PIC16LF1527T-I/MR - 8-bit XLP MCU, 28KB Flash, 64-VQFN | Microchip
MPN: PIC16LF1527T-I/MR ✓ Hoạt độngPIC16LF1527T-I/MR Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, peripherals, and digital I/O into one package. The 8-bit PIC family uses a Harvard RISC architecture optimised for deterministic interrupt response and compact code density. Within the power-management hierarchy, the PIC16LF1527 sits in the XLP (eXtreme Low Power) sub-family, sitting below the dsPIC33 and PIC32 families in Microchip's 16-bit / 32-bit tier and above the baseline PIC10/12/16 baseline parts in computational capability. Its low-voltage (LF) variant operates below 3.6 V, distinguishing it from the PIC16F1527 which tolerates 5 V.
Key features include the nanoWatt XLP sleep current of approximately 20 nA typical, an integrated 10-bit ADC, multiple PWM/CCP/ECCP modules, I2C/SPI/EUSART peripherals, and a wide operating temperature range of -40 C to +85 C (Industrial, "I"). The device supports in-circuit serial programming (ICSP) and in-circuit debug (ICD) via two pins, eliminating the need for an external programmer socket.
Architecturally, the PIC16LF1527T-I/MR uses a 14-bit instruction word core with a 16-bit data path, 8-level hardware stack, and interrupt-driven peripheral arbitration. The 64-VQFN (9x9) package provides an exposed pad for thermal dissipation and reduced ground inductance. Tape-and-reel packaging ("T") supports high-volume SMT assembly lines.
Typical applications include low-power IoT sensor nodes, battery-powered handheld instruments, consumer appliance controllers, automotive body and HMI modules, and industrial telemetry where the LF (low-voltage) variant, XLP sleep current, and 64-VQFN footprint minimise PCB area while maximising battery life. Designers choose this part when 28 KB of Flash is sufficient and 3.3 V-only operation is acceptable.
A practical design tip: route the exposed thermal pad (EP) to a single continuous ground plane stitched with multiple vias for both thermal and electrical performance. Always de-couple VDD with a 100 nF ceramic capacitor placed within 3 mm of the supply pin.
This page synthesises distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet alone, providing engineers with a complete decision framework for selecting and sourcing the PIC16LF1527T-I/MR.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1527T-I/MR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF1527T-I/MR (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Program Memory (Flash), Supply Voltage (VDD), CPU Speed.
PIC16F1527T-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1526T-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1527-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1527-E/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1527-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1526-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1527T-I/MR Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Family | PIC16F/LF152x (XLP nanoWatt) |
| Instruction Word | 14-bit |
| Maximum CPU Speed | 20 MHz (20 MIPS) |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 1536 bytes |
| Data EEPROM | 256 bytes |
| Supply Voltage (VDD) | 2.5 V to 3.6 V |
| I/O Pins | 18 |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Hộp | 64-pin VQFN (MR), 9 x 9 mm with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Packaging Style | Tape & Reel ("T") |
| ADC | 10-bit |
| Communication Peripherals | EUSART, I2C, SPI |
| Trạng thái RoHS | Compliant (lead-free, per DigiKey listing) |
Cấu hình chân PIC16LF1527T-I/MR
| Chân 1 | RA0/AN0 — Digital I/O port A bit 0 / analog channel 0 |
| Chân 2 | RA1/AN1 — Digital I/O port A bit 1 / analog channel 1 |
| Chân 3 | RA2/AN2 — Digital I/O port A bit 2 / analog channel 2 |
| Chân 4 | RA3/AN3 — Digital I/O port A bit 3 / analog channel 3 |
| Chân 5 | RA4/AN4 — Digital I/O port A bit 4 / analog channel 4 |
| Chân 6 | RA5/AN5 — Digital I/O port A bit 5 / analog channel 5 |
| Chân 7 | RA6/AN6 — Digital I/O port A bit 6 / analog channel 6 |
| Chân 8 | RA7/AN7 — Digital I/O port A bit 7 / analog channel 7 |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply 2.5 V to 3.6 V |
| Chân 11 | RB0/INT — Digital I/O port B bit 0 / external interrupt |
| Chân 12 | RB1 — Digital I/O port B bit 1 |
| Chân 13 | RB2 — Digital I/O port B bit 2 |
| Chân 14 | RB3 — Digital I/O port B bit 3 |
| Chân 15 | RB4 — Digital I/O port B bit 4 |
| Chân 16 | RB5 — Digital I/O port B bit 5 |
| Chân 17 | RB6/ICSPCLK — Digital I/O port B bit 6 / ICSP clock |
| Chân 18 | RB7/ICSPDAT — Digital I/O port B bit 7 / ICSP data |
| Chân 19 | RC0 — Digital I/O port C bit 0 |
| Chân 20 | RC1 — Digital I/O port C bit 1 |
| Chân 21 | RC2 — Digital I/O port C bit 2 |
| Chân 22 | RC3 — Digital I/O port C bit 3 |
| Chân 23 | RC4 — Digital I/O port C bit 4 |
| Chân 24 | RC5 — Digital I/O port C bit 5 |
| Chân 25 | RC6 — Digital I/O port C bit 6 |
| Chân 26 | RC7 — Digital I/O port C bit 7 |
| Chân 27 | VSS — Ground reference |
| Chân 28 | VDD — Positive supply 2.5 V to 3.6 V |
| Chân 29 | RD0 — Digital I/O port D bit 0 |
| Chân 30 | RD1 — Digital I/O port D bit 1 |
| Chân 31 | RD2 — Digital I/O port D bit 2 |
| Chân 32 | RD3 — Digital I/O port D bit 3 |
| Chân 33 | RD4 — Digital I/O port D bit 4 |
| Chân 34 | RD5 — Digital I/O port D bit 5 |
| Chân 35 | RD6 — Digital I/O port D bit 6 |
| Chân 36 | RD7 — Digital I/O port D bit 7 |
| Chân 37 | VSS — Ground reference |
| Chân 38 | VDD — Positive supply 2.5 V to 3.6 V |
| Chân 39 | RE0 — Digital I/O port E bit 0 |
| Chân 40 | RE1 — Digital I/O port E bit 1 |
| Chân 41 | RE2 — Digital I/O port E bit 2 |
| Chân 42 | RE3 — Digital I/O port E bit 3 |
| Chân 43 | RE4 — Digital I/O port E bit 4 |
| Chân 44 | RE5 — Digital I/O port E bit 5 |
| Chân 45 | RE6 — Digital I/O port E bit 6 |
| Chân 46 | RE7 — Digital I/O port E bit 7 |
| Chân 47 | VSS — Ground reference |
| Chân 48 | VDD — Positive supply 2.5 V to 3.6 V |
| Chân 49 | RF0 — Digital I/O port F bit 0 |
| Chân 50 | RF1 — Digital I/O port F bit 1 |
| Chân 51 | RF2 — Digital I/O port F bit 2 |
| Chân 52 | RF3 — Digital I/O port F bit 3 |
| Chân 53 | RF4 — Digital I/O port F bit 4 |
| Chân 54 | RF5 — Digital I/O port F bit 5 |
| Chân 55 | RF6 — Digital I/O port F bit 6 |
| Chân 56 | RF7 — Digital I/O port F bit 7 |
| Chân 57 | RG0 — Digital I/O port G bit 0 |
| Chân 58 | RG1 — Digital I/O port G bit 1 |
| Chân 59 | RG2 — Digital I/O port G bit 2 |
| Chân 60 | RG3 — Digital I/O port G bit 3 |
| Chân 61 | RG4 — Digital I/O port G bit 4 |
| Chân 62 | RG5 — Digital I/O port G bit 5 |
| Chân 63 | MCLR — Master Clear reset input (active low) |
| Chân 64 | OSC1/CLKIN — Crystal oscillator input or external clock in |
Ứng dụng tiêu biểu
PIC16LF1527T-I/MR phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Consumer Appliance Control Board, Automotive Body and HMI Module, Industrial Telemetry and Data Logger, Handheld Medical Monitoring Accessory, Smart Home Lighting Controller.
Battery-Powered IoT Sensor Node
The PIC16LF1527T-I/MR is purpose-built for battery-powered IoT sensor nodes where its nanoWatt XLP architecture delivers typical sleep currents below 20 nA, enabling multi-year battery life on a single CR2032 coin cell. The 28 KB Flash accommodates sensor-fusion algorithms and small TCP/MQTT client stacks, while the 1536 bytes of SRAM handles local buffering. Its 18 I/O pins allow direct connection to temperature, humidity, and motion sensors, and the integrated 10-bit ADC simplifies analog front-end design. Compared to switching regulators, the LF part's 2.5 V to 3.6 V supply window fits a regulated 3.3 V rail without additional level shifting. Companion MPNs include the MCP9808 temperature sensor and RN4871 Bluetooth module.
Được đề xuất
Consumer Appliance Control Board
The PIC16LF1527T-I/MR suits consumer appliance controllers such as coffee makers, washing machines, and air purifiers where its 20 MHz CPU and integrated PWM/ECCP modules drive motors, valves, and indicator LEDs directly without external driver ICs. The 64-VQFN 9x9 mm package keeps the PCB footprint compact for slim enclosures, and the 18 I/O pins accommodate user buttons, seven-segment displays, and rotary encoders. The 256-byte EEPROM stores user settings and calibration across power cycles. Compared to the PIC16F877A legacy part, the LF1527 provides more Flash (28 KB vs 14 KB) in a smaller QFN package. Pair it with the MCP1700 LDO regulator and a TC1047A analog temperature sensor.
Được đề xuất
Automotive Body and HMI Module
The PIC16LF1527T-I/MR is suitable for non-safety automotive body and HMI applications such as seat control, mirror adjustment, ambient lighting, and HVAC control panels. Its industrial -40 C to +85 C temperature range handles cabin environments, and the PIC16LF1527-E/MR variant extends to -40 C to +125 C for under-hood mounting. The EUSART, I2C, and SPI peripherals interface with LIN/CAN transceivers and capacitive touch controllers, while the 10-bit ADC reads rotary encoders and current-sense amplifiers. Automotive designs should use the -Q1 qualified PIC16LF1527-E/MR variant for AEC-Q100 compliance. Companion ICs include the MCP2515 CAN controller and ATA663231 LIN transceiver.
Được đề xuất
Industrial Telemetry and Data Logger
Industrial telemetry and portable data loggers benefit from the PIC16LF1527T-I/MR's 256-byte EEPROM for parameter storage, 28 KB Flash for embedded file-system FAT routines, and 10-bit ADC for direct sensor digitisation. The 20 MHz CPU supports MODBUS RTU slave protocols over EUSART with sufficient headroom for cyclic redundancy checks and timestamp management. The 64-VQFN package with exposed thermal pad improves thermal performance in sealed enclosures. Compared to PIC24/dsPIC33 alternatives, the LF1527 reduces BOM cost by 50 percent while delivering adequate performance for sub-kHz sampling telemetry. Pair with the MCP2221 USB-UART bridge for PC connectivity and the MCP79410 I2C RTC.
Được đề xuất
Handheld Medical Monitoring Accessory
The PIC16LF1527T-I/MR fits handheld medical accessories such as pulse-oximeter probes, smart pill-bottle caps, and personal spirometers where its XLP nanoWatt sleep current minimises battery drain between measurements. The 10-bit ADC captures photodiode or thermistor signals from sensors, while the integrated PWM drives LED or buzzer indicators. The 2.5 V to 3.6 V supply window operates from a single lithium coin cell. Note that FDA-compliant designs require additional qualification of the full system; this MCU is suitable as a sub-component but is itself not FDA-cleared. Companion ICs include the MAX30102 pulse-oximeter sensor and TPS7A02 LDO.
Được đề xuất
Smart Home Lighting Controller
The PIC16LF1527T-I/MR drives smart-home lighting controllers including Zigbee/Z-Wave end nodes, RGBW LED strips, and DALI-compatible fixtures. Its ECCP modules generate multiple PWM channels for RGB colour mixing and white-temperature blending, while the EUSART interfaces with the host radio module. The 28 KB Flash accommodates colour-management and fade-curve algorithms, and the 18 I/O pins handle capacitive-touch keys and rotary dimmer inputs. Compared to bare 8-bit competitors, the LF1527 offers a wider Flash budget in the same 64-VQFN footprint. Companion parts include the MCP1640 boost converter for LED supply rails and the ATMEGA328PB for Z-Wave firmware migration paths.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1527T-I/MR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F1527T-I/MR | PIC16LF1526T-I/MR | PIC16LF1527-I/MR | PIC16LF1527-E/MR |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-VQFN (MR) 9x9 mm | 64-VQFN (MR) 9x9 mm | 64-VQFN (MR) 9x9 mm | 64-VQFN (MR) 9x9 mm | 64-VQFN (MR) 9x9 mm |
| Supply Voltage | 2.5 V to 3.6 V | 1.8 V to 5.5 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V |
| Flash Program Memory | 28 KB | 28 KB | 16 KB | 28 KB | 28 KB |
| Data RAM | 1536 bytes | 1536 bytes | 1536 bytes | 1536 bytes | 1536 bytes |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| CPU Clock (max) | 20 MHz / 20 MIPS | 20 MHz / 20 MIPS | 20 MHz / 20 MIPS | 20 MHz / 20 MIPS | 20 MHz / 20 MIPS |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
| I/O Pin Count | 18 | 18 | 18 | 18 | 18 |
| Packaging Style | Tape & Reel | Tape & Reel | Tape & Reel | Tube | Tray / Tube |
Bảo phân biệt quan trọng
- Lower-voltage operation with same package (vsPIC16F1527T-I/MR)
- Higher code budget in same package (vsPIC16LF1526T-I/MR)
- Extended temperature option available (vsPIC16LF1527-E/MR)
- XLP nanoWatt power architecture (vsPIC16F877A legacy part)
Ghi chú thiết kế
Place a 100 nF X7R 0402 ceramic decoupling capacitor within 3 mm of every VDD pin and a 10 uF bulk capacitor near the MCU. The PIC16LF1527T-I/MR has four VDD pins (10, 28, 38, 48) and four VSS pins (9, 27, 37, 47); each VDD pin requires its own 100 nF bypass capacitor. For battery-powered designs, use the nanoWatt XLP Sleep mode with the Watchdog Timer disabled to reach typical sleep currents around 20 nA.
The 64-VQFN (MR) package includes an exposed thermal pad (EP) that must be soldered to a single continuous ground plane with multiple thermal vias (typically 9 to 16 vias in a 3x3 grid pattern) to meet the datasheet's thermal resistance specification. The exposed pad lowers junction-to-ambient thermal resistance and reduces ground-bounce during switching. Forbid using the EP as a signal-trace conduit.
Route the ICSP clock (RB6/ICSPCLK, pin 17) and ICSP data (RB7/ICSPDAT, pin 18) signals away from switching nodes to avoid programming failure in noisy environments. Reserve a 2x5 0.1-inch header footprint or Tag-Connect pads for in-circuit programming and debugging. Keep MCLR (pin 63) trace short with a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for clean reset.
Do not exceed VDD 3.6 V on the LF variant - the LF1527 silicon lacks internal 5 V tolerance and is damaged by over-voltage. For 5 V systems use the PIC16F1527T-I/MR. Always configure unused I/O pins as outputs with logic low (not high-impedance) to minimise sleep current. Programming the configuration bits correctly to enable the internal oscillator eliminates the need for external crystals in cost-sensitive designs.
Use guard rings around sensitive analog inputs (AN0-AN7 on RA0-RA7) tied to a quiet analog ground to reduce digital switching noise pickup on the 10-bit ADC. Run ADC conversions with the device in Sleep mode (with internal RC ADC clock) for best noise performance - this technique typically improves ADC ENOB by 1 bit compared to conversions during full CPU operation.
Thông tin tuân thủ
RoHS compliant per DigiKey listing and Microchip product page. LF1527 part is not AEC-Q100 qualified - choose a -Q1 suffixed variant for automotive. REACH compliance per Microchip standard product statement.
