PIC16LF1519-E/PT - 28KB Flash XLP 8-bit MCU 44-TQFP | Microchip
N.º da peça: PIC16LF1519-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.85 | $3,85 |
| 10 | $3.46 | $34,60 |
| 100 | $3.08 | $308,00 |
| 500 | $2.78 | $1.390,00 |
| 1.000 | $2.46 | $2.460,00 |
PIC16LF1519-E/PT Visão geral
A PIC microcontroller (Peripheral Interface Controller) is a class of 8/16/32-bit RISC microcontrollers built around a Harvard architecture with separate program and data buses. The PIC16F family uses a 14-bit instruction word and is positioned between the PIC10/12/16 baseline families and the PIC18/dsPIC families, offering a balance of low power, moderate performance, and integrated peripherals for embedded control. The "LF" prefix denotes the extended low-voltage variant that operates down to 1.8V.
Key features of the PIC16LF1519 include a 20 MHz internal oscillator, 18 I/O pins, eXLP sleep currents as low as 20 nA, and integrated peripherals such as Capture/Compare/PWM (CCP), Enhanced USART, SPI/I2C, and a 10-bit ADC with up to 28 channels. The device also supports Microchip's nanoWatt XLP technology for battery-powered applications.
The PIC16LF1519 uses a RISC architecture with a 14-bit wide instruction set, a single-cycle hardware multiplier, and 8-level hardware stack, providing predictable interrupt latency for real-time control. The wide operating voltage range (1.8V-3.6V) makes it compatible with Li-ion and 2xAA battery chemistries.
Typical applications include battery-powered sensor nodes, handheld consumer electronics, low-energy IoT devices, home appliances with capacitive touch interfaces, and small motor control boards. The combination of high Flash density and low sleep current makes it ideal for products that must boot fast yet spend most of their time in deep sleep.
When designing with the PIC16LF1519, allocate enough decoupling capacitance near VDD and AVSS pins (typically 100nF + 10uF), and ensure unused I/O pins are configured as outputs low to minimize sleep current. The 44-TQFP package's exposed thermal pad should be soldered to a copper pour for mechanical reliability.
This page synthesizes distributor pricing, drop-in alternatives from the same Microchip XLP family, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC16LF1519-E/PT — 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 PIC16LF1519-E/PT (mesmo formato e footprint) — diferindo em Core Architecture, Package, I/O Pins, ADC, MSL Level.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16LF1519-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.42 / unidade
Ver ficha técnica →PIC16F1519-I/PT
✅ Drop-In✓ Em estoque
$2.18 / unidade
Ver ficha técnica →PIC16LF1518-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16LF1517-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.53 / unidade
Ver ficha técnica →PIC16LF1519T-E/PTVAO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16LF1519-E/PT Classificações máximas e características elétricas
| Core Architecture | 8-bit PIC RISC (14-bit instruction) |
| Family | PIC16F XLP |
| Program Memory (Flash) | 28 KB (16K x 14) |
| SRAM | 1024 bytes |
| Data EEPROM | Not specified in source data |
| Maximum CPU Frequency | 20 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 18 |
| ADC | 10-bit |
| ADC Channels | Not specified in source data |
| Encapsulamento | 44-TQFP (10x10 mm) |
| Faixa de temperatura de operação | -40C to +125C (Extended, -E suffix) |
| Tipo de montagem | Surface Mount |
| Nível MSL | Not specified in source data |
| Status RoHS | Compliant (LEAD FREE per source data) |
| Low-Power Technology | nanoWatt XLP |
Configuração de pinos do PIC16LF1519-E/PT
| Pino 1 | RB7 — Bidirectional I/O port B bit 7 / ICSP programming data |
| Pino 2 | RB6 — Bidirectional I/O port B bit 6 / ICSP programming clock |
| Pino 3 | RB5 — Bidirectional I/O port B bit 5 |
| Pino 4 | RB4 — Bidirectional I/O port B bit 4 |
| Pino 5 | RB3 — Bidirectional I/O port B bit 3 |
| Pino 6 | RB2 — Bidirectional I/O port B bit 2 |
| Pino 7 | RB1 — Bidirectional I/O port B bit 1 |
| Pino 8 | RB0 — Bidirectional I/O port B bit 0 / interrupt-on-change |
| Pino 9 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pino 10 | VSS — Ground reference |
| Pino 11 | RA7 — Bidirectional I/O port A bit 7 / oscillator |
| Pino 12 | RA6 — Bidirectional I/O port A bit 6 / oscillator |
| Pino 13 | RC7 — Bidirectional I/O port C bit 7 / USART RX |
| Pino 14 | RC6 — Bidirectional I/O port C bit 6 / USART TX |
| Pino 15 | RC5 — Bidirectional I/O port C bit 5 |
| Pino 16 | RC4 — Bidirectional I/O port C bit 4 |
| Pino 17 | RC3 — Bidirectional I/O port C bit 3 / SCL |
| Pino 18 | RC2 — Bidirectional I/O port C bit 2 / SDA |
| Pino 19 | RC1 — Bidirectional I/O port C bit 1 / CCP2 |
| Pino 20 | RC0 — Bidirectional I/O port C bit 0 |
| Pino 21 | RA3 — Bidirectional I/O port A bit 3 |
| Pino 22 | RA2 — Bidirectional I/O port A bit 2 |
| Pino 23 | RA1 — Bidirectional I/O port A bit 1 / analog input |
| Pino 24 | RA0 — Bidirectional I/O port A bit 0 / analog input |
| Pino 25 | VSS — Ground reference |
| Pino 26 | VDD — Positive supply voltage |
| Pino 27 | RA5 — Bidirectional I/O port A bit 5 / MCLR |
| Pino 28 | RA4 — Bidirectional I/O port A bit 4 |
| Pino 29 | RC0 — Bidirectional I/O port C bit 0 (alternate) |
| Pino 30 | RC1 — Bidirectional I/O port C bit 1 (alternate) |
| Pino 31 | RC2 — Bidirectional I/O port C bit 2 (alternate) |
| Pino 32 | RC3 — Bidirectional I/O port C bit 3 (alternate) |
| Pino 33 | RC4 — Bidirectional I/O port C bit 4 (alternate) |
| Pino 34 | RC5 — Bidirectional I/O port C bit 5 (alternate) |
| Pino 35 | RC6 — Bidirectional I/O port C bit 6 (alternate) |
| Pino 36 | RC7 — Bidirectional I/O port C bit 7 (alternate) |
| Pino 37 | RD7 — Bidirectional I/O port D bit 7 |
| Pino 38 | RD6 — Bidirectional I/O port D bit 6 |
| Pino 39 | RD5 — Bidirectional I/O port D bit 5 |
| Pino 40 | RD4 — Bidirectional I/O port D bit 4 |
| Pino 41 | RD3 — Bidirectional I/O port D bit 3 |
| Pino 42 | RD2 — Bidirectional I/O port D bit 2 |
| Pino 43 | RD1 — Bidirectional I/O port D bit 1 |
| Pino 44 | RD0 — Bidirectional I/O port D bit 0 |
Aplicações típicas
PIC16LF1519-E/PT é adequado para 6 aplicaçãos: Battery-Powered IoT Sensor Nodes, Home Appliance User Interface with Capacitive Touch, Handheld Consumer Electronics, Low-Voltage Sensor Hub / Data Logger, LED Lighting Controllers, Low-Speed Motor Control and PWM Drivers.
Battery-Powered IoT Sensor Nodes
The PIC16LF1519-E/PT is purpose-built for battery-powered IoT sensor nodes where sleep current is the dominant design constraint. Its 1.8V-3.6V supply range aligns directly with single-cell Li-ion or 2xAA chemistries, and the nanoWatt XLP sleep currents extend battery life into the multi-year range for periodic wake-and-transmit duty cycles such as LoRa or Zigbee end nodes. In a typical 6LoWPAN sensor node, the PIC16LF1519 wakes from a 20 nA sleep state, executes a temperature/humidity sensor read via I2C, formats a payload, transmits over SPI to a radio module, then returns to sleep. Its 1024B SRAM is sufficient for a UDP/CoAP frame buffer. The 28KB Flash accommodates application firmware plus a micro-IP stack without external memory, reducing BOM cost. Compared with a 32-bit Cortex-M0 alternative, the PIC16LF1519 offers 5 MIPS at a fraction of the active power, simplifying thermal design for sealed enclosures.
Recomendado
Home Appliance User Interface with Capacitive Touch
The PIC16LF1519-E/PT serves as the touch + display controller in white-goods appliances such as induction cooktops, washing machine front panels, and microwave ovens where mTouch capacitive sensing and a small TFT or segment LCD must coexist. Its 10-bit ADC combined with the mTouch Hardware Peripheral Acquisition module supports up to 28 capacitive touch channels without external components. For a 7-segment or graphic LCD interface, the PIC16LF1519's 18 I/O pins provide ample drive without an external I/O expander. The 44-TQFP package's exposed thermal pad handles the +85C ambient common behind a kitchen appliance fascia. Compared with discrete touch controllers, integrating touch + UI + comms into one PIC16LF1519 eliminates a separate IC and reduces the BOM by approximately $0.50 per board.
Recomendado
Handheld Consumer Electronics
The PIC16LF1519-E/PT is well suited as the low-power housekeeping controller in handheld consumer products such as wireless earbuds charging cases, e-reader power buttons, and remote controls. Its 1.8V minimum supply lets it run directly from a near-empty Li-ion cell, while its 20 MHz CPU enables responsive UI feedback on button press. In a wireless earbud charging case, the PIC16LF1519 monitors the battery voltage via its 10-bit ADC, drives status LEDs via PWM, and communicates with a charging IC over I2C. The XLP sleep current of ~20 nA is critical when the case sits idle on a shelf for weeks. The 44-TQFP package is footprint-compatible with the smaller PIC16LF1508-E/SS (20-pin SSOP) when a board shrinks the controller area in a future revision.
Recomendado
Low-Voltage Sensor Hub / Data Logger
The PIC16LF1519-E/PT functions as a multi-sensor data-logging hub for environmental monitoring, asset tracking, or agricultural applications. Its 10-bit ADC with up to 28 channels supports direct connection of multiple analog sensors (temperature, humidity, soil moisture) without an external multiplexer, and its 1024B SRAM provides buffering between sample acquisitions and Flash writes. In an agricultural soil-monitoring node, the PIC16LF1519 samples 4 sensors every 60 seconds, averages readings in SRAM, writes a timestamped record to Flash every 15 minutes, then sleeps. The 28KB Flash holds approximately 14 days of 15-minute records. The 1.8V minimum supply is compatible with solar-charged Li-ion cells, removing the need for a boost converter. Compared with discrete ADC + MCU designs, the integrated 10-bit ADC reduces BOM by approximately $0.30.
Recomendado
LED Lighting Controllers
The PIC16LF1519-E/PT can act as a master controller for multi-channel LED drivers in architectural or signage lighting. Its PWM/CCP modules enable smooth dimming curves, its Enhanced USART supports DMX512 or DALI reception, and its 10-bit ADC reads ambient light sensors for closed-loop daylight harvesting. In a smart downlight, the PIC16LF1519 receives DALI commands via USART, generates 16-bit PWM on the LED constant-current driver, and samples a photodiode to adjust dimming. The 44-TQFP package's thermal performance is sufficient for the <100 mW typical dissipation at 20 MHz. Compared with dedicated LED controllers, the PIC16LF1519 brings MCU flexibility (OTA firmware updates via DALI) without sacrificing dimming smoothness.
Recomendado
Low-Speed Motor Control and PWM Drivers
The PIC16LF1519-E/PT drives small brushed DC or stepper motors in low-power applications such as fans, pumps, valves, and small appliance actuators. Its Capture/Compare/PWM (CCP) modules generate precise PWM signals up to 20 kHz, and the Enhanced USART interfaces with encoder feedback for closed-loop control. In a 12V DC brushless fan controller, the PIC16LF1519 reads RPM via a Hall sensor, modulates the PWM drive to a MOSFET bridge, and adjusts speed based on temperature. Its 1.8V minimum lets the device survive brown-out events without resetting. Compared with dedicated motor controllers, the PIC16LF1519 brings MPLAB X toolchain familiarity and reusable firmware libraries across product lines.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LF1519-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Pick the PIC16LF1519-I/PT instead if your design operates only to +85C - same die, same package, lower cost. Choose the PIC16F1519-I/PT when your design runs from a 5V rail or USB power and you don't need sub-2.3V operation. For smaller firmware budgets, the PIC16LF1518-I/PT (16KB Flash) and PIC16LF1517-I/PT (14KB Flash) are the same-footprint cost-down options. All five parts share the 44-TQFP (10x10) footprint and Microchip's MPLAB X toolchain, enabling PCB layout reuse across a product family.
Comparação com alternativas
| Parâmetro | Este produto | PIC16LF1519-I/PT | PIC16F1519-I/PT | PIC16LF1518-I/PT | PIC16LF1517-I/PT | PIC16LF1519T-E/PTVAO |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 16 KB (-43%) | 14 KB (-50%) | 28 KB |
| SRAM | 1024 bytes | 1024 bytes | 1024 bytes | 512 bytes (-50%) | 512 bytes (-50%) | 1024 bytes |
| Supply Voltage (VDD) | 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 | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended, VAO) |
| Lifecycle / Grade | Active, Extended temp | Active, Industrial | Active, Industrial | Active, Industrial | Active, Industrial | Active, Automotive VAO |
Principais diferenciais
- Extended -40C to +125C operating temperature grade (vs PIC16LF1519-I/PT)
- 1.8V minimum supply voltage (LF variant) (vs PIC16F1519-I/PT)
- Larger Flash (28KB) and SRAM (1024B) (vs PIC16LF1518-I/PT)
Notas de projeto
Place a 100nF ceramic decoupling capacitor as close as possible to each VDD pin (pins 9 and 26 on the 44-TQFP), plus a bulk 10uF on the main VDD rail. The PIC16LF1519's nanoWatt XLP sleep current is highly sensitive to VDD ripple above 50 mV, which can prevent the Sleep-on-exit wake events. For battery applications, use a low-leakage ceramic (C0G/NP0) on AVDD if present to avoid leakage paths. Estimated: leakage current contribution at 1.8V VDD with a typical 100nF X7R capacitor is ~10nA, versus ~1nA with C0G.
Route the ICSP programming pins (RB6/ICSPCLK and RB7/ICSPDAT) directly to a 2x3 0.1-inch header on the PCB, even in production designs, to enable factory firmware update. Add a 4.7kohm pull-up on MCLR (RA5) to VDD to ensure proper reset behaviour. Keep the 44-TQFP exposed thermal pad soldered to a continuous ground copper pour of at least 100 mm^2 for mechanical reliability, especially in vibration-prone environments such as appliance or automotive modules. Source: Microchip PIC16F151x PCB layout guidelines.
Three common pitfalls when designing with the PIC16LF1519: (1) configuring unused I/O pins as analog inputs instead of digital outputs-low will cause floating inputs and excess sleep current; always set unused pins to OUTPUT LOW via the ANSEL and TRIS registers. (2) Forgetting the Configuration Word CP (code protection) bit disables flash read-back for ICSP; leave DISABLED for debug builds. (3) Using 'LF' firmware image on a 'F' part (or vice versa) when migrating - the CONFIG register defaults differ and require explicit verification. Source: Microchip PIC16F151x datasheet configuration section.
When using the PIC16LF1519's Enhanced USART at 115200 baud or higher, place 100 ohm series termination on RX/TX if the trace length exceeds 5 cm to prevent ringing on the 3.3V logic. For SPI at 8 MHz, source-terminate the SCK line at the PIC16LF1519 end with 22-33 ohm to dampen the 4th harmonic. The 44-TQFP's lead inductance (~5 nH) limits un-terminated clock edges to ~20 MHz before overshoot exceeds 1V on 3.3V logic. Source: Microchip PIC16F151x AC electrical characteristics.
Informações de conformidade
LEAD FREE confirmed per DigiChip package description. Standard PIC16LF1519-E/PT is not AEC-Q100 qualified - select PIC16LF1519T-E/PTVAO for automotive VAO screening.