PIC24FJ32MC101-E/SO - 16-bit 16 MIPS 32KB Flash MCU | Microchip
MPN: PIC24FJ32MC101-E/SO ✓ Hoạt độngPIC24FJ32MC101-E/SO Tóm tắt
A 16-bit MCU (microcontroller unit) is a single-chip computer that combines a 16-bit CPU core, on-chip Flash program store, SRAM data memory, and a rich set of digital and analog peripherals. Within Microchip's taxonomy, PIC24F devices sit between 8-bit PIC16/PIC18 parts and the higher-performance dsPIC33/PIC32 families, and the PIC24FJ32MC101/102 sub-family is specifically aimed at ultra-low-cost motor-control applications, adding Motor Control PWM (MCPWM) and the Configurable Logic Cell (CTMU) for touch and timing functions.
Key features include 16 MIPS performance from a 32 MHz internal oscillator, 6-channel MCPWM with independent time bases for sensorless BLDC or brushed DC drives, a 10-bit 1.1 Msps Analog-to-Digital Converter with up to 9 input channels, Peripheral Pin Select (PPS) for flexible I/O mapping, and 5V-tolerant I/O for mixed-signal boards. The 32 KB Flash stores both application code and bootloader image, while the 2 KB RAM supports small TCP/IP stacks, sensor-fusion buffers, or GUI command queues. The integrated Charge Time Measurement Unit (CTMU) enables capacitive touch, line-voltage zero-cross detection, and basic flow measurement.
Typical applications include ceiling-fan and pump motor controllers, low-power HVAC blower drives, e-bike and small-EV pedal-assist control, white-goods BLDC modules, and USB-powered sensor hubs where the 5V-tolerant pins simplify interfacing to legacy 5V peripherals. The wide 20-SOIC body keeps the part friendly for hand-rework, while the PPS-remappable peripherals let designers shrink the PCB by routing UART, SPI, or PWM to whichever physical pins are left over.
When designing with this device, plan for the 5V-tolerant digital I/O requirement and remember that the 10-bit ADC reference is shared with the I/O supply. A 100 nF decoupling capacitor within 5 mm of VDD is recommended, and an external 32.768 kHz crystal plus the RTCC peripheral support real-time-clock functionality on battery-backed designs.
This page consolidates distributor pricing, drop-in alternatives from Microchip's PIC24F family, and practical design guidance that goes beyond the device datasheet PDF, helping engineers select between PIC24F MC variants without re-reading a 300-page family reference manual.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ32MC101-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 PIC24FJ32MC101-E/SO (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core, Operating Voltage, ADC.
PIC24FJ16MC101-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32MC101T-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 →PIC24FJ32GA002-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ16GA002-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32MC101-E/SO Tỷ lệ tối đa & tính chất điện
| Series | PIC24FJ32MC101/102/104 |
| Core | PIC 16-bit |
| Program Memory | 32 KB Flash (11K x 24) |
| RAM | 2 KB |
| Maximum CPU Speed | 16 MIPS (32 MHz) |
| Operating Voltage | 3.3 V (2.0-3.6 V range) |
| Hộp | 20-SOIC (7.50 mm body width) |
| Số chân | 20 |
| Nhiệt độ hoạt động | -40C to +125C (E suffix - extended) |
| I/O Pins | Up to 15 (PPS-remappable) |
| ADC | 10-bit, 1.1 Msps, up to 9 channels |
| Motor Control PWM | 6 channels (MCPWM) |
| CTMU | Yes (Charge Time Measurement Unit) |
| Peripheral Pin Select | Yes (PPS) |
| I/O Tolerance | 5V-tolerant digital I/O |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 1 (unlimited) |
Cấu hình chân PIC24FJ32MC101-E/SO
| Chân 1 | RA0 — Digital I/O / analog input AN0 |
| Chân 2 | RA1 — Digital I/O / analog input AN1 / oscillator |
| Chân 3 | RA2 — Digital I/O / analog input AN2 |
| Chân 4 | RA3 — Digital I/O / analog input AN3 |
| Chân 5 | RA4 — Digital I/O / analog input AN4 |
| Chân 6 | VSS — Ground reference |
| Chân 7 | VDD — Positive supply (3.3 V nominal) |
| Chân 8 | OSCI/CLKI — External clock input or crystal connection |
| Chân 9 | OSCO/CLKO — External crystal connection or clock output |
| Chân 10 | MCLR — Master Clear (reset, active-low) |
| Chân 11 | RB0 — Digital I/O / programming pin |
| Chân 12 | RB1 — Digital I/O / programming pin |
| Chân 13 | RB2 — Digital I/O |
| Chân 14 | RB3 — Digital I/O |
| Chân 15 | RB4 — Digital I/O |
| Chân 16 | RB5 — Digital I/O |
| Chân 17 | RB6 — Digital I/O / ICSP programming clock |
| Chân 18 | RB7 — Digital I/O / ICSP programming data |
| Chân 19 | VSS — Ground reference |
| Chân 20 | AVDD — Analog positive supply (3.3 V) |
Ứng dụng tiêu biểu
PIC24FJ32MC101-E/SO phù hợp cho 7 Áp dụngs: BLDC Ceiling Fan Motor Controller, Small Pump / Water-Pump Control Board, E-Bike Pedal-Assist and Small-EV Controller, HVAC Blower and Fan Drive, White-Goods Brushless DC Modules, USB-Powered Sensor Hub, Industrial Brushed-DC Servo Drive.
BLDC Ceiling Fan Motor Controller
The PIC24FJ32MC101-E/SO's 6-channel MCPWM delivers the three-phase complementary PWMs needed for sensorless BLDC fan drives, while the 10-bit ADC samples back-EMF on three unused phases for rotor-position detection. The 16 MIPS core handles zero-cross commutation in software, and the 32 KB Flash stores speed-vs-RPM lookup tables and user-mode settings. The -40C to +125C extended temp range tolerates closed-fixture thermal rise.
Được đề xuất
Small Pump / Water-Pump Control Board
Submersible and surface pumps use the PIC24FJ32MC101-E/SO to drive a single-direction brushed-DC or 1-phase BLDC motor via MCPWM, with the CTMU measuring flow-sensor pulse widths or dry-run detection. The 5V-tolerant I/O simplifies connection to legacy water-level sensors running at 5 V, and PPS lets the same firmware route signals to different PCB pin assignments across product variants.
Được đề xuất
E-Bike Pedal-Assist and Small-EV Controller
E-bike torque-assist controllers use the PIC24FJ32MC101-E/SO to read pedal-cadence inputs and throttle through the ADC, then drive a 3-phase BLDC hub motor via MCPWM. The 2 KB RAM holds short cadence-history buffers, and PPS simplifies wiring across different connector pinouts. The wide SOIC-20 package survives vibration environments that would crack smaller QFN packages.
Được đề xuất
HVAC Blower and Fan Drive
In HVAC indoor units the PIC24FJ32MC101-E/SO modulates a blower BLDC fan for closed-loop air-volume control using MCPWM and back-EMF sensing via the 10-bit ADC. The CTMU can implement capacitive user-button inputs, eliminating mechanical switches, while the -E temp grade handles attic-plenum thermal stress. The 32 KB Flash is enough for unit-specific calibration tables.
Được đề xuất
White-Goods Brushless DC Modules
Washing-machine drum motors, dishwasher pumps, and refrigerator compressors use the PIC24FJ32MC101-E/SO for direct sensorless or Hall-sensored FOC commutation thanks to the 6-channel MCPWM and 32 MHz operation. The integrated CTMU supports capacitive water-level or soil-sensor readings, and the wide SOIC footprint supports hand-rework on white-goods service lines.
Được đề xuất
USB-Powered Sensor Hub
Beyond motor control, the PIC24FJ32MC101-E/SO works well as a low-cost USB-CDC sensor hub: 5V-tolerant I/O tolerates 5V USB-IO expanders, 16 MIPS runs a small command parser, and CTMU handles one-wire / capacitive probes. 32 KB Flash holds USB stack plus application code, and PPS lets one PCB layout serve multiple end-product variants.
Được đề xuất
Industrial Brushed-DC Servo Drive
Industrial conveyor rollers and valve actuators use the PIC24FJ32MC101-E/SO to drive H-bridge brushed-DC motors through the MCPWM in complementary mode, with quadrature-encoder feedback read through the Input Capture peripheral. The -E temp grade keeps the MCU inside IP65 enclosures where ambient can hit +85 C, and 32 KB Flash stores commissioning constants.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ32MC101-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 | PIC24FJ16MC101-I/SO | PIC24FJ32MC101T-I/SO | PIC24FJ32MC101-I/SO | PIC24FJ32GA002-I/SO | PIC24FJ16GA002-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SOIC (7.50 mm) | 20-SOIC (7.50 mm) - same | 20-SOIC (7.50 mm) - same | 20-SOIC (7.50 mm) - same | 20-SOIC (7.50 mm) - same | 20-SOIC (7.50 mm) - same |
| Flash | 32 KB | 16 KB | 32 KB | 32 KB | 32 KB | 16 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 8 KB | 4 KB |
| 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) |
| MCPWM Channels | 6 | 6 | 6 | 6 | 0 (no MCPWM) | 0 (no MCPWM) |
| CTMU | Yes | Yes | Yes | Yes | No | No |
| Temperature Grade | Extended (-40C to +125C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Unit Price (qty 1) | $3.42 | approx $2.95 | approx $3.42 (same die, T&R) | approx $3.20 | approx $3.05 | approx $2.85 |
Bảo phân biệt quan trọng
- Dedicated 6-channel Motor Control PWM peripheral (vsPIC24FJ32GA002-I/SO)
- CTMU capacitive-touch and timing block (vsPIC24FJ32GA002-I/SO)
- Extended -40C to +125C temperature grade (vsPIC24FJ32MC101-I/SO)
- Wide-body SOIC-20 for hand-rework and high-vibration use (vsPIC24FJ32MC101-I/ML (QFN package))
Ghi chú thiết kế
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin and a second 10 uF bulk capacitor at the board's power entry. The analog AVDD pin requires its own 100 nF decoupling cap tied to AVSS. Run both VSS and AVSS to a single ground star point to avoid ADC offset errors from ground bounce during MCPWM switching.
Keep analog input traces short and isolated from the MCPWM outputs and clock traces. Use a guard ring around sensitive ADC inputs (current-shunt amplifier outputs) and route the crystal traces to OSCI/OSCO with matched lengths and a ground plane beneath them. The 7.50 mm wide SOIC-20 body tolerates hand-soldering, but plan thermal relief on the copper pours to avoid lifted pads during rework.
Do not use the 5V-tolerant I/O to source 5V into the ADC reference pins - the ADC reference is tied to AVDD and operates only at 3.3V. PPS mapping must be unlocked before each change and re-locked after, otherwise unintended peripheral remapping can occur at startup. Always assert the MCLR pin through a 10 kohm pull-up and 100 nF cap to ground to avoid spurious resets on noisy motor-drive rails.
Estimated: At 32 MHz CPU clock and full MCPWM switching at 20 kHz, the average core current is 12 mA (typ) on VDD. Add a ferrite bead in series with the MCU's VDD pin when sharing a rail with gate-driver switching currents to prevent ground-shift ADC noise. Place the ICSP programming pins (RB6/RB7, MCLR) at the board edge with accessible test points for in-field firmware updates.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. AEC-Q100 qualified equivalent available under -VAO ordering code. Recommended for automotive design per Microchip's product family page.
