PIC16F1782-E/SO - 8-bit MCU 3.5KB Flash 28-SOIC | Microchip
MPN: PIC16F1782-E/SO ✓ Hoạt độngPIC16F1782-E/SO Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripheral IP blocks (ADC, timers, communication controllers). The PIC16F1782 belongs to the eXtreme Low Power (XLP) family of Microchip 8-bit microcontrollers, which adds aggressive nanoWatt sleep modes, intelligent peripheral management and a wide operating voltage range to the well-known PIC RISC architecture. This product type sits in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC.
Key features include an integrated 12-bit ADC with up to 11 channels, an 8-bit DAC, operational amplifiers (Op Amps), fast comparators, a Programmable Switch Mode Controller (PSMC), two CCP modules, and EUSART plus I2C/SPI serial interfaces. The device operates from 1.8V to 5.5V and supports nanoWatt XLP technology for battery-powered designs.
Architecturally the PIC16F1782 uses Microchip's enhanced mid-range core with 200 ns instruction execution and a 14-bit instruction word, providing up to 16 MIPS while keeping the popular PIC toolchain (MPLAB X IDE, XC8 compiler, PICkit programmers) fully compatible.
Typical applications include LED lighting control with PSMC-driven dimming, SMPS and power conversion loops, sensor signal conditioning with on-chip op amps, battery charging controllers, and small consumer or industrial appliances requiring low-power 8-bit control.
When designing with this part, choose decoupling carefully (100 nF + bulk) and review errata documents for revision-specific ADC and PSMC behavior before committing to high-volume production.
This page synthesizes distributor pricing, drop-in 28-SOIC alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1782-E/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16F1782-E/SO (cùng hình factor và footprint) — khác nhau ở ADC, DAC, Package, Operating Temperature, Comparators.
PIC16F1782T-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1783-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1782-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1776-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1768-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1782-E/SO Tỷ lệ tối đa & tính chất điện
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC16 enhanced mid-range (14-bit instruction word) |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data EEPROM | 256 B |
| Data SRAM | 256 B |
| CPU Speed | 32 MHz (up to 16 MIPS, 200 ns instruction cycle) |
| Supply Voltage Range | 1.8 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +125C (Extended grade -E) |
| ADC | 12-bit, up to 11 channels |
| DAC | 8-bit |
| On-chip Op Amps | Yes (integrated operational amplifiers) |
| Comparators | Fast comparators integrated |
| PSMC | Programmable Switch Mode Controller peripheral |
| Capture/Compare/PWM (CCP) | 2 CCP modules |
| Serial Interfaces | EUSART, I2C, SPI |
| Hộp | 28-SOIC (0.295", 7.50 mm width) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Low-Power Feature | XLP (eXtreme Low Power) nanoWatt technology |
Cấu hình chân PIC16F1782-E/SO
| Chân 1 | RA3/AN7/CPS7/SS — Port A bit 3 / Analog input 7 / Capacitive touch / SPI SS |
| Chân 2 | RA4/OPA1IN1-/DAC5OUT/T0CKI — Port A bit 4 / Op-amp 1 inverting input / DAC5 output / Timer0 clock input |
| Chân 3 | RA5/OPA1IN1+/DAC1OUT/SS2 — Port A bit 5 / Op-amp 1 non-inverting input / DAC1 output / SPI SS2 |
| Chân 4 | RA6/OSC2/CLKOUT — Port A bit 6 / Crystal oscillator output / Clock out |
| Chân 5 | RA7/OSC1/CLKIN — Port A bit 7 / Crystal oscillator input / Clock in |
| Chân 6 | VSS — Ground reference |
| Chân 7 | VDD — Positive supply voltage |
| Chân 8 | RB0/AN12/CCP4/SRI — Port B bit 0 / Analog input 12 / CCP4 / Serial receiver in |
| Chân 9 | RB1/AN10/CPS10/CCP5 — Port B bit 1 / Analog input 10 / CPS10 / CCP5 |
| Chân 10 | RB2/AN8/CPS8/PSMC1T — Port B bit 2 / Analog input 8 / CPS8 / PSMC1 timing |
| Chân 11 | RB3/AN9/CPS9/PSMC1N — Port B bit 3 / Analog input 9 / CPS9 / PSMC1 negative |
| Chân 12 | RB4/AN11/CPS11/PSMC2T — Port B bit 4 / Analog input 11 / CPS11 / PSMC2 timing |
| Chân 13 | RB5/AN13/CPS13/PSMC2N — Port B bit 5 / Analog input 13 / CPS13 / PSMC2 negative |
| Chân 14 | RB6/ICSPCLK/ICDCLK — Port B bit 6 / In-circuit serial programming clock |
| Chân 15 | RB7/ICSPDAT/ICDDAT — Port B bit 7 / In-circuit serial programming data |
| Chân 16 | RC0/P2A/CCP6 — Port C bit 0 / PWM output / CCP6 |
| Chân 17 | RC1/P2B/CPS15 — Port C bit 1 / PWM output / CPS15 |
| Chân 18 | RC2/P1A/CPS16/CCP2 — Port C bit 2 / PWM output / CPS16 / CCP2 |
| Chân 19 | RC3/SEG15/CCP3/PSMC3N — Port C bit 3 / LCD segment 15 / CCP3 / PSMC3 negative |
| Chân 20 | RC4/SEG14/CPS17/PSMC3T — Port C bit 4 / LCD segment 14 / CPS17 / PSMC3 timing |
| Chân 21 | RC5/SEG13/CPS18/PSMC4N — Port C bit 5 / LCD segment 13 / CPS18 / PSMC4 negative |
| Chân 22 | RC6/SEG12/CPS19/PSMC4T — Port C bit 6 / LCD segment 12 / CPS19 / PSMC4 timing |
| Chân 23 | RC7/SEG11 — Port C bit 7 / LCD segment 11 |
| Chân 24 | RE3/MCLR/VPP — Port E bit 3 / Master clear reset / Programming voltage |
| Chân 25 | RA0/AN0/CPS0/OPA2IN1+ — Port A bit 0 / Analog input 0 / CPS0 / Op-amp 2 non-inverting input |
| Chân 26 | RA1/AN1/CPS1/OPA2IN1- — Port A bit 1 / Analog input 1 / CPS1 / Op-amp 2 inverting input |
| Chân 27 | RA2/AN2/CPS2/DAC2OUT/OPA2OUT — Port A bit 2 / Analog input 2 / CPS2 / DAC2 output / Op-amp 2 output |
| Chân 28 | AVSS — Analog ground reference |
Ứng dụng tiêu biểu
PIC16F1782-E/SO phù hợp cho 6 Áp dụngs: LED Lighting Control, Switch-Mode Power Supply (SMPS) Control, Sensor Signal Conditioning, Battery Charging Controllers, Industrial Control Appliances, Consumer Appliance Controllers.
LED Lighting Control
The PIC16F1782's PSMC (Programmable Switch Mode Controller) peripheral delivers hardware-accelerated PWM control ideal for constant-current LED drivers and dimmable lighting designs. With 12-bit ADC feedback from a sense resistor, 8-bit DAC for reference, and 32 MHz CPU enabling tight control loops, the MCU handles both dimming (analog 0-10V, DALI, PWM input) and switch-mode drive of buck/boost LED converters. The 1.8 V to 5.5 V supply range allows direct battery or USB-powered operation, while XLP nanoWatt sleep modes keep standby power below typical standby limits in smart bulbs. Place a 100 nF + 10 uF decoupling pair at VDD/AVDD and route the LED current-sense trace as a Kelvin connection to the ADC input for best regulation accuracy.
Được đề xuất
Switch-Mode Power Supply (SMPS) Control
The PSMC peripheral in the PIC16F1782 is purpose-built for SMPS control: primary-voltage primary-side regulation, programmable dead-band, shutdown and auto-shutdown features for quasi-resonant and fixed-frequency topologies. Operating from 1.8 V to 5.5 V, the MCU can run directly from auxiliary winding-derived bias, while the 32 MHz core and 12-bit ADC close voltage and current loops at sub-microsecond response. The 8-bit DAC enables dynamic duty-ratio adjustments and the integrated op amps simplify current-sense amplification. Use a 1% or better reference for Vref divider, and place PSMC outputs through gate-driver ICs like TC4427 before the MOSFET gate to avoid MCU pin stress.
Được đề xuất
Sensor Signal Conditioning
The PIC16F1782's integrated op amps, fast comparators, 12-bit ADC and 8-bit DAC form a complete analog front-end for bridge sensors, thermocouples, and RTD conditioning without external instrumentation amplifiers. The 12-bit ADC with up to 11 channels multiplexes thermocouple, cold-junction compensation and reference readings, while the on-chip op amp buffers the bridge for high-impedance sensors. At 32 MHz CPU speed, linearization math runs in real time. The XLP nanoWatt sleep mode keeps battery-powered sensor transmitters below typical quiescent targets, making the device ideal for 4-20 mA loop-powered or wireless sensor nodes. Recommend a low-TC reference for ADC Vref and matched 0.1% resistors in the bridge excitation circuit.
Được đề xuất
Battery Charging Controllers
With its wide 1.8 V to 5.5 V operating range, 12-bit ADC for battery voltage/current telemetry, and PSMC for switching element control, the PIC16F1782-E/SO fits Li-Ion/LiPo, NiMH, and lead-acid charging topologies from chargers to portable tools. The 8-bit DAC programs CV/CC reference thresholds, while the integrated op amp amplifies current-sense resistor drop for CC loop closure. EUSART and I2C provide host-side telemetry of SoC, cycle count, and temperature faults. The XLP sleep mode reduces quiescent draw between charge cycles. Choose a P-channel MOSFET or gate driver controlled by PSMC output and place a 10 uF + 100 nF decoupling pair adjacent to VDD for switching-noise immunity.
Được đề xuất
Industrial Control Appliances
The PIC16F1782-E/SO's extended -40C to +125C temperature grade, 32 MHz CPU, 12-bit ADC and PSMC peripheral make it a strong fit for industrial control appliances such as motor starters, small appliance controllers, HVAC fan drivers, and IoT gateway nodes. EUSART plus I2C/SPI interfaces connect to HMI displays, sensors and Modbus links. The integrated comparators handle zero-cross detection and overcurrent events without external ICs. The 28-SOIC package allows through-hole-style robustness on conformal-coated boards. Place 100 nF ceramics at each VDD/AVDD pair, isolate analog and digital ground, and follow Microchip's MPLAB X IDE code examples for CCP-based PWM control of small DC/brushless motors.
Được đề xuất
Consumer Appliance Controllers
The PIC16F1782-E/SO's combination of low cost, XLP nanoWatt technology, 12-bit ADC, PSMC, and on-chip op amps makes it a versatile choice for white goods, kitchen appliances, and small consumer electronics. With 3.5 KB Flash it fits typical keypad-control and sensor-feedback firmware comfortably, while EUSART provides a debug console and I2C drives character LCDs or EEPROMs. The 28-SOIC package is easy to hand-prototype and supports standard 1.27 mm pitch headers. For battery-backed cordless appliances, sleep current below typical nanoWatt targets extends standby time. Recommend routing PSMC outputs through dedicated gate drivers and isolating the analog VDD/AVDD pair with a ferrite bead from noisy digital rails.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1782-E/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F1782T-E/SO | PIC16F1783-E/SO | PIC16F1782-I/SO | PIC16F1776-E/SO | PIC16F1768-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-QFN (ML) - 28-pin equivalent |
| PSMC Peripheral | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
Bảo phân biệt quan trọng
- PSMC (Programmable Switch Mode Controller) peripheral integrated (vsPIC16F1776-E/SO)
- Wider 1.8 V to 5.5 V supply range with XLP nanoWatt sleep (vsPIC16F1768-I/ML)
- 12-bit ADC integrated alongside 8-bit DAC (vsPIC16F1782-I/SO)
Ghi chú thiết kế
Decouple VDD/AVDD with a 100 nF ceramic capacitor placed within 5 mm of the MCU pins, plus a bulk 10 uF capacitor. Place the 100 nF cap as close as possible to the MCU and minimize the VDD-to-cap trace length. For noise-sensitive analog measurements, power AVDD from a ferrite bead isolated from digital VDD. The PIC16F1782 datasheet (DS40001670D) recommends minimizing ADC reference impedance to keep ADC1 conversion accuracy within the 12-bit LSB budget.
Do not exceed the 5.5 V absolute maximum on VDD or expose any I/O pin to voltages outside the VSS to VDD range. The MCLR pin (pin 24) must have a pull-up to VDD (typically 10 kohm) to avoid spurious resets; the optional MCLR capacitor (typically 100 nF) adds noise immunity but slows reset. Always configure unused I/O pins as outputs driven low in firmware to minimize shoot-through current during transitions.
Route the ICSP clock and data lines (RB6/ICSPCLK and RB7/ICSPDAT) directly to a programming header with no series resistors; the ICSP specification requires 0 ohm paths. Place a small ground guard ring around the analog ADC inputs (AN0-AN13) on the PCB to reduce digital switching noise coupling. For PSMC-driven switching circuits, keep the PSMC outputs (RB2-RB5) short and route them through gate-driver ICs rather than driving MOSFET gates directly from MCU pins.
Estimated: in the 28-SOIC package, theta_JA is approximately 100 C/W at JEDEC EIA/JESD51 4-layer conditions. At maximum operating current (~10 mA active, ~50 nA sleep), self-heating is negligible (< 0.5 C rise) and the -40C to +125C operating temperature window is easily met. Verify junction temperature against ambient in high-temperature industrial installations using the 28-SOIC thermal pad design from the Microchip PIC16F1782 datasheet (DS40001670D).
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - automotive applications should consult Microchip Automotive portfolio or use Q1/AEC-Q100-qualified variants.
