PIC24FJ16MC102T-I/SO - 16-bit 16 MIPS Motor Control MCU | Microchip
MPN: PIC24FJ16MC102T-I/SO ✓ فعالPIC24FJ16MC102T-I/SO نمای کلی
An MCU (microcontroller unit) is an integrated system-on-chip that combines a CPU core, volatile and non-volatile memory, and a configurable peripheral set behind a single package. The PIC24FJ family implements a modified Harvard architecture with a 16-bit data path, a 24-bit instruction word, and a 17-bit by 16-bit hardware multiplier; code is executed in a single cycle from Flash, and the device is C-compiler-optimized for embedded application development. The motor-control (MC) sub-family extends this base with peripherals specifically engineered for driving BLDC, PMSM, ACIM and stepper stages.
Key features of the PIC24FJ16MC102T-I/SO include up to 6 PWM channels with dedicated PWM time bases for complementary, edge-aligned or center-aligned switching, a 6-channel 10-bit ADC with conversion rates up to 500 ksps, multiple communication interfaces (UART, SPI, I2C), an 8 MHz internal oscillator with 4x PLL option (yielding 32 MHz operation), and CTMU support for touch and current sensing. The device supports industrial-grade -40 °C to +85 °C operation, three 16-bit timers and one 32-bit timer, and PPS (Peripheral Pin Select) for flexible I/O mapping.
Architecturally, the PIC24FJ MC family combines the standard PIC24 core with a Motor Control PWM (MCPWM) module capable of generating complementary PWM outputs with programmable dead time, a high-speed ADC trigger, and a QEI (Quadrature Encoder Interface) for closed-loop rotor position sensing. The CTMU (Charge Time Measurement Unit) provides on-chip timing for capacitive touch and for current-sensing analog front-ends, removing external analog conditioning.
Typical applications include low-cost BLDC and PMSM sensorless or sensored motor drives (small fans, pumps, appliance motors), 3D-printer stepper control, washing-machine and home-appliance motor boards, and LED lighting power stages. Its small 28-SOIC footprint is also attractive for hobby motor-control boards and Christmas-light controllers where board area is constrained.
When designing with this part, ensure the supply is decoupled with 10 µF bulk plus 100 nF ceramic close to VDD/AVDD pins, and respect the 3.6 V absolute maximum to avoid latch-up. The 'T' suffix indicates Tape & Reel packaging, and the -I (Industrial) temperature grade covers -40 °C to +85 °C operation.
This page synthesizes distributor pricing, drop-in alternatives in the same SOIC-28 footprint, and practical design notes not aggregated in any single distributor listing — useful for engineers evaluating second-source or pin-compatible replacements for the PIC24FJ16MC102T-I/SO.
جایگزین‌های drop-in برای PIC24FJ16MC102T-I/SO — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC24FJ16MC102T-I/SO (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, ADC, Core Architecture, Program Memory (Flash).
PIC24FJ16MC102-I/SO
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC24FJ16MC101-I/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FJ16MC102-I/SS
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FJ16MC102T-I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FJ32MC102-I/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FJ16MC102T-I/SO حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | PIC 16-bit (modified Harvard) |
| CPU Performance | 16 MIPS at 32 MHz |
| Max CPU Frequency | 32 MHz (8 MHz internal + 4x PLL) |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data RAM | 1 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| دمای کاری | -40 °C to +85 °C (Industrial, -I) |
| بسته‌بندی | 28-pin SOIC (0.295 inch / 7.50 mm body width) |
| نوع نصب | Surface Mount |
| ADC | 6-channel, 10-bit, up to 500 ksps |
| PWM Channels | Up to 6 (MCPWM, with complementary outputs and dead time) |
| Timers | 3 x 16-bit + 1 x 32-bit |
| Communication | UART, SPI, I2C |
| Internal Oscillator | 8 MHz with 4x PLL and multiple divide options |
| Special Features | CTMU, PPS, QEI, 17-bit hardware multiplier / 16-bit divider |
| سطح MSL | MSL 1 |
| وضعیت RoHS | Compliant |
| Lifecycle Stage | ACTIVE |
پیکربندی پین PIC24FJ16MC102T-I/SO
| پین 1 | MCLR — Master Clear (Reset) input, active-low |
| پین 2 | OSC1/RA0 — Oscillator input or GPIO RA0 |
| پین 3 | OSC2/RA1 — Oscillator output or GPIO RA1 |
| پین 4 | RA2 — GPIO RA2 |
| پین 5 | RA3 — GPIO RA3 |
| پین 6 | RA4 — GPIO RA4 |
| پین 7 | RA5 — GPIO RA5 |
| پین 8 | VSS — Ground |
| پین 9 | RA6 — GPIO RA6 |
| پین 10 | RA7 — GPIO RA7 |
| پین 11 | RB0 — GPIO RB0 / AN0 |
| پین 12 | RB1 — GPIO RB1 / AN1 |
| پین 13 | RB2 — GPIO RB2 / AN2 |
| پین 14 | RB3 — GPIO RB3 / AN3 |
| پین 15 | RB4 — GPIO RB4 / AN4 |
| پین 16 | RB5 — GPIO RB5 / AN5 |
| پین 17 | RB6 — GPIO RB6 |
| پین 18 | RB7 — GPIO RB7 |
| پین 19 | VSS — Ground |
| پین 20 | VDD — Digital supply, 3.0-3.6 V |
| پین 21 | RC0 — GPIO RC0 |
| پین 22 | RC1 — GPIO RC1 |
| پین 23 | RC2 — GPIO RC2 |
| پین 24 | RC3 — GPIO RC3 |
| پین 25 | RC4 — GPIO RC4 |
| پین 26 | RC5 — GPIO RC5 |
| پین 27 | AVSS — Analog ground |
| پین 28 | AVDD — Analog supply, 3.0-3.6 V |
کاربردهای معمول
PIC24FJ16MC102T-I/SO مناسب است برای 6 کاربردs: BLDC / PMSM Sensorless Fan Control, Low-Cost Stepper / 3D-Printer Driver Board, Home Appliance Motor Control (Washing Machines, Pumps), Sensorless / Sensored Ceiling-Fan BLDC Driver, Battery-Powered LED Lighting and Decorative Drivers, Small Servo and Robotics Hobby Drivers.
BLDC / PMSM Sensorless Fan Control
The PIC24FJ16MC102T-I/SO is well matched to sensorless BLDC fan control because its 6-channel MCPWM delivers complementary PWM with programmable dead time to drive a three-phase inverter at up to 32 MHz CPU speed, while the 6-channel 10-bit ADC samples back-EMF zero-crossings for commutation. The CTMU module handles current sensing through a shunt resistor with sub-microsecond timing, eliminating the analog comparator. The 1 KB SRAM is sufficient for state-machine sensorless algorithms; 16 KB Flash fits vector-control or back-EMF firmware. Industrial -40 °C to +85 °C operation ensures fan reliability in PC, appliance, and HVAC enclosures.
پیشنهادی
Low-Cost Stepper / 3D-Printer Driver Board
The PIC24FJ16MC102T-I/SO serves as a stepper controller in 3D-printer boards by generating two bipolar stepper channels from its 6-channel MCPWM, while the 6-channel 10-bit ADC reads thermistor and end-stop inputs. 16 MIPS is enough throughput to run trapezoidal motion profiling and UART/I2C command interfaces simultaneously. The 28-SOIC footprint fits compact Sanguinololu / Melzi-style controller boards. Industrial temperature grade supports enclosed-printer thermal loads, and PPS pin mapping lets the designer route PWM and serial lines to convenient PCB locations without re-routing firmware.
پیشنهادی
Home Appliance Motor Control (Washing Machines, Pumps)
Home-appliance motor boards (washing-machine pumps, dishwasher circulators, dishwasher drain pumps) use the PIC24FJ16MC102T-I/SO for its dedicated motor-control PWM and QEI peripherals. The QEI directly interfaces to Hall sensors or incremental encoders for closed-loop rotor position, while the 6-channel ADC reads motor current, voltage, and temperature. 16 KB Flash stores speed/torque control curves and safety state machines; 1 KB RAM buffers ADC scan data. The industrial -40 °C to +85 °C temperature grade ensures operation inside appliance cabinets, and the 28-SOIC footprint supports wave-soldered production lines.
پیشنهادی
Sensorless / Sensored Ceiling-Fan BLDC Driver
Ceiling fans and small ceiling-mounted BLDC drivers benefit from the PIC24FJ16MC102T-I/SO's combination of MCPWM, ADC, and CTMU in a 28-SOIC package that fits a 50 mm diameter motor-control PCB. The internal 8 MHz oscillator with 4x PLL removes the need for an external crystal, reducing BOM cost. 16 MIPS is enough to implement sensorless trapezoidal commutation with active braking and soft-start; the CTMU provides microamp-accurate timing for zero-crossing detection. Industrial temperature grade (-40 °C to +85 °C) is critical for ceiling environments with poor ventilation.
پیشنهادی
Battery-Powered LED Lighting and Decorative Drivers
Battery and mains-LED decorative drivers (Christmas lights, RGB pixel controllers, accent lighting) use the PIC24FJ16MC102T-I/SO as a low-cost 3.3 V MCU whose PWM channels dim multiple LED strings while the ADC monitors battery voltage or current. CTMU supports touch-button user interfaces without external analog components, and 16 MIPS is ample for WS2812 / APA102 protocol bit-banging or DMX-style control. The 28-SOIC footprint handles wave-soldering; industrial temperature grade ensures outdoor string operation. PPS pin select lets designers route PWM outputs to convenient PCB edges.
پیشنهادی
Small Servo and Robotics Hobby Drivers
Hobby robotics platforms, pan-tilt servo controllers, and small-servo driver boards integrate the PIC24FJ16MC102T-I/SO because 6 PWM channels drive up to six hobby servos at 50 Hz refresh, while the UART and I2C peripherals talk to host controllers and sensor buses. 16 MIPS handles up to 12-bit servo position interpolation and sensor-fusion loops. The 28-SOIC footprint is breadboard-friendly on through-hole adapter boards, and the industrial temperature grade supports outdoor robotics. CTMU provides capacitive-touch input for robot start/stop.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC24FJ16MC102T-I/SO — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC24FJ16MC102-I/SO | PIC24FJ16MC101-I/SO | PIC24FJ16MC102-I/SS | PIC24FJ16MC102T-I/ML | PIC24FJ32MC102-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SSOP - same pinout, smaller footprint | 28-QFN - same pinout, smaller footprint | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB (+100%) |
| RAM | 1 KB | 1 KB | 0.5 KB (-50%) | 1 KB | 1 KB | 2 KB (+100%) |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Channels | 6 x 10-bit | 6 x 10-bit | 6 x 10-bit | 6 x 10-bit | 6 x 10-bit | 6 x 10-bit |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Grade | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
تفاوت‌های کلیدی
- Dedicated motor-control peripherals (MCPWM, QEI, CTMU) (در مقابلPIC24FJ16GA002)
- 32 KB Flash option available in same SOIC-28 footprint (در مقابلPIC24FJ32MC102-I/SO)
- Multiple package options (SOIC, SSOP, QFN) on same die (در مقابلPIC24FJ16MC102-I/SS)
یادداشت‌های طراحی
The PIC24FJ16MC102T-I/SO operates from 3.0 V to 3.6 V; exceeding 3.6 V on VDD or AVDD can permanently damage the device. Decouple VDD and AVDD with a 10 µF bulk + 100 nF ceramic capacitor within 5 mm of each pin, and tie AVDD to VDD through a ferrite bead if analog performance is critical. Power-on ramp should be monotonic; MCLR must track VDD during power-up via a 10 kΩ pull-up to VDD.
The 28-SOIC land pattern requires a 1.27 mm pitch SOIC footprint. Route MCLR with a short trace to its pull-up resistor to avoid false resets from noise; isolate analog traces (AN0-AN5, AVSS, AVDD) from PWM switching traces to reduce ADC noise coupling. For motor-control boards, place the MCU ground pin return path directly above the input shunt resistor ground to avoid ground bounce corrupting current-sense ADC readings.
Do not assume the 101 and 102 variants are interchangeable in firmware: PIC24FJ16MC101 has 0.5 KB RAM vs 1 KB on 102, and a reduced pin count peripheral map. Always verify the device ID register (DSU peripheral) before running code, and reserve the last page of program Flash for the device configuration registers. Do not enable the internal PLL until the system clock has stabilized — failure to wait 1 ms after clock switch can cause undefined behavior on PWM outputs.
اطلاعات انطباق
RoHS compliant per Microchip product page; industrial temperature grade is not AEC-Q100 qualified — choose PIC24FJ-Automotive variants for vehicle applications.
