PIC16F1784T-I/ML - 8-Bit 32MHz MCU, 7KB Flash, 44-QFN | Microchip
MPN: PIC16F1784T-I/ML ✓ Hoạt độngPIC16F1784T-I/ML Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals around an 8-bit data path. Within the semiconductor taxonomy, an MCU belongs to the broader class of microcontrollers -> microcomputers -> processors -> digital ICs. The PIC16 family from Microchip uses a Harvard RISC architecture and is positioned as low-cost, low-power general-purpose controllers in industrial, consumer, and automotive-adjacent applications.
Key features of the PIC16F1784 include 32MHz CPU speed (8MHz instruction clock with 4x PLL), 7KB self-programmable Flash, 512B RAM, 256B EEPROM, 36 I/O pins, a 12-bit ADC with up to 14 channels, two 8-bit DACs, two op-amps, two comparators, four 16-bit timers, enhanced PWM (10-bit/16-bit), and an on-chip 32MHz internal oscillator. The XLP variants feature ultra-low-power sleep currents (typical 20nA) ideal for battery applications.
The architecture combines a RISC CPU with Core Independent Peripherals (CIPs) that handle tasks in the background, freeing the CPU for higher-level logic. Signal-chain peripherals (op-amps, DACs, comparators, ADC) are tightly integrated with PWM and timers, enabling closed-loop analog control without external components.
Typical applications include LED lighting controllers, motor control (BLDC/PMSM), battery chargers, sensor signal conditioning, industrial control, and low-power IoT edge nodes where the integrated analog and XLP power profile reduce BOM cost and board area.
Designers should leverage the device's Core Independent Peripherals (CIPs) to offload timing-critical tasks from the CPU. The exposed thermal pad (EP) on the QFN-44 must be soldered to the PCB ground plane for thermal dissipation and electrical performance.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC16 family, application notes, and PCB layout guidance not bundled in the manufacturer datasheet PDF.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1784T-I/ML — 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 PIC16F1784T-I/ML (cùng hình factor và footprint) — khác nhau ở Package, DAC, ADC, MSL Level, Operational Amplifiers.
PIC16F1784-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1784-E/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1779-E/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1719-E/MV
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1768-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1764-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1784T-I/ML Tỷ lệ tối đa & tính chất điện
| Program Memory Size | 7 KB (4K x 14) Flash |
| RAM Size | 512 B |
| EEPROM Size | 256 B |
| CPU Core | PIC16 8-bit RISC |
| CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage | 2.3 V to 5.5 V |
| Number of I/O Pins | 36 |
| ADC | 12-bit, up to 14 channels |
| DAC | 8-bit, 2 channels |
| Operational Amplifiers | 2 on-chip |
| Comparators | 2 |
| Timers | 4 x 16-bit / 2 x 8-bit |
| PWM | Enhanced PWM, 10/16-bit |
| Internal Oscillator | 32 MHz, factory calibrated |
| Communication | I2C, SPI, UART (EUSART) |
| Hộp | 44-QFN (8x8 mm) with Exposed Pad (ML) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F1784T-I/ML
| Chân 1 | RE3/MCLR/VPP — Digital input / Master Clear (Reset) / Programming voltage |
| Chân 2 | RA0/AN0/C1IN0-/C2IN0-/OPA1OUT — Bidirectional I/O / ADC ch0 / Comparator input / Op-amp 1 output |
| Chân 3 | RA1/AN1/C1IN1-/C2IN1-/OPA1IN- — Bidirectional I/O / ADC ch1 / Comparator input / Op-amp 1 inverting input |
| Chân 4 | RA2/AN2/C1IN0+/C2IN0+/OPA1IN+ — Bidirectional I/O / ADC ch2 / Comparator input / Op-amp 1 non-inverting input |
| Chân 5 | RA3/AN3/C1IN1+/C2POS — Bidirectional I/O / ADC ch3 / Comparator input |
| Chân 6 | RA4/AN4/C1OUT/T0CKI — Bidirectional I/O / ADC ch4 / Comparator output / Timer 0 clock |
| Chân 7 | RA5/AN5/OPA2OUT/SS — Bidirectional I/O / ADC ch5 / Op-amp 2 output / SPI slave select |
| Chân 8 | RA6/OSC2/CLKOUT — Bidirectional I/O / Crystal output / Clock output |
| Chân 9 | RA7/OSC1/CLKIN — Bidirectional I/O / Crystal input / External clock input |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Positive supply voltage |
| Chân 12 | RB0/AN12/C2OUT — Bidirectional I/O / ADC ch12 / Comparator output |
| Chân 13 | RB1/AN10/C1IN3-/C2IN3-/P1C — Bidirectional I/O / ADC ch10 / Comparator input / PWM1C |
| Chân 14 | RB2/AN8/C1IN2-/C2IN2-/P1B — Bidirectional I/O / ADC ch8 / Comparator input / PWM1B |
| Chân 15 | RB3/AN9/C1IN2+/C2IN2+/P1A — Bidirectional I/O / ADC ch9 / Comparator input / PWM1A |
| Chân 16 | RB4/AN11/C2IN1+/P1D — Bidirectional I/O / ADC ch11 / Comparator input / PWM1D |
| Chân 17 | RB5/AN7/CCP5/DAC5 — Bidirectional I/O / ADC ch7 / CCP5 / DAC5 output |
| Chân 18 | RB6/PGC/ICSPCLK — Bidirectional I/O / Programming clock / ICSP clock |
| Chân 19 | RB7/PGD/ICSPDAT — Bidirectional I/O / Programming data / ICSP data |
| Chân 20 | RC0/P2A/SCL — Bidirectional I/O / PWM2A / I2C clock |
| Chân 21 | RC1/P2B/SDA — Bidirectional I/O / PWM2B / I2C data |
| Chân 22 | RC2/P2C/CCP1 — Bidirectional I/O / PWM2C / CCP1 |
| Chân 23 | RC3/P2D/CCP2 — Bidirectional I/O / PWM2D / CCP2 |
| Chân 24 | RC4/CCP3 — Bidirectional I/O / CCP3 |
| Chân 25 | RC5/CCP4/DAC6 — Bidirectional I/O / CCP4 / DAC6 output |
| Chân 26 | RC6/TX/CK/AN6 — Bidirectional I/O / UART TX / UART clock / ADC ch6 |
| Chân 27 | RC7/RX/DT/AN13 — Bidirectional I/O / UART RX / UART data / ADC ch13 |
| Chân 28 | RD0/AN16/DAC3 — Bidirectional I/O / ADC ch16 / DAC3 output |
| Chân 29 | RD1/AN17/DAC4 — Bidirectional I/O / ADC ch17 / DAC4 output |
| Chân 30 | RD2/AN18 — Bidirectional I/O / ADC ch18 |
| Chân 31 | RD3/AN19 — Bidirectional I/O / ADC ch19 |
| Chân 32 | RD4/AN20/SDO2 — Bidirectional I/O / ADC ch20 / SPI2 data out |
| Chân 33 | RD5/AN21/SDI2 — Bidirectional I/O / ADC ch21 / SPI2 data in |
| Chân 34 | RD6/AN22/SCK2 — Bidirectional I/O / ADC ch22 / SPI2 clock |
| Chân 35 | RD7/AN23/SS2 — Bidirectional I/O / ADC ch23 / SPI2 slave select |
| Chân 36 | RE0/AN5/DAC1 — Bidirectional I/O / ADC ch5 / DAC1 output |
| Chân 37 | RE1/AN6/DAC2 — Bidirectional I/O / ADC ch6 / DAC2 output |
| Chân 38 | RE2/AN7 — Bidirectional I/O / ADC ch7 |
| Chân 39 | AVSS — Analog ground |
| Chân 40 | AVDD — Analog positive supply |
| Chân 41 | NC — Not connected (per datasheet) |
| Chân 42 | NC — Not connected (per datasheet) |
| Chân 43 | VSS — Ground reference |
| Chân 44 | VDD — Positive supply voltage |
Ứng dụng tiêu biểu
PIC16F1784T-I/ML phù hợp cho 7 Áp dụngs: Sensor Signal Conditioning, LED Lighting and Color Control, Battery-Powered IoT Edge Nodes, BLDC and PMSM Motor Control, Industrial Control and Process Automation, Smart Battery Chargers and Power Management, Consumer Appliance Control.
Sensor Signal Conditioning
The PIC16F1784T-I/ML's on-chip 12-bit ADC, two 8-bit DACs, and two operational amplifiers make it a single-chip solution for sensor signal conditioning front-ends. The internal op-amps can buffer and amplify low-impedance sensor outputs (thermocouples, RTDs, strain gauges) directly to the ADC, eliminating external instrumentation amplifiers. With 32MHz CPU speed and 14 ADC channels, the part handles multi-sensor acquisition loops at sub-millisecond latency. According to Microchip application note AN2648, the integrated CIPs offload tiggers such as zero-crossing detection from the CPU, reducing firmware complexity. Pin-compatible alternatives allow easy migration when ADC resolution or amplifier count must change.
Được đề xuất
LED Lighting and Color Control
The PIC16F1784T-I/ML's enhanced 16-bit PWM with up to 4 complementary outputs and Core Independent Peripherals (CIPs) is well-suited for LED drivers and color-mixing controllers. The integrated 12-bit ADC measures ambient light and color temperature feedback, while the 8-bit DACs drive constant-current reference voltages. The XLP low-power modes allow always-on lighting control from battery or harvested power. Microchip AN1078 outlines PIC16-based LED boost/SEPIC topologies. Designers can use the device to dim multiple LED strings with synchronized PWM, all closed-loop without CPU intervention.
Được đề xuất
Battery-Powered IoT Edge Nodes
The XLP (eXtreme Low Power) feature set of the PIC16F1784T-I/ML makes it ideal for battery-powered IoT edge nodes. Sleep currents as low as 20nA (datasheet DS40001775E) enable years of operation on a single coin cell. The 32MHz active CPU handles sensor processing on-demand, while the integrated peripherals (12-bit ADC, op-amps, comparators) wake the CPU only on threshold events. The 44-QFN /ML package (8x8mm) is compact for wearables or sensor tags. Combined with an SPI/I2C interface, the part forms a complete low-power wireless sensor front-end.
Được đề xuất
BLDC and PMSM Motor Control
The PIC16F1784T-I/ML integrates 4 enhanced PWM channels with complementary outputs, hardware dead-band control, and 32MHz CPU throughput, providing a complete low-cost BLDC/PMSM motor controller for small motors (up to ~100W). On-chip op-amps sense back-EMF or shunt current; comparators provide hardware overcurrent protection. According to Microchip AN1078 and AN2721, the PIC16 family supports sensorless sinusoidal commutation for fans, pumps, and appliance drives. The 44-pin QFN footprint gives access to all enhanced PWM and analog channels needed for FOC-like trapezoidal control.
Được đề xuất
Industrial Control and Process Automation
The PIC16F1784T-I/ML's 36 I/O pins, 12-bit ADC, dual comparators, and 2.3-5.5V operation fit PLC-style I/O modules, 4-20mA loop interfaces, and process controllers. EUSART supports RS-485 communication via external transceivers; SPI/I2C handle sensor and EEPROM expansion. The industrial temperature grade (-40 to +85C) and Core Independent Peripherals (CIPs) - including CLC, NCO, and PWM - provide deterministic control without CPU overhead. The 44-QFN exposed pad aids thermal dissipation for continuous-operation industrial enclosures.
Được đề xuất
Smart Battery Chargers and Power Management
The PIC16F1784T-I/ML integrates 12-bit ADC for voltage/current monitoring, two op-amps for current-sense amplification, and 8-bit DACs for reference setpoints - all useful in closed-loop battery charging topologies (Li-ion, NiMH, lead-acid). The 32MHz CPU executes MPPT or CC-CV charging algorithms in real time. PWM drives synchronous-rectifier MOSFETs directly via gate drivers. The XLP variant supports sleep-mode charging termination. According to Microchip AN1419, PIC16 MCUs are commonly used in solar charge controllers and battery management units with field-proven firmware reference designs.
Được đề xuất
Consumer Appliance Control
The PIC16F1784T-I/ML's mix of analog and digital peripherals suits white-goods and small appliance controllers (coffee machines, blenders, vacuum cleaners). The 12-bit ADC reads temperature and pressure sensors; comparators detect zero-crossing for triac/SCR phase-angle control; op-amps condition sensor signals; PWM drives motors or heaters. The QFN/ML package's exposed pad provides good thermal dissipation for continuous-duty appliances. The XLP low-power modes extend battery life on cordless products. Pin-compatible alternatives allow cost-down or feature-up design paths without PCB changes.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1784T-I/ML — 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 | PIC16F1784-I/ML | PIC16F1784-E/ML | PIC16F1779-E/ML | |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Package | 44-QFN (ML) 8x8mm | 44-QFN (ML) - same | 44-QFN (ML) - same | 44-QFN (ML) - same | 44-QFN (MV) - same |
| CPU Architecture | PIC16 8-bit RISC | PIC16 8-bit RISC | PIC16 8-bit RISC | PIC16 8-bit RISC | |
| CPU Speed | 32 MHz (8 MIPS) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | |
| Flash | 7 KB | 7 KB | 7 KB | 7 KB | |
| RAM | 512 B | 512 B | 512 B | 512 B | |
| ADC Resolution | 12-bit, 14 channels | 12-bit, 14 channels | 12-bit, 14 channels | 10-bit | 10-bit |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +125C (Extended) |
Bảo phân biệt quan trọng
- Integrated 12-bit ADC plus 2 on-chip op-amps eliminates external analog front-end (vsPIC16F1779-E/ML)
- Extended temperature grade option (E/ML) covers -40 to +125 C (vsPIC16F1784T-I/ML (industrial -40 to +85C))
- Industrial-grade variant (I/ML) ships immediately vs E/ML lead time (vsPIC16F1784-E/ML)
Ghi chú thiết kế
The 44-QFN (ML) package has an exposed thermal pad on the underside that MUST be soldered to a PCB copper pad for both thermal dissipation and electrical ground reference. According to JEDEC JESD51 thermal test methodology, the recommended pad size is at least 6mm x 6mm with thermal vias (0.3mm diameter, 1.0mm pitch) connecting to an internal ground plane. Without the EP soldered, thermal resistance (theta_JA) increases dramatically and the device may not meet rated performance at high CPU utilization.
Place 100nF ceramic decoupling capacitors as close as possible to each VDD/VSS pin pair, and a single 10uF bulk capacitor on the main VDD rail. Separate AVDD/AVSS from VDD/VSS with a ferrite bead or filter resistor when the analog peripherals (ADC, DAC, op-amps) are used, to prevent digital switching noise from coupling into sensitive analog measurements. According to datasheet DS40001775E, the device supports 2.3V to 5.5V operation; verify that analog references (DAC/ADC reference voltage pins) match VDD if internal references are used.
Do not leave unused ADC channels floating - tie them to AVSS or a known voltage to prevent shoot-through current and ADC reading noise. The MCLR pin (RE3) can be configured as a digital input or reset input via configuration bits; if unused, it must be pulled high through a 10k resistor to VDD to prevent unintended resets. The ICSPDAT/ICSPCLK pins (RB6/RB7) may interfere with in-circuit programming if external circuitry holds these pins low during reset - use series resistors (4.7k or higher) when sharing these pins with application circuitry.
When using the on-chip 12-bit ADC for precision measurements, the source impedance should be kept below 1k ohm to minimize acquisition time errors. The integrated op-amps (OPA1OUT, OPA2OUT) can directly drive ADC inputs, providing low-impedance buffered signals. Avoid routing high-frequency digital signals (PWM, SPI clock) parallel to analog traces; use a ground pour under analog sections and keep analog/digital traces separated. According to Microchip AN684, ADC accuracy degrades with sampling rate - keep ADC clock at 1MHz maximum for 12-bit accuracy.
Estimated: at 5V VDD, 32MHz CPU active, and full peripheral utilization, the PIC16F1784T-I/ML typical active current is approximately 8 mA, dissipating 40 mW in the 44-QFN /ML package. With theta_JA of approximately 28 C/W on a 4-layer JEDEC test board, junction temperature rise is ~1.1 C above ambient - well within the 125 C max. However, the exposed pad must be soldered as noted above; without the EP, theta_JA can exceed 80 C/W, causing thermal derating in hot enclosures.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page DS40001775E. Not AEC-Q100 qualified - automotive applications should use PIC16F1784-E/ML or PIC16F1789 AEC-Q100 variants. Halogen-free per Microchip environmental compliance datasheet.
