PIC16F1825-I/SL - 14KB Flash, 32MHz 8-bit MCU | Microchip
N.º da peça: PIC16F1825-I/SL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $1.59 | $1,59 |
| 10 | $1.43 | $14,30 |
| 100 | $1.27 | $127,00 |
| 500 | $1.13 | $565,00 |
| 1.000 | $1.02 | $1.020,00 |
| 3.000 | $0.88 | $2.640,00 |
PIC16F1825-I/SL Visão geral
An 8-bit microcontroller (MCU) is a small, low-cost embedded computer built around an 8-bit data path and integrated peripherals such as timers, ADC, communication ports and interrupt logic. The PIC16F1825 sits in the hierarchy: 8-bit MCU -> enhanced mid-range PIC16 family -> microcontroller -> embedded controller -> semiconductor. Its enhanced mid-range core executes 49 instructions with 200 ns instruction time at 20 MHz (or 125 ns at 32 MHz), includes automatic context saving on interrupts, and a 16-level hardware stack with overflow/underflow reset. Compared to legacy baseline PIC10/12/16 MCUs, the enhanced mid-range core delivers higher code density and faster context switching while remaining binary-compatible with the mid-range instruction set for migration.
The PIC16F1825-I/SL integrates a 10-bit ADC with up to 12 channels, two 8-bit timers, four 10-bit PWM modules, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and two Master Synchronous Serial Port (MSSP) modules supporting I2C and SPI. The mTouch capacitive touch sensing peripheral enables direct capacitive button, slider and wheel implementation without external components, and internal 32 kHz and 16 MHz oscillators reduce BOM count by eliminating external crystals in many designs.
Architecturally the PIC16F1825 uses Harvard organization with separate program and data buses, allowing simultaneous instruction fetch and data access. The 14 KB Flash is partitioned into self-writeable blocks for bootloader-based field firmware upgrades via in-circuit serial programming (ICSP) and in-circuit debug through PICkit 3, MPLAB ICD 3 or MPLAB snap without an external debug header. The -I temperature grade denotes an industrial operating range of -40 C to +85 C.
Typical applications include capacitive touch user interfaces for white goods and consumer electronics, low-battery IoT sensor nodes, home appliance control panels, and small motor control loops using the enhanced PWM peripherals. The combination of XLP power profile and integrated peripherals makes it well suited to designs where BOM cost and standby current are primary constraints.
Design consideration: when migrating PIC16F1825 firmware to other 14-pin PIC16F1xxx parts, always verify pinout against the target datasheet - pins such as RA5/RA4 alternate between analog input and digital I/O depending on configuration bits. When using mTouch, follow Microchip application note TB1108 for sensor trace routing, ground fill, and guard trace recommendations to maintain sensitivity stability across temperature.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not duplicated in the manufacturer datasheet, providing a single engineering reference for selecting, sourcing and implementing the PIC16F1825-I/SL.
Alternativas drop-in para PIC16F1825-I/SL — 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 PIC16F1825-I/SL (mesmo formato e footprint) — diferindo em ADC, Package, Timers, Core Architecture, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16F1825T-I/SL
✅ Drop-In✓ Em estoque
$1.24 / unidade
Ver ficha técnica →PIC16F1825-E/SL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16F1824-I/SL
✅ Drop-In✓ Em estoque
$1.05 / unidade
Ver ficha técnica →PIC16F1825-I/SL Classificações máximas e características elétricas
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| SRAM | 1024 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Instruction Set Size | 49 instructions |
| Supply Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 10-bit, up to 12 channels |
| Timers (8-bit) | 2 |
| PWM Modules (10-bit) | 4 |
| EUSART | 1 |
| MSSP (I2C/SPI) | 2 |
| Encapsulamento | 14-SOIC (SL), 3.90 mm body width |
| Temperatura de operação | -40 C to +85 C (industrial) |
| Technology | nanoWatt XLP eXtreme Low Power |
| Programming/Debug | ICSP, ICD via PICkit 3 / MPLAB ICD 3 / MPLAB Snap |
| Status RoHS | Compliant |
Configuração de pinos do PIC16F1825-I/SL
| Pino 1 | VDD — Positive supply voltage |
| Pino 2 | RA5 — PORTA bit 5; analog input; ICSP function |
| Pino 3 | RA4 — PORTA bit 4; analog input |
| Pino 4 | RA3/MCLR/VPP — PORTA bit 3; master clear reset; programming voltage |
| Pino 5 | RA2 — PORTA bit 2; analog input; PWM |
| Pino 6 | RA1 — PORTA bit 1; analog input; PWM |
| Pino 7 | RA0 — PORTA bit 0; analog input |
| Pino 8 | VSS — Ground reference |
| Pino 9 | RB7 — PORTB bit 7; ICSPDAT |
| Pino 10 | RB6 — PORTB bit 6; ICSPCLK |
| Pino 11 | RB5 — PORTB bit 5; PWM |
| Pino 12 | RB4 — PORTB bit 4; PWM |
| Pino 13 | RB3 — PORTB bit 3 |
| Pino 14 | RB2 — PORTB bit 2 |
Aplicações típicas
PIC16F1825-I/SL é adequado para 6 aplicaçãos: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, Home Appliance Control Panel, Small Brushless DC Motor Control, Automotive Body Electronics (AEC-Q100 sibling family), White Goods and Consumer Electronics.
Capacitive Touch User Interface
The PIC16F1825-I/SL is a strong fit for capacitive touch user interfaces because the integrated mTouch peripheral uses CVD/CTMU acquisition to detect finger touches on PCB pads without dedicated touch ICs. Typical designs use 4-8 touch buttons or a single slider on the 12 available GPIO, with the XLP sleep current keeping coin-cell life in the multi-year range. Place the device in a 14-SOIC carrier pattern with sensor traces following Microchip TB1108 ground-fill and guard-trace rules; firmware leverage the MPLAB Code Configurator mTouch plugin. Compared with a discrete touch IC + small MCU approach, the PIC16F1825-I/SL drops bill-of-materials cost by roughly 30-40 percent while the XLP idle current keeps quiescent power in the tens of nanoamp range.
Recomendado
Battery-Powered IoT Sensor Node
For battery-powered IoT sensor nodes the PIC16F1825-I/SL draws sub-microamp sleep currents thanks to nanoWatt XLP technology, allowing 2xAA or coin-cell designs to last years between replacements. The internal 32 kHz LFINTOSC and 16 MHz HFINTOSC remove the need for external crystals in many wireless sensor applications, while the 10-bit ADC reads thermistor, battery monitor, and analog sensor channels. The EUSART interfaces to sub-GHz transceivers or BLE modules via 3.3 V logic, all powered from a 1.8-5.5 V supply rail. Designers typically duty-cycle the MCU with WDT wake-up intervals in the 0.5-10 s range, achieving average currents well under 10 uA in production sensor tags.
Recomendado
Home Appliance Control Panel
Home appliance control panels benefit from the PIC16F1825-I/SL because its 12 I/O pins drive LED indicator arrays, key matrices, relay drivers and triac interfaces for pumps, valves and heaters. The four 10-bit PWM modules generate brushed-motor speed control and soft-start ramps for fans and pumps without external timer ICs. The 14 KB Flash accommodates full appliance state machines with NVM-backed fault logs and bootloader support, while the 256-byte EEPROM stores user settings across power cycles. Industrial temperature grade -40 C to +85 C tolerates kitchen and laundry environments where ambient temperature swings are routine.
Recomendado
Small Brushless DC Motor Control
Sensorless or Hall-sensor BLDC control in small fans, pumps and toys maps cleanly onto the PIC16F1825-I/SL because the four 10-bit PWM channels and two CCP modules drive a three-phase MOSFET bridge via gate drivers, while the ADC samples back-EMF or current sense for commutation timing. The 32 MHz CPU executes a 50-100 us commutation loop comfortably, leaving margin for RPM control and stall detection. XLP run mode is engaged between commutations, trimming continuous operating current on small 5 V fan motors to roughly 10-15 mA. Implement Field-Oriented Control or trapezoidal commutation with the integrated peripherals and IEC 60730 class B safety checks fit easily within the 14 KB Flash budget.
Recomendado
Automotive Body Electronics (AEC-Q100 sibling family)
While the PIC16F1825-I/SL itself is industrial grade, the same PIC16F1xxx silicon powers AEC-Q100 qualified sibling parts used in automotive body electronics such as HVAC flaps, seat controllers, mirror adjusters and lighting clusters. Automotive designers leverage the same enhanced mid-range core, mTouch sensing and XLP low-power to drive LIN slaves, stepper motors and LED strings. The 14-SOIC footprint is widely accepted in automotive PCB assemblies and the 14 KB Flash supports OBD-compatible diagnostics plus bootloader updates. For designs that explicitly require AEC-Q100 qualification, use the automotive-grade PIC16F1xxx sibling rather than the -I/SL industrial part directly.
Recomendado
White Goods and Consumer Electronics
White goods and consumer electronics integrate the PIC16F1825-I/SL for cost-driven user interfaces where the mTouch peripheral replaces mechanical buttons, lowering warranty cost and improving spill resistance. The 14-SOIC package simplifies two-sided PCB assembly with hand or reflow soldering, while the 1.8-5.5 V supply accepts USB, battery or rectified mains-derived rails without additional regulators. Designers exploit the EEPROM to store user preferences across power cycles and the boot-loader to ship firmware updates via UART. Compared with discrete microcontroller solutions, this part reduces external component count by approximately 25 percent in typical control-panel designs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16F1825-I/SL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16F1825T-I/SL | PIC16F1825-E/SL | PIC16F1824-I/SL |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) | 14-SOIC (SL) | 14-SOIC (SL) |
| Flash Memory | 14 KB | 14 KB (same die) | 14 KB (same die) | 7 KB |
| SRAM | 1024 bytes | 1024 bytes (same die) | 1024 bytes (same die) | 256 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 12 | 12 | 12 | 12 |
| Temperature Grade | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Extended -40 C to +125 C | Industrial -40 C to +85 C |
| Supply Voltage | 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 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
Principais diferenciais
- Tape-and-reel packaging for high-volume SMT assembly (vs PIC16F1825-I/SL (tube))
- Extended temperature grade for harsher environments (vs PIC16F1825T-I/SL)
- Lower memory footprint for cost-sensitive designs (vs PIC16F1825-I/SL)
Notas de projeto
For battery-powered designs, leverage nanoWatt XLP sleep modes (SLEEP with WDT disabled) to achieve the sub-microamp quiescent current, then wake periodically via WDT, INT, or peripheral interrupt. Estimated: at a 3 V coin-cell with 250 mAh capacity, a duty-cycled wake every 2 s drawing 1 mA active and 100 nA average sleep yields roughly 5-7 years of life. Disable unused peripherals via the PMD registers to trim active current by 1-2 mA.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 1), with a 10 uF bulk capacitor on the same supply rail within 1 inch. Keep ICSP traces (RB6/ICSPCLK and RB7/ICSPDAT) short and away from switching noise sources such as PWM outputs. For mTouch designs, surround sensor pads with a hatched ground fill separated by a guard trace per Microchip TB1108 to avoid moisture drift.
Pins RA5 and RA4 default to analog input after POR; configure them as digital I/O via the ANSEL register before reading GPIO. The MCLR pin (pin 4) requires a 10-50 kohm pull-up to VDD if external reset is enabled, or it must be tied to VDD through a 10 kohm resistor when unused. Avoid using ICSPDAT/ICSPCLK (RB6/RB7) as outputs without isolation resistors during in-circuit debug, or the debugger cannot drive the lines correctly.
When using the ADC, add a 100 ohm series resistor on the analog input to suppress current spikes from the sample-and-hold capacitor, and average multiple samples to attenuate 50/60 Hz mains pickup. For PWM-driven motor loads, place gate-driver ICs within 50 mm of the MCU and use a star-ground layout to avoid PWM-edge currents corrupting analog readings.
Informações de conformidade
Industrial temperature grade; not AEC-Q100 qualified (use automotive-grade PIC16F1xxx siblings for automotive designs). Lead-free and RoHS compliant per Microchip product page declarations.
