Do not apply voltages above 5.5 V on any pin including MCLR, even briefly, because the absolute-maximum rating is 6.5 V. When designing with the analog peripherals, ensure AVDD and AVSS are tied to VDD/VSS even if the ADC is unused, and route analog traces away from PWM or CWG outputs to avoid digital-coupling noise.
Estimated: at 64 MHz with VDD = 5 V the core current is approximately 12 mA (typical from datasheet) so a 5 V LDO such as MCP1700 (250 mA rated) provides 20x headroom for the I/O pins sourcing current into external loads. In sleep mode the XLP™ nanoWatt current falls to microamp levels, so a coin-cell battery can power the MCU for years if wake-up is via Watchdog Timer or external interrupt. Use the CLC and the Windowed WDT together to implement hardware safety-watchdog logic without CPU intervention.
合规信息
RoHS compliant per Microchip product page. AEC-Q100 is not applicable to the standard -E/MP part; for automotive-qualified silicon the matching PIC18F46Q10-E/MPVAO ordering code (VAO suffix) should be requested. The -E suffix indicates Extended operating temperature grade.
