PIC16F18875T-I/PTVAO - 32MHz 8-bit MCU 14KB Flash TQFP-44 | Microchip
N.º da peça: PIC16F18875T-I/PTVAO ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.95 | $2,95 |
| 10 | $2.66 | $26,60 |
| 100 | $2.36 | $236,00 |
| 500 | $2.1 | $1.050,00 |
| 1.000 | $1.87 | $1.870,00 |
| 3.000 | $1.62 | $4.860,00 |
PIC16F18875T-I/PTVAO Visão geral
A PIC microcontroller (MCU) is a compact, self-contained computing element built around a RISC or Harvard core, integrating CPU, non-volatile program memory, volatile data memory, peripherals, and I/O on a single die. The PIC16 architecture falls within the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. Within the Microchip portfolio, the PIC16 family sits between the 8-bit baseline PIC10/12/14 devices and the 16-bit dsPIC/PIC24 line, and is widely used for cost-sensitive general-purpose embedded control.
Key differentiating features of the PIC16F18875 include the ADC with MathPak accelerator, Windowed Watchdog Timer (WWDT), CRC/SCAN, the eXtreme Low Power (XLP) technology with sleep currents down to nanoamp levels, and 5-bit DAC modules. The device also integrates Complementary Waveform Generators (CWG), Configurable Logic Cells (CLC), Signal Measurement Timer (SMT), and Peripheral Pin Select (PPS) for flexible routing of digital peripherals to physical pins, reducing board complexity.
Architecturally, the PIC16F18875 uses a 16-bit instruction word / 14-bit opcode RISC core with a hardware stack, instruction prefetch, and deterministic interrupt response. The CIPs offload tasks such as signal generation, waveform control, and logic functions from the CPU, enabling responsive control loops and lower power consumption. The high-resolution ADC and op-amp peripherals support sensor conditioning directly on-chip.
Typical applications include automotive body and lighting controllers, HVAC fan and sensor hubs, white goods and small appliances, low-power IoT sensor nodes, battery-powered metering, LED lighting control, and general-purpose industrial control. The AEC-Q100 qualification with Functional Safety support makes it suitable for safety-relevant automotive subsystems when used within an FuSa development process.
When designing with this MCU, ensure the device is supplied within 1.8V-5.5V, use decoupling on VDD/AVDD/VBAT, and consult the MPLAB XC8 compiler toolchain for code generation. The PPS feature requires careful mapping during firmware initialization to avoid conflicts. For automotive deployments, follow the FuSa documentation package supplied by Microchip and pair with the MPLAB Snap or PICkit 4 for programming and debug.
This page synthesizes distributor pricing, AEC-Q100 drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC16F18875T-I/PTVAO — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC16F18875T-I/PTVAO (mesmo formato e footprint) — diferindo em Package, Operating Temperature, ADC, Program Memory (Flash), Core.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16F18875-I/PTVAO
✅ Drop-In✓ Em estoque
$2.74 / unidade
Ver ficha técnica →PIC16F18875-E/PTVAO
✅ Drop-In✓ Em estoque
$1.95 / unidade
Ver ficha técnica →PIC16F18875-E/PT
✅ Drop-In✓ Em estoque
$1.42 / unidade
Ver ficha técnica →PIC16F18857-I/SSVAO
✅ Drop-In✓ Em estoque
$2.18 / unidade
Ver ficha técnica →PIC16F18875-E/P
✅ Drop-In✓ Em estoque
$1.74 / unidade
Ver ficha técnica →PIC16F18875T-I/PTVAO Classificações máximas e características elétricas
| Core Processor | PIC |
| Core Size | 8-bit |
| Maximum CPU Speed | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14) |
| RAM | 1 KB (1024 bytes) |
| Data EEPROM | 256 bytes |
| I/O Pins | 36 |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Temperatura de operação | -40 C to +85 C (Industrial) |
| Encapsulamento | 44-pin TQFP (10x10 mm) |
| Tipo de montagem | Surface Mount (Gull Wing) |
| Series | PIC XLP 16F, Functional Safety (FuSa), Automotive AEC-Q100 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, ADC, DAC, CWG, CLC, SMT, PPS, WWDT |
| Connectivity | I2C, SPI, UART/USART |
| ADC | On-chip (ADC with MathPak accelerator) |
| Status RoHS | Compliant |
| Nível de sensibilidade à umidade (MSL) | 3 (168 hours) |
Configuração de pinos do PIC16F18875T-I/PTVAO
| Pino 1 | RA0 — Digital I/O / analog input / CCP |
| Pino 2 | RA1 — Digital I/O / analog input / CCP |
| Pino 3 | RA2 — Digital I/O / analog input / DAC output |
| Pino 4 | RA3 — Digital I/O / analog input / VREF+ |
| Pino 5 | RA4 — Digital I/O / analog input / T0CKI |
| Pino 6 | RA5 — Digital I/O / analog input / SS |
| Pino 7 | RA6 — Digital I/O / analog input / OSC2 |
| Pino 8 | RA7 — Digital I/O / analog input / OSC1 |
| Pino 9 | VSS — Ground |
| Pino 10 | VDD — Positive supply |
| Pino 11 | RB0 — Digital I/O / interrupt-on-change |
| Pino 12 | RB1 — Digital I/O / interrupt-on-change |
| Pino 13 | RB2 — Digital I/O / interrupt-on-change |
| Pino 14 | RB3 — Digital I/O / interrupt-on-change |
| Pino 15 | RB4 — Digital I/O / interrupt-on-change |
| Pino 16 | RB5 — Digital I/O / interrupt-on-change |
| Pino 17 | RB6 — Digital I/O / ICSP programming clock |
| Pino 18 | RB7 — Digital I/O / ICSP programming data |
| Pino 19 | RC0 — Digital I/O |
| Pino 20 | RC1 — Digital I/O |
| Pino 21 | RC2 — Digital I/O |
| Pino 22 | RC3 — Digital I/O / SCL |
| Pino 23 | RC4 — Digital I/O / SDA |
| Pino 24 | RC5 — Digital I/O |
| Pino 25 | RC6 — Digital I/O / TX |
| Pino 26 | RC7 — Digital I/O / RX |
| Pino 27 | RE3 — Digital I/O / MCLR |
| Pino 28 | RD0 — Digital I/O |
| Pino 29 | RD1 — Digital I/O |
| Pino 30 | RD2 — Digital I/O |
| Pino 31 | RD3 — Digital I/O |
| Pino 32 | RD4 — Digital I/O |
| Pino 33 | RD5 — Digital I/O |
| Pino 34 | RD6 — Digital I/O |
| Pino 35 | RD7 — Digital I/O |
| Pino 36 | AVSS — Analog ground |
| Pino 37 | AVDD — Analog positive supply |
| Pino 38 | RE0 — Digital I/O / analog input |
| Pino 39 | RE1 — Digital I/O / analog input |
| Pino 40 | RE2 — Digital I/O / analog input |
| Pino 41 | RF0 — Digital I/O |
| Pino 42 | RF1 — Digital I/O |
| Pino 43 | RF2 — Digital I/O |
| Pino 44 | RF3 — Digital I/O |
Aplicações típicas
PIC16F18875T-I/PTVAO é adequado para 6 aplicaçãos: Automotive Body and Lighting Controllers, HVAC Fan and Sensor Hub, White Goods and Small Appliances, Battery-Powered IoT Sensor Nodes, LED Lighting and Architectural Control, Industrial Control and Sensor Conditioning.
Automotive Body and Lighting Controllers
The PIC16F18875T-I/PTVAO fits automotive body controllers because of its AEC-Q100 qualification, Functional Safety (FuSa) documentation package, and integrated peripherals that drive LED loads and sense switches. Its 14KB Flash holds body-control algorithms plus CAN/LIN stacks via the on-chip UART, while the CWG and PWM peripherals drive exterior and interior LEDs with hardware-generated dimming, offloading the CPU. The 36 I/O pins support multiple switch-scan matrices and H-bridge pre-drivers, and XLP nanoamp sleep currents keep quiescent battery drain below typical automotive parasitic budgets. The TQFP-44 package eases inspection and rework on production lines.
Recomendado
HVAC Fan and Sensor Hub
The PIC16F18875T-I/PTVAO works well in HVAC fan-control boards because the 32 MHz core, 10-bit ADC with MathPak, and CWG peripherals handle closed-loop fan speed control and sensor readout in a single IC. Its 14KB Flash holds look-up tables for fan curves and protection algorithms; the WWDT and CRC/SCAN peripherals provide functional safety primitives. The 36 I/O pins accept multiple temperature, pressure, and humidity sensors while also driving triac outputs or BLDC FET bridges. Operating from 1.8V to 5.5V allows direct 3.3V or 5V supply rails common in HVAC controllers.
Recomendado
White Goods and Small Appliances
The PIC16F18875T-I/PTVAO suits washing machine, dishwasher, and microwave user-interface boards because the CIPs (CLC, CWG, SMT) handle button scanning, encoder reading, and buzzer generation without CPU intervention. Its 14KB Flash supports menu logic plus diagnostics, and the 1KB RAM accommodates LCD frame buffers for typical 7-segment or dot-matrix displays. The AEC-Q100 qualification also lets designers reuse the same firmware on premium appliance lines that target higher reliability levels. XLP sleep modes help meet energy-star standby targets.
Recomendado
Battery-Powered IoT Sensor Nodes
The PIC16F18875T-I/PTVAO fits battery-powered sensor nodes thanks to its eXtreme Low Power (XLP) technology with sleep currents in the nanoamp range, allowing multi-year coin-cell operation when paired with a low duty-cycle wake schedule. Its 14KB Flash supports LoRaWAN-style MAC stacks via SPI, while the 10-bit ADC reads analog sensors such as thermistors, photodiodes, or electrochemical cells. The 36 I/O pins handle multiple sensor inputs and a wake-up interrupt source, and the integrated AES peripheral (in selected variants) secures wireless payloads.
Recomendado
LED Lighting and Architectural Control
The PIC16F18875T-I/PTVAO drives multi-channel LED lighting because the CWG, PWM, and SMT peripherals generate accurate phase-shifted dimming and color-mixing waveforms in hardware. Its 32 MHz CPU sustains DMX-512 or DALI receive parsing while offloading LED refresh to the CWG, freeing the CPU for diagnostics and over-temperature protection. The 36 I/O pins easily support 4-6 independent LED strings plus keypad inputs. The TQFP-44 package simplifies hand-soldered prototype assembly for fixture designers.
Recomendado
Industrial Control and Sensor Conditioning
The PIC16F18875T-I/PTVAO fits industrial PLC-style I/O modules because the 10-bit ADC with MathPak plus on-chip op-amp front-ends condition 4-20 mA and 0-10 V sensor signals directly, reducing external analog components. Its 14KB Flash supports Modbus RTU or IO-Link stacks via UART, and 36 I/O pins accommodate multi-channel inputs and isolated outputs. The WWDT and CRC/SCAN peripherals aid in IEC 61508 SIL-1 functional safety paths when used with the Microchip FuSa package, and the -40C to +85C industrial range covers most factory environments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16F18875T-I/PTVAO — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16F18875-I/PTVAO | PIC16F18875-E/PTVAO | PIC16F18875-E/PT | PIC16F18857-I/SSVAO | PIC16F18875-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | SSOP-28 - smaller | DIP-40 - different footprint |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| I/O Pins | 36 | 36 | 36 | 36 | ~24 | 36 |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Industrial (-40C to +85C) | Extended (-40C to +125C) |
| Functional Safety (FuSa) | Yes | Yes | Yes | No | Yes | No |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
Principais diferenciais
- Functional Safety documentation package (vs PIC16F18875-E/PT)
- 36 I/O pins for maximum connectivity (vs PIC16F18857-I/SSVAO)
- Industrial temperature grade with full AEC-Q100 qualification (vs PIC16F18875-E/PTVAO)
Notas de projeto
Decouple VDD with a 100 nF X7R ceramic placed within 5 mm of the VDD pin (TQFP-44 pin 10), and add a bulk 10 uF tantalum or aluminum-polymer near the IC for transient load response. Provide a separate AVDD filter (10 ohm + 100 nF + 10 uF) to isolate the analog regulator from digital switching noise. For battery-powered IoT designs, route the WDT wakeup through the RTC timer and minimize active CPU time to <1% duty cycle to leverage the nanoamp-range XLP sleep currents.
TQFP-44 (10x10 mm) requires a 0.8 mm pitch land pattern with at least 0.2 mm annular ring per JEDEC MS-026. Use a 4-layer stack-up with a continuous ground plane beneath the device to provide thermal spreading and return paths for the high-frequency CWG outputs. Expose the central thermal pad to a 4x4 via array tied to the ground plane for heatsinking; even at moderate switching loads the junction temperature can rise 30 C without this copper area.
The Peripheral Pin Select (PPS) feature must be unlocked and remapped in firmware before using peripherals such as UART, SPI, or CWG on most pins - omitting this step causes silent peripheral failure. Always configure the PPS registers immediately after Reset, and lock them again after configuration to prevent runaway writes. The MCLR pin (RE3) must be pulled high via 10 kohm; leaving it floating can cause intermittent resets in electrically noisy automotive environments. When using the on-chip op-amp and ADC together, enable the dedicated ADC channel sequence to avoid spurious channels.
Informações de conformidade
AEC-Q100 qualified per Microchip product family listing. RoHS compliant per distributor product pages. The -I suffix denotes Industrial temperature grade (-40C to +85C); for Extended grade (-40C to +125C), choose the -E suffix variants. Functional Safety (FuSa) documentation is included for safety-related system development.