PIC16LF1566-I/MV - 8-Bit MCU, 14KB Flash, 32MHz, 28-UQFN | Microchip
부품 번호: PIC16LF1566-I/MV ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.46 | $14.60 |
| 100 | $1.21 | $121.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.95 | $950.00 |
PIC16LF1566-I/MV 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripheral blocks (ADCs, communication interfaces, timers) into one package. The PIC16LF1566 belongs to the 8-bit MCU hierarchy (8-bit core -> PIC16 -> PIC16LF family -> power management focused XLP line -> embedded microcontrollers -> semiconductors). Within a typical system it sits below the application processor and above discrete sensors, executing firmware that interprets sensor inputs, drives outputs, and manages communication with other ICs.
Key features include two 10-bit high-speed ADCs supporting hardware Capacitive Voltage Divider (CVD) modules, up to 23 analog channels, a total ADC sampling throughput of approximately 600k samples per second, two PWM modules, multiple serial communication peripherals (I2C, SPI, UART), 25 digital I/O lines, an integrated mTouch® capacitive-touch peripheral, and a wide 1.8V-3.6V operating range optimized for low-voltage and coin-cell applications. The device also features nanoWatt XLP sleep modes that drop quiescent current into the nanoamp range.
The PIC16LF1566 is implemented on a low-power CMOS process with on-chip regulated core voltage and brown-out reset. Its dual-ADC architecture with hardware CVD is unique among PIC16 parts and enables robust touch-sensing front-ends without burdening the CPU with repetitive conversion cycles. The combination of high analog channel count, mTouch support, and XLP nanoWatt operation makes the part stand out in capacitive-interface designs where most competing 8-bit MCUs offer only a single ADC.
Typical applications include mTouch capacitive touch buttons, sliders and proximity sensors, low-power IoT endpoints, wearable health and fitness devices, remote controls, sensor hubs, and general-purpose embedded control where a small footprint and low sleep current are required. The UQFN-28 4x4 mm package is well suited to compact PCB layouts where board area is at a premium.
When designing with this device, prioritize decoupling: place a 0.1 µF ceramic capacitor as close as possible to each VDD pin and follow Microchip's recommended ground pattern under the exposed thermal pad. The CVD-based touch sensing requires careful PCB layout and ground flooding - refer to Microchip application notes TB3069 and AN1478 for the canonical mTouch reference design patterns.
This page consolidates distributor pricing, drop-in UQFN-28 alternatives, application-circuit guidance, and comparison data that goes beyond the manufacturer datasheet, giving engineers a single, decision-ready view of the PIC16LF1566-I/MV for low-power embedded and mTouch designs.
드롭인 대체품: PIC16LF1566-I/MV — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16LF1566-I/MV (동일 폼 팩터 및 풋프린트) — 차이점: Package, Program Memory (Flash), Core Architecture, Operating Temperature, ADC.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16LF15385-I/MV
✅ 드롭인✓ 재고 있음
$1.15 / 개
데이터시트 보기 →PIC16LF1554-I/ML
✅ 드롭인✓ 재고 있음
$0.84 / 개
데이터시트 보기 →PIC16LF15355-I/MV
✅ 드롭인✓ 재고 있음
$1.05 / 개
데이터시트 보기 →PIC16LF15354-I/MV
✅ 드롭인✓ 재고 있음
$0.89 / 개
데이터시트 보기 →PIC16LF15376-E/MV
✅ 드롭인✓ 재고 있음
$1.68 / 개
데이터시트 보기 →PIC16LF1503-I/MV
✅ 드롭인✓ 재고 있음
$0.52 / 개
데이터시트 보기 →PIC16LF1566-I/MV 최대 정격 & 전기적 특성
| Product Family | PIC® XLP™ 16F |
| Core Architecture | 8-bit PIC |
| Maximum CPU Clock | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| 패키지 | 28-pin UQFN (4x4 mm) with exposed pad |
| 실장 유형 | Surface Mount |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins (max) | 25 |
| ADC Channels | Up to 23 analog channels |
| ADC Resolution | 10-bit |
| Number of ADCs | 2 |
| ADC Sample Rate (combined) | Up to 600 ksps |
| Capacitive Touch | mTouch® with hardware CVD |
| PWM Modules | 2 |
| Communication Peripherals | I2C, SPI, UART (EUSART) |
| Low-Power Technology | nanoWatt XLP™ |
| 동작 온도 | -40 °C to +85 °C (Industrial) |
| RoHS 상태 | Compliant |
PIC16LF1566-I/MV 핀 구성
| 핀 1 | RA5/AN17/CVD — Digital I/O / AN17 / CVD reference |
| 핀 2 | RA4/AN18 — Digital I/O / analog input 18 |
| 핀 3 | RA3/MCLR/VPP — Digital I/O / Master Clear / programming voltage |
| 핀 4 | RA2/AN19 — Digital I/O / analog input 19 |
| 핀 5 | RA1/ICSPCLK/AN20 — Digital I/O / ICD clock / analog input 20 |
| 핀 6 | RA0/ICSPDAT/AN21 — Digital I/O / ICD data / analog input 21 |
| 핀 7 | VSS — Ground reference |
| 핀 8 | RA7/OSC1/AN22 — Digital I/O / crystal oscillator input / analog input 22 |
| 핀 9 | RA6/OSC2/CLVD — Digital I/O / crystal oscillator output / CVD reference |
| 핀 10 | RC0/SOSCO — Digital I/O / secondary oscillator output |
| 핀 11 | RC1/SOSCI/AN16 — Digital I/O / secondary oscillator input / analog input 16 |
| 핀 12 | RC2/AN14 — Digital I/O / analog input 14 |
| 핀 13 | RC3/SCL1 — Digital I/O / I2C clock |
| 핀 14 | RC4/SDA1 — Digital I/O / I2C data |
| 핀 15 | RC5/SDO1 — Digital I/O / SPI data out |
| 핀 16 | RC6/SDI1/TX1 — Digital I/O / SPI data in / EUSART TX |
| 핀 17 | RC7/SCK1/RX1 — Digital I/O / SPI clock / EUSART RX |
| 핀 18 | VDD — Positive supply voltage (1.8V-3.6V) |
| 핀 19 | VSS — Ground reference |
| 핀 20 | RB7/AN15 — Digital I/O / analog input 15 |
| 핀 21 | RB6/AN8 — Digital I/O / analog input 8 |
| 핀 22 | RB5/AN11 — Digital I/O / analog input 11 |
| 핀 23 | RB4/AN9 — Digital I/O / analog input 9 |
| 핀 24 | RB3/AN9/CCP2 — Digital I/O / analog input 9 / CCP2 PWM output |
| 핀 25 | RB2/AN10 — Digital I/O / analog input 10 |
| 핀 26 | RB1/AN8/CCP1 — Digital I/O / analog input 8 / CCP1 PWM output |
| 핀 27 | RB0/AN12 — Digital I/O / analog input 12 |
| 핀 28 | EP — Exposed thermal pad (connect to VSS for thermal dissipation) |
일반적인 애플리케이션
PIC16LF1566-I/MV 적합 용도: 7 애플리케이션s: mTouch Capacitive Touch Buttons and Sliders, Battery-Powered IoT Sensor Hubs, Wearable Health and Fitness Devices, Industrial Sensor Front-Ends, Remote Controls and Human Interface Panels, Automotive Interior Switch Panels (Non-Safety), Smart Home and Building Automation Sensors.
mTouch Capacitive Touch Buttons and Sliders
The PIC16LF1566-I/MV is engineered for capacitive-touch front-ends: its two 10-bit ADCs with hardware CVD modules drive up to 23 analog channels, enabling robust button matrices and slider/wheel geometries without CPU-intensive scanning. The 14 KB Flash accommodates Microchip's mTouch library plus application logic, while the 1 KB RAM is sufficient for slider post-processing. In a typical 12-button keypad, the dual-ADC CVD hardware samples each electrode automatically, freeing the core to handle communication. Designers place the UQFN-28 4x4 mm package on the same PCB as the touch electrode pattern, with a hatched ground pour to maximize coupling immunity. The 32 MHz core resolves touch events in under 10 ms with firmware debouncing.
추천
Battery-Powered IoT Sensor Hubs
For coin-cell and 2xAA powered IoT nodes, the PIC16LF1566-I/MV's nanoWatt XLP technology drops sleep current into the nanoamp range while retaining RAM and ADC wake capability. The 1.8V-3.6V operating range matches Li-primary and alkaline chemistries directly. The dual ADC with CVD supports temperature, humidity, and battery-voltage monitoring on a single chip. At a 1% duty cycle the part can run multi-year on a single CR2032 coin cell, which is the key figure of merit for remote IoT deployments. The UQFN-28 4x4 mm footprint allows placement on miniaturized sensor PCBs alongside MEMS sensors, and the 32 MHz clock is fast enough for UART/I2C sensor hubs.
추천
Wearable Health and Fitness Devices
Wearable health devices such as fitness bands and smart watches require an MCU that can sample biopotential or optical sensor signals while drawing minimal quiescent current between samples. The PIC16LF1566-I/MV's dual 10-bit ADCs enable simultaneous sampling of heart-rate (PPG) and skin-conductance channels at the 600 ksps combined rate, while nanoWatt XLP keeps sleep power below 1 µA. The 14 KB Flash accommodates Microchip's heart-rate algorithm library, and 1 KB RAM buffers raw sample windows. The UQFN-28 4x4 mm package fits inside wristbands and chest straps. Designers pair it with a low-power BLE module via UART/I2C for radio offload.
추천
Industrial Sensor Front-Ends
Industrial sensor front-ends require robust analog input conditioning and long-term reliability. The PIC16LF1566-I/MV's dual-ADC architecture with hardware CVD handles both conventional voltage-mode sensors and capacitive proximity/level sensors on the same chip, simplifying BOM. The -40 °C to +85 °C industrial temperature range supports outdoor and factory deployments. Up to 23 analog channels allow multi-sensor aggregation on a single MCU. The 14 KB Flash holds calibration tables and Modbus RTU protocol stacks for industrial networking. The UQFN-28 4x4 mm footprint with exposed pad provides solid thermal performance in sealed enclosures.
추천
Remote Controls and Human Interface Panels
Remote controls for consumer electronics, HVAC, and smart-home hubs benefit from the PIC16LF1566-I/MV's combination of mTouch touch sensing, low sleep current, and small UQFN-28 footprint. The dual ADC with hardware CVD enables glass-overlay capacitive buttons and sliders, while the nanoWatt XLP technology allows multi-year battery life on 2xAAA cells. The 14 KB Flash holds IR/RF protocol stacks (NEC, RC5, BLE proprietary) and custom UI logic. The 32 MHz core delivers responsive button-to-transmit latency under 50 ms, critical for consumer remote user experience.
추천
Automotive Interior Switch Panels (Non-Safety)
While the PIC16LF1566-I/MV is not AEC-Q100 qualified, it can be used in non-safety automotive interior applications such as overhead console switches, courtesy lighting touch panels, and seat-control keypads where -40 °C to +85 °C industrial temperature range is sufficient. The dual-ADC mTouch peripheral supports backlit capacitive buttons with proximity wake-up, and nanoWatt XLP keeps quiescent draw on the battery below 100 µA when the vehicle is parked. The UQFN-28 4x4 mm footprint fits inside steering-wheel switch pods and door handle modules.
추천
Smart Home and Building Automation Sensors
Smart-home sensors (occupancy, ambient light, air-quality, leak detection) require the PIC16LF1566-I/MV's combination of multi-channel ADC, low sleep current, and small footprint. Up to 23 analog channels aggregate multiple sensor types on one MCU, and the dual-ADC with CVD can also drive capacitive moisture sensors on the same die. nanoWatt XLP allows multi-year operation on a single CR2477 coin cell. The UQFN-28 4x4 mm package supports surface-mount assembly in compact sensor pods mounted on ceilings, behind outlets, and inside HVAC ducts.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16LF1566-I/MV — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16LF15385-I/MV | PIC16LF1554-I/ML | PIC16LF15355-I/MV | PIC16LF15354-I/MV | PIC16LF1503-I/MV |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-UQFN (4x4 mm) | 28-UQFN (4x4 mm) - drop-in | 28-UQFN (4x4 mm) - drop-in | 28-UQFN (4x4 mm) - drop-in | 28-UQFN (4x4 mm) - drop-in | 28-UQFN (4x4 mm) - drop-in |
| Program Flash | 14 KB | 14 KB | 8 KB | 14 KB | 4 KB | 3.5 KB |
| Data RAM | 1 KB | 1 KB | 512 B | 1 KB | 512 B | 256 B |
| Max CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 16 MHz |
| ADC Modules / Channels | 2x 10-bit / 23 ch | 2x 10-bit / similar | 1x 10-bit / fewer | 1x 10-bit / fewer | 1x 10-bit / fewer | 1x 10-bit / fewer |
| mTouch Hardware CVD | Yes (dual-ADC CVD) | Yes (CVD) | Limited | Limited | Limited | No |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| XLP nanoWatt Low Power | Yes | Yes | Yes | Yes | Yes | Yes |
| Approx. Unit Price (qty 100) | $1.21 | ~$1.30 | ~$1.00 | ~$1.15 | ~$0.95 | ~$0.75 |
주요 차별점
- Dual 10-bit ADCs with hardware CVD for capacitive touch (vs PIC16LF1503-I/MV)
- Larger Flash and RAM (vs PIC16LF1554-I/ML)
- 23 analog channels vs. fewer on cost-down variants (vs PIC16LF15354-I/MV)
- Higher 32 MHz CPU clock vs. 16 MHz on entry parts (vs PIC16LF1503-I/MV)
설계 노트
Place a 0.1 µF ceramic decoupling capacitor as close as possible to each VDD pin (pins 18 and any tie lead) of the PIC16LF1566-I/MV, with a short, wide trace to the VSS plane. The exposed thermal pad (pin 28) must be soldered to a copper pad on the PCB and stitched with thermal vias to the internal ground plane. Follow Microchip's mTouch PCB-layout guide (AN1478) for ground flooding under touch electrodes; an unbroken hatched ground pour within 3 mm of the electrodes improves noise immunity and water-tolerance.
The PIC16LF1566-I/MV's nanoWatt XLP sleep current is in the nanoamp range but only when all peripherals are correctly disabled and the CVD module is fully powered down before sleep. Use the PPS (Peripheral Pin Select) module to map peripherals to specific I/O only when needed, and verify in the datasheet's DC characteristics table (typical 8 nA Sleep with WDT, RAM retention) that your firmware's sleep-entry sequence actually reaches the deepest Sleep state. Brown-out reset must be enabled for battery-powered designs to prevent flash corruption on cell brown-out.
Common pitfalls include: (1) forgetting to configure the analog pins as digital when changing modes, leading to excess current draw; (2) using the MCLR pin as a regular input without disabling the internal weak pull-up; (3) assuming the two ADC modules share a single sample-and-hold - they do not, so back-to-back conversions on different ADCs need an acquisition delay; (4) omitting the ICDISDAT/ICSPCLK pull-ups on RA0/RA1 when using ICSP programming, causing programming failures. Always reference Microchip's TB3069 and the device Family Reference Manual sections on ADC and CVD before finalizing firmware.
For CVD-based touch sensing, the trace from the analog pin to the touch electrode must be as short as practical (under 25 mm where feasible) and not routed parallel to noisy digital lines. Add a 1 nF to 10 nF series resistor close to the MCU pin to form an RC low-pass with the touch electrode capacitance, dampening ESD and conducted noise. The hardware CVD module automatically compensates for the parasitic capacitance of the trace, but excessive trace length degrades the signal-to-noise ratio of the touch measurement.
규정 준수 정보
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified - this is an industrial-grade (-40C to +85C) part, not automotive-grade.
