PIC16F1786T-I/SO - 8-bit 32MHz 14KB Flash MCU | Microchip
部品番号: PIC16F1786T-I/SO ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.39 | $3.39 |
| 10 | $3.05 | $30.50 |
| 100 | $2.55 | $255.00 |
| 500 | $2.21 | $1,105.00 |
| 1,000 | $1.95 | $1,950.00 |
PIC16F1786T-I/SO 概要
An 8-bit microcontroller (MCU) is a single-chip computer built around a byte-wide data path that combines a CPU, non-volatile program memory (Flash), working RAM, and on-chip peripherals in one package. Microcontrollers sit at the lowest level of the embedded computing hierarchy - above discrete logic but below microprocessors with external memory - and are the workhorse of IoT, consumer, industrial, and automotive subsystems where deterministic real-time control, low power, and small footprint matter more than raw compute throughput. The 'XLP' (eXtreme Low Power) family designation means this device is engineered for sub-microamp sleep currents and active-mode run currents in the microamp-to-low-milliamp range, making it well suited for battery-powered and energy-harvesting applications.
Key features highlighted on distributor pages and the Microchip product page include 14 KB Flash / 1 KB ROM of program memory, 32 MHz maximum oscillator (200 ns instruction cycle), a 12-bit ADC with computation accelerator, integrated Op Amp and Fast Comparator peripherals, I²C and SPI interfaces, and the 28-pin SOIC industrial operating range (-40 °C to +85 °C, 'I' suffix). The 'T' designator in the MPN indicates the surface-mount shipping format is Tape and Reel, and the 'SO' designator denotes the 28-pin SOIC wide-body package.
In practice, the PIC16F1786T-I/SO is commonly selected for sensor signal conditioning (where the on-chip Op Amp and 12-bit ADC reduce external component count), LED lighting control loops that exploit the PWM and fast comparator, small battery-powered IoT nodes where XLP standby current extends runtime, and human-machine interface boards that combine keypad scanning with mixed-signal feedback. Compared with larger 16-bit or 32-bit MCUs, the PIC16F1786 family trades CPU headroom for extreme power efficiency and a deterministic instruction set, which keeps code paths short and timing predictable.
A key design tip: verify in your BOM that the Open-Drain or push-pull peripheral variant matches the interface (I²C needs open-drain on SDA/SCL); also confirm code is built for the PIC16F1786 silicon revision in MPLAB X to avoid peripheral-register mismatch. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet alone.
ドロップイン代替品: PIC16F1786T-I/SO — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC16F1786T-I/SO （同一形状・フットプリント） — 相違点: ADC.
クイック比較ツール — 並列比較する代替部品を選択:
PIC16F1786-I/SO
✅ ドロップイン✓ 在庫あり
$1.71 / 個
データシートを見る →PIC16F1786T-I/SO 最大定格＆電気的特性
| Manufacturer | Microchip Technology |
| Series | PIC® XLP™ 16F |
| Core Processor | PIC |
| Core Size | 8-bit |
| Core Architecture | Enhanced Mid-Range (XLP) |
| Program Memory Size | 14 KB (8K x 14) Flash |
| ROM Size | 1 KB |
| Maximum CPU Frequency | 32 MHz |
| Instruction Cycle | 200 ns |
| 電源電圧 | 3.0 V to 5.5 V |
| 動作温度 | -40 °C to +85 °C (Industrial) |
| パッケージ / ケース | 28-SOIC (0.295 in, 7.50 mm width) |
| 実装タイプ | Surface Mount |
| ADC | 12-bit with computation |
| Analog Peripherals | Op Amp + Fast Comparator |
| Communication Interfaces | I²C, SPI |
| Shipping Format | Tape & Reel (T) |
| RoHS ステータス | Compliant |
| MSLレベル | 1 (per Microchip 28-SOIC JEDEC J-STD-020) |
PIC16F1786T-I/SO ピン構成
| ピン 1 | RA2/AN2/VREF-/C1IN0+/C2IN0+/CPS2 — GPIO RA2 / ADC AN2 / DAC VREF- / Comparator input |
| ピン 2 | RA3/AN3/VREF+/C1IN1-/C2IN1- — GPIO RA3 / ADC AN3 / DAC VREF+ / Comparator input |
| ピン 3 | RA4/T0CKI/C1OUT/C2OUT — GPIO RA4 / Timer0 clock / Comparator output |
| ピン 4 | RA5/AN4/C1IN2-/C2IN2-/SS/HLVDIN — GPIO RA5 / ADC AN4 / SPI SS / HLVD input |
| ピン 5 | VSS — Ground reference |
| ピン 6 | RA7/OSC1/CLKIN — Crystal OSC1 / external clock input |
| ピン 7 | RA6/OSC2/CLKOUT — Crystal OSC2 / clock output |
| ピン 8 | RC0/T1OSO/T1CKI — GPIO RC0 / Timer1 oscillator/cock input |
| ピン 9 | RC1/T1OSI/CCP2 — GPIO RC1 / Timer1 oscillator / CCP2 PWM |
| ピン 10 | RC2/P1D/CCP1 — GPIO RC2 / PWM P1D / CCP1 |
| ピン 11 | RC3/REFO/SCL — GPIO RC3 / reference output / I²C SCL |
| ピン 12 | RC4/SDA/SDI — GPIO RC4 / I²C SDA / SPI SDI |
| ピン 13 | RC5/SDO/C2OUT — GPIO RC5 / SPI SDO / Comparator2 output |
| ピン 14 | RC6/TX/CK/CCP3 — GPIO RC6 / UART TX / CCP3 |
| ピン 15 | RC7/RX/DT/CCP4 — GPIO RC7 / UART RX / CCP4 |
| ピン 16 | RB7/ICSPDAT/ICD — GPIO RB7 / ICSP data |
| ピン 17 | RB6/ICSPCLK — GPIO RB6 / ICSP clock |
| ピン 18 | RB5/AN11/CPS5 — GPIO RB5 / ADC AN11 |
| ピン 19 | RB4/AN10/SDI2 — GPIO RB4 / ADC AN10 / SPI SDI2 |
| ピン 20 | RB3/AN9/C1IN3-/C2IN3-/PGM — GPIO RB3 / ADC AN9 / LVP PGM |
| ピン 21 | RB2/AN8/C1IN2+/C2IN2+/P1B — GPIO RB2 / ADC AN8 / PWM P1B |
| ピン 22 | RB1/AN7/C1IN1+/C2IN0-/P1C — GPIO RB1 / ADC AN7 / PWM P1C |
| ピン 23 | RB0/AN6/C1IN0-/C2IN0+/SS2 — GPIO RB0 / ADC AN6 / SPI SS2 |
| ピン 24 | VDD — Positive supply (3.0-5.5 V) |
| ピン 25 | RA1/AN1/C1IN0-/C2IN0+ — GPIO RA1 / ADC AN1 |
| ピン 26 | RA0/AN0/C1IN0+/C2IN0- — GPIO RA0 / ADC AN0 |
| ピン 27 | MCLR/VPP/RE3 — Master clear (reset) / programming voltage |
| ピン 28 | RA2 (alt) — [DATA_NEEDED: alternate-pin allocation per datasheet pinout table] |
主な用途
PIC16F1786T-I/SO の用途: 6 件s: Battery-Powered IoT Sensor Node, Industrial Sensor Signal Conditioning, LED Lighting Control Loops, Consumer Human-Machine Interface (HMI) Boards, Automotive Body and Comfort Modules, Portable Medical Monitoring Accessories.
Battery-Powered IoT Sensor Node
The PIC16F1786T-I/SO fits battery-powered IoT sensor nodes because its PIC® XLP architecture delivers sub-microamp sleep currents while still providing a 32 MHz CPU for periodic sampling. The 14 KB Flash accommodates typical TinyML-lite or protocol-bridging firmware, and the integrated 12-bit ADC plus Op Amp removes the need for an external analog front end. Operating from 3.0-5.5 V lets it run directly from a 3.3 V coin-cell or single-cell Li-Ion pack, and the 28-SOIC wide-body package is friendly to hand-soldered prototypes as well as volume SMT lines.
おすすめ
Industrial Sensor Signal Conditioning
The PIC16F1786T-I/SO is well matched to industrial sensor-signal conditioning boards where a low-cost 8-bit MCU must amplify, compare, and digitize analog signals. The on-chip Op Amp buffers transducer outputs, the Fast Comparator triggers threshold alarms, and the 12-bit ADC with computation accelerator handles linearization math without external DSP. Its industrial -40 °C to +85 °C temperature rating (the 'I' suffix) supports factory-floor deployment, and the I²C/SPI peripherals simplify connection to downstream controllers and HMIs.
おすすめ
LED Lighting Control Loops
The PIC16F1786T-I/SO suits closed-loop LED lighting controllers because its PWM peripherals provide flicker-free dimming while the integrated Op Amp monitors photo-feedback for constant-lumen output. The 32 MHz CPU closes the regulation loop in microseconds, and the 12-bit ADC provides fine-grained luminance resolution across the dimming curve. The 3.0-5.5 V supply range accepts both 3.3 V logic-level and 5 V analog sensor chains, and the SO-28 wide-body package dissipates the small standby heat of a sleep-mode-controlled luminaire.
おすすめ
Consumer Human-Machine Interface (HMI) Boards
The PIC16F1786T-I/SO is appropriate for consumer HMI boards (appliance keypads, thermostats, small appliances) where an inexpensive 8-bit MCU must scan key matrices, drive LED/LCD indicators, and read mixed analog/digital inputs. The 14 KB Flash supports menu logic and debounce firmware, the I²C/SPI ports drive segment displays or external IO expanders, and the integrated Op Amp and Comparator handle rotary-encoder or thermistor inputs. The SO-28 wide-body package is hand-solder-friendly for small-batch consumer products.
おすすめ
Automotive Body and Comfort Modules
The PIC16F1786T-I/SO's industrial -40 °C to +85 °C rating and Microchip automotive-grade PIC16F XLP line make it a candidate for non-safety automotive body and comfort modules such as seat controllers, mirror adjusters, and ambient lighting. Its 12-bit ADC reads potentiometer positions, the PWM outputs drive small actuators, and the LIN-ready UART (via software bit-banging on a timer) supports automotive body bus communication. The 28-SOIC wide-body is rugged on vibration-prone mounting locations under the dash.
おすすめ
Portable Medical Monitoring Accessories
The PIC16F1786T-I/SO fits portable medical accessories (e.g., pill-bottle reminders, glucose-meter dongles, fitness wearables) where XLP sleep current extends battery life and the on-chip Op Amp conditions bioelectric or optical sensor signals. The 12-bit ADC with computation accelerator performs simple digital filtering without external components, and the I²C peripheral talks to companion BLE or NFC modules for data offload. The 3.0-5.5 V range covers a single Li-Ion or 2xAA power source common in personal-health devices.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC16F1786T-I/SO — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC16F1786-I/SO | PIC16F1786-I/SS | PIC16F1786-I/SP | PIC16F1786-I/ML | PIC16F1784-I/ML |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SSOP - narrower body | 28-SPDIP - through-hole | 28-QFN - smaller footprint | 28-QFN - same family, less Flash |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Size | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 8 KB |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V |
| ADC | 12-bit with computation | 12-bit with computation | 12-bit with computation | 12-bit with computation | 12-bit with computation | 12-bit with computation |
| Op Amp + Comparator | Yes (Op Amp + Fast Comparator) | Yes | Yes | Yes | Yes | Yes |
| Shipping Format | Tape & Reel (T) | Tube | Tube | Tube | Tube | Tube |
主な差別化要因
- On-chip analog peripherals (Op Amp + Fast Comparator + 12-bit ADC) reduce BOM （vs PIC16F1716-I/ML)
- XLP deep-sleep currents below 1 µA （vs PIC16F1784-I/ML)
- Wide-body 28-SOIC package friendly to hand-prototype finishing （vs PIC16F1786-I/ML (QFN-28))
設計ノート
Estimated: At 32 MHz active current is typically a few mA in the XLP PIC16F1786 family; sleep current is sub-microamp. For battery-powered designs, gate the ADC/Op Amp and switch to sleep between samples, and consider a Schottky drop-in on VDD if the rail can overshoot, to leverage XLP sleep currents below 1 µA. Always include a 0.1 µF decoupling cap close to VDD pin 24 and a bulk 1-10 µF on the rail.
Route the crystal traces to OSC1/OSC2 (RA7/RA6 on this 28-SOIC) as short, symmetrical loops and keep them away from PWM or switching traces. Place a ground guard ring around the crystal and connect the load capacitors to a clean ground. For ADC accuracy, route analog RA0-RA5 / RB0-RB5 separately from digital RC lines and join analog/digital grounds at a single point near VSS pin 5.
Avoid selecting 'T' (Tape & Reel) MPNs for hand-prototype or breadboard finishing of the build - use the Tube variant (no 'T') to avoid handling issues with SMT reels. Do not exceed 5.5 V on VDD; the brown-out reset and ADC absolute reference depend on this max. When migrating firmware between the PIC16F1786 and PIC16F1784, verify CONFIG words and peripheral register maps since Flash sizes differ; always rebuild in MPLAB X targeting the exact silicon ID.
Use the MCLR pin (pin 27 on 28-SOIC) with a 10 kΩ pull-up to VDD and a 100 nF cap to ground for clean reset, per Microchip's recommended circuits. For ICSP, share RB6/RB7 (pins 17/16) only with high-impedance loads so they are not pulled low during programming. Keep the ICSP connector or header away from analog signal paths to minimize coupling during debugging.
コンプライアンス情報
RoHS and lead-free status per Microchip 28-SOIC product family datasheet. AEC-Q100 qualification status not explicitly listed on distributor pages for the industrial-grade I-suffix SKU; for AEC-Q100 automotive applications use the 'F' or 'E' PIC16F1786 Q-XXXX SKU with explicit automotive qualification in the part number.
