PIC18F15Q41-I/SO - 32KB Flash, 64MHz 8-bit MCU | Microchip
부품 번호: PIC18F15Q41-I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.92 | $1.92 |
| 10 | $1.73 | $17.30 |
| 100 | $1.45 | $145.00 |
| 500 | $1.22 | $610.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC18F15Q41-I/SO 개요
A PIC microcontroller (often abbreviated MCU) is a programmable logic device that integrates a CPU, memory, and peripherals onto a single die. The PIC18 family sits in the 8-bit MCU category hierarchy between the smaller PIC16 and the higher-end 16-bit dsPIC33 families, with a modified Harvard RISC core optimized for deterministic interrupt response and low-power operation. The Q41 subgroup further specializes PIC18 by adding advanced analog peripherals for sensor-front-end and closed-loop control applications.
Key features of the PIC18F15Q41-I/SO include 18 general-purpose I/O pins, a 64 MHz internal oscillator, multi-voltage I/O (MVIO) support down to 1.8 V, a 12-bit ADC with computation engine, two 8-bit DACs, on-chip op-amps for signal conditioning, and configurable logic cells for hardware customization. Core-independent peripherals reduce CPU load for time-critical tasks.
The architecture combines a RISC CPU with on-chip debug and a Peripheral Pin Select (PPS) system that maps digital peripherals to any I/O pin, simplifying PCB layout. The device operates over an extended industrial temperature range and offers low-power sleep modes with peripheral wake-up, suitable for battery-powered sensor nodes.
Typical applications include IoT sensor nodes, medical wearables, smart lighting controllers, industrial process sensors, and low-end motor control. The combination of integrated op-amps and a 12-bit ADC enables single-chip signal-chain designs for thermistor, RTD, and strain-gauge conditioning.
When designing with this MCU, ensure decoupling capacitors are placed close to VDD pins, and follow Microchip's recommended programming/debug header layout for MPLAB PICkit or ICD tool compatibility. PPS remapping must be configured before peripheral use to avoid unexpected pin states during bring-up.
This page synthesizes verified distributor pricing, curated cross-reference alternatives within the same package, and application notes not aggregated in the Microchip datasheet - offering clear engineering guidance for new designs.
드롭인 대체품: PIC18F15Q41-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18F15Q41-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: DAC, ADC, Package, PWM, Operating Temperature.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18F14Q41-I/SO
✅ 드롭인✓ 재고 있음
$1.52 / 개
데이터시트 보기 →PIC18F15Q40T-I/SO
✅ 드롭인✓ 재고 있음
$1.2 / 개
데이터시트 보기 →PIC18F15Q41-I/SO 최대 정격 & 전기적 특성
| Core Architecture | 8-bit PIC18 RISC |
| Program Memory (Flash) | 32 KB (32K x 8) |
| SRAM | 2 KB |
| EEPROM | 512 bytes |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 18 |
| ADC | 12-bit differential (ADC2) |
| DAC | 8-bit, 2 channels |
| PWM | 16-bit |
| On-chip Op-amp | Yes |
| Timers | 8/16-bit configurable |
| 패키지 | 20-pin SOIC (SO) |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40C to +85C (Industrial) |
| Programming/Debug | ICSP, 4-wire MPLAB ICD/PICkit |
| RoHS 상태 | Compliant |
PIC18F15Q41-I/SO 핀 구성
| 핀 1 | RE3/MCLR — Digital I/O / Master Clear reset input |
| 핀 2 | RA0 — Digital I/O / analog input |
| 핀 3 | RA1 — Digital I/O / analog input |
| 핀 4 | RA2 — Digital I/O / analog input |
| 핀 5 | RA3 — Digital I/O / analog input |
| 핀 6 | RA4 — Digital I/O |
| 핀 7 | RA5 — Digital I/O |
| 핀 8 | RA6 — Digital I/O |
| 핀 9 | RA7 — Digital I/O |
| 핀 10 | VSS — Ground |
| 핀 11 | RC0 — Digital I/O |
| 핀 12 | RC1 — Digital I/O |
| 핀 13 | RC2 — Digital I/O |
| 핀 14 | RC3 — Digital I/O |
| 핀 15 | RC4 — Digital I/O |
| 핀 16 | RC5 — Digital I/O |
| 핀 17 | RC6 — Digital I/O |
| 핀 18 | RC7 — Digital I/O |
| 핀 19 | VSS — Ground |
| 핀 20 | VDD — Positive supply voltage |
일반적인 애플리케이션
PIC18F15Q41-I/SO 적합 용도: 6 애플리케이션s: IoT Sensor Nodes, Medical Wearable Devices, Industrial Process Sensors, Smart LED Lighting Controllers, Low-end Motor Control, Consumer Electronics Interfaces.
IoT Sensor Nodes
The PIC18F15Q41-I/SO is well matched to IoT sensor node designs because of its integrated 12-bit differential ADC2, on-chip op-amp, and 1.8-5.5 V operation. According to the Microchip PIC18 Q41 product page, the device combines signal conditioning and conversion in a single chip, eliminating external analog components and reducing BOM size. Its 32 KB Flash supports protocols like MQTT-SN or LoRaWAN MAC stacks. The device's low-power sleep modes and idle current make it suitable for battery-powered wireless sensor deployments in smart home or industrial IoT.
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Medical Wearable Devices
The PIC18F15Q41-I/SO fits medical wearable applications by integrating signal-chain functions typically requiring multiple ICs. The on-chip op-amp and 12-bit ADC2 condition biopotential or temperature signals directly, while the configurable logic block offloads timing-critical capture. Operating from 1.8 V enables single-cell battery designs. The 64 MHz core supports real-time filtering of physiological data such as heart rate or SpO2 pre-processing, suitable for activity monitors and low-end patient telemetry when paired with medical-grade sensors.
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Industrial Process Sensors
For industrial process sensor designs, the PIC18F15Q41-I/SO provides a 64 MHz CPU with industrial-grade -40 to +85 C operating range. The on-chip op-amp lets it condition 4-20 mA loops and bridge sensors directly. Per Microchip documentation, the ADC2 supports oversampling and hardware averaging for noise-immune acquisition. The 16-bit PWM enables proportional control outputs without extra timers. This combination makes it suitable for pressure transducers, flow meters, and discrete industrial control loops where deterministic interrupt latency matters.
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Smart LED Lighting Controllers
The PIC18F15Q41-I/SO is well suited for smart LED lighting controllers because its 16-bit PWM modules provide flicker-free dimming at high resolution. Multiple PWM channels can drive RGB or tunable-white strings directly via MOSFET drivers. The configurable logic cell implements autonomous fade and color-mixing routines, offloading the CPU. Combined with multi-voltage I/O for mixed-voltage LED panels, this gives designers a single chip for color-control and protocol-bridge duties in DMX, DALI, or Bluetooth-Mesh-controlled luminaires.
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Low-end Motor Control
The PIC18F15Q41-I/SO can drive low-end brushed DC and stepper motor control loops thanks to its 16-bit PWM and configurable logic. The on-chip op-amp conditions back-EMF or current-sense signals, while the 12-bit ADC provides 4 ksps sampling for closed-loop current control. The 64 MHz core runs basic FOC math for low-RPM fans or pumps. Designers can scale up to dsPIC33 for high-end servo systems, but for fans, small pumps, and motorized valves this PIC18 part hits the BOM cost target.
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Consumer Electronics Interfaces
For consumer electronics such as remote controls, smart-home keypads, and small appliances, the PIC18F15Q41-I/SO delivers a 32 KB Flash budget, ample I/O for buttons and displays, and configurable peripherals for custom user interfaces. Multi-Voltage I/O enables interface to 1.8 V or 3.3 V peripherals without level shifters. Combined with hardware debounce from the configurable logic cell, the device supports low-power wake-on-touch user interfaces for battery-powered handheld gadgets.
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추천 제품 요약
엔지니어링 참조 데이터: PIC18F15Q41-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18F14Q41-I/SO | PIC18F16Q41-I/SO |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SOIC | 20-pin SOIC (same) | 20-pin SOIC (same) |
| Flash | 32 KB | 16 KB | 64 KB |
| SRAM | 2 KB | 2 KB | 2 KB |
| EEPROM | 512 bytes | 512 bytes | 512 bytes |
| Max CPU Frequency | 64 MHz | 64 MHz | 64 MHz |
| ADC | 12-bit differential | 12-bit differential | 12-bit differential |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| I/O Pins | 18 | 18 | 18 |
| Temperature Grade | -40C to +85C | -40C to +85C | -40C to +85C |
주요 차별점
- Direct in-family Flash upgrade path on same package (vs PIC18F14Q41-I/SO)
- Larger Flash than F14 with identical footprint (vs PIC18F05Q41 family)
- Integrated op-amp + 12-bit differential ADC2 (vs Generic 8-bit MCU baseline)
설계 노트
Decouple each VDD pin with a 100 nF ceramic capacitor placed within 3 mm of the pin, per Microchip's recommended PCB layout guidelines. Add a bulk 10 uF tantalum or aluminum-polymer cap on the VDD rail. For battery designs, choose an LDO like MCP1700 with low quiescent current so MCU sleep-mode consumption dominates the BOM budget. Estimated: typical active current at 64 MHz, 3.3 V is 6 mA and idle is around 1 mA - validate on hardware.
The PIC18F15Q41-I/SO uses 20-pin SOIC with a 1.27 mm pitch. Route traces to keep ADC analog inputs away from PWM outputs and clock lines to minimize coupling. The Peripheral Pin Select (PPS) system lets you remap digital peripherals to any I/O, but only one function can own a pin at a time - assign intentionally. MCLR should have a 10 kohm pull-up to VDD if reset is required.
Do not leave ICSP_DAT/ICSP_CLK unconnected during production - either tie them in firmware to disable the debug interface or leave accessible for in-system programming. Watchdog postscaler must be enabled before relying on it as a watchdog timer; otherwise CPU reset vectors will surprise you. PPS lockbits prevent inadvertent remapping once firmware is debugged - lock after bring-up.
The 12-bit ADC2 benefits from a clean analog supply. Use a ferrite bead or separate LDO between digital VDD and analog AVDD to break switching noise coupling paths. The on-chip op-amp gain setting and bandwidth must be chosen to keep within the ADC input range - reference the Microchip AN (Analog Computation and ADC Tips) for typical conditioning circuits. Estimated: oversampling ratios above 4x reduce effective noise to roughly 0.5 LSBs.
규정 준수 정보
RoHS and lead-free per Microchip product page; AEC-Q100 not applicable for general-purpose industrial MCU; REACH compliant per Microchip policy.
