PIC16F1786T-I/ML - 8-Bit 32MHz 14KB Flash MCU 28-QFN | Microchip
MPN: PIC16F1786T-I/ML ✓ نشطPIC16F1786T-I/ML نظرة عامة
A PIC16F178x-series microcontroller is an 8-bit enhanced mid-range MCU built around the PIC RISC architecture with a 14-bit instruction word. It belongs to the hierarchy: microcontroller → embedded MCU → 8-bit MCU → PIC16 enhanced mid-range → PIC16F178x sub-family. These parts target cost-sensitive applications that still need high-resolution analog and digital control peripherals.
Key features include an integrated op-amp, a 12-bit ADC with up to 11 channels, two 8-bit DACs, three rail-to-rail operational amplifiers, a programmable switch-mode controller, fast comparators with rail-to-rail inputs, and standard serial interfaces such as I²C, SPI, and EUSART. The 32 MHz internal oscillator delivers 8 MIPS, and XLP technology reduces active and sleep currents for energy-harvesting and battery-powered products.
Typical applications include LED lighting drivers, sensor signal conditioning, low-power wireless sensor nodes, industrial process control, consumer white goods, and battery-powered IoT edge devices where its combination of high-resolution analog and ultra-low sleep current is advantageous.
When designing with the PIC16F1786T-I/ML, place 100 nF decoupling capacitors as close as possible to each VDD/VSS pin pair and use the exposed pad (EP) for both thermal dissipation and a low-impedance ground return. Configure the device with MPLAB X IDE and program/debug using PICkit 5 or ICD 4.
بدائل مباشرة لـ PIC16F1786T-I/ML — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC16F1786T-I/ML (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, DAC, Comparators, Operating Temperature.
PIC16F1786-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1786-E/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1789-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1784-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1768-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1764-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1716-I/ML
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F1786T-I/ML الحدود القصوى والخصائص الكهربائية
| Core Architecture | PIC 8-bit (enhanced mid-range, 14-bit instruction word) |
| CPU Speed | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 14 KB (8K × 14) |
| Data SRAM | 1 KB |
| Data EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 25 (max) |
| ADC | 12-bit, up to 11 channels |
| DAC | Two 8-bit |
| Comparators | Rail-to-rail fast comparators |
| Op-Amps | Three integrated rail-to-rail op-amps |
| Programmable Switch-Mode Controller | Yes |
| Serial Interfaces | I²C, SPI, EUSART |
| العلبة | 28-QFN (6 × 6 mm) with exposed pad |
| درجة حرارة التشغيل | -40 °C to +85 °C (Industrial) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
| مستوى MSL | 3 (168 hours) |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Lead-Free | Yes |
تكوين أطراف PIC16F1786T-I/ML
| دبوس 1 | RA3/AN3 — Bidirectional I/O; analog input channel 3 |
| دبوس 2 | RA4/AN4 — Bidirectional I/O; analog input channel 4 |
| دبوس 3 | RA5/AN5 — Bidirectional I/O; analog input channel 5 |
| دبوس 4 | RA6/OSC2 — Bidirectional I/O; oscillator output |
| دبوس 5 | RA7/OSC1 — Bidirectional I/O; oscillator input |
| دبوس 6 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| دبوس 7 | RA2/AN2 — Bidirectional I/O; analog input channel 2 |
| دبوس 8 | RA1/AN1 — Bidirectional I/O; analog input channel 1 |
| دبوس 9 | RA0/AN0 — Bidirectional I/O; analog input channel 0 |
| دبوس 10 | VSS — Ground reference |
| دبوس 11 | RB7 — Bidirectional I/O; ICSP programming clock |
| دبوس 12 | RB6 — Bidirectional I/O; ICSP programming data |
| دبوس 13 | RB5 — Bidirectional I/O |
| دبوس 14 | RB4 — Bidirectional I/O |
| دبوس 15 | RC7 — Bidirectional I/O |
| دبوس 16 | RC6 — Bidirectional I/O |
| دبوس 17 | RC5 — Bidirectional I/O |
| دبوس 18 | RC4 — Bidirectional I/O |
| دبوس 19 | RC3 — Bidirectional I/O; SPI/I2C clock |
| دبوس 20 | RC2 — Bidirectional I/O |
| دبوس 21 | RC1 — Bidirectional I/O |
| دبوس 22 | RC0 — Bidirectional I/O |
| دبوس 23 | RB3 — Bidirectional I/O |
| دبوس 24 | RB2 — Bidirectional I/O |
| دبوس 25 | RB1 — Bidirectional I/O |
| دبوس 26 | RB0 — Bidirectional I/O |
| دبوس 27 | MCLR — Master clear reset input (active-low) |
| دبوس 28 | RA8 — Bidirectional I/O |
| دبوس EP | EP — Exposed thermal pad — connect to VSS for thermal and ground return |
التطبيقات النموذجية
PIC16F1786T-I/ML مناسب لـ 7 التطبيقs: Battery-Powered IoT Sensor Nodes, LED Lighting Drivers, Industrial Process Control, Consumer White Goods and Appliances, Portable Medical Devices, Wireless Sensor Hubs, Automotive Body Electronics.
Battery-Powered IoT Sensor Nodes
The PIC16F1786T-I/ML is well matched to battery-powered IoT sensor nodes thanks to its 1.8 V to 5.5 V operating range and XLP technology. The integrated 12-bit ADC (up to 11 channels) and three rail-to-rail op-amps let designers condition bridge, thermistor, or electrochemical sensors without external analog ICs, while 8 MIPS at 32 MHz supports on-sensor DSP and protocol handling. Compared with discrete op-amp + MCU solutions, the integrated analog reduces quiescent draw and BOM cost. Place 100 nF decoupling on every VDD/VSS pair and use sleep mode with RTCC tick to extend battery life.
موصى به
LED Lighting Drivers
The PIC16F1786T-I/ML drives LED strings directly through its integrated 12-bit ADC, two 8-bit DACs, and programmable switch-mode controller. The DACs set constant-current references while the switch-mode controller generates PWM for high-efficiency buck/boost topologies. Compared with an MCU plus external LED driver IC, this single-chip solution reduces board area and lets the firmware adjust color temperature and dimming curves via I²C. Add a current-sense op-amp on the LED return path to close the feedback loop, and use the EUSART for DMX512 or DALI bridges.
موصى به
Industrial Process Control
The PIC16F1786T-I/ML fits industrial process control loops requiring 4-20 mA signal conditioning, isolated ADC front-ends, and PID control on motor valves or heaters. Its 12-bit ADC and rail-to-rail op-amps handle 0-10 V or 4-20 mA inputs with on-chip gain stages, while the EUSART connects to RS-485 transceivers for Modbus RTU. The industrial -40 °C to +85 °C temperature range supports factory-floor deployment. Compared with PLC cards, this part enables distributed I/O with deterministic firmware; isolate RS-485 lines and use TVS diodes on analog inputs for surge protection.
موصى به
Consumer White Goods and Appliances
The PIC16F1786T-I/ML is used in washing machines, refrigerators, and induction cooktops as the main user-interface controller. The 32 MHz core drives graphical LCDs or capacitive touch keypads, while the integrated op-amps and comparators sense motor current and temperature with no extra analog IC. Compared with 50 MHz ARM Cortex-M0 alternatives, the PIC16F1786T-I/ML costs less and offers more on-chip analog for the same footprint. Provide a 100 nF + 10 µF bulk capacitor pair on VDD and route the exposed pad directly to a star ground.
موصى به
Portable Medical Devices
The PIC16F1786T-I/ML enables compact, low-power medical devices such as pulse oximeters, glucometers, and portable nebulizers. The 12-bit ADC and integrated op-amps condition photodiode or electrochemical sensor outputs, while XLP sleep current under 50 nA extends battery life to weeks. Compared with dedicated AFE + MCU solutions, this part consolidates the analog front-end and digital control into one 6 × 6 mm QFN. Use a precision external reference for absolute measurements and ensure IEC 60601 isolation in the final product design.
موصى به
Wireless Sensor Hubs
The PIC16F1786T-I/ML acts as the sensor-hub MCU in Bluetooth Low Energy or sub-GHz wireless products, aggregating data from multiple analog sensors and forwarding packets over SPI to a companion radio. The 32 MHz core handles sensor fusion and on-the-fly compression, while 14 KB Flash is sufficient for bootloader plus application. Compared with dedicated sensor hub ASICs, this part keeps firmware flexible for protocol upgrades. Connect the radio's IRQ line to a change-notification pin and use DMA-free polled SPI at 8 MHz for low latency.
موصى به
Automotive Body Electronics
The PIC16F1786T-I/ML is used in non-safety automotive body electronics such as seat controllers, mirror adjusters, and HVAC blend-door drivers. Its integrated op-amps read H-bridge current while comparators detect stall conditions. The -40 °C to +85 °C industrial temperature range covers cabin environments. Compared with AEC-Q100-qualified parts, the PIC16F1786T-I/ML is a lower-cost option for body modules not requiring full automotive qualification; use the PIC16F1786-E/ML or AEC-Q100 equivalent variants for under-hood applications.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC16F1786T-I/ML — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC16F1786-I/ML | PIC16F1786-E/ML | PIC16F1789-I/ML | PIC16F1784-I/ML |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6) | 28-QFN (6x6) | 28-QFN (6x6) | 28-QFN (6x6) | 28-QFN (6x6) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 14 KB | 28 KB | 7 KB |
| RAM | 1 KB | 1 KB | 1 KB | 2 KB | 512 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| CPU Frequency | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS |
| ADC Resolution / Channels | 12-bit / 11 ch | 12-bit / 11 ch | 12-bit / 11 ch | 12-bit / 14 ch | 12-bit / 8 ch |
| Op-Amps / DACs | 3 op-amps / 2 DACs | 3 op-amps / 2 DACs | 3 op-amps / 2 DACs | 3 op-amps / 2 DACs | 1 op-amp / 1 DAC |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) |
أبرز الفروقات
- Largest memory in 28-QFN PIC16F178x family (مقابلPIC16F1784-I/ML)
- More integrated analog than smaller-memory siblings (مقابلPIC16F1784-I/ML)
- Tape-and-reel packaging for SMT production (مقابلPIC16F1786-I/ML (tube))
ملاحظات التصميم
Place a 100 nF decoupling capacitor as close as possible to every VDD/VSS pin pair and add a bulk 10 µF ceramic or tantalum capacitor on the main VDD rail. The PIC16F1786T-I/ML can operate from 1.8 V to 5.5 V, so if the system is powered from a 12 V or 24 V rail, use a low-quiescent LDO such as MCP1700 to derive the MCU supply. For battery-powered designs, leverage XLP sleep modes with RTCC tick to keep average current below 1 µA.
Solder the exposed thermal pad (EP) of the 28-QFN package to a continuous copper pour on the PCB. The EP serves as the primary ground return and provides the only thermal path to ambient; without it, junction temperature can rise 20-30 °C above ambient. Recommended land pattern and via array are shown in Microchip application note AN233. Use thermal vias (0.3 mm diameter, 1.0 mm pitch) to connect the EP to an internal ground plane.
Keep analog input traces short and shielded by a ground pour to minimize ADC pickup. The PIC16F1786T-I/ML integrates three rail-to-rail op-amps; route their inverting-input feedback traces away from switching signals. Place the ICSP™/ICD programming header on a 6-pin 0.1" header at the board edge so PICkit 5 or ICD 4 can be attached without removing the MCU from the board. For mixed-signal designs, split analog and digital grounds and join them at a single point near the device's VSS pin.
Do not float the MCLR pin; tie it to VDD through a 10 kΩ pull-up resistor and add a 100 nF capacitor to VDD for noise filtering, otherwise spurious resets may occur. When using the internal oscillator, configure the OSCCON registers per the datasheet's factory-calibrated settings, or expect frequency errors up to ±2 % at room temperature. Avoid configuring an ADC input as both analog and digital simultaneously — set the corresponding ANSEL bit correctly to prevent shoot-through currents on the I/O cell.
معلومات الامتثال
RoHS and REACH compliant per Microchip product page; lead-free finish confirmed by Microchip material declaration. PIC16F1786T-I/ML is industrial-grade and NOT AEC-Q100 qualified; for AEC-Q100 automotive applications, use the PIC16F178x AEC-Q100 variants from Microchip.
