PIC16LF1526T-I/PT - 8-Bit 20MHz MCU, 14KB Flash, 64-TQFP | Microchip
料号： PIC16LF1526T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.5 | $3.50 |
| 10 | $3.15 | $31.50 |
| 100 | $2.78 | $278.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.18 | $2,180.00 |
| 3,000 | $1.95 | $5,850.00 |
PIC16LF1526T-I/PT 概述
What is a PIC16 microcontroller? A PIC16 is a family of 8-bit Reduced Instruction Set Computing (RISC) microcontrollers from Microchip Technology, organized hierarchically as: PIC16 -> mid-range 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC16 parts are popular for low-power and cost-sensitive embedded designs and serve as the foundation for hundreds of variants across the PIC16F and PIC16LF families.
Key features include the eXtreme Low Power (XLP) technology for nanoWatt sleep currents, a wide operating voltage range suitable for battery-powered designs, multiple communication peripherals, and up to 54 I/O pins brought out to the TQFP-64 package. The 'LF' suffix indicates a low-voltage variant optimized for 1.8V-3.6V operation, while the 'T' suffix denotes Tape & Reel packaging.
The PIC16LF1526T-I/PT uses the enhanced mid-range 8-bit PIC core with 200 ns instruction execution, providing deterministic performance for real-time control loops. Its integrated peripherals include multiple timers, ADC, and serial communication modules suitable for sensor interfacing, LED driving, and human-machine interface applications.
Typical applications include low-power IoT sensor nodes, consumer electronics with battery backup, industrial control panels, and home appliance control boards where the 14 KB Flash and 768-byte RAM footprint fits compact firmware while the 64-pin TQFP provides ample I/O for human-interface expansion.
When designing with this part, confirm the program-memory size and I/O count against your firmware and pin budget. Choose the LF (low-voltage) variant for 1.8V-3.6V systems; for 2.0V-5.5V applications select the non-LF PIC16F1526. The industrial temperature grade (-40C to +85C) suits most indoor and outdoor enclosures without additional qualification.
This page synthesizes distributor pricing, parametric drop-in alternatives from the same Microchip PIC16 family, and practical design notes not found in the standalone manufacturer datasheet, giving procurement and engineering teams a faster selection path.
直接替换替代料： PIC16LF1526T-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF1526T-I/PT （相同外形与封装尺寸） ——差异在于 Program Memory (Flash), I/O Pins, Package, Operating Temperature, ADC.
快速对比工具——选择替代料号进行并排对比：
PIC16LF1526-I/PT
✅ 直接替换✓ 有现货
$1.74 / 个
查看数据手册 →PIC16LF1526T-I/MR
✅ 直接替换✓ 有现货
$1.3 / 个
查看数据手册 →PIC16LF1527-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.27 / 个
查看数据手册 →PIC16LF1526T-I/PT 最大额定值与电气特性
| Core Architecture | PIC16 (Enhanced Mid-Range 8-bit RISC) |
| CPU Speed | 20 MHz (200 ns instruction cycle) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 768 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V (LF variant) |
| I/O Pins | 54 (max, package-dependent) |
| 封装 | 64-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| Temperature Grade | Industrial (-40C to +85C) |
| Low-Power Technology | XLP nanoWatt |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC16LF1526T-I/PT 引脚配置
| 引脚 1 | RA0 — I/O port A bit 0 / analog input |
| 引脚 2 | RA1 — I/O port A bit 1 |
| 引脚 3 | RA2 — I/O port A bit 2 |
| 引脚 4 | RA3 — I/O port A bit 3 |
| 引脚 5 | RA4 — I/O port A bit 4 |
| 引脚 6 | RA5 — I/O port A bit 5 |
| 引脚 7 | RA6 — I/O port A bit 6 |
| 引脚 8 | RA7 — I/O port A bit 7 |
| 引脚 9 | VDD — Positive supply (1.8V-3.6V) |
| 引脚 10 | VSS — Ground reference |
| 引脚 11 | RB0 — I/O port B bit 0 |
| 引脚 12 | RB1 — I/O port B bit 1 |
| 引脚 13 | RB2 — I/O port B bit 2 |
| 引脚 14 | RB3 — I/O port B bit 3 |
| 引脚 15 | RB4 — I/O port B bit 4 |
| 引脚 16 | RB5 — I/O port B bit 5 |
| 引脚 17 | RB6 — I/O port B bit 6 / ICSPCLK |
| 引脚 18 | RB7 — I/O port B bit 7 / ICSPDAT |
| 引脚 19 | RC0 — I/O port C bit 0 |
| 引脚 20 | RC1 — I/O port C bit 1 |
| 引脚 21 | RC2 — I/O port C bit 2 |
| 引脚 22 | RC3 — I/O port C bit 3 |
| 引脚 23 | RC4 — I/O port C bit 4 |
| 引脚 24 | RC5 — I/O port C bit 5 |
| 引脚 25 | RC6 — I/O port C bit 6 |
| 引脚 26 | RC7 — I/O port C bit 7 |
| 引脚 27 | RD0 — I/O port D bit 0 |
| 引脚 28 | RD1 — I/O port D bit 1 |
| 引脚 29 | RD2 — I/O port D bit 2 |
| 引脚 30 | RD3 — I/O port D bit 3 |
| 引脚 31 | RD4 — I/O port D bit 4 |
| 引脚 32 | RD5 — I/O port D bit 5 |
| 引脚 33 | RD6 — I/O port D bit 6 |
| 引脚 34 | RD7 — I/O port D bit 7 |
| 引脚 35 | RE0 — I/O port E bit 0 |
| 引脚 36 | RE1 — I/O port E bit 1 |
| 引脚 37 | RE2 — I/O port E bit 2 |
| 引脚 38 | RE3 — I/O port E bit 3 |
| 引脚 39 | VDD — Positive supply |
| 引脚 40 | VSS — Ground reference |
| 引脚 41 | RF0 — I/O port F bit 0 |
| 引脚 42 | RF1 — I/O port F bit 1 |
| 引脚 43 | RF2 — I/O port F bit 2 |
| 引脚 44 | RF3 — I/O port F bit 3 |
| 引脚 45 | RF4 — I/O port F bit 4 |
| 引脚 46 | RF5 — I/O port F bit 5 |
| 引脚 47 | RF6 — I/O port F bit 6 |
| 引脚 48 | RF7 — I/O port F bit 7 |
| 引脚 49 | RG0 — I/O port G bit 0 |
| 引脚 50 | RG1 — I/O port G bit 1 |
| 引脚 51 | RG2 — I/O port G bit 2 |
| 引脚 52 | RG3 — I/O port G bit 3 |
| 引脚 53 | RG4 — I/O port G bit 4 |
| 引脚 54 | RG5 — I/O port G bit 5 |
| 引脚 55 | RG6 — I/O port G bit 6 |
| 引脚 56 | RG7 — I/O port G bit 7 |
| 引脚 57 | RH0 — I/O port H bit 0 |
| 引脚 58 | RH1 — I/O port H bit 1 |
| 引脚 59 | RH2 — I/O port H bit 2 |
| 引脚 60 | RH3 — I/O port H bit 3 |
| 引脚 61 | RH4 — I/O port H bit 4 |
| 引脚 62 | RH5 — I/O port H bit 5 |
| 引脚 63 | RH6 — I/O port H bit 6 |
| 引脚 64 | RH7 — I/O port H bit 7 |
典型应用
PIC16LF1526T-I/PT 适用于 6 应用s: Low-Power IoT Sensor Node, Consumer Appliance Control Board, Battery-Backed Industrial Sensor Module, HMI Keypad / LED Display Controller, Smart Home Edge Device, Automotive Cabin Accessory Controller.
Low-Power IoT Sensor Node
The PIC16LF1526T-I/PT is well suited for battery-powered IoT sensor nodes that require weeks-to-years of battery life. Its XLP nanoWatt technology typically draws <100 nA in sleep mode while retaining RAM, allowing the MCU to wake only for sensor reads and transmit bursts. The 1.8V-3.6V operating range directly supports 2xAA alkaline, single-cell Li-ion, or 3.3V system-on-chip rails without level shifting. The 14 KB Flash accommodates simple sensor-fusion or Modbus-style protocol stacks, while 768 bytes of RAM handles multi-sample averaging buffers. Pair with an external SPI temperature/humidity sensor and a low-power RF module on UART for a complete sub-1GHz or BLE-front sensor board.
推荐
Consumer Appliance Control Board
The PIC16LF1526T-I/PT fits cost-sensitive consumer appliances such as coffee makers, rice cookers, small kitchen robots, and air purifiers. Its 54 I/O pins from the TQFP-64 package handle keypad scanning, multiple LED indicators, relay drivers, and triac interfaces. The 14 KB Flash supports user-interface state machines plus safety timers, while the 10-bit ADC reads thermistor inputs for closed-loop temperature control. The industrial -40C to +85C temperature grade tolerates enclosed-appliance thermal environments without derating. Microchip's free MPLAB X IDE and XC8 compiler allow fast development for production.
推荐
Battery-Backed Industrial Sensor Module
In industrial 4-20 mA loop-powered or battery-backed sensor modules, the PIC16LF1526T-I/PT's XLP sleep currents help extend battery life to multi-year service intervals. The 1.8V minimum supply allows direct connection to backup supercapacitor or lithium-thionyl-chloride primary cells without boost converters. Its UART/SPI/I2C peripherals connect to industrial sensors (pressure, flow, gas) and to wireless modules such as LoRa or sub-GHz transceivers. The wide industrial temperature range handles outdoor cabinet installations, while the 14 KB Flash fits Modbus RTU or proprietary industrial protocol stacks. The TQFP-64 footprint provides mechanical robustness against vibration in panel-mount enclosures.
推荐
HMI Keypad / LED Display Controller
For human-machine interface (HMI) panels with 4x4 to 8x8 keypads and multi-digit LED or LCD indicators, the PIC16LF1526T-I/PT provides sufficient I/O with its 54 pins and enough Flash for matrix-scanning debounce algorithms and display multiplexing state machines. The 20 MHz core easily handles 100 Hz key-scan rates and Charlieplexing of 7-segment displays without flicker. Its 1.8V-3.6V range matches modern LED driver IC supply rails, simplifying power tree design. The PIC16LF1526T-I/PT's TQFP-64 also leaves spare pins for rotary encoder inputs, buzzer PWM, and backlight brightness control on a single chip.
推荐
Smart Home Edge Device
For smart-home edge devices like Zigbee/BLE-thread sensors, smart locks, and thermostat remotes, the PIC16LF1526T-I/PT delivers the right balance of cost, low power, and I/O. Its XLP sleep current lets battery-powered door/window sensors run for 5+ years on a single CR2032. The 14 KB Flash supports OTA-friendly bootloader stubs and a small application state machine, while 768-byte RAM handles sensor buffers and communication queues. Pair the MCU with a Wi-Fi/BLE module over UART or SPI for gateway-connected variants, or run as a stand-alone LoRa/wireless-M-Bus node for whole-home metering.
推荐
Automotive Cabin Accessory Controller
In non-safety automotive cabin accessories such as ambient lighting controllers, seat-position memory modules, and rear-seat entertainment keypads, the PIC16LF1526T-I/PT provides 12V-tolerant I/O via external resistor dividers and PWM outputs for LED dimming. Its 1.8V-3.6V core operating range aligns with 3.3V LDO rails derived from the vehicle's 12V bus. The industrial temperature grade covers cabin environments (-40C to +85C). For safety-critical or under-hood applications requiring AEC-Q100, choose a Q1-qualified variant such as PIC16F1526-I/PT-Q1. The 14 KB Flash supports CAN-friendly software UART bridges for legacy accessories.
推荐
推荐产品汇总
工程参考数据： PIC16LF1526T-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LF1526-I/PT | PIC16LF1527-I/PT | PIC16F1526-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Flash Memory | 14 KB | 14 KB | 14 KB (with dual-bank option) | 14 KB |
| Data RAM | 768 bytes | 768 bytes | 768 bytes | 768 bytes |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Packaging Format | Tape & Reel | Tray | Tray | Tray |
| Approx. Unit Price @ 1k | USD 2.18 | USD 2.10 | USD 2.40 | USD 2.20 |
关键差异点
- Wide 54 I/O pin count in compact 64-TQFP （对比 PIC16LF1509-I/SS)
- Low-voltage 1.8V operation for battery-powered systems （对比 PIC16F1526-I/PT)
- XLP nanoWatt sleep technology with RAM retention （对比 PIC16LF1519-I/P)
设计说明
The PIC16LF1526T-I/PT supports XLP nanoWatt sleep modes that drop current to <100 nA typical while retaining RAM. Decouple VDD (pins 9 and 39) with 100 nF ceramic capacitors placed within 5 mm of each VDD pin, plus a bulk 1 uF to 10 uF capacitor on the supply rail. For sleep-current-sensitive designs, disable unused peripherals via firmware (PMD registers) before entering sleep; this can cut quiescent current by another order of magnitude compared to default reset state.
The 64-pin TQFP at 0.5 mm pitch requires 4-layer PCB with 0.2 mm (8 mil) trace width and 0.15 mm clearance for production-friendly yield. Route the ICSP clock (RB6) and data (RB7) lines directly to a 2x3 or 1x6 header for MPLAB ICD programming. Add a 4.7 kohm pull-up on MCLR (pin 7 if present in package variant) and reserve space for a 0 ohm jumper on VDD for current measurements during power-profiling.
Configuration word settings are critical: disable the watchdog timer in software if not required, select the correct oscillator mode (INTOSC is typical for XLP designs), and enable low-voltage programming (LVP) for flexibility or disable it to free up the RB5/PGM pin as GPIO. Brown-out reset (BOR) should be enabled for battery-powered designs to prevent Flash corruption during VDD brown-out. Programming the part at voltages below 2.0V requires VDD to remain above the BOR threshold during Flash write operations.
合规信息
RoHS compliant per Microchip product page. Industrial temperature grade (-40C to +85C), not AEC-Q100 qualified - select PIC16F1526-I/PT-Q1 for automotive applications. Halogen-free status not explicitly stated in provided data.
