PIC16F882-I/SS - 8-bit MCU, 20MHz, 3.5KB Flash, 28-SSOP
N.º da peça: PIC16F882-I/SS ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.65 | $2,65 |
| 10 | $2.35 | $23,50 |
| 100 | $1.95 | $195,00 |
| 500 | $1.62 | $810,00 |
| 1.000 | $1.38 | $1.380,00 |
PIC16F882-I/SS Visão geral
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash/ROM), peripherals (ADC, timers, communication), and I/O into one package. PIC16 mid-range MCUs sit between baseline PIC10/12 and enhanced PIC18 in Microchip's taxonomy, and are widely used in cost-sensitive embedded control. The PIC16F882 belongs to the PIC16F88x sub-family which is widely second-sourced and pin-compatible across PIC16F882/883/884/886/887, allowing code and PCB reuse.
Key features: 20MHz internal/external clock via HFINTOSC + PLL or external crystal; nanoWatt technology for low-power sleep (50nA typical); wide 2.0V-5.5V operating range suitable for 2xAA battery and 5V rails; ICD support for in-circuit debugging via PGD/PGC; 10-bit ADC with internal fixed voltage reference; and a 25mA source/sink per I/O pin for direct LED drive.
The architecture is a Harvard RISC core with separate program and data buses and a hardware stack. The 14-bit instruction word with 35 instructions yields C-friendly code density; the Flash program memory supports self-programming under firmware control, enabling bootloader-based field updates. Brown-out Reset (BOR), Power-on Reset (POR), and Watchdog Timer with dedicated oscillator improve reliability in industrial environments.
Typical applications include consumer appliance controls, battery chargers, small motor control (fans, pumps), sensor signal conditioning with on-chip ADC, lighting ballasts, and remote control transmitters. The wide voltage range and nanoWatt sleep modes extend use to energy-harvesting and IoT edge nodes. The 28-SSOP footprint is compatible with hand-solderable and reflow profiles.
Design consideration: allow at least 6mm of copper under the SSOP for thermal dissipation if driving heavy loads on multiple I/O, since the 28-SSOP has limited theta_JA. Configure the CONFIG words (oscillator, WDT, BOR, code protection) at the start of every new firmware project.
This page synthesizes distributor pricing, same-family PIC16F88x drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC16F882-I/SS — 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 PIC16F882-I/SS (mesmo formato e footprint) — diferindo em Timers, Package, Operating Temperature, Program Memory (Flash), I/O Pins.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16F882T-I/SS
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16F882-E/SS
✅ Drop-In✓ Em estoque
$1.49 / unidade
Ver ficha técnica →PIC16F883-I/SS
✅ Drop-In✓ Em estoque
$1.74 / unidade
Ver ficha técnica →PIC16F886-I/SS
✅ Drop-In✓ Em estoque
$1.81 / unidade
Ver ficha técnica →PIC16F887-I/SS
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16F872-I/SS
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC16F882-I/SS Classificações máximas e características elétricas
| Architecture | PIC16 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data EEPROM | 128 bytes |
| Data SRAM | 128 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle | 200 ns |
| Tensão de alimentação | 2.0 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 10-bit, 12 channels |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Comparators | 2 |
| Communication | EUSART + MSSP (SPI/I2C) |
| CCP/PWM Modules | 1 (Enhanced CCP) |
| Temperatura de operação | -40C to +85C (Industrial) |
| Encapsulamento | 28-SSOP (5.30 mm) |
| Status RoHS | Compliant |
Configuração de pinos do PIC16F882-I/SS
| Pino 1 | RA7/OSC1/CLKI — GPIO RA7 / Crystal oscillator input / External clock input |
| Pino 2 | RA6/OSC2/CLKO — GPIO RA6 / Crystal oscillator output / Clock output |
| Pino 3 | RA5/MCLR/VPP — GPIO RA5 / Master Clear (reset) / Programming voltage input |
| Pino 4 | RA4/AN4/C1OUT — GPIO RA4 / Analog input 4 / Comparator 1 output |
| Pino 5 | RA3/AN3/C1IN+/VREF+ — GPIO RA3 / Analog input 3 / Comparator 1 non-inverting input / ADC VREF+ |
| Pino 6 | RA2/AN2/C1IN- — GPIO RA2 / Analog input 2 / Comparator 1 inverting input |
| Pino 7 | RA1/AN1/C2IN+/ICSPCLK — GPIO RA1 / Analog input 1 / Comparator 2 non-inverting / ICD clock |
| Pino 8 | RA0/AN0/C2IN-/ICSPDAT — GPIO RA0 / Analog input 0 / Comparator 2 inverting / ICD data |
| Pino 9 | VSS — Ground |
| Pino 10 | RA8/C2OUT — GPIO RA8 / Comparator 2 output |
| Pino 11 | RC7/RX/DT — GPIO RC7 / EUSART RX / Synchronous data |
| Pino 12 | RC6/TX/CK — GPIO RC6 / EUSART TX / Synchronous clock |
| Pino 13 | RC5/SDO — GPIO RC5 / SPI data out |
| Pino 14 | RC4/SDI/SDA — GPIO RC4 / SPI data in / I2C data |
| Pino 15 | RC3/SCL/SCK — GPIO RC3 / I2C clock / SPI clock |
| Pino 16 | RC2/P1A/CCP1 — GPIO RC2 / Enhanced CCP1 output / PWM P1A |
| Pino 17 | RC1/P1B/CCP2 — GPIO RC1 / Enhanced CCP1 P1B / CCP2 input |
| Pino 18 | RC0 — GPIO RC0 |
| Pino 19 | RB7/PGD — GPIO RB7 / ICD data line |
| Pino 20 | RB6/PGC — GPIO RB6 / ICD clock line |
| Pino 21 | RB5/AN13 — GPIO RB5 / Analog input 13 |
| Pino 22 | RB4/AN11 — GPIO RB4 / Analog input 11 |
| Pino 23 | RB3/AN9/CCP2 — GPIO RB3 / Analog input 9 / CCP2 input |
| Pino 24 | RB2/AN8 — GPIO RB2 / Analog input 8 |
| Pino 25 | RB1/AN10 — GPIO RB1 / Analog input 10 |
| Pino 26 | RB0/AN12/INT — GPIO RB0 / Analog input 12 / External interrupt |
| Pino 27 | VDD — Positive supply voltage |
| Pino 28 | VSS — Ground |
Aplicações típicas
PIC16F882-I/SS é adequado para 6 aplicaçãos: Consumer Appliance Control, Battery Charger & Power Management, Sensor Signal Conditioning & IoT Edge Nodes, Small Motor Control (Fans, Pumps, Valves), Lighting Ballast & LED Driver Control, Industrial Sensor Transmitters & 4-20mA Loops.
Consumer Appliance Control
The PIC16F882-I/SS is well-suited to consumer appliance control boards (coffee makers, blenders, microwave keypads) where cost, I/O count, and reliability are critical. The part's 25 GPIO at 25mA source/sink directly drive LED indicators, seven-segment displays, and small relays without external drivers. The 10-bit ADC with 12 channels reads keypad matrix, temperature sensors (NTC), and humidity sensors. nanoWatt technology with 50nA typical sleep extends battery life on battery-backed appliance clocks and remote-control units. The 28-SSOP footprint is hand-solderable, easing field service repairs, and Microchip's free XC8 compiler keeps BOM cost low for high-volume SKUs.
Recomendado
Battery Charger & Power Management
The PIC16F882-I/SS's 2.0V-5.5V operating range covers both 2-cell alkaline/NiMH packs and single-cell Li-ion applications, while the 10-bit ADC with internal fixed voltage reference measures battery voltage and charge current with sufficient resolution for CC/CV profile control. The EUSART interfaces with host displays or fuel-gauge ICs; the MSSP I2C master talks to SMBus chargers and fuel gauges. nanoWatt sleep currents down to 50nA allow the MCU to monitor charge state continuously while consuming negligible battery. The 25 GPIO drive LEDs for status indication without external transistors, reducing BOM cost.
Recomendado
Sensor Signal Conditioning & IoT Edge Nodes
In IoT edge nodes and sensor-conditioning modules, the PIC16F882-I/SS integrates sensor readout, local processing, and host communication in one chip. The 12-channel 10-bit ADC reads multiple analog sensors (temperature, light, pressure) while the EUSART/MSSP forwards processed data to a wireless module or master MCU. The wide 2.0V-5.5V supply supports battery and energy-harvesting power; the nanoWatt sleep modes with peripheral-disable enable duty-cycled sampling at sub-mA average current. The PIC16F882-I/SS thus provides an ideal bridge between analog sensor front-ends and digital IoT backbones for applications like HVAC, agriculture, and industrial monitoring.
Recomendado
Small Motor Control (Fans, Pumps, Valves)
For low-voltage DC motor control in fans, water pumps, and solenoid valves, the PIC16F882-I/SS offers an Enhanced CCP module generating PWM up to 20MHz / 10-bit resolution for speed control. The two on-chip comparators implement hardware over-current protection with current-sense amplifiers, while the 10-bit ADC reads tachometer feedback for closed-loop RPM regulation. Drive signals come directly from GPIO at 25mA for low-side MOSFET switches, or via small gate drivers for higher currents. nanoWatt sleep modes support battery-powered and remote-install pump controllers.
Recomendado
Lighting Ballast & LED Driver Control
Lighting ballasts and LED-driver controllers benefit from the PIC16F882-I/SS combination of PWM (ECCP module), 12-channel ADC for current/voltage sensing, and EUSART/MSSP for DALI or 0-10V dimming interfaces. The 20MHz core executes dimming curve calculations in real time while 25 GPIO drive status LEDs and segment displays. nanoWatt technology keeps standby power below regulatory limits (ENERGY STAR, ErP), and the wide 2.0V-5.5V supply supports both 3.3V and 5V driver topologies. Flash self-programming enables firmware updates for evolving dimming standards.
Recomendado
Industrial Sensor Transmitters & 4-20mA Loops
In industrial 4-20mA current-loop transmitters and field-sensor modules, the PIC16F882-I/SS interfaces with bridge sensors and RTDs via the 10-bit ADC, then digitizes and transmits data over EUSART RS-485 or MSSP-based HART modems. The wide 2.0V-5.5V supply and on-chip BOR ensure robust operation on noisy 24V industrial rails. The PIC16F882-E/SS variant extends operation to -40C to +125C for outdoor or process-industry installations. nanoWatt sleep with peripheral disable keeps loop current draw low, preserving the 4mA zero-scale budget.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16F882-I/SS — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16F882T-I/SS | PIC16F882-E/SS | PIC16F883-I/SS | PIC16F886-I/SS | PIC16F872-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB | 14 KB | 3.5 KB |
| SRAM | 128 B | 128 B | 128 B | 256 B | 368 B | 128 B |
| CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
Principais diferenciais
- Lowest-cost part in the 28-pin PIC16F88x family (vs PIC16F886-I/SS)
- Same-family memory-upgrade drop-in path (vs PIC16F883-I/SS)
- Industrial temperature grade (I-suffix) at standard cost (vs PIC16F882-E/SS (Extended temp))
- Widely second-sourced across PIC16F882/883/886/887 (vs Single-source MCU from another vendor)
Notas de projeto
Place a 100nF decoupling capacitor as close as possible to pin 27 (VDD) and pin 28 (VSS). For designs switching high-current loads on multiple GPIO, add a bulk 10uF tantalum or ceramic on the VDD rail. The PIC16F882 features a configurable Brown-out Reset (BOR) - enable BOR in CONFIG1 for battery applications to prevent code corruption during voltage dips. The 2.0V minimum operating voltage allows direct connection to 2x AA cells.
Keep the ICSP clock and data lines (RB6/PGC, RB7/PGD) routed with no branches to the ICSP connector and minimal stubs for reliable in-circuit programming and debugging. For crystals above 4MHz, place the crystal within 6mm of OSC1/OSC2 (pins 1 and 2) with grounded guard traces to reduce EMI pickup. When using HFINTOSC instead, leave OSC1/OSC2 as GPIO (RA7/RA6) to gain two extra I/O.
Always set the CONFIG1 and CONFIG2 registers at the start of every new firmware project to enable BOR, disable code protection (during development), and select the correct oscillator mode. Forgetting to disable the watchdog timer in CONFIG leads to unexpected resets during long delays - clear WDT in long loops or disable it for prototypes. The MCLR pin (pin 3) can be left disconnected only when MCLRE=0 in CONFIG; otherwise it requires a 10k pull-up to VDD.
The PIC16F882 ADC requires the analog supply (VDD) to be quiet for accurate 10-bit conversion; add a small ferrite bead or 10 ohm resistor in series with the digital VDD if the digital section drives heavy switching loads. Use the internal fixed voltage reference for ratiometric measurements to eliminate external VREF noise. Cap AVDD close to the pin with 100nF and 10uF in parallel. For multi-channel scans, add 1us acquisition time (ACQT bits) to allow the sample capacitor to settle through high-impedance sensors.
Informações de conformidade
RoHS and REACH compliant per Microchip product page datasheet (41291D). Lead-free matte-tin finish. Not AEC-Q100 qualified - choose PIC16F882-E/SS for automotive-grade applications.
