PIC16LF1526-E/PT - 8-Bit MCU 14KB Flash 64-TQFP | Microchip
N.º da peça: PIC16LF1526-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.1 | $6,10 |
| 10 | $5.49 | $54,90 |
| 100 | $4.85 | $485,00 |
| 500 | $4.32 | $2.160,00 |
| 1.000 | $3.8 | $3.800,00 |
PIC16LF1526-E/PT Visão geral
Background Knowledge: An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus and a RISC or CISC CPU core. The PIC16 family from Microchip uses a modified Harvard RISC architecture that executes one instruction per cycle (200 ns at 20 MHz) and is positioned in the hierarchy as: MCU -> microcontroller -> embedded processor -> semiconductor. The 'LF' suffix denotes the low-voltage variant (1.8V-3.6V) of the F-series, and the family is known for its nanoWatt XLP extreme-low-power technology aimed at battery-powered and energy-harvesting applications.
Key features include a 20 MHz maximum CPU clock, 10-bit ADC with multiple channels, 10x CCP (Capture/Compare/PWM) modules, 2x SPI, 2x I2C (Master mode), and 2x EUSART peripherals. The device integrates nanoWatt XLP sleep modes for sub-microamp standby current, integrated debug support (no debug header required), and ICSP (In-Circuit Serial Programming) for field updates.
The PIC16LF1526 uses Microchip's enhanced mid-range core with a 14-bit instruction word, providing a single-cycle hardware multiplier, interrupt context save/restore on stack, and 31-level hardware stack. Memory-mapped peripherals share a unified bus, and the device supports PICkit 3, MPLAB ICD 3, and MPLAB X IDE development tools.
Typical applications include low-power sensor nodes, battery-powered IoT endpoints, consumer appliances with capacitive touch UIs, industrial control panels, and USB HID/CDC interfaces. The wide operating voltage (1.8V-3.6V) and low sleep current make it ideal for products powered by coin-cell or 2xAA batteries where months-to-years of battery life are required.
When designing with this MCU, mind the absolute maximum VDD of 3.6V (the LF variant); connecting a 5V rail will permanently damage the part. Use decoupling caps of 100 nF + 1 uF per VDD pin, and place the ICSPCLK/ICSPDAT traces away from high-frequency switching signals to avoid debug lockups.
This page synthesizes distributor pricing, drop-in PIC16 family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para PIC16LF1526-E/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC16LF1526-E/PT (mesmo formato e footprint) — diferindo em Operating Temperature, Package, ADC, Core Architecture, I/O Pins.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16LF1526-I/PT
✅ Drop-In✓ Em estoque
$1.74 / unidade
Ver ficha técnica →PIC16LF1527-I/PT
✅ Drop-In✓ Em estoque
$2.27 / unidade
Ver ficha técnica →PIC16F1526-E/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.42 / unidade
Ver ficha técnica →PIC16LF1519-I/P
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.99 / unidade
Ver ficha técnica →PIC16LF1526-E/MR
✅ Drop-In✓ Em estoque
$1.06 / unidade
Ver ficha técnica →PIC16LF1526-E/PT Classificações máximas e características elétricas
| Core | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 768 bytes |
| Maximum CPU Frequency | 20 MHz |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 10-bit |
| CCP Modules | 10 |
| SPI | 2 |
| I2C (Master) | 2 |
| EUSART | 2 |
| Encapsulamento | 64-TQFP (10x10 mm) |
| Contagem de pinos | 64 |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +125C (E suffix) |
| Instruction Set | 14-bit PIC16 enhanced mid-range |
| Low-Power Technology | nanoWatt XLP |
| Debug Support | Integrated, no debug header required (PICkit 3 / MPLAB ICD 3) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Status RoHS | Compliant |
Configuração de pinos do PIC16LF1526-E/PT
| Pino 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Pino 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Pino 3 | RA2/AN2 — Digital I/O / Analog input channel 2 |
| Pino 4 | RA3/AN3 — Digital I/O / Analog input channel 3 |
| Pino 5 | RA4/AN4 — Digital I/O / Analog input channel 4 |
| Pino 6 | RA5/AN5 — Digital I/O / Analog input channel 5 |
| Pino 7 | VSS — Ground reference |
| Pino 8 | VDD — Positive supply (1.8V-3.6V) |
| Pino 9 | RA6/OSC2 — Digital I/O / Crystal oscillator output |
| Pino 10 | RA7/OSC1 — Digital I/O / Crystal oscillator input |
| Pino 11 | RB0/AN8 — Digital I/O / Analog input channel 8 / Interrupt-on-change |
| Pino 12 | RB1/AN9 — Digital I/O / Analog input channel 9 |
| Pino 13 | RB2/AN10 — Digital I/O / Analog input channel 10 |
| Pino 14 | RB3/AN11 — Digital I/O / Analog input channel 11 |
| Pino 15 | RB4/AN12 — Digital I/O / Analog input channel 12 |
| Pino 16 | RB5/AN13 — Digital I/O / Analog input channel 13 |
| Pino 17 | RB6/ICSPCLK — Digital I/O / ICSP clock (programming/debug) |
| Pino 18 | RB7/ICSPDAT — Digital I/O / ICSP data (programming/debug) |
| Pino 19 | VDD — Positive supply (1.8V-3.6V) |
| Pino 20 | VSS — Ground reference |
| Pino 21 | RC0 — Digital I/O |
| Pino 22 | RC1 — Digital I/O |
| Pino 23 | RC2 — Digital I/O |
| Pino 24 | RC3 — Digital I/O |
| Pino 25 | RC4 — Digital I/O |
| Pino 26 | RC5 — Digital I/O |
| Pino 27 | RC6 — Digital I/O |
| Pino 28 | RC7 — Digital I/O |
| Pino 29 | RE0 — Digital I/O (port E) |
| Pino 30 | RE1 — Digital I/O (port E) |
| Pino 31 | VSS — Ground reference |
| Pino 32 | VDD — Positive supply (1.8V-3.6V) |
| Pino 33 | RD0 — Digital I/O (port D) |
| Pino 34 | RD1 — Digital I/O (port D) |
| Pino 35 | RD2 — Digital I/O (port D) |
| Pino 36 | RD3 — Digital I/O (port D) |
| Pino 37 | RD4 — Digital I/O (port D) |
| Pino 38 | RD5 — Digital I/O (port D) |
| Pino 39 | RD6 — Digital I/O (port D) |
| Pino 40 | RD7 — Digital I/O (port D) |
| Pino 41 | RF0 — Digital I/O (port F) |
| Pino 42 | RF1 — Digital I/O (port F) |
| Pino 43 | VSS — Ground reference |
| Pino 44 | VDD — Positive supply (1.8V-3.6V) |
| Pino 45 | RG0 — Digital I/O (port G) |
| Pino 46 | RG1 — Digital I/O (port G) |
| Pino 47 | RG2 — Digital I/O (port G) |
| Pino 48 | RG3 — Digital I/O (port G) |
| Pino 49 | RG4 — Digital I/O (port G) |
| Pino 50 | RF2 — Digital I/O (port F) |
| Pino 51 | RF3 — Digital I/O (port F) |
| Pino 52 | RF4 — Digital I/O (port F) |
| Pino 53 | RF5 — Digital I/O (port F) |
| Pino 54 | RF6 — Digital I/O (port F) |
| Pino 55 | RF7 — Digital I/O (port F) |
| Pino 56 | RH0 — Digital I/O (port H) |
| Pino 57 | RH1 — Digital I/O (port H) |
| Pino 58 | RH2 — Digital I/O (port H) |
| Pino 59 | RH3 — Digital I/O (port H) |
| Pino 60 | RH4 — Digital I/O (port H) |
| Pino 61 | RH5 — Digital I/O (port H) |
| Pino 62 | RH6 — Digital I/O (port H) |
| Pino 63 | RH7 — Digital I/O (port H) |
| Pino 64 | MCLR/VPP — Master Clear reset input / Programming voltage |
Aplicações típicas
PIC16LF1526-E/PT é adequado para 6 aplicaçãos: Battery-Powered IoT Sensor Nodes, Consumer Appliance Control Panels, Capacitive Touch User Interfaces, Industrial Sensor Transmitters, USB HID / CDC Device Interfaces, Automotive Body Control Modules.
Battery-Powered IoT Sensor Nodes
The PIC16LF1526-E/PT is a strong fit for battery-powered IoT sensor nodes because its nanoWatt XLP technology delivers deep-sleep currents below 1 uA, and its 1.8V-3.6V VDD range directly accepts 2xAA or coin-cell batteries without a regulator. The 14 KB Flash is enough for sensor-fusion or Modbus firmware, while the integrated 10-bit ADC handles temperature, humidity, or analog sensor inputs without external converters. Compared to a 32-bit MCU, the 8-bit PIC16 core draws far less idle power, extending battery life to multi-year levels. Use deep sleep between sensor reads and wake on timer or external interrupt for maximum efficiency.
Recomendado
Consumer Appliance Control Panels
The PIC16LF1526-E/PT is well-suited for consumer appliance control panels where cost and reliability matter more than raw compute. The 10 CCP modules drive PWM outputs for LED backlights, buzzers, or motor control loops, while 2x EUSART and 2x SPI easily connect to Wi-Fi/BLE modules and display drivers. The 64-TQFP package has generous I/O headroom (54 I/O pins) for keypad scanning, segment-LCD driving, and indicator LEDs. The -40C to +125C extended temperature range (E suffix) handles the thermal envelope inside dishwashers, ovens, and refrigerators without derating.
Recomendado
Capacitive Touch User Interfaces
The PIC16LF1526-E/PT provides the integrated peripherals required for capacitive touch UIs: a fast 10-bit ADC for charge-time measurement, 10 CCP/PWM channels for haptic feedback or LED dimming, and 2x EUSART/SPI to drive companion touch controllers. The 14 KB Flash comfortably holds Microchip's mTouch reference firmware for 8-16 buttons. Low-power XLP modes let the MCU sleep between touches, drawing microamps - critical for battery-powered remote controls. The extended -40C to +125C operating range ensures consistent touch performance across cold garages and hot stovetops.
Recomendado
Industrial Sensor Transmitters
The PIC16LF1526-E/PT is ideal for 4-20 mA or HART-protocol sensor transmitters because its 10-bit ADC reads bridge pressure sensors or RTD inputs directly, and the 2x EUSART modules implement HART modems with external modulators. The 64-TQFP industrial-temp grade (E suffix) handles -40C to +125C factory-floor environments. NanoWatt XLP modes enable loop-powered designs where the entire transmitter draws <3.5 mA from the 4-20 mA loop. The 14 KB Flash is plenty for linearization, calibration, and HART state-machine code.
Recomendado
USB HID / CDC Device Interfaces
The PIC16LF1526-E/PT handles USB HID keyboard, mouse, or CDC virtual-COM-port applications when paired with an external USB-to-serial bridge or low-speed USB transceiver; the 2x EUSART modules talk to MCP2200 or CH340 bridges. The integrated debug support (no debug header required) simplifies firmware bring-up, while the 14 KB Flash stores HID report tables and command parsers. For HID-class devices, the LF1526's low sleep current (<1 uA) extends AAA-battery keyboard life to over a year. Designers can add a PIC16F1455 for native USB at the cost of losing peripherals.
Recomendado
Automotive Body Control Modules
The PIC16LF1526-E/PT's -40C to +125C extended operating range qualifies it for under-hood and cabin body-control applications such as window lifters, mirror controllers, or HVAC actuators. The 10 CCP/PWM channels drive H-bridge MOSFETs directly, while the 2x SPI ports connect to CAN transceivers (via external MCP2515) or LIN interfaces. The wide 1.8V-3.6V VDD lets it run directly from a regulated 3.3V automotive rail. For AEC-Q100 qualified variants, the PIC16F1526-E/PT automotive-grade equivalent is recommended; the LF1526-E is suitable for non-safety body-control subsystems where extended temp is sufficient.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LF1526-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16LF1526-I/PT | PIC16LF1527-I/PT | PIC16F1526-E/PT | PIC16LF1526-E/MR |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-QFN (MR) - same die, different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Voltage (VDD) | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 2.3V to 5.5V | 1.8V to 3.6V |
| Flash Memory | 14 KB | 14 KB | 28 KB | 14 KB | 14 KB |
| RAM | 768 B | 768 B | 1536 B | 768 B | 768 B |
| CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
| Pin Count | 64 | 64 | 64 | 64 | 64 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
Principais diferenciais
- Extended -40C to +125C operating temperature (vs PIC16LF1526-I/PT)
- Low-voltage nanoWatt XLP technology at 1.8V minimum (vs PIC16F1526-E/PT)
- Drop-in compatible memory upgrade path within same package (vs PIC16LF1527-I/PT)
Notas de projeto
Decouple every VDD pin (8, 19, 32, 44) with a 100 nF X7R ceramic capacitor placed within 3 mm of the pin, plus one bulk 1 uF to 10 uF capacitor on the main supply rail. The PIC16LF1526-E/PT has nanoWatt XLP sleep modes with currents below 1 uA only when VDD is stable and clean - any ripple above 50 mVpp on VDD can disrupt the WDT or BOR circuits and cause spurious wakeups. For battery applications, use an MCP1700 LDO with <1.6 uA quiescent current to regulate 2xAA into a clean 3.3V rail.
Route the ICSP clock (pin 17, RB6/ICSPCLK) and ICSP data (pin 18, RB7/ICSPDAT) as short, parallel traces with a ground guard on either side, away from switching nodes. Add 4.7 kohm pull-ups on both ICSP lines if the application is hot-pluggable. The 64-TQFP package has a 0.5 mm pitch - use 0.15 mm trace/space rules and a 4-layer PCB with continuous ground plane beneath the device to ensure reliable reflow and low EMI. Keep the exposed thermal pad (if present on the package variant) soldered to a 5x5 mm copper pour on the top layer.
Do NOT apply 5V to the PIC16LF1526-E/PT VDD pins - the absolute maximum is 3.6V and 5V will permanently damage the device. For 5V systems, choose the PIC16F1526 variant instead. Also note that configuration words must be programmed for the correct oscillator mode (e.g., HS for >8 MHz crystal, XT for 1-4 MHz); leaving the default EXTRC with no crystal causes the MCU to run from the internal oscillator at 4 MHz which may surprise code calibrated for 20 MHz operation. Finally, clear the GIE bit before entering sleep if interrupt-driven wakeup is not implemented, otherwise an unhandled interrupt will immediately wake the part.
Informações de conformidade
RoHS compliant per Microchip product page. PIC16LF1526-E/PT is the extended-temp grade but is NOT AEC-Q100 qualified - for automotive safety applications, use the AEC-Q100 qualified PIC16F1526-E/PT automotive variant or contact Microchip for the Q-grade equivalent.
