PIC24FJ16MC101-I/SO - 16-bit MCU, 16KB Flash, 20-SOIC Motor Control
MPN: PIC24FJ16MC101-I/SO ✓ Hoạt độngPIC24FJ16MC101-I/SO Tóm tắt
A 16-bit microcontroller (MCU) is a programmable processor that uses a 16-bit data path, instruction word, and address space, occupying the middle ground between 8-bit controllers and 32-bit Cortex-M parts. Within the broader taxonomy, MCUs sit at the bottom of the microcontroller hierarchy: PIC24F -> 16-bit MCU -> RISC microcontroller -> embedded processor -> semiconductor. The PIC24FJ16MC101 sits in the motor-control sub-family, optimized for BLDC, PMSM, and brushed/voice-coil applications by integrating high-resolution PWMs, quadrature encoder interfaces, and CTMU for capacitive-touch or current sensing.
Key features include a 17-bit single-cycle hardware multiplier by 16-bit hardware divider, C-compiler optimized instruction set, peripheral pin select (PPS) for flexible I/O routing, charge time measurement unit (CTMU), and multiple clock options including an 8 MHz internal oscillator with 4x PLL. The device also offers a modified Harvard architecture with separate program and data buses, providing deterministic interrupt response essential for closed-loop motor control.
Typical applications include sensorless BLDC motor drives, drone ESC controllers, small appliance motor control, ceiling fan controllers, and low-cost industrial pumps. The wide operating voltage range (typically 3.0V to 3.6V) and industrial -40C to +85C temperature range support industrial-grade environments.
When designing with this device, ensure decoupling capacitors are placed close to VDD/AVDD pins and that high-speed traces are kept short to avoid coupling noise into analog sections. PPS allows remapping of peripherals to different I/O pins, simplifying board layout.
This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a one-stop reference for selecting and sourcing the PIC24FJ16MC101-I/SO.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ16MC101-I/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 PIC24FJ16MC101-I/SO (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, ADC, Maximum CPU Speed, Operating Voltage.
PIC24FJ16MC101T-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ16MC102-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ32MC101-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32MC102-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16GA002-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16MC101-I/SO Tỷ lệ tối đa & tính chất điện
| Family | PIC24F |
| Core Architecture | 16-bit Modified Harvard RISC |
| Program Memory Type | Flash |
| Program Memory Size | 16 KB (5.5K x 24 words) |
| RAM | 1 KB |
| Maximum CPU Speed | 16 MIPS at 32 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +85 C |
| Operating Temperature Range Code | -I (Industrial) |
| Hộp | 20-pin SOIC (7.50 mm body width) |
| Kiểu lắp đặt | Surface Mount |
| Internal Oscillator | 8 MHz with 4x PLL option |
| Peripheral Pin Select (PPS) | Yes |
| Hardware Multiplier | 17-bit single-cycle |
| Hardware Divider | 16-bit |
| Motor Control Peripherals | MCPWM, CTMU, QEI |
| Cấp MSL | 1 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ16MC101-I/SO
| Chân 1 | MCLR — Master Clear (reset) input, active low |
| Chân 2 | RA0 — Port A bit 0 / analog input AN0 |
| Chân 3 | RA1 — Port A bit 1 / analog input AN1 |
| Chân 4 | RA2 — Port A bit 2 / analog input AN2 |
| Chân 5 | RA3 — Port A bit 3 / analog input AN3 |
| Chân 6 | RA4 — Port A bit 4 |
| Chân 7 | VDD — Positive supply voltage |
| Chân 8 | OSC1 — External crystal/clock input |
| Chân 9 | OSC2 — External crystal output |
| Chân 10 | RB0 — Port B bit 0 / PGED1 programming |
| Chân 11 | RB1 — Port B bit 1 / PGEC1 programming |
| Chân 12 | RB2 — Port B bit 2 |
| Chân 13 | RB3 — Port B bit 3 |
| Chân 14 | RB4 — Port B bit 4 / SDA1 I2C data |
| Chân 15 | RB5 — Port B bit 5 / SCL1 I2C clock |
| Chân 16 | RB6 — Port B bit 6 / ICSPCLK programming |
| Chân 17 | RB7 — Port B bit 7 / ICSPDAT programming |
| Chân 18 | RB8 — Port B bit 8 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | RA5 — Port A bit 5 |
Ứng dụng tiêu biểu
PIC24FJ16MC101-I/SO phù hợp cho 7 Áp dụngs: Sensorless BLDC Motor Control, Drone ESC (Electronic Speed Controller), Small Appliance Motor Control, Ceiling Fan and HVAC Blower Controller, Industrial Sensor-Interface Module, Battery-Powered RC Servo Controller, Educational and Hobby Motor-Control Learning Kit.
Sensorless BLDC Motor Control
The PIC24FJ16MC101-I/SO is purpose-built for sensorless brushless DC motor control. The integrated MCPWM module generates six-step commutation at up to 16 MIPS, while the 17-bit hardware multiplier enables BEMF zero-crossing detection and RPM calculation in real time. With 16 KB Flash / 1 KB RAM, the device fits a typical sensorless BLDC state-machine firmware without external memory. Its 8 MHz internal oscillator with 4x PLL eliminates an external crystal, reducing BOM cost for fans, pumps, and small drone ESCs. Compared with the PIC24FJ16GA002 family, the MC variant's MCPWM peripheral saves significant firmware cycles.
Được đề xuất
Drone ESC (Electronic Speed Controller)
Hobby and micro-drone ESC designs benefit from the PIC24FJ16MC101-I/SO's high-resolution PWM and CTMU for current sensing. The MCPWM peripheral can drive MOSFET gate drivers directly, while the 17-bit single-cycle hardware multiplier handles throttle curve, RPM limiting, and active braking algorithms at the 16 MIPS CPU throughput. The 20-SOIC surface-mount package suits high-density quadcopter ESC layouts, and the 3.0 V to 3.6 V VDD range matches single-cell LiPo post-regulator rails.
Được đề xuất
Small Appliance Motor Control
Mixers, blenders, vacuum-cleaner suction pumps, and HVAC blower controllers use the PIC24FJ16MC101-I/SO for cost-optimized variable-speed control. The CTMU peripheral enables touch-button start/stop without mechanical switches, while the QEI module reads optical encoders for closed-loop RPM regulation. The 16-bit MIPS throughput handles sensorless startup ramps reliably; PPS remaps PWM outputs to available I/O, simplifying PCB layout when multiple motor phase wires route near digital logic. The industrial -40 C to +85 C rating supports unheated appliance enclosures.
Được đề xuất
Ceiling Fan and HVAC Blower Controller
Variable-speed ceiling fans and HVAC blowers require reliable AC-line-derived low-voltage control, which the PIC24FJ16MC101-I/SO provides in a 20-SOIC industrial-grade package. The MCPWM module drives Triac or back-back IGBT power stages at line-frequency synchronized rates, while the hardware multiplier handles speed-tach feedback loops. The 16 MIPS throughput is sufficient for sinusoidal commutation profiles that reduce motor acoustic noise. The wide industrial temperature range and internal 8 MHz oscillator make this MCU attractive for ceiling fan remote-receiver and wall-controller applications.
Được đề xuất
Industrial Sensor-Interface Module
Field-mounted 4-20 mA loop-powered sensor heads and Modbus RTU modules use the PIC24FJ16MC101-I/SO for its combination of RS-232/RS-485 UART support, 12-bit ADC, and PPS-driven peripheral mapping. The 16 MIPS throughput enables Modbus message processing and CRC-16 calculation in real time. The 3.0 V to 3.6 V VDD range matches a 3.3 V LDO post-bridge-rectifier supply, and the industrial temperature grade supports outdoor enclosures. The 17-bit hardware multiplier accelerates float-to-fixed-point sensor linearization math.
Được đề xuất
Battery-Powered RC Servo Controller
Hobby RC servo controllers and robotics joint actuators use the PIC24FJ16MC101-I/SO to generate up to 16 simultaneous PWM channels for servo position control. The MCPWM peripherals deliver 50 Hz to 500 Hz servo PWM with microsecond resolution, while PPS routes timing-critical signals to specific I/O pins to keep PCB traces short. The 17-bit hardware multiplier enables forward-kinematics math for robotic arm controllers running 6+ servo channels. The 20-SOIC SMT footprint supports compact robotics PCB designs.
Được đề xuất
Educational and Hobby Motor-Control Learning Kit
University and maker-space motor-control curricula use the PIC24FJ16MC101-I/SO because the same 20-SOIC footprint is shared with the lower-cost PIC24FJ16GA002 and higher-density PIC24FJ32MC101 parts, enabling kit upgrades without PCB rework. The integrated MCPWM and QEI peripherals let students progress from open-loop six-step to closed-loop sensorless FOC within a single part family. The MPLAB X IDE, XC16 compiler, and Microchip's motor-control framework are all free, accelerating classroom adoption.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ16MC101-I/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 | PIC24FJ16MC101T-I/SO | PIC24FJ16MC102-I/SO | PIC24FJ32MC101-I/SO | PIC24FJ32MC102-I/SO | PIC24FJ16GA002-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SOIC | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB | 32 KB | 32 KB | 16 KB |
| RAM | 1 KB | 1 KB | 1 KB | 2 KB | 2 KB | 1 KB |
| Maximum CPU Speed | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz |
| Motor Control Peripherals (MCPWM/QEI/CTMU) | Yes | Yes | Yes | Yes | Yes | No - general-purpose only |
| Supply 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 | 2.0 V to 3.6 V |
| Operating Temperature Range | -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 |
| Approximate 1-piece Price (USD, as of 2026-09-29) | $3.20 | $3.20 | $3.30 | $3.60 | $3.70 | $3.05 |
Bảo phân biệt quan trọng
- Integrated motor-control peripherals (MCPWM + QEI + CTMU) on a 20-SOIC 16-bit MCU (vsPIC24FJ16GA002-I/SO)
- Drop-in upgradability to 32 KB Flash / 2 KB RAM in same 20-SOIC footprint (vsPIC24FJ16GA002-I/SO)
- Industrial -40 C to +85 C temperature range and 8 MHz internal oscillator (vsTMS320F28027FPTT (TI))
Ghi chú thiết kế
Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pin pair, plus a bulk 10 uF tantalum or ceramic on the 3.3 V rail. The PIC24FJ16MC101's analog and digital VDD pins may be tied together on a single 3.3 V regulator, but route analog and digital ground returns separately to avoid coupling PWM switching noise into ADC measurements. Run VDD from an LDO with at least 50 mA headroom for the 16 MIPS CPU plus peripheral current peaks.
Route the crystal traces (OSC1/OSC2) symmetrically with short, parallel traces and a grounded guard ring to prevent coupling from PWM outputs. Keep PWM traces short and away from analog signal paths; use 4-layer PCB with continuous ground plane if PWM switching currents exceed 500 mA. Place ICSP programming pins (PGED1/PGEC1 on RB0/RB1) on accessible test pads to allow in-circuit firmware updates without disassembly.
Do not exceed the absolute maximum 4.0 V on VDD or apply voltage to any pin before VDD is established; this can latch-up the PIC24F core. The MCLR pin must have a 10 kohm pull-up to VDD and a 100 nF cap to ground for in-circuit debug reliability. When configuring PPS, remember that some peripheral outputs are remapped but inputs must be assigned explicitly - refer to datasheet DS30009997, PPS section, before locking pin assignments.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC24FJ32MC101-E/SO (extended temp) or AEC-qualified dsPIC33 parts for automotive.
