PIC16LF1718T-I/ML - 8-Bit MCU, 32MHz, 28KB Flash, XLP | Microchip
N.º de pieza: PIC16LF1718T-I/ML ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $2.74 | $2,74 |
| 10 | $2.46 | $24,60 |
| 100 | $2.18 | $218,00 |
| 500 | $1.89 | $945,00 |
| 1.000 | $1.62 | $1.620,00 |
PIC16LF1718T-I/ML Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and programmable I/O peripherals. The 8-bit PIC architecture sits within the broader hierarchy of: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The 'LF' prefix denotes the F-version silicon (lower-power variant) qualified for operation down to 1.8V, while the 'T' suffix indicates tape-and-reel packaging, and 'I' denotes the industrial temperature grade (-40C to +85C). The 'ML' package code maps to Microchip's 28-lead QFN (Quad Flat No-lead) package with an exposed thermal pad.
Key features include 4 PWM channels, 1 capture/compare, 1 USART, 1 SPI, 1 I2C, 17 I/O pins, 1 op-amp, 2 comparators with rail-to-rail inputs, 4 10-bit ADC channels plus a 17-channel shared ADC, and Peripheral Pin Select (PPS) for flexible signal routing. PPS is a unique Microchip feature that allows remapping of digital peripheral pins at runtime without rewiring the PCB.
The 'LF' silicon variant supports a wide 1.8V-3.6V VDD range, while the standard 'F' variant supports 2.3V-5.5V. The XLP technology achieves nanoWatt sleep currents, making this MCU well-suited for battery-powered or energy-harvesting applications. The integrated op-amp and 10-bit DAC eliminate external analog components in many sensor signal chains.
Typical applications include IoT sensor nodes, low-power wireless sensor transmitters, battery-powered medical devices, LED lighting controllers, and general-purpose embedded control where analog integration reduces BOM. PPS makes it well-suited for designs where pin assignments change late in the design cycle.
When designing with this MCU, ensure the supply decoupling follows Microchip's recommended 100 nF + bulk capacitor topology, and verify that the LF voltage variant matches your system rail. The QFN package requires careful PCB thermal pad soldering for reliable operation.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC16F1718 family, and practical design notes not collected in any single datasheet section.
Alternativas directas para PIC16LF1718T-I/ML — 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 PIC16LF1718T-I/ML (mismo factor de forma y huella) — difiere en DAC, Operating Temperature, Package, Comparators, ADC.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F1718T-I/ML
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF1718-I/ML
✅ Sustitución directa✓ En stock
$1.55 / unidad
Ver hoja de datos →PIC16LF1718T-I/MV
✅ Sustitución directa✓ En stock
$0.91 / unidad
Ver hoja de datos →PIC16LF1718-I/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF1709-I/ML
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.21 / unidad
Ver hoja de datos →PIC16LF1718T-I/ML Valores máximos y características eléctricas
| Product Type | 8-Bit Microcontroller (MCU) |
| Core Architecture | PIC16 (Enhanced Mid-Range) 8-bit |
| Family | PIC16F1718 / PIC16LF1718 |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| RAM | 2 KB |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage (LF variant) | 1.8 V to 3.6 V |
| Operating Voltage (F variant) | 2.3 V to 5.5 V |
| Temperatura de funcionamiento | -40C to +85C (Industrial, 'I' grade) |
| DAC | 5-bit and 8-bit |
| Op-Amps (On-chip) | 1 |
| Comparators | 2 (rail-to-rail inputs) |
| I/O Pins | 17 |
| Communication Interfaces | 1x USART, 1x SPI, 1x I2C |
| Core Independent Peripherals | CLC, COG, NCO, ZCD, PPS |
| Encapsulado | 28-QFN (6x6 mm) with exposed pad |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| Low Power Technology | XLP (nanoWatt) |
Configuración de pines de PIC16LF1718T-I/ML
| Pin 1 | RA5 — Bidirectional I/O pin, also ICSPCLK |
| Pin 2 | RA4 — Bidirectional I/O pin, also OPA1IN- |
| Pin 3 | RA3 — Bidirectional I/O pin |
| Pin 4 | RC5 — Bidirectional I/O pin |
| Pin 5 | RC4 — Bidirectional I/O pin |
| Pin 6 | RC3 — Bidirectional I/O pin |
| Pin 7 | RC2 — Bidirectional I/O pin |
| Pin 8 | RC1 — Bidirectional I/O pin |
| Pin 9 | RC0 — Bidirectional I/O pin |
| Pin 10 | RA2 — Bidirectional I/O pin, also OPA1OUT |
| Pin 11 | RA1 — Bidirectional I/O pin, also OPA1IN+ |
| Pin 12 | RA0 — Bidirectional I/O pin |
| Pin 13 | VSS — Ground reference |
| Pin 14 | RA7 — Bidirectional I/O pin, also OPA1IN+ (alt) |
| Pin 15 | RA6 — Bidirectional I/O pin, also ICSPDAT |
| Pin 16 | RC6 — Bidirectional I/O pin |
| Pin 17 | RC7 — Bidirectional I/O pin |
| Pin 18 | RB7 — Bidirectional I/O pin, also ICD |
| Pin 19 | RB6 — Bidirectional I/O pin, also ICSPCLK (alt) |
| Pin 20 | RB5 — Bidirectional I/O pin |
| Pin 21 | RB4 — Bidirectional I/O pin |
| Pin 22 | RB3 — Bidirectional I/O pin |
| Pin 23 | RB2 — Bidirectional I/O pin |
| Pin 24 | RB1 — Bidirectional I/O pin |
| Pin 25 | RB0 — Bidirectional I/O pin, also interrupt-on-change |
| Pin 26 | VDD — Positive supply voltage |
| Pin 27 | RA5 — Bidirectional I/O pin |
| Pin 28 | EP — Exposed thermal pad - must be soldered to ground plane |
Aplicaciones típicas
PIC16LF1718T-I/ML es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Node, Industrial 4-20 mA Loop-Powered Transmitter, LED Lighting Controller with Dimming, Portable Medical Monitoring Device, Smart Home Sensor / Hub Peripheral, General Purpose Embedded Control Board.
Battery-Powered IoT Sensor Node
The PIC16LF1718T-I/ML is ideal for battery-powered IoT sensor nodes because its XLP nanoWatt sleep current (typically <50 nA with full RAM retention) and 1.8V minimum VDD enable multi-year operation from coin-cell or Li-ion batteries. The on-chip 10-bit ADC with multiple input channels plus an integrated op-amp allow direct interface to analog sensors (temperature, pressure, gas) without external signal conditioning, reducing BOM. The CLC and NCO peripherals can implement complex sensor timing or pulse counting in hardware without CPU wake-up, minimizing average power. Designers typically pair it with a sub-GHz or BLE radio and run from a 3.0V CR2032 cell, achieving >5 year battery life at 1 measurement per minute. The 28-QFN (6x6 mm) footprint suits small sensor puck form factors.
Recomendado
Industrial 4-20 mA Loop-Powered Transmitter
The PIC16LF1718T-I/ML fits 4-20 mA loop-powered transmitters because its 1.8V minimum VDD allows operation directly from the loop compliance voltage at very low currents. The 10-bit ADC provides adequate resolution for most process variables, and the on-chip op-amp is suitable for sensor front-end amplification when paired with external precision resistors. The ZCD peripheral simplifies AC line synchronous timing for specialized applications. Industrial -40C to +85C operating range covers process plant environments. HART or other protocol stacks can fit in the 28 KB Flash; the 2 KB RAM accommodates typical protocol buffers. Designers should use the exposed thermal pad for ground connection and noise isolation in electrically noisy plant environments.
Recomendado
LED Lighting Controller with Dimming
The PIC16LF1718T-I/ML is well suited for LED lighting controllers because the CLC and COG peripherals can generate high-resolution PWM dimming signals without CPU intervention, enabling smooth 0-100% dimming and color mixing. The 5-bit and 8-bit DACs can drive constant-current references or be used for analog dimming control, while the comparators handle over-temperature or over-current protection autonomously. The NCO can produce precise frequency outputs for tone-based control protocols. PPS allows flexible pin assignment of PWM outputs to simplify PCB routing in multi-channel RGBW fixtures. Operating from 1.8V-3.6V matches typical LED driver supply rails. The 28-QFN (6x6 mm) compact footprint suits space-constrained bulb and fixture designs.
Recomendado
Portable Medical Monitoring Device
The PIC16LF1718T-I/ML is appropriate for portable medical monitoring devices where low power consumption and integrated analog peripherals matter most. The on-chip op-amp can condition ECG or pulse-oximeter signals directly, while the 10-bit ADC digitizes them for display or wireless transmission. XLP nanoWatt technology supports continuous wear-time on small batteries, and the 1.8V minimum VDD lets the device run directly from single-cell alkaline or rechargeable coin cells. The 28 KB Flash holds typical vital-signs firmware including simple algorithms for heart-rate averaging; 2 KB RAM supports circular buffers for sensor data. Note that this is an industrial-grade part (-40C to +85C), so for FDA-grade medical applications additional qualification per IEC 60601 may be required at the system level.
Recomendado
Smart Home Sensor / Hub Peripheral
The PIC16LF1718T-I/ML works well as a peripheral MCU inside smart-home sensors and hubs that need to wake on event, read sensors, and hand off to a main Wi-Fi/BLE SoC. XLP sleep current below 50 nA makes it efficient for always-on duty, while PPS lets it adapt to multiple sensor daughterboards with different pin assignments. The 10-bit ADC and integrated op-amp can read temperature, humidity, light (via analog photodiode), or gas sensors directly. I2C/SPI/USART allow easy connection to the main hub MCU or radio. The 28-QFN (6x6 mm) footprint suits compact sensor modules that must fit behind switch plates or in ceiling fixtures. Designers can program the device via ICSP using any PIC programmer without external components.
Recomendado
General Purpose Embedded Control Board
The PIC16LF1718T-I/ML fits general-purpose embedded control applications such as motor control front-ends, HVAC damper actuators, small appliance controllers, and consumer electronics sub-modules. The 32 MHz CPU at 8 MIPS executes typical control loops at 1 kHz with ample margin; the 17 I/O pins handle multiple buttons, LEDs, and communication lines. The on-chip op-amp and comparators can implement current sensing for low-side motor feedback, while the CLC peripheral can produce dead-time or fault-handling logic in hardware. The 28-QFN (6x6 mm) package is suitable for reflow-soldered production boards. The wide 1.8V-3.6V supply range accommodates direct battery connection as well as 3.3V regulated supplies.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LF1718T-I/ML — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F1718T-I/ML | PIC16LF1718-I/ML | PIC16LF1718T-I/MV | PIC16LF1718-I/MV | PIC16LF1709-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) ML | 28-QFN (6x6 mm) ML - same | 28-QFN (6x6 mm) ML - same | 28-UQFN MV - check pinout | 28-UQFN MV - check pinout | 28-QFN (6x6 mm) ML - same |
| Operating Voltage | 1.8 V to 3.6 V (LF) | 2.3 V to 5.5 V (F variant) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) |
| Flash Memory | 28 KB | 28 KB | 28 KB | 28 KB | 28 KB | 8 KB (smaller) |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB (smaller) |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| On-chip Op-amp | Yes (1) | Yes (1) | Yes (1) | Yes (1) | Yes (1) | No (0) - check |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| Approx. Unit Price (qty 1) | $2.74 | $2.85 - $3.10 | $2.65 - $2.90 | $2.85 - $3.10 | $2.70 - $2.95 | $1.95 - $2.30 |
Diferenciadores clave
- LF silicon enables 1.8V minimum VDD with full peripheral operation (frente a PIC16F1718T-I/ML)
- On-chip op-amp eliminates external signal-conditioning IC (frente a PIC16LF1554-I/ML)
- Peripheral Pin Select (PPS) for late-stage pin remapping (frente a PIC16LF1507-I/ML)
Notas de diseño
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 26) and a 10 uF bulk capacitor near the MCU. For XLP sleep operation, use the internal voltage regulator's low-power mode and disable unused peripherals via PMD registers to achieve nanoWatt sleep currents. Estimated: at 1.8V VDD with full RAM retention, sleep current is typically <50 nA per Microchip XLP datasheets. Avoid floating digital inputs to prevent shoot-through current during sleep.
The 28-QFN (6x6 mm) package has an exposed thermal pad (EP) on pin 28 that MUST be soldered to a ground plane on the PCB. EP provides both the primary thermal path and the lowest-inductance ground reference. Estimated: with theta_JA around 30-35 C/W on a 4-layer JEDEC test board, the device can dissipate roughly 1W at 85C ambient before thermal shutdown. For industrial applications near the +85C limit, provide at least 100 mm^2 of 1 oz copper pour under the EP.
Route the ICSP pins (ICSPCLK on RA5, ICSPDAT on RA6) to test pads or a 6-pin header for in-circuit programming and debugging. PPS allows digital peripheral remapping but does NOT remap analog inputs, the op-amp pins, or the ICSP functions. Keep analog traces short and guarded by ground to minimize ADC noise pickup; the on-chip ADC achieves best performance with a 100 ohm source impedance or less and an adequate acquisition time in software.
Do not confuse the LF (low-voltage, 1.8V-3.6V) and F (standard, 2.3V-5.5V) variants - mixing them at 5V will damage the LF version. The 'T' suffix indicates tape-and-reel packaging only - the silicon is identical to the non-T variant. PPS remapping requires unlocking the IOLOCK register sequence; attempt this only after firmware is debugged. The MV package code (UQFN) may have different pin assignments than the ML (QFN) code - always verify pinout against the specific datasheet before board respins.
When using the on-chip op-amp for sensor signal conditioning, route the OPA1IN+/-, OPA1OUT, and feedback network tracks close together to minimize noise pickup. Use a guard ring around high-impedance analog input nodes tied to a quiet analog ground. Estimated: the 10-bit ADC requires the input to settle within 1/2 LSB before sampling - at the maximum ADC clock (e.g., 32 MHz with Fosc/32), the acquisition time must be at least 2 us for a 5 kohm source. Refer to Microchip AN2818 for detailed ADC design guidance.
Información de cumplimiento
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified (industrial grade only). For automotive applications consult Microchip's AEC-Q100-qualified PIC16F1718 variants.
