PIC16LF15325-I/SL - 8-Bit 32MHz XLP MCU 14KB Flash SOIC-14 | Microchip
N.º de pieza: PIC16LF15325-I/SL ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.45 | $1,45 |
| 10 | $1.3 | $13,00 |
| 100 | $1.1 | $110,00 |
| 500 | $0.95 | $475,00 |
| 1.000 | $0.82 | $820,00 |
PIC16LF15325-I/SL Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, plus configurable peripherals such as timers, communication interfaces, and analog blocks. Within the broader taxonomy, an MCU sits under the semiconductor hierarchy as a programmable logic device that replaces discrete logic and analog glue circuits in embedded products. Low-power MCUs such as the PIC16LF153xx family add sleep modes with sub-microamp quiescent current so that always-on sensors can run for years on a coin cell.
Key differentiating features include 4 CLC blocks that implement combinatorial logic in hardware without CPU intervention, a CWG that generates complementary PWM for half-bridge drive, a Numerically Controlled Oscillator (NCO) for precision frequency synthesis, and CWG/CLC interconnections that offload waveform timing from the core. The 10-bit ADC with internal voltage reference and computation mode accelerates sensor conditioning, while the 5-bit DAC drives analog set points or bias voltages without external components.
Architecturally, the PIC16LF15325 uses Microchip's enhanced mid-range core with a 14-bit instruction word, hardware stack, and an interrupt controller supporting both core-independent peripherals and edge-triggered events. The 32 MHz internal oscillator and PLL-free design remove external crystal cost, and configurable oscillator modes (HFINTOSC, LFINTOSC, external clock) let designers trade noise immunity for current draw at each operating state.
Typical applications include battery-powered IoT sensor nodes, low-power wireless remote controls, LED lighting controllers with smooth dimming, fan/thermostat controls, smoke detectors, and portable medical wearables. The wide 1.8V to 3.6V VDD range and XLP idle/sleep modes support multi-year coin-cell or 2xAA operation.
When designing with this part, place a 0.1 µF decoupling capacitor within 5 mm of VDD and reserve an additional bulk capacitor on AVDD if the ADC is used. The ICSPDAT/ICSPCLK pins can be released to GPIO after programming, but trace lengths should be kept short to avoid in-system programming glitches.
Alternativas directas para PIC16LF15325-I/SL — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16LF15325-I/SL (mismo factor de forma y huella) — difiere en Package, Comparators, DAC, ADC, Core Architecture.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16LF15325T-I/SL
✅ Sustitución directa✓ En stock
$0.84 / unidad
Ver hoja de datos →PIC16LF15325-E/SL
✅ Sustitución directa✓ En stock
$0.74 / unidad
Ver hoja de datos →PIC16F15325-I/SL
✅ Sustitución directa✓ En stock
$0.95 / unidad
Ver hoja de datos →PIC16LF15324-I/SL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF15325-I/SL Valores máximos y características eléctricas
| Core Architecture | PIC16 8-bit enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Rango de temperatura de funcionamiento | -40 C to +85 C (Industrial) |
| Encapsulado | 14-pin SOIC (SO) |
| DAC | 5-bit |
| Comparators | Yes |
| PWM Channels | 4 |
| Configurable Logic Cells (CLC) | 4 |
| Complementary Waveform Generator (CWG) | 1 |
| Communication Interfaces | 2x EUSART, SPI, I2C |
| Estado RoHS | Compliant |
Configuración de pines de PIC16LF15325-I/SL
| Pin 1 | RA5/MCLR/VPP — GPIO / Master Clear (reset) / programming high voltage |
| Pin 2 | RA4/AN3 — GPIO / analog input channel 3 |
| Pin 3 | RA3/AN2/CLC1IN0 — GPIO / analog input channel 2 / CLC1 input 0 |
| Pin 4 | RA2/AN1 — GPIO / analog input channel 1 |
| Pin 5 | RA1/ICSPCLK — GPIO / in-circuit serial programming clock |
| Pin 6 | RA0/ICSPDAT — GPIO / in-circuit serial programming data |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC1/CLKIN — GPIO / crystal oscillator input / external clock in |
| Pin 9 | RA6/OSC2/CLKOUT — GPIO / crystal oscillator output / clock out |
| Pin 10 | RB7/CWG1IN — GPIO / CWG1 input |
| Pin 11 | RB6/CWG1OUT — GPIO / CWG1 output |
| Pin 12 | RB5/AN11 — GPIO / analog input channel 11 |
| Pin 13 | RB4/AN10 — GPIO / analog input channel 10 |
| Pin 14 | VDD — Positive supply (1.8 V to 3.6 V) |
Aplicaciones típicas
PIC16LF15325-I/SL es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Node, Wireless Remote Control (Sub-1 GHz / BLE Controller), LED Lighting Controller with Smooth Dimming, Thermostat and HVAC Fan Controller, Smoke and CO Detector Sensor Front-End, Portable Medical Wearable (Pulse Oximeter).
Battery-Powered IoT Sensor Node
The PIC16LF15325-I/SL fits battery-powered IoT sensor nodes where multi-year coin-cell life is mandatory. Its XLP sleep current under 50 nA with RAM retention lets a temperature/humidity sensor wake only every few seconds while drawing negligible quiescent current. The 32 MHz core executes sensor fusion, ADC averaging (10-bit with computation mode), and packet framing in microsecond bursts before returning to sleep. The wide 1.8 V to 3.6 V VDD range accepts a partially discharged coin cell, and the on-chip 5-bit DAC drives a precision analog front-end bias without external components. With 14 KB Flash there is sufficient headroom for an application stack plus a bootloader for OTA updates.
Recomendado
Wireless Remote Control (Sub-1 GHz / BLE Controller)
For wireless remote controls, the PIC16LF15325-I/SL drives sub-1 GHz transceivers such as the MICRF112 or BLE SoCs via SPI/I2C with low latency. The 4 CLC blocks handle button de-bounce and rotary-encoder quadrature decoding entirely in hardware, freeing the CPU to manage RF protocol stacks. With 32 MIPS throughput, AES-encrypted packet transmit completes within a few hundred microseconds, then the part returns to nanoWatt sleep until the next button press. The 2 EUSARTs support debug and command-line firmware updates, while 4 PWM channels modulate RGB backlighting or vibration motor control.
Recomendado
LED Lighting Controller with Smooth Dimming
The PIC16LF15325-I/SL implements commercial-grade LED controllers with logarithmic dimming curves and color-temperature compensation. Its 4 PWM channels drive up to 4 LED strings with 10-bit equivalent resolution when dithered via the CWG, achieving smooth dimming down to 0.1% duty. The 5-bit DAC provides analog bias for constant-current driver reference inputs, while the CLC cells interlock PWM outputs for failsafe operation. The 32 MHz CPU runs Lighting-Control algorithms in real time while the comparator monitors over-temperature faults independently of the core.
Recomendado
Thermostat and HVAC Fan Controller
In thermostat/HVAC control, the PIC16LF15325-I/SL drives BLDC fan motors via the CWG's complementary outputs and a half-bridge gate driver. The 10-bit ADC reads thermistor temperature sensors with hardware averaging, while the 5-bit DAC sets the fan speed reference for closed-loop control. With 14 KB Flash the part supports PID loops, weekly schedules, and a graphical UI on a low-cost character display. XLP sleep modes keep wall-battery backup alive for years, and the SOIC-14 footprint is well-suited to through-hole reflow assembly.
Recomendado
Smoke and CO Detector Sensor Front-End
The PIC16LF15325-I/SL is well-suited to smoke/CO detector sensor conditioning and alarm logic. Its 10-bit ADC continuously monitors photoelectric smoke chamber current and electrochemical CO cell voltage, while the on-chip comparator triggers an immediate interrupt on threshold crossing. The CWG drives a 3 kHz piezo alarm waveform without CPU involvement, and 4 CLCs implement a self-test state machine that exercises the sensor chamber every 24 hours. With nanoWatt sleep and 10-year battery operation, the part meets UL 217 compliance paths for residential detectors.
Recomendado
Portable Medical Wearable (Pulse Oximeter)
The PIC16LF15325-I/SL powers portable medical wearables such as wrist-worn pulse oximeters where low noise, small size, and long battery life are critical. Its 10-bit ADC with hardware averaging drives red/IR LED photodiode readings at hundreds of samples per second, while the 5-bit DAC sets the LED current reference for SpO2 calibration. The 32 MHz CPU runs proprietary perfusion-index algorithms within the strict 1 ms beat-to-beat interval. XLP sleep between heartbeats keeps average current below 1 mA for 7-day continuous use on a single CR2032.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LF15325-I/SL — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16LF15325T-I/SL | PIC16LF15325-E/SL | PIC16F15325-I/SL | PIC16LF15324-I/SL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin SOIC (SO) | 14-pin SOIC (SO) - same | 14-pin SOIC (SO) - same | 14-pin SOIC (SO) - same | 14-pin SOIC (SO) - same |
| Program Flash | 14 KB | 14 KB | 14 KB | 14 KB | 7 KB (-50%) |
| Data SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 512 B (-50%) |
| VDD Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| Max CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C |
| XLP Packaging (PIC16LF) | Yes (nanoWatt sleep) | Yes | Yes | No (F-series, higher VDD) | Yes |
Diferenciadores clave
- Highest memory in the 14-pin PIC16LF153xx family (frente a PIC16LF15324-I/SL)
- Extended-temperature variant available in same footprint (frente a PIC16LF15325-E/SL)
- 4 CLC and CWG enable core-independent peripheral operation (frente a PIC16LF1455-I/SL)
Notas de diseño
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, plus a 1-10 uF bulk capacitor if the ADC is active. The PIC16LF15325-I/SL operates from 1.8 V to 3.6 V; for designs sourcing from a 5 V rail, add a 3.3 V LDO such as MCP1700 to stay within the absolute maximum. Use the XLP sleep modes by configuring the CPU to wake only on IOC, WDT, or peripheral interrupt to extend battery life into multi-year ranges.
Route the ICSPDAT/ICSPCLK traces (RA0/RA1) away from high-current switching nodes such as the CWG output (RB6) to avoid in-system programming glitches. Keep the SOIC-14 solder pad pattern per JEDEC MS-012 with 0.65 mm land width for reliable reflow. If the ICSP header is used, leave space for a 2x3 or 1x6 pin header; if not, those pins can be reclaimed as GPIO.
Do not exceed 3.6 V on VDD - the 'LF' variant is not 5 V tolerant and will damage the part if a 5 V supply is applied without a regulator. The MCLR pin (RA5) requires a 10 kohm pull-up to VDD for normal operation; if left floating the device will hold in reset. When migrating from PIC16F15325 to PIC16LF15325, confirm the firmware's oscillator configuration stays within the LF supply range; some F-series configurations draw higher current at low VDD.
Información de cumplimiento
RoHS and lead-free per Microchip product declaration; halogen-free status per Microchip environmental compliance data sheet. AEC-Q100 qualification not available - the -I and -E variants are industrial/extended grades, not automotive.
