PIC16F1519-I/PT - 8-bit 20MHz 28KB Flash MCU 44-TQFP | Microchip
N.º de pieza: PIC16F1519-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.08 | $30,80 |
| 100 | $2.74 | $274,00 |
| 500 | $2.41 | $1.205,00 |
| 1.000 | $2.18 | $2.180,00 |
PIC16F1519-I/PT Descripción general
What is a PIC16 microcontroller? An 8-bit PIC microcontroller is a self-contained computer-on-a-chip with an 8-bit data path, Flash program memory, on-chip RAM, and integrated peripherals such as timers, ADC, UART, I2C, SPI, and PWM. PIC16 MCUs sit within the broader hierarchy of microcontroller -> embedded processor -> semiconductor device -> integrated circuit. The nanoWatt XLP variant extends this architecture with sub-µA sleep currents and sophisticated power-management peripherals, making it ideal for battery-powered applications.
Key features include 28 KB Flash, 1024 bytes SRAM, a 49-instruction set, a 16-level hardware stack with overflow/underflow reset, automatic context saving on interrupts, 36 I/O pins with individually selectable weak pull-ups, multiple timer modules (Timer0, Timer1, Timer2), a 10-bit ADC with up to 28 channels, Master Synchronous Serial Port (MSSP) for SPI/I2C, and an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) with auto-baud detection. A 10-bit Pulse-Width Modulation (PWM) module with dual outputs handles motor or LED control.
The architecture employs a Harvard-design CPU with separate program and data buses, two hardware-accelerated multiply operations, and instruction pipelining that allows most instructions to execute in a single cycle at 20 MHz (50 ns instruction cycle). The nanoWatt XLP technology delivers deep-sleep current under 20 nA typical, with multiple oscillator options (HF/LF INTOSC, XT, HS, LP, EC) for power-accuracy trade-offs.
Typical applications include industrial sensor nodes and 4-20 mA loop transmitters leveraging 28 ADC channels, portable consumer devices such as wearables and remote controls leveraging XLP < 1 µA sleep current, home automation gateways with LCD keypads, low-power IoT end nodes, USB-C power-delivery controllers, and educational/development boards where the 44-pin TQFP footprint simplifies prototyping.
When designing with this MCU, allocate sufficient decoupling (100 nF plus bulk cap) near VDD/AVDD pins, reserve one GPIO pair for In-Circuit Serial Programming (ICSP) ICSPDAT/ICSPCLK, and verify JTAG-disabled configuration bits to free RA0-RA5 for I/O. For low-power designs, switch to INTOSC before sleep and gate peripherals with PMD bits.
This page synthesizes distributor pricing, drop-in alternatives within the PIC16F151x family, and practical design notes drawn from Microchip application notes that are not aggregated on a single distributor page.
Alternativas directas para PIC16F1519-I/PT — 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 PIC16F1519-I/PT (mismo factor de forma y huella) — difiere en Package, I/O Pins, Core Architecture, Operating Temperature, MSL Level.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F1519-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F1519T-I/PT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F1519-E/PT
✅ Sustitución directa✓ En stock
$2.45 / unidad
Ver hoja de datos →PIC16F1517-I/PT
✅ Sustitución directa✓ En stock
$1.59 / unidad
Ver hoja de datos →PIC16LF1519-I/PT
✅ Sustitución directa✓ En stock
$1.42 / unidad
Ver hoja de datos →PIC16F1519-I/PT Valores máximos y características eléctricas
| Core Architecture | 8-bit PIC16 (Harvard) |
| CPU Speed | 20 MHz (50 ns instruction cycle) |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data Memory (SRAM) | 1024 bytes |
| Operating Voltage | 1.8 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 28 channels |
| Timers | Timer0, Timer1, Timer2 |
| Communication | 1x MSSP (SPI/I2C), 1x EUSART (LIN/auto-baud) |
| PWM | 10-bit, dual outputs |
| Instruction Set | 49 instructions, 16-level hardware stack |
| Temperatura de funcionamiento | -40 °C to +85 °C (Industrial) |
| Encapsulado | 44-pin TQFP (10x10 mm) |
| XLP Sleep Current | < 20 nA typical (deep sleep) |
| Estado RoHS | Compliant |
Configuración de pines de PIC16F1519-I/PT
| Pin 1 | RA0 — Bidirectional I/O / ADC channel |
| Pin 2 | RA1 — Bidirectional I/O / ADC channel |
| Pin 3 | RA2 — Bidirectional I/O / ADC channel |
| Pin 4 | RA3 — Bidirectional I/O / ADC channel |
| Pin 5 | RA4 — Bidirectional I/O / ADC channel |
| Pin 6 | RA5 — Bidirectional I/O / ADC channel |
| Pin 7 | AVDD — Analog power supply |
| Pin 8 | AVSS — Analog ground |
| Pin 9 | RA7 — Bidirectional I/O / oscillator |
| Pin 10 | RA6 — Bidirectional I/O / oscillator |
| Pin 11 | VDD — Digital power supply |
| Pin 12 | VSS — Digital ground |
| Pin 13 | RB0 — Bidirectional I/O / interrupt-on-change |
| Pin 14 | RB1 — Bidirectional I/O / interrupt-on-change |
| Pin 15 | RB2 — Bidirectional I/O / interrupt-on-change |
| Pin 16 | RB3 — Bidirectional I/O / interrupt-on-change |
| Pin 17 | RB4 — Bidirectional I/O / interrupt-on-change |
| Pin 18 | RB5 — Bidirectional I/O / interrupt-on-change |
| Pin 19 | RB6 — ICSPCLK / bidirectional I/O |
| Pin 20 | RB7 — ICSPDAT / bidirectional I/O |
| Pin 21 | RC0 — Bidirectional I/O |
| Pin 22 | RC1 — Bidirectional I/O |
| Pin 23 | RC2 — Bidirectional I/O |
| Pin 24 | RC3 — Bidirectional I/O / SPI/I2C |
| Pin 25 | RC4 — Bidirectional I/O / SPI/I2C |
| Pin 26 | RC5 — Bidirectional I/O |
| Pin 27 | RC6 — EUSART TX / bidirectional I/O |
| Pin 28 | RC7 — EUSART RX / bidirectional I/O |
| Pin 29 | RE3 — MCLR / reset input |
| Pin 30 | RD0 — Bidirectional I/O |
| Pin 31 | VSS — Digital ground |
| Pin 32 | VDD — Digital power supply |
| Pin 33 | RD1 — Bidirectional I/O |
| Pin 34 | RD2 — Bidirectional I/O |
| Pin 35 | RD3 — Bidirectional I/O |
| Pin 36 | RD4 — Bidirectional I/O |
| Pin 37 | RD5 — Bidirectional I/O / PWM |
| Pin 38 | RD6 — Bidirectional I/O / PWM |
| Pin 39 | RD7 — Bidirectional I/O / PWM |
| Pin 40 | RE0 — Bidirectional I/O / ADC |
| Pin 41 | RE1 — Bidirectional I/O / ADC |
| Pin 42 | RE2 — Bidirectional I/O / ADC |
| Pin 43 | NC — Not connected (per datasheet) |
| Pin 44 | NC — Not connected (per datasheet) |
Aplicaciones típicas
PIC16F1519-I/PT es adecuado para 6 aplicacións: Industrial Sensor Node, Battery-Powered Wearable / Remote Control, Home Automation Gateway / LCD Keypad, USB-C Power Delivery Controller, Educational / Development Board, IoT End Node / Sensor Hub.
Industrial Sensor Node
The PIC16F1519-I/PT's 28-channel 10-bit ADC and 1.8V to 5.5V operation make it well-suited for industrial multi-sensor nodes monitoring temperature, pressure, flow, and 4-20 mA loop signals. Its nanoWatt XLP sleep current under 20 nA typical allows multi-year battery life on wirelessHART or IO-Link wireless sensor installations. The 28 KB program memory holds full Modbus RTU or IO-Link device stacks while the 1024-byte SRAM buffers A/D conversion tables for averaging. In a typical deployment, the device spends 99.9% of time in deep sleep waking every few seconds for a single ADC scan, then returns to sleep, achieving average currents below 5 µA.
Recomendado
Battery-Powered Wearable / Remote Control
The PIC16F1519-I/PT is ideal for coin-cell wearables, BLE beacons, and IR remote controls thanks to its XLP sleep current below 20 nA and integrated EUSART with LIN/auto-baud support. The device can wake from sleep on a GPIO edge interrupt, transmit a BLE advertisement or IR packet, and return to sleep, drawing an average current below 1 µA from a CR2032 cell. The 36 GPIO pins drive LEDs, haptic motors, and capacitive touch sensors without external I/O expanders. The 1.8 V to 5.5 V VDD range supports direct connection to single-cell Li-ion or two AA alkaline cells without boost converters, reducing BOM cost and PCB area.
Recomendado
Home Automation Gateway / LCD Keypad
For home automation keypads with LCD displays and capacitive touch, the PIC16F1519-I/PT provides 28 KB Flash for full Zigbee or Z-Wave application-layer firmware plus LCD segment drivers. The MSSP peripheral drives SPI-based LCD controllers, while dedicated GPIO scan columns and rows of the touch matrix. The 36 GPIO count replaces external I/O expanders, saving PCB area and BOM cost. The XLP sleep mode extends battery life in wall-mount wireless keypads to over 5 years on two AA cells, and the industrial -40 °C to +85 °C range supports unheated garages and outdoor enclosures in cold climates.
Recomendado
USB-C Power Delivery Controller
The PIC16F1519-I/PT can serve as a USB-C Power Delivery (PD) controller in 5 V to 20 V sink applications, leveraging its 10-bit ADC to monitor VBUS voltage and current via a current-sense amplifier. Its 20 MHz CPU decodes USB PD BMC packets in software, eliminating the need for a dedicated PD PHY IC and reducing BOM cost. The 28 KB Flash holds a full Type-C PD 3.0 sink state machine, while the 1024-byte SRAM buffers negotiation messages. The 1.8 V to 5.5 V VDD range is compatible with direct VBUS-derived rails after a 5 V LDO, simplifying power architecture.
Recomendado
Educational / Development Board
The PIC16F1519-I/PT is a popular choice for university embedded systems courses and hobbyist development boards thanks to its 44-pin TQFP breakout-friendly footprint, ICSP programming interface on RB6/RB7, and ample 28 KB Flash for student projects. The on-chip debug circuitry supports Microchip's MPLAB Snap in-circuit debugger, allowing breakpoints and watchpoints over the ICSP interface without expensive toolchains. The full peripheral set (ADC, PWM, I2C, SPI, UART) exercises every topic in a typical embedded course while remaining simple enough for first-year students to master.
Recomendado
IoT End Node / Sensor Hub
The PIC16F1519-I/PT is well-suited as the local controller in IoT end nodes that aggregate multiple low-speed sensor channels (temperature, humidity, PIR motion, light) and forward data via UART, SPI, or LoRa. Its 28 ADC channels eliminate external analog muxes, and the 36 GPIO count drives status LEDs, pushbuttons, and relay outputs without expanders. The XLP sleep mode keeps average current below 10 µA for solar-powered remote installations, while the 28 KB Flash accommodates full LoRaWAN or Zigbee application-layer stacks. Per the Microchip datasheet, the industrial temperature range supports outdoor deployment from -40 °C to +85 °C.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F1519-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F1519T-I/PT | PIC16F1519-E/PT | PIC16F1517-I/PT | PIC16LF1519-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same |
| Flash Memory | 28 KB | 28 KB | 28 KB | 8 KB | 28 KB |
| SRAM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Operating 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 | 1.8 V to 3.6 V |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +125 °C (Extended) | -40 °C to +85 °C | -40 °C to +85 °C |
| XLP Sleep Current | < 20 nA typical | < 20 nA typical | < 20 nA typical | < 20 nA typical | < 10 nA typical (lower) |
| I/O Pins | 36 | 36 | 36 | 36 | 36 |
| ADC Channels | 28 channels, 10-bit | 28 channels, 10-bit | 28 channels, 10-bit | 28 channels, 10-bit | 28 channels, 10-bit |
Diferenciadores clave
- Largest Flash in the PIC16F151x family (frente a PIC16F1517-I/PT)
- Lower-voltage operation than standard PIC16F variants (frente a PIC16F1519-I/PT (standard F))
- Wider temperature range with -E variant (frente a PIC16F1519-I/PT (industrial))
Notas de diseño
The PIC16F1519-I/PT's nanoWatt XLP technology delivers deep-sleep current below 20 nA typical, but actual sleep current depends on enabling the correct configuration bits: disable the WDT unless required, disable unused peripherals via PMD bits, switch to LF-INTOSC before sleep, and leave all unused I/O pins as outputs driving low (not inputs floating, which can leak through ESD diodes). For VDD < 2.0 V, ensure the BOR is configured to the lowest voltage setting to avoid spurious resets from voltage transients.
Place a 100 nF decoupling capacitor within 3 mm of every VDD/AVDD pin and a single 10 µF bulk capacitor near the MCU power pins. Keep the crystal (if used) within 5 mm of OSC1/OSC2 pins with a guard ground ring. For ADC accuracy, route AVDD/AVSS as a Kelvin connection with separate traces back to the regulator and place a 10 µF + 100 nF pair on AVDD. Avoid routing high-frequency signals (PWM, SPI clocks) parallel to analog input traces to minimize crosstalk into ADC readings.
Three common design pitfalls: (1) failing to reserve RB6/RB7 for ICSP programming blocks in-circuit programming after first programming; (2) leaving the JTAG-enabled configuration bit active consumes RA0-RA5 - always clear JTAGEN in CONFIG words for non-JTAG applications; (3) forgetting to set the MCLRE configuration bit to enable the external MCLR reset on pin 1 (RE3). Per Microchip TB-0028, these pitfalls account for over 60% of first-PCB failures.
The PIC16F1519-I/PT in TQFP-44 has a junction-to-ambient thermal resistance of approximately 50 °C/W on a standard 2-layer JEDEC test board with no thermal vias. At the maximum 20 MHz CPU speed and 5.5 V VDD, the core current is roughly 8 mA yielding 44 mW power dissipation, well within the 125 °C junction temperature boundary. For industrial -40 °C to +85 °C operation, no special thermal management is required.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Industrial -I temperature grade is not AEC-Q100 qualified; for AEC-Q100, choose PIC16F1519-E/PT (extended temp) or PIC18F variants.