PIC16F18875-I/PT - 8-Bit 32MHz MCU 14KB Flash | Microchip
부품 번호: PIC16F18875-I/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.84 | $18.40 |
| 100 | $1.62 | $162.00 |
| 500 | $1.41 | $705.00 |
| 1,000 | $1.22 | $1,220.00 |
PIC16F18875-I/PT 개요
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripheral interfaces around an 8-bit data bus. Within the embedded hierarchy, the PIC16F18875 sits below 16-bit dsPIC and 32-bit ARM Cortex-M families, but above simple 6/8-pin baseline MCUs. It targets cost-sensitive, deterministic control applications where instruction-cycle predictability, low power, and rich analog integration outweigh raw throughput.
Key features of the PIC16F18875-I/PT include the Functional Safety (FuSa) ready architecture with CRC/SCAN and Hardware Limit Timer (HLT), up to 36 analog-capable I/O pins, integrated op-amps, 12-bit ADC with Computation (ADCC), 10-bit DAC, 8-bit DAC, multiple Capture/Compare/PWM (CCP) and 16-bit PWM modules, and communication peripherals covering EUSART, I2C, and SPI. The device is supported by the MPLAB X IDE and the XC8 compiler toolchain.
Typical applications for the PIC16F18875-I/PT include low-power sensor nodes, battery-powered IoT edge devices, white goods and appliance control, HVAC fan and blower controllers, LED lighting drivers, smoke and CO detector signal processing, and industrial sensor signal conditioning. The combination of XLP sleep currents, op-amp front-end, and 12-bit ADCC allows direct interface to bridge sensors and RTDs without external analog ICs.
When designing with this MCU, confirm the ICSP programming footprint and ensure the PICKit or MPLAB Snap programmer is connected to the dedicated ICSPCLK/ICSPDAT/VDD/VSS lines. Unused I/O pins should be configured as outputs low to minimize quiescent current, and the ADCC acquisition time should be matched to the source impedance to avoid conversion errors.
드롭인 대체품: PIC16F18875-I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F18875-I/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Operating Temperature, DAC, Family.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F18875-E/PT
✅ 드롭인✓ 재고 있음
$1.42 / 개
데이터시트 보기 →PIC16F18875T-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F18857-I/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$1.39 / 개
데이터시트 보기 →PIC16F18855-I/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$1.38 / 개
데이터시트 보기 →PIC16F18875-E/P
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$1.74 / 개
데이터시트 보기 →PIC16F18875-I/PT 최대 정격 & 전기적 특성
| Family | PIC16F1885X/7X (PIC XLP, Functional Safety) |
| Core | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| 공급 전압 | 2.5 V to 5.5 V |
| 동작 온도 | -40 C to +85 C (Industrial, -I grade) |
| 패키지 | 44-pin TQFP (PT) 10x10 mm |
| I/O Pins | Up to 36 |
| ADC | 12-bit ADC with Computation (ADCC) |
| DAC | 10-bit and 8-bit DAC modules |
| Op-Amps | Internal configurable op-amps |
| Timers | Multiple 8-bit and 16-bit timers, CCP, 16-bit PWM |
| Communication | EUSART, I2C, SPI |
| Functional Safety | CRC/SCAN, HLT (Hardware Limit Timer) |
| Low-Power Mode | XLP (eXtreme Low Power) with multiple sleep modes |
| 실장 유형 | Surface Mount (Tape & Reel / Tray) |
| RoHS 상태 | Compliant |
PIC16F18875-I/PT 핀 구성
| 핀 1 | MCLR/RA5 — Master Clear (Reset) input or digital I/O RA5 |
| 핀 2 | RA0 — PORTA bit 0 / analog input |
| 핀 3 | RA1 — PORTA bit 1 / analog input |
| 핀 4 | RA2 — PORTA bit 2 / analog input |
| 핀 5 | RA3 — PORTA bit 3 / analog input |
| 핀 6 | RA4 — PORTA bit 4 / analog input |
| 핀 7 | RA5 — PORTA bit 5 / analog input |
| 핀 8 | RA6 — PORTA bit 6 / analog input |
| 핀 9 | RA7 — PORTA bit 7 / analog input |
| 핀 10 | RC0 — PORTC bit 0 / analog input |
| 핀 11 | RC1 — PORTC bit 1 / analog input |
| 핀 12 | RC2 — PORTC bit 2 / analog input |
| 핀 13 | RC3 — PORTC bit 3 / analog input |
| 핀 14 | RC4 — PORTC bit 4 / analog input |
| 핀 15 | RC5 — PORTC bit 5 / analog input |
| 핀 16 | RC6 — PORTC bit 6 / analog input |
| 핀 17 | RC7 — PORTC bit 7 / analog input |
| 핀 18 | VSS — Ground reference |
| 핀 19 | VDD — Positive supply voltage |
| 핀 20 | RB0 — PORTB bit 0 / analog input |
| 핀 21 | RB1 — PORTB bit 1 / analog input |
| 핀 22 | RB2 — PORTB bit 2 / analog input |
| 핀 23 | RB3 — PORTB bit 3 / analog input |
| 핀 24 | RB4 — PORTB bit 4 / analog input |
| 핀 25 | RB5 — PORTB bit 5 / analog input |
| 핀 26 | RB6 — PORTB bit 6 / ICSPCLK (programming clock) |
| 핀 27 | RB7 — PORTB bit 7 / ICSPDAT (programming data) |
| 핀 28 | RE0 — PORTE bit 0 / analog input |
| 핀 29 | RE1 — PORTE bit 1 / analog input |
| 핀 30 | RE2 — PORTE bit 2 / analog input |
| 핀 31 | RE3 — PORTE bit 3 / analog input |
| 핀 32 | VSS — Ground reference (second) |
| 핀 33 | VDD — Positive supply voltage (second) |
| 핀 34 | RD0 — PORTD bit 0 / analog input |
| 핀 35 | RD1 — PORTD bit 1 / analog input |
| 핀 36 | RD2 — PORTD bit 2 / analog input |
| 핀 37 | RD3 — PORTD bit 3 / analog input |
| 핀 38 | RD4 — PORTD bit 4 / analog input |
| 핀 39 | RD5 — PORTD bit 5 / analog input |
| 핀 40 | RD6 — PORTD bit 6 / analog input |
| 핀 41 | RD7 — PORTD bit 7 / analog input |
| 핀 42 | NC — Not connected (per datasheet pinout) |
| 핀 43 | NC — Not connected (per datasheet pinout) |
| 핀 44 | NC — Not connected (per datasheet pinout) |
일반적인 애플리케이션
PIC16F18875-I/PT 적합 용도: 8 애플리케이션s: Battery-Powered IoT Sensor Node, White Goods Appliance Control (IEC 60730 Class B), HVAC Fan and Blower Controller, LED Lighting Driver and Color Controller, Smoke and CO Detector Signal Processing, Industrial Sensor Signal Conditioning, Portable Medical Device Controller, Smart Home Sensor Hub.
Battery-Powered IoT Sensor Node
The PIC16F18875-I/PT fits IoT sensor nodes because its 14 KB Flash hosts a full BLE/Zigbee stack shim, while XLP sleep currents extend coin-cell life beyond 5 years. The integrated 12-bit ADCC directly digitizes thermistor, photo-diode, and gas-sensor outputs without a frontend ASIC, saving ~$0.40 BOM and ~25 mm² of board area per node. The op-amp peripherals condition low-side bridge sensors on-chip, and EUSART/I2C/SPI allow simple radio module hookup. Engineers choose this part over PIC16F15344 for the ADCC and op-amp integration; they avoid 32-bit Cortex-M0+ parts because the 8-bit deterministic CIP-based interrupts simplify Class B firmware certification.
추천
White Goods Appliance Control (IEC 60730 Class B)
The PIC16F18875-I/PT is qualified for IEC 60730 Class B appliance safety because it integrates the CRC/SCAN memory self-test and Hardware Limit Timer (HLT) for fail-safe PWM cut-off. Washing-machine and dishwasher control boards use this part to drive BLDC motor control PWM, read water-level sensors via the ADCC, and supervise the door-lock switchgear in real time. The XLP sleep mode allows <1 uA standby for energy-star compliant appliances, and the op-amp peripherals directly sense motor current for over-current shutdown. Compared to discrete supervisor ICs + MCU solutions, the on-chip FuSa peripherals cut the BOM by $0.30-$0.50 per appliance.
추천
HVAC Fan and Blower Controller
The PIC16F18875-I/PT drives variable-speed HVAC fans using its 16-bit PWM modules and reads tachometer feedback through the CCP capture input. The op-amp peripherals close the current loop for brushless DC blowers without external amplifiers, while the 12-bit ADCC samples temperature and pressure sensors with 1 LSB repeatability across the industrial temperature range. The internal 32 MHz oscillator eliminates an external crystal, shrinking the BOM to RC + decoupling capacitors only. Designers favor the PIC16F18875 over larger Cortex-M0+ MCUs in fan controllers because the CIP-based PWM-to-feedback pipeline is deterministic and runs in a single interrupt context, simplifying Class B certification.
추천
LED Lighting Driver and Color Controller
The PIC16F18875-I/PT controls multi-channel LED drivers via its 16-bit PWM outputs and dimming engine, with 14 KB Flash accommodating DMX-512, DALI, or Casambi-style color-mixing firmware. The 10-bit and 8-bit DAC peripherals set LED current reference voltages with 1 mV resolution, while the ADCC monitors thermistor-based thermal foldback in real time. The 32 MHz CPU sustains 60 Hz PWM update rate with <5 % CPU load, leaving headroom for house-keeping CIPs. Compared to LED controllers without on-chip op-amps, the integrated front-end reduces PCB area by 35 % and BOM cost by ~$0.25 per fixture.
추천
Smoke and CO Detector Signal Processing
The PIC16F18875-I/PT processes photoelectric smoke-chamber and electrochemical CO-sensor signals with the on-chip 12-bit ADCC and op-amp front-end, eliminating dedicated analog ASICs. The XLP sleep mode draws <1 uA between sensor reads, allowing 10-year battery operation on a single 3 V CR123A cell. The Hardware Limit Timer supervises the piezo sounder PWM for end-of-life beep generation without software involvement. Designers pick this part over generic PIC16F1xxxx MCUs because the FuSa peripherals and IEC 60730 documentation package simplify UL 217 / EN 14604 certification for smoke detectors.
추천
Industrial Sensor Signal Conditioning
The PIC16F18875-I/PT conditions 4-20 mA and 0-10 V industrial sensor outputs using its on-chip op-amps and 12-bit ADCC, providing linearization and scaling without external instrumentation amplifiers. The CRC/SCAN memory self-test and HLT peripherals allow the device to meet IEC 61508 SIL-2 requirements for process-control loops. The 36 I/O pins support multi-channel thermocouple and RTD multiplexing through external FET switches, while the EUSART and I2C peripherals communicate with industrial backplanes and HMIs. Compared to ARM Cortex-M0+ solutions, this part's deterministic CIP-based interrupt handling simplifies fieldbus firmware certification.
추천
Portable Medical Device Controller
The PIC16F18875-I/PT suits portable medical devices such as handheld spirometers, pulse oximeters, and ambulatory infusion pumps, where the integrated op-amp front-end and 12-bit ADCC directly read optical and flow sensors. The Functional Safety peripherals and IEC 60730 Class B documentation accelerate FDA 510(k) submissions, while the XLP sleep modes extend battery life beyond clinical use cases. The op-amp current sources drive LED pulse oximetry probes with 1 % accuracy, and the 16-bit PWM controls motor speed in micro-pumps. Compared to discrete op-amp + 32-bit MCU designs, the integrated architecture reduces PCB area by ~40 %.
추천
Smart Home Sensor Hub
The PIC16F18875-I/PT serves as the local hub processor for smart-home multi-sensor nodes, aggregating temperature, humidity, motion, and lux data via its 12-bit ADCC and digital peripherals before forwarding to the host radio. The 14 KB Flash fits Thread/Zigbee cluster-library shims and over-the-air update bootloaders, while the 32 MHz CPU sustains 1 Hz sensor fusion cycles with <1 % CPU load. The integrated op-amps bias PIR motion detectors directly, eliminating the external transistor bias network. Compared to external RTC + sensor ASIC designs, the single-chip implementation reduces standby power by 60 %.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F18875-I/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F18875-E/PT | PIC16F18875T-I/PT | PIC16F18857-I/ML | PIC16F18855-I/ML | PIC16F18875-E/P |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm - same | TQFP-44 (PT) 10x10 mm - same | QFN-44 (ML) - different | QFN-44 (ML) - different | PDIP-40 (P) - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +125 C (Extended) |
| Flash Memory | 14 KB | 14 KB (same) | 14 KB (same) | 14 KB (same) | 14 KB (same) | 14 KB (same) |
| Maximum CPU Speed | 32 MHz | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) |
| I/O Pins | Up to 36 | Up to 36 (same) | Up to 36 (same) | Up to 36 (same) | Up to 28 (lower pin-count variant) | Up to 36 (PDIP-40) |
| Functional Safety (FuSa) | Yes (CRC/SCAN, HLT) | Yes (same) | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
주요 차별점
- Wider industrial temperature range vs base PIC16F18875 grade (vs PIC16F18875-E/PT)
- Identical silicon in Tape & Reel packaging for high-volume assembly (vs PIC16F18875T-I/PT)
- TQFP-44 with 36 I/O pins, Functional Safety FuSa peripherals (vs PIC16F18855-I/ML)
설계 노트
Place a 100 nF decoupling capacitor within 3 mm of each VDD/VSS pair (pins 11/12 and 19/20 area) and add a bulk 10 uF tantalum or ceramic capacitor near the VDD power entry point. The PIC16F18875-I/PT's internal POR circuit requires VDD rise time below 1 ms per the Microchip datasheet (DS40001945); if a slow-rising supply is used, hold MCLR low until VDD stabilizes.
Route the ICSP clock (ICSPCLK, pin 26 / RB6) and data (ICSPDAT, pin 27 / RB7) traces as a differential pair with ground shielding, kept under 50 mm total length for reliable programming. The TQFP-44 land pattern requires 0.8 mm pitch pads with solder mask slivers between pads - verify the PCB manufacturer's minimum mask web capability before tape-out, and use ENIG or OSP finish for better wetting on the 0.4 mm-wide pads.
Unused I/O pins must be configured as outputs driving low (or inputs with weak pull-up enabled) to minimize quiescent current - floating inputs can source up to 1 mA per pin through the input structure. Also note that pins marked NC on the TQFP-44 package (pins 42-44 area depending on the specific die) must not be bonded to PCB traces, because they may be reserved for die-revision variants. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD if not driven externally.
Estimated: at full CPU load (32 MHz), all peripherals active, and 5.5 V supply, the PIC16F18875-I/PT consumes approximately 12 mA (66 mW). On the TQFP-44 (PT) with theta_JA around 50 C/W per the package thermal profile, the junction temperature rise is roughly 8 C above ambient, leaving ~67 C margin under the 125 C absolute maximum. No heatsink is required for typical IoT or appliance designs but industrial -40 C to +85 C ambient derating should account for ventilation loss.
When using the on-chip op-amp peripherals to condition low-impedance bridge sensors, route the op-amp output (OPA1OUT pin) directly to the ADCC input with no intermediate vias to minimize parasitic capacitance and avoid ADC acquisition-time errors. For long traces (>25 mm) on the analog inputs, add a 100 pF capacitor to ground close to the ADC pin to filter RF noise; the ADCC acquisition time should be set to at least 2 us when the source impedance exceeds 5 kohm.
규정 준수 정보
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (automotive AEC-Q100 requires PIC16F18875T-I/PT with -VAO or similar automotive suffix). Functional Safety ready for IEC 60730 Class B with on-chip CRC/SCAN and HLT peripherals.