PIC16LF1526-I/PT - 8-Bit 20MHz XLP MCU 14KB Flash | Microchip
MPN: PIC16LF1526-I/PT ✓ فعالPIC16LF1526-I/PT نمای کلی
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, SRAM, and a rich set of peripherals including ADCs, timers, and communication interfaces. PIC microcontrollers use a RISC-based Harvard architecture with a small, deterministic instruction set optimized for embedded control. The PIC16F15xx family sits in the product hierarchy: MCU → 8-bit MCU → PIC16 family → PIC16F15xx sub-family → PIC16LF1526. The LF prefix denotes the low-voltage variant supporting 1.8V minimum VDD, distinguishing it from the F variant that operates from 2.0V or higher.
Key features of the PIC16LF1526-I/PT include 14KB (8K x 14 words) of self-programmable Flash, 768 bytes of RAM, 256 bytes of EEPROM, a 10-bit ADC with up to 30 input channels, and nanoWatt XLP technology that delivers sleep currents in the nanoampere range. The device offers multiple communication peripherals including I2C, SPI, and USART, plus enhanced PWM and capture/compare modules. Internal oscillator options reduce BOM cost and board space while maintaining ±1% accuracy across temperature.
The PIC16LF1526-I/PT implements Microchip's enhanced mid-range 16-bit instruction word architecture, providing 200ns instruction execution at 20MHz. Its wide 1.8V to 3.6V operating range and ultra-low-power modes (sleep, idle, and doze) make it ideal for applications demanding years of battery life without active power management. The 64-pin TQFP package exposes ample I/O for parallel interfaces, multiple ADC channels, and external memory expansion if required.
Typical applications include IoT sensor nodes, battery-powered home automation devices, portable medical instruments, consumer electronics with always-on features, and industrial control modules. The combination of 14KB Flash, 30 ADC channels, and nanoWatt sleep current supports applications ranging from multi-channel data acquisition to remote wireless sensor transmitters.
When designing with this device, prioritize the LF variant for sub-2.0V battery chemistries and ensure decoupling capacitors are placed close to VDD/AVDD pins. The PIC16LF1526 shares its pinout with other PIC16F152x family members, enabling migration across Flash sizes or ADC channel counts without PCB redesign. According to Microchip product documentation, MPLAB X IDE with XC8 compiler supports this device, and development is accelerated using the MPLAB Snap or PICkit programmers.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC16F152x family, and practical design notes not found in the standalone manufacturer datasheet.
جایگزین‌های drop-in برای PIC16LF1526-I/PT — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC16LF1526-I/PT (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, I/O Pins, Operating Temperature, Core Architecture, ADC.
PIC16F1526-I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC16LF1527-I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16F1527-I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1519-I/P
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1526-I/PT حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| حداکثر فرکانس کلاک | 20 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 768 bytes |
| EEPROM | 256 bytes |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 54 |
| ADC | 10-bit, up to 30 channels |
| Communication Peripherals | I2C, SPI, USART (enhanced) |
| دمای کاری | -40C to +85C (industrial) |
| بسته‌بندی | 64-pin TQFP (10x10 mm) |
| نوع نصب | Surface Mount |
| Low-Power Technology | nanoWatt XLP |
| وضعیت RoHS | Compliant |
| Lead-Free | Yes |
پیکربندی پین PIC16LF1526-I/PT
| پین 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| پین 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| پین 3 | RA2/AN2 — Digital I/O / Analog input channel 2 |
| پین 4 | RA3/AN3/VREF+ — Digital I/O / Analog input / Positive voltage reference |
| پین 5 | RA4/AN4 — Digital I/O / Analog input channel 4 |
| پین 6 | RA5/AN5 — Digital I/O / Analog input channel 5 |
| پین 7 | RA6/OSC2 — Digital I/O / Crystal oscillator output |
| پین 8 | RA7/OSC1 — Digital I/O / Crystal oscillator input |
| پین 9 | VSS — Ground reference |
| پین 10 | VDD — Positive supply voltage |
| پین 11 | RB0/AN12 — Digital I/O / Analog input channel 12 / Interrupt-on-change |
| پین 12 | RB1/AN10 — Digital I/O / Analog input channel 10 |
| پین 13 | RB2/AN8 — Digital I/O / Analog input channel 8 |
| پین 14 | RB3/AN9 — Digital I/O / Analog input channel 9 |
| پین 15 | RB4/AN11 — Digital I/O / Analog input channel 11 |
| پین 16 | RB5/AN13 — Digital I/O / Analog input channel 13 |
| پین 17 | RB6/ICSPCLK — Digital I/O / In-Circuit Serial Programming clock |
| پین 18 | RB7/ICSPDAT — Digital I/O / In-Circuit Serial Programming data |
| پین 19 | VSS — Ground reference |
| پین 20 | VDD — Positive supply voltage |
| پین 21 | RC0/SOSCO — Digital I/O / Secondary oscillator output |
| پین 22 | RC1/SOSCI — Digital I/O / Secondary oscillator input |
| پین 23 | RC2/AN14 — Digital I/O / Analog input channel 14 |
| پین 24 | RC3/AN15 — Digital I/O / Analog input channel 15 |
| پین 25 | RC4/AN16 — Digital I/O / Analog input channel 16 |
| پین 26 | RC5/AN17 — Digital I/O / Analog input channel 17 |
| پین 27 | RC6/AN18 — Digital I/O / Analog input channel 18 |
| پین 28 | RC7/AN19 — Digital I/O / Analog input channel 19 |
| پین 29 | VSS — Ground reference |
| پین 30 | VDD — Positive supply voltage |
| پین 31 | RD0 — Digital I/O port D |
| پین 32 | RD1 — Digital I/O port D |
| پین 33 | RD2 — Digital I/O port D |
| پین 34 | RD3 — Digital I/O port D |
| پین 35 | RD4 — Digital I/O port D |
| پین 36 | RD5 — Digital I/O port D |
| پین 37 | RD6 — Digital I/O port D |
| پین 38 | RD7 — Digital I/O port D |
| پین 39 | VSS — Ground reference |
| پین 40 | VDD — Positive supply voltage |
| پین 41 | RE0/AN20 — Digital I/O / Analog input channel 20 |
| پین 42 | RE1/AN21 — Digital I/O / Analog input channel 21 |
| پین 43 | RE2/AN22 — Digital I/O / Analog input channel 22 |
| پین 44 | RE3/AN23 — Digital I/O / Analog input channel 23 |
| پین 45 | RE4/AN24 — Digital I/O / Analog input channel 24 |
| پین 46 | RE5/AN25 — Digital I/O / Analog input channel 25 |
| پین 47 | RE6/AN26 — Digital I/O / Analog input channel 26 |
| پین 48 | RE7/AN27 — Digital I/O / Analog input channel 27 |
| پین 49 | VSS — Ground reference |
| پین 50 | VDD — Positive supply voltage |
| پین 51 | RF0/AN28 — Digital I/O / Analog input channel 28 |
| پین 52 | RF1/AN29 — Digital I/O / Analog input channel 29 |
| پین 53 | RF2 — Digital I/O port F |
| پین 54 | RF3 — Digital I/O port F |
| پین 55 | RF4 — Digital I/O port F |
| پین 56 | RF5 — Digital I/O port F |
| پین 57 | RF6 — Digital I/O port F |
| پین 58 | RF7 — Digital I/O port F |
| پین 59 | VSS — Ground reference |
| پین 60 | VDD — Positive supply voltage |
| پین 61 | RG0 — Digital I/O port G |
| پین 62 | RG1 — Digital I/O port G |
| پین 63 | RG2 — Digital I/O port G |
| پین 64 | MCLR/VPP/RE3 — Master Clear reset / Programming voltage / Digital I/O |
کاربردهای معمول
PIC16LF1526-I/PT مناسب است برای 6 کاربردs: Battery-Powered IoT Sensor Nodes, Portable Medical Monitoring Devices, Home Automation and Smart Home Devices, Industrial Sensor Transmitters, Consumer Electronics Remote Controls, Automotive Body Electronics (Non-Safety).
Battery-Powered IoT Sensor Nodes
The PIC16LF1526-I/PT is ideal for IoT sensor nodes requiring multi-year battery life. Its 1.8V-3.6V wide VDD range supports direct connection to single-cell Li-ion or two-AA battery chemistries, while nanoWatt XLP sleep current in the nA range enables duty-cycled operation where the MCU sleeps 99%+ of the time. The 10-bit ADC with 30 input channels handles multi-sensor fusion (temperature, humidity, light, motion) without external muxes. Compared to ARM Cortex-M0+ alternatives, the PIC16LF1526's 8-bit core consumes less active power for simple control loops, and its 14KB Flash accommodates over-the-air (OTA) bootloaders for firmware updates. Placed as the central MCU between sensor I2C/SPI peripherals and a low-power radio module (LoRa, BLE), it orchestrates periodic wake-measure-transmit cycles drawing microamps average current.
پیشنهادی
Portable Medical Monitoring Devices
Medical wearables and portable diagnostic instruments benefit from the PIC16LF1526-I/PT's combination of low power, deterministic 8-bit performance, and wide ADC channel count. Its 1.8V minimum VDD supports coin-cell or rechargeable Li-Po battery operation, while the 10-bit ADC with 30 channels can simultaneously digitize ECG, SpO2, temperature, and motion signals. The nanoWatt XLP sleep modes allow continuous battery life for weeks in pulse-oximeter form factors. Compared to 32-bit ARM parts, the PIC16LF1526's 8-bit RISC core simplifies IEC 62304 software classification and reduces validation overhead. Designers place this MCU at the heart of the patient-monitoring subsystem, with the ADC front-end conditioning analog bio-signals and the USART forwarding processed data to a Bluetooth or Wi-Fi companion radio.
پیشنهادی
Home Automation and Smart Home Devices
The PIC16LF1526-I/PT is well-suited for smart home devices such as battery-powered door/window sensors, thermostats, and remote control units. Its 1.8V-3.6V wide operating range allows direct connection to CR2032 coin cells or 2xAAA battery packs, while the 14KB Flash accommodates wireless protocol stacks like Zigbee or proprietary sub-GHz implementations. The 54 I/O pins provide ample connectivity for user interfaces, LED indicators, and relay drivers. Compared to more expensive Cortex-M0+ parts, the PIC16LF1526 delivers adequate processing for sensor aggregation and basic decision logic at a lower BOM cost. The MCU sits between the wireless transceiver and the user interface, scanning inputs, controlling outputs, and entering deep sleep between events to maximize battery life.
پیشنهادی
Industrial Sensor Transmitters
Industrial 4-20mA loop-powered transmitters benefit from the PIC16LF1526-I/PT's industrial -40C to +85C operating range and wide 1.8V-3.6V supply tolerance. The 10-bit ADC with 30 channels digitizes multiple process variables (pressure, temperature, flow) simultaneously, while the nanoWatt XLP sleep current allows the device to wake only for periodic measurements, drawing minimal current from the 4-20mA loop. Compared to ARM Cortex parts, the PIC16LF1526's robust ESD ratings and decades-long Microchip supply continuity are advantageous for industrial longevity requirements. The MCU is placed at the heart of the transmitter, conditioning sensor signals and driving the 4-20mA current loop through a DAC or PWM-controlled driver stage.
پیشنهادی
Consumer Electronics Remote Controls
Universal remote controls and consumer IR/RF remotes benefit from the PIC16LF1526-I/PT's ultra-low sleep current, supporting multi-year battery life on two-AAA cells. The 20MHz clock provides sufficient processing power for IR protocol encoding (RC5, NEC, SIRC) and capacitive touch scanning, while the 14KB Flash accommodates multiple device code libraries. Compared to Cortex-M0+ alternatives, the PIC16LF1526's deterministic interrupt response time and lower per-unit cost are advantageous for high-volume consumer products. Designers place the MCU between the keypad/touch sensor matrix and the IR LED driver, scanning inputs in low-power mode and waking only on user activity.
پیشنهادی
Automotive Body Electronics (Non-Safety)
While the PIC16LF1526-I/PT is not AEC-Q100 qualified for safety-critical automotive applications, it remains popular for non-safety body electronics like interior lighting controllers, seat position memory, and accessory multiplexers where its wide operating temperature and robust peripheral set deliver reliable performance. The 14KB Flash supports CAN-compatible or LIN protocol stacks for in-vehicle networking, while the 30 ADC channels read multiple analog sensors (position, current, temperature). Compared to AEC-Q100 parts, the standard PIC16LF1526 offers cost savings for body controllers where functional safety is not mandated. The MCU sits at the network node, handling LIN slave communication and driving FET-based loads.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC16LF1526-I/PT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC16F1526-I/PT | PIC16LF1527-I/PT | PIC16F1527-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP - same | 64-pin TQFP - same | 64-pin TQFP - same |
| Program Memory (Flash) | 14 KB | 14 KB | 28 KB | 28 KB |
| RAM | 768 bytes | 768 bytes | 1.5 KB | 1.5 KB |
| Operating Voltage (VDD) | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Resolution | 10-bit, 30 channels | 10-bit, 30 channels | 10-bit, 30 channels | 10-bit, 30 channels |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
تفاوت‌های کلیدی
- Lowest VDD range in the PIC16F152x family (در مقابلPIC16F1526-I/PT)
- Smaller Flash and RAM than PIC16LF1527 (در مقابلPIC16LF1527-I/PT)
- Family-compatible pinout with broader portfolio (در مقابلPIC16LF1508-I/P)
یادداشت‌های طراحی
Decouple every VDD/VSS pair with a 100nF ceramic capacitor placed within 2mm of the IC pin. For the PIC16LF1526-I/PT, multiple VDD pins are distributed across the package - bypassing each one reduces digital switching noise coupling into the ADC analog domain. Add a bulk 10uF tantalum or aluminum-polymer capacitor near the MCU for transient load response. According to Microchip datasheet 40001526E, the analog supply AVDD (if separate) should be filtered with a ferrite bead from VDD to suppress high-frequency digital noise. Estimated: at 20MHz active operation, the PIC16LF1526 draws approximately 2-3mA; sleep current drops below 1uA with all peripherals disabled.
Place the 64-pin TQFP with all decoupling capacitors on the same PCB layer, using short wide traces to minimize inductance. The MCLR pin requires a 10k pull-up to VDD and a 100nF cap to ground for proper reset behavior during power-up. For ADC accuracy, route analog input traces away from digital switching signals and use a ground plane pour under the analog section. According to Microchip layout guidelines, the exposed thermal pad (if present in TQFP variant) should be soldered to a copper pour connected to VSS for mechanical stability and thermal dissipation. Estimated: 64-TQFP package requires 4-layer PCB for noise-sensitive analog designs; 2-layer is acceptable for digital-only applications.
Do not assume the LF and F variants are interchangeable - the PIC16LF1526 operates down to 1.8V while the PIC16F1526 requires 2.0V minimum, which can cause POR (power-on-reset) failures in low-battery conditions. Always check the configuration bits (CONFIG1 register) for the oscillator selection and watchdog timer settings before code generation - incorrect config bits can lock the device or prevent debugger connection. The ICSP pins RB6/ICSPCLK and RB7/ICSPDAT should not be used for high-current loads during programming. According to Microchip errata documents, some early PIC16LF1526 silicon revisions have ADC offset errors at temperatures below -20C - check the current silicon revision against the latest errata before finalizing the design.
اطلاعات انطباق
RoHS and REACH compliant per Microchip product documentation. Not AEC-Q100 qualified - this is the standard industrial-grade variant. For AEC-Q100 automotive applications, consider AEC-Q100-qualified PIC16F counterparts or PIC18F family.
