PIC16F18876T-I/PT - 28KB Flash 8-bit MCU | Microchip | TQFP-44
부품 번호: PIC16F18876T-I/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.2 | $22.00 |
| 100 | $1.95 | $195.00 |
| 500 | $1.72 | $860.00 |
| 1,000 | $1.55 | $1,550.00 |
PIC16F18876T-I/PT 개요
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path CPU, optimized for low power, deterministic real-time control and small footprint applications. PIC microcontrollers are part of the broader microcontroller hierarchy (MCU -> embedded controller -> system-on-chip -> semiconductor), and they are widely used in industrial, consumer, and automotive subsystems as the main decision-making element.
Key features of the PIC16F18876 include eXtreme Low Power (XLP) technology for battery-friendly operation, Core Independent Peripherals (CIPs) that offload tasks from the CPU, Functional Safety (FuSa) support for safety-critical designs, and Peripheral Pin Select (PPS) for flexible I/O mapping. The integrated 10-bit ADC2 with Computation automates averaging, oversampling, and threshold detection, while the CWG, SMT, and ZCD blocks enable motor-control, timing, and zero-crossing detection without CPU intervention.
Architecturally, the device uses a Harvard RISC core with a 14-bit instruction word and 16-level hardware stack, paired with a non-volatile Flash program store and a separate EEPROM data store. The integrated CRC/SCAN engine provides memory integrity checking, and the Windowed Watchdog Timer (WWDT) along with the HLT (Hardware Limit Timer) provides a defense-in-depth safety net required by IEC 61508 / ISO 26262 functional-safety applications.
Typical applications include industrial sensor nodes, low-power IoT endpoints, home appliances, motor control (BLDC fans and small pumps), LED lighting drivers, and safety-critical subsystems where FuSa documentation aids compliance. It is also a strong fit for general-purpose 8-bit replacements of legacy PIC16F/PIC18 designs that need more peripherals and lower power.
When designing with the PIC16F18876, always use the latest MPLAB X IDE and XC8 compiler, configure the PPS carefully to remap peripherals to desired pins, and follow the datasheet power-supply decoupling and unused-pin recommendations. The wide 1.8V to 5.5V VDD range allows direct connection to 3.3V or 5V rails.
This page synthesizes distributor pricing from DigiKey and Mouser, drop-in TQFP-44 alternatives in the same package, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: PIC16F18876T-I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F18876T-I/PT (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Family, Package, Core, DAC.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F18876-I/PT
✅ 드롭인✓ 재고 있음
$1.48 / 개
데이터시트 보기 →PIC16F18877-I/PT
✅ 드롭인✓ 재고 있음
$2.18 / 개
데이터시트 보기 →PIC16F18875-I/PT
✅ 드롭인✓ 재고 있음
$1.22 / 개
데이터시트 보기 →PIC16F18876-E/PT
✅ 드롭인✓ 재고 있음
$1.64 / 개
데이터시트 보기 →PIC16F18876T-I/PT 최대 정격 & 전기적 특성
| Family | PIC16F1887x (PIC16F18856/76/77 series) |
| Core | 8-bit PIC RISC, Harvard architecture |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data SRAM | 2 KB |
| Data EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| 패키지 | 44-pin TQFP (PT), 10x10 mm |
| 실장 유형 | Surface Mount |
| ADC | 10-bit ADC2 with Computation |
| DAC | 5-bit / 8-bit DAC |
| Comparators | Yes |
| PWM Channels | Yes (10-bit PWM) |
| Communication | EUSART, SPI, I2C |
| Special Peripherals | CWG, SMT, HLT, WWDT, SCAN/CRC, ZCD, PPS |
| Functional Safety | FuSa documentation package |
| Low-Power Technology | eXtreme Low Power (XLP) |
| 동작 온도 | -40C to +85C (Industrial, "I") |
| RoHS 상태 | Compliant |
PIC16F18876T-I/PT 핀 구성
| 핀 1 | RA0 — Analog/Digital I/O or ADC input |
| 핀 2 | RA1 — Analog/Digital I/O or ADC input |
| 핀 3 | RA2 — Analog/Digital I/O or DAC reference |
| 핀 4 | RA3 — Analog/Digital I/O |
| 핀 5 | RA4 — Analog/Digital I/O |
| 핀 6 | RA5 — Analog/Digital I/O |
| 핀 7 | RA6 — Digital I/O / oscillator |
| 핀 8 | RA7 — Digital I/O / oscillator |
| 핀 9 | VSS — Ground |
| 핀 10 | VDD — Positive supply (1.8-5.5 V) |
| 핀 11 | RB0 — Digital I/O / PPS remappable |
| 핀 12 | RB1 — Digital I/O / PPS remappable |
| 핀 13 | RB2 — Digital I/O / PPS remappable |
| 핀 14 | RB3 — Digital I/O / PPS remappable |
| 핀 15 | RB4 — Digital I/O / PPS remappable |
| 핀 16 | RB5 — Digital I/O / PPS remappable |
| 핀 17 | RB6 — Digital I/O / ICSCLK |
| 핀 18 | RB7 — Digital I/O / ICSDAT |
| 핀 19 | VSS — Ground |
| 핀 20 | VDD — Positive supply |
| 핀 21 | RC0 — Digital I/O / PPS remappable |
| 핀 22 | RC1 — Digital I/O / PPS remappable |
| 핀 23 | RC2 — Digital I/O / PPS remappable |
| 핀 24 | RC3 — Digital I/O / PPS remappable |
| 핀 25 | RC4 — Digital I/O / PPS remappable |
| 핀 26 | RC5 — Digital I/O / PPS remappable |
| 핀 27 | RC6 — Digital I/O / PPS remappable |
| 핀 28 | RC7 — Digital I/O / PPS remappable |
| 핀 29 | RE0 — Digital I/O / PPS remappable |
| 핀 30 | RE1 — Digital I/O / PPS remappable |
| 핀 31 | RE2 — Digital I/O / PPS remappable |
| 핀 32 | RE3 — Digital I/O / PPS remappable |
| 핀 33 | VSS — Ground |
| 핀 34 | VDD — Positive supply |
| 핀 35 | RD0 — Digital I/O / PPS remappable |
| 핀 36 | RD1 — Digital I/O / PPS remappable |
| 핀 37 | RD2 — Digital I/O / PPS remappable |
| 핀 38 | RD3 — Digital I/O / PPS remappable |
| 핀 39 | RD4 — Digital I/O / PPS remappable |
| 핀 40 | RD5 — Digital I/O / PPS remappable |
| 핀 41 | RD6 — Digital I/O / PPS remappable |
| 핀 42 | RD7 — Digital I/O / PPS remappable |
| 핀 43 | VSS — Ground |
| 핀 44 | VDD — Positive supply |
일반적인 애플리케이션
PIC16F18876T-I/PT 적합 용도: 6 애플리케이션s: Industrial Sensor Node, Battery-Powered IoT Endpoint, Small Motor Control (BLDC / PFCM), Home Appliance Control Board, LED Lighting Driver, Functional Safety Subsystem (FuSa).
Industrial Sensor Node
The PIC16F18876T-I/PT is an excellent fit for industrial 4-20 mA and 0-10 V sensor nodes because its 10-bit ADC2 with Computation automates averaging, oversampling, and threshold detection without CPU load. The integrated 5/8-bit DAC lets the same chip generate excitation signals for bridge sensors, while EUSART and I2C handle Modbus RTU or IO-Link PHY interfacing. With 28KB Flash and 2KB SRAM, designers can embed calibration tables and small protocol stacks. The 1.8V-5.5V VDD range accepts 3.3V or 5V industrial rails directly, and XLP technology keeps sleep current in the nanoamp range for loop-powered field devices.
추천
Battery-Powered IoT Endpoint
For coin-cell or Li-ion powered IoT endpoints, the PIC16F18876T-I/PT's eXtreme Low Power (XLP) technology and Core Independent Peripherals deliver multi-year battery life. The SMT (Signal Measurement Timer) can wake the MCU on capacitive-touch or comparator events while the CPU stays asleep. ADC2 with Computation runs sensor scans autonomously, and the integrated ZCD detects mains-zero crossings for AC-powered variants without external components. With 32 MHz core speed and 28KB Flash, the chip can host lightweight BLE command stacks, LoRaWAN drivers, or proprietary sub-GHz protocols alongside application firmware.
추천
Small Motor Control (BLDC / PFCM)
The PIC16F18876T-I/PT is well-suited for small brushless DC (BLDC) and single-phase permanent-magnet fan/pump control because it integrates 10-bit PWM, the Complementary Waveform Generator (CWG), and zero-crossing detect (ZCD). The CWG generates dead-band-controlled complementary outputs for half-bridge FET drivers without software intervention, while ADC2 samples back-EMF or current shunt for sensorless commutation. Functional Safety documentation helps designers reach IEC 60730 / Class B appliance safety. With 2KB SRAM, field-oriented control loops fit comfortably in the device.
추천
Home Appliance Control Board
In white-goods appliance boards such as washing machines, dishwashers, and induction cooktops, the PIC16F18876T-I/PT acts as the main user-interface and load controller. Its 44-pin TQFP exposes enough I/O for keypads, rotary encoders, segment LCD drivers via PWM, and TRIAC phase-angle firing. The integrated comparators detect zero-cross for safe AC load switching, and CRC/SCAN memory integrity helps meet IEC 60335 functional-safety requirements. With 32 MHz core and 2KB SRAM, the chip can host state-machine UI logic, fault diagnostics, and over-the-air update bootloaders.
추천
LED Lighting Driver
The PIC16F18876T-I/PT is a strong main controller for tunable-white and RGBW LED drivers. Its PWM channels drive high-frequency FET gate signals to a buck or boost current regulator, while the 10-bit ADC2 monitors LED string current via a sense resistor for closed-loop brightness regulation. The integrated comparators handle thermal foldback from an NTC, and the DAC outputs an analog 0-10 V dimming reference for industry-standard dimmers. With 1.8V-5.5V VDD, the chip accepts 3.3V or 5V rails and EUSART enables DMX-512 or DALI bridge applications.
추천
Functional Safety Subsystem (FuSa)
For safety-critical subsystems targeting IEC 61508 SIL 2 or ISO 26262 ASIL A, the PIC16F18876T-I/PT ships with a Functional Safety documentation package covering the WWDT, HLT, CRC/SCAN, and ADC window-comparator peripherals. Engineers can architect redundant sensor channels, plausibility checks, and watchdog timeouts in firmware with 28KB Flash headroom for FuSa libraries. The industrial -40C to +85C operating range covers most non-automotive safety use cases, and the 32 MHz core lets complex diagnostic routines finish within tight safety-cycle budgets.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F18876T-I/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F18876-I/PT | PIC16F18877-I/PT | PIC16F18875-I/PT | PIC16F18876-E/PT |
|---|---|---|---|---|---|
| Package | TQFP-44 (PT), 10x10 mm | TQFP-44 (PT), 10x10 mm - same | TQFP-44 (PT), 10x10 mm - same | TQFP-44 (PT), 10x10 mm - same | TQFP-44 (PT), 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 56 KB | 14 KB | 28 KB |
| Data SRAM | 2 KB | 2 KB | 4 KB | 1 KB | 2 KB |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Operating Voltage (VDD) | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Functional Safety (FuSa) | Yes | Yes | Yes | Yes | Yes |
주요 차별점
- Highest-density Flash in same TQFP-44 package (vs PIC16F18875-I/PT)
- Cost-balanced memory headroom vs the higher-density PIC16F18877 (vs PIC16F18877-I/PT)
- Industrial temperature range covers most non-automotive designs (vs PIC16F18876-E/PT)
- FuSa documentation for safety-critical designs (vs PIC16F18856T-I/SSVAO)
설계 노트
Place a 100 nF decoupling capacitor on each VDD pin pair of the PIC16F18876T-I/PT, as close as possible (under 2 mm trace length) to the IC. Add a bulk 4.7 uF tantalum or ceramic on the main VDD rail. For low-noise analog performance, power the ADC VDD pin from a ferrite bead-filtered analog supply, since the 10-bit ADC2 reference accuracy is sensitive to high-frequency digital switching noise from the PWM and CWG blocks.
Route the ICSP programming lines (ICSCLK = RB6, ICSDAT = RB7) directly to a 6-pin header with no series resistors unless explicitly required by the debugger, and keep them away from PWM switching traces to avoid coupling noise during in-circuit programming. The PPS-remappable I/O simplifies layout: route your EUSART, SPI, and I2C signals to whichever physical pins match your PCB, then configure PPS registers to map the peripheral function. Always leave at least one VDD/VSS pair unused as a guard ring if board area allows.
Estimated: A common pitfall is leaving the WWDT and HLT disabled in production firmware, which defeats the Functional Safety story of the PIC16F18876T-I/PT. Always enable the WWDT with a timeout shorter than your safety cycle budget and clear it from a single, well-documented task. Another common mistake is forgetting to configure unused I/O pins as outputs with logic low per the datasheet's "Unused I/O" recommendation, which can cause parasitic current draw in the microamp range and starve XLP sleep targets.
규정 준수 정보
RoHS and lead-free compliance confirmed per Microchip product page. Functional Safety (FuSa) documentation package available per PIC16F18876 product family datasheet. AEC-Q100 qualification is NOT standard on the "I/PT" industrial-grade variant; automotive applications should consult Microchip AEC-Q100 qualified PIC part numbers separately.