PIC16LF1566T-I/SS - 8-Bit MCU 14KB Flash 28-SSOP | Microchip
N.º de pieza: PIC16LF1566T-I/SS ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $2.95 | $2,95 |
| 10 | $2.66 | $26,60 |
| 100 | $2.37 | $237,00 |
| 500 | $2.13 | $1.065,00 |
| 1.000 | $1.9 | $1.900,00 |
PIC16LF1566T-I/SS Descripción general
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (RAM), and integrated peripherals such as ADC, timers, and communication interfaces. The PIC16LF1566 belongs to the PIC16 family of 8-bit RISC microcontrollers from Microchip, positioned in the product hierarchy as: 8-bit MCU -> PIC16 family -> enhanced mid-range core -> flash-based general-purpose microcontroller. It operates from a 1.8V to 3.6V supply, making it part of the low-power "LF" variant family optimized for battery-powered applications.
Key features include eXtreme Low Power (XLP) technology for sleep currents as low as , two independent 10-bit ADCs for parallel sampling, hardware CVD for mTouch capacitive touch sensing, and 25 digital I/O pins. The PIC16LF1566 family supports mutual-capacitance output drivers for advanced touch interfaces, while 14KB Flash (8K x 14 words) provides ample code space for mTouch firmware stacks and application logic.
The device leverages Microchip's enhanced mid-range 16-bit instruction set (with 8-bit data path), supporting C-compiler-friendly architecture and linear memory mapping. The dual-ADC architecture is particularly suited for simultaneous touch channel scanning and sensor compensation, eliminating the need for external analog multiplexers. Configurable logic cells and multiple timers (Timer0/1/2) provide flexible waveform generation and event timing.
Typical applications include mTouch capacitive touch buttons and sliders in consumer appliances, water-leak detection sensors, proximity-sensing human-machine interfaces, IoT edge nodes with low duty-cycle wake-up, and battery-powered industrial sensors. The combination of two ADCs and hardware CVD makes the PIC16LF1566 particularly well-suited for multi-channel touch panels where scan time directly affects user experience.
When designing with this device, ensure decoupling capacitors are placed close to VDD pins and that the CVD reference capacitor is sized per the mTouch reference design. The 'LF' variant is required for operation below 2.5V - the standard PIC16F1566 variant operates from 2.3V to 5.5V.
This page synthesizes distributor pricing, drop-in PIC16LF family alternatives, and practical mTouch design notes not consolidated in the manufacturer datasheet.
Alternativas directas para PIC16LF1566T-I/SS — 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 PIC16LF1566T-I/SS (mismo factor de forma y huella) — difiere en Package, ADC, Operating Temperature, Timers, Mounting Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F1566-I/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16LF1566-I/SP
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.22 / unidad
Ver hoja de datos →PIC16LF1566-E/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.68 / unidad
Ver hoja de datos →PIC16LF1566T-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16LF1567-I/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16LF1559T-I/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.28 / unidad
Ver hoja de datos →PIC16LF1566T-I/SS Valores máximos y características eléctricas
| Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (RAM) | 1 KB |
| CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage | 1.8 V to 3.6 V |
| I/O Pins | 25 |
| ADC | 2x 10-bit, up to 23 analog channels, 600 ksps total |
| Hardware CVD Module | Yes (mTouch capacitive sensing) |
| Timers | Timer0, Timer1, Timer2 (configurable) |
| Encapsulado | 28-pin SSOP (5.30 mm body width) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40 C to +85 C (Industrial) |
| Nivel MSL | 1 |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de PIC16LF1566T-I/SS
| Pin 1 | RA3/AN3/C1IN+/CVDREF — Port A bit 3 / Analog input 3 / Comparator 1 non-inverting input / CVD reference |
| Pin 2 | RA4/AN4/C1OUT/T1G — Port A bit 4 / Analog input 4 / Comparator 1 output / Timer1 gate |
| Pin 3 | RA5/AN5/C2IN+/SS/HSCSD1 — Port A bit 5 / Analog input 5 / Comparator 2 non-inverting input / HSCSD channel 1 |
| Pin 4 | RA6/AN6/C2OUT/HSCSD2 — Port A bit 6 / Analog input 6 / Comparator 2 output / HSCSD channel 2 |
| Pin 5 | RA7/AN7/HSCSD3 — Port A bit 7 / Analog input 7 / HSCSD channel 3 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 8 | RA0/AN0/CVDREF/C1IN0- — Port A bit 0 / Analog input 0 / CVD reference / Comparator 1 input |
| Pin 9 | RA1/AN1/C1IN1-/CVDTX — Port A bit 1 / Analog input 1 / Comparator 1 input / CVD transmit |
| Pin 10 | RA2/AN2/C2IN0-/CVDRX — Port A bit 2 / Analog input 2 / Comparator 2 input / CVD receive |
| Pin 11 | RC0/AN16/HSCSD4 — Port C bit 0 / Analog input 16 / HSCSD channel 4 |
| Pin 12 | RC1/AN17/HSCSD5 — Port C bit 1 / Analog input 17 / HSCSD channel 5 |
| Pin 13 | RC2/AN18/HSCSD6 — Port C bit 2 / Analog input 18 / HSCSD channel 6 |
| Pin 14 | RC3/AN19/HSCSD7 — Port C bit 3 / Analog input 19 / HSCSD channel 7 |
| Pin 15 | RC4/AN20/HSCSD8 — Port C bit 4 / Analog input 20 / HSCSD channel 8 |
| Pin 16 | RC5/AN21/HSCSD9 — Port C bit 5 / Analog input 21 / HSCSD channel 9 |
| Pin 17 | RC6/AN22/HSCSD10 — Port C bit 6 / Analog input 22 / HSCSD channel 10 |
| Pin 18 | RC7/AN23/HSCSD11 — Port C bit 7 / Analog input 23 / HSCSD channel 11 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 21 | RB0/AN8/C1IN2-/HSCSD12 — Port B bit 0 / Analog input 8 / Comparator 1 input / HSCSD channel 12 |
| Pin 22 | RB1/AN9/C2IN1-/HSCSD13 — Port B bit 1 / Analog input 9 / Comparator 2 input / HSCSD channel 13 |
| Pin 23 | RB2/AN10/HSCSD14 — Port B bit 2 / Analog input 10 / HSCSD channel 14 |
| Pin 24 | RB3/AN11/C1IN3-/HSCSD15 — Port B bit 3 / Analog input 11 / Comparator 1 input / HSCSD channel 15 |
| Pin 25 | RB4/AN12/HSCSD16 — Port B bit 4 / Analog input 12 / HSCSD channel 16 |
| Pin 26 | RB5/AN13/HSCSD17 — Port B bit 5 / Analog input 13 / HSCSD channel 17 |
| Pin 27 | RB6/ICSPCLK/ICDCLK — Port B bit 6 / In-Circuit Serial Programming clock / ICD clock |
| Pin 28 | RB7/ICSPDAT/ICDDAT — Port B bit 7 / In-Circuit Serial Programming data / ICD data |
Aplicaciones típicas
PIC16LF1566T-I/SS es adecuado para 6 aplicacións: mTouch Capacitive Touch Buttons, Water Leak Detection Sensors, Proximity Sensing HMIs, IoT Edge Sensor Nodes, Battery-Powered Industrial Sensors, Touch Slider and Wheel Interfaces.
mTouch Capacitive Touch Buttons
The PIC16LF1566T-I/SS is purpose-built for mTouch capacitive touch button panels in consumer appliances and industrial controls. Its integrated hardware CVD module automates mutual-capacitance scanning across up to 23 channels, eliminating external analog MUX ICs and reducing BOM cost by 20-30%. The two independent 10-bit ADCs enable simultaneous touch and reference channel measurement for real-time drift compensation - critical for reliable operation across temperature and humidity changes. With 14KB Flash, the device runs Microchip's mTouch reference firmware stack with headroom for application logic. The 1.8V-3.6V supply supports direct battery operation from 2x AA cells.
Recomendado
Water Leak Detection Sensors
The PIC16LF1566T-I/SS is well-suited for battery-powered water-leak detection sensors in smart-home and building-automation applications. The hardware CVD module detects capacitive changes from water contact on PCB traces or external sensors, while XLP low-power technology enables multi-year battery life from a coin cell. The dual-ADC architecture supports simultaneous leak detection and battery-voltage monitoring for predictive maintenance alerts. Operating from 1.8V, the part runs directly from a CR2032 coin cell with no boost converter needed, simplifying the analog supply chain.
Recomendado
Proximity Sensing HMIs
The PIC16LF1566T-I/SS enables proximity-sensing human-machine interfaces in automotive center stacks and industrial control panels. Its hardware CVD module detects hand approach up to several centimeters before contact, enabling wake-on-approach and gesture-initiated UI responses. The 32MHz CPU executes touch and proximity scanning in under 200us per channel, supporting fluid user experience with up to 23 sensor channels. Industrial temperature range (-40C to +85C) and 1.8V-3.6V operation allow deployment in harsh automotive environments with direct 3.3V supply.
Recomendado
IoT Edge Sensor Nodes
The PIC16LF1566T-I/SS provides integrated sensing and processing for low-power IoT edge nodes. Its two 10-bit ADCs with hardware CVD support environmental sensors (capacitive humidity, soil moisture, proximity) alongside traditional analog inputs, while the 14KB Flash accommodates TinyOS-style or custom protocol stacks. XLP low-power modes combined with 1.8V-3.6V operation enable multi-year battery life from 2x AA cells. The 32MHz CPU performs local signal processing and filtering before transmitting aggregated data, reducing wireless airtime and extending system battery life by 40-60% versus polled architectures.
Recomendado
Battery-Powered Industrial Sensors
The PIC16LF1566T-I/SS supports industrial sensor applications requiring low standby power and integrated capacitive sensing. Its XLP technology delivers typical sleep currents below 1uA (consult datasheet for exact value), enabling multi-year battery life in remote monitoring installations. The dual-ADC architecture supports simultaneous measurement of process variables (temperature, pressure via analog transducers) and capacitive position/proximity sensors, reducing component count in industrial instrumentation. The 1.8V-3.6V supply accommodates lithium primary cells directly without regulation.
Recomendado
Touch Slider and Wheel Interfaces
The PIC16LF1566T-I/SS is ideal for implementing touch sliders and rotary wheel interfaces in consumer audio products, kitchen appliances, and smart thermostats. Its hardware CVD module handles mutual-capacitance scanning along linear or circular electrode patterns, providing sub-millimeter position resolution. With up to 23 channels and 14KB Flash, the device can scan a 12-position slider plus supporting button logic with position smoothing and gesture recognition. Industrial temperature rating ensures reliable operation in kitchen and automotive cabin environments.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LF1566T-I/SS — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F1566-I/SS | PIC16LF1566-E/SS | PIC16LF1567-I/SS | PIC16LF1559T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP variant of 1567 family | 28-SSOP (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Voltage | 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 |
| ADC | 2x 10-bit, 23 ch | 2x 10-bit, 23 ch | 2x 10-bit, 23 ch | 2x 10-bit, up to 34 ch | 1x 10-bit (single ADC) |
| Hardware CVD Module | Yes | Yes | Yes | Yes | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| Pin Count | 28 | 28 | 28 | 28 (also 40/44-pin variants) | 28 |
Diferenciadores clave
- Integrated dual-ADC architecture for simultaneous touch + reference scanning (frente a PIC16LF1559T-I/SS)
- Hardware CVD module automates mutual-capacitance measurement (frente a PIC16LF1559T-I/SS)
- 23 analog input channels in 28-pin package (frente a PIC16LF1559T-I/SS)
- 1.8V minimum supply voltage supports direct coin-cell operation (frente a PIC16F1566-I/SS)
Notas de diseño
Place a 0.1uF decoupling capacitor on each VDD pin (pin 7 and pin 20) within 2mm of the IC body. For mTouch designs, route CVD reference capacitor traces with ground guarding and keep analog input traces away from switching signals to minimize coupling. The CVDTX/CVDRX traces to the touch sensor should be short and matched to preserve measurement symmetry.
Estimated: typical XLP sleep current for the PIC16LF1566 family is <1uA at 25C with RTC running from Timer1; datasheet exact figure to be verified in DS40001826 section on DC characteristics. Use the LF variant when the supply rail is below 2.5V. Verify brown-out reset (BOR) configuration matches the application minimum voltage - the LF BOR default may disable the part below 1.8V.
Do not confuse the PIC16LF1566 (1.8V-3.6V) with the PIC16F1566 (2.3V-5.5V) when designing for low-voltage battery applications. When migrating designs between SSOP and SOIC packages, verify PCB footprint dimensions - SSOP-28 has 5.30mm body width while SOIC-28 has 7.50mm body width, requiring different land patterns. The 'T' suffix indicates Tape & Reel packaging, not a temperature grade.
For mTouch designs with >16 touch channels, sequence ADC sampling to allow settling time between channel switches - 5us minimum between channel changes prevents cross-talk artifacts. Configure the ADC acquisition time register (ADCON1.ACQT) to at least 8 TAD for high-impedance analog sources. Use the hardware CVD module rather than firmware-driven scanning to ensure deterministic timing across all channels.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16LF1566-E/SS for automotive-grade temperature range. Halogen-free per Microchip environmental compliance documentation.
