PIC24FJ16MC102T-I/SS - 16-bit 16 MIPS 16KB Flash Motor Control MCU | Microchip
MPN: PIC24FJ16MC102T-I/SS ✓ Hoạt độngPIC24FJ16MC102T-I/SS Tóm tắt
What is a motor-control MCU? A motor-control microcontroller is a class of embedded processor optimized for driving brushed DC, brushless DC (BLDC), stepper, and switched reluctance motors. These MCUs integrate dedicated peripherals such as multi-channel PWM modules, high-resolution timers, fast ADCs for current sensing, and input-capture blocks for rotor position feedback. Motor-control MCUs sit inside the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC, and within Microchip's portfolio they form the PIC24F MC family, with the dsPIC33 family providing higher-performance DSP-extended variants.
Key features include a 6-channel 10-bit ADC for analog feedback, three 16-bit and one 32-bit timer/counter, a Charge Time Measurement Unit (CTMU) for capacitive touch or temperature sensing, Peripheral Pin Select (PPS) for flexible I/O mapping, and up to 21 general-purpose I/O pins. The integrated Motor Control PWM (MCPWM) module supports complementary outputs with programmable dead time, hardware fault input, and center-aligned or edge-aligned modes - all essential for safe half-bridge and full-bridge drive stages.
Typical applications include low-cost BLDC ceiling fans, small appliance pump controllers, drone ESCs, HVAC damper drivers, and low-voltage sensorless FOC platforms where the MCU must execute a real-time control loop in software. The 16 MIPS headroom and CTMU simplify sensor integration in space-constrained designs. Designers should budget Flash for a bootloader or field firmware updates, since 16 KB fills quickly when adding a full motor-control state machine.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ16MC102T-I/SS — 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 PIC24FJ16MC102T-I/SS (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Timers, Program Memory (Flash).
PIC24FJ16MC102-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16MC101-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32MC102-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16MC102T-E/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ16MC102T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16MC102T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16MC102T-I/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Maximum CPU Speed | 16 MIPS (32 MHz core clock) |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data SRAM | 1 KB |
| Hộp | 28-pin SSOP (5.30 mm body) |
| Operating Voltage (VDD) | 3.0 V to 5.5 V |
| Nhiệt độ hoạt động | -40 °C to +85 °C (industrial, 'I' suffix) |
| ADC | 10-bit, up to 6 channels |
| Timers | 3 x 16-bit + 1 x 32-bit |
| Motor Control PWM (MCPWM) | Yes, with complementary outputs and fault input |
| CTMU (Charge Time Measurement Unit) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| GPIO Pins | Up to 21 |
| Packaging Form | Tape & Reel ('T' suffix) |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 1 |
Cấu hình chân PIC24FJ16MC102T-I/SS
| Chân 1 | RA0 — Port A bit 0 / analog input / PPS-remappable |
| Chân 2 | RA1 — Port A bit 1 / analog input / PPS-remappable |
| Chân 3 | RA2 — Port A bit 2 / analog input / PPS-remappable |
| Chân 4 | RA3 — Port A bit 3 / analog input / PPS-remappable |
| Chân 5 | VDD — Positive supply voltage (3.0 V to 5.5 V) |
| Chân 6 | VSS — Ground reference |
| Chân 7 | OSCI — External oscillator input or NC if internal RC used |
| Chân 8 | OSCO — External oscillator output or NC if internal RC used |
| Chân 9 | RA4 — Port A bit 4 / analog input / PPS-remappable |
| Chân 10 | RA5 — Port A bit 5 / analog input / PPS-remappable |
| Chân 11 | RB0 — Port B bit 0 / programming clock / PPS-remappable |
| Chân 12 | RB1 — Port B bit 1 / programming data / PPS-remappable |
| Chân 13 | RB2 — Port B bit 2 / PPS-remappable |
| Chân 14 | RB3 — Port B bit 3 / PPS-remappable |
| Chân 15 | RA6 — Port A bit 6 / PPS-remappable |
| Chân 16 | RA7 — Port A bit 7 / PPS-remappable |
| Chân 17 | RB4 — Port B bit 4 / SDA1 / PPS-remappable |
| Chân 18 | RB5 — Port B bit 5 / SCL1 / PPS-remappable |
| Chân 19 | RB6 — Port B bit 6 / ICS PGC / PPS-remappable |
| Chân 20 | RB7 — Port B bit 7 / ICS PGD / PPS-remappable |
| Chân 21 | RC0 — Port C bit 0 / analog input / PPS-remappable |
| Chân 22 | RC1 — Port C bit 1 / analog input / PPS-remappable |
| Chân 23 | RC2 — Port C bit 2 / analog input / PPS-remappable |
| Chân 24 | RC3 — Port C bit 3 / analog input / PPS-remappable |
| Chân 25 | RC4 — Port C bit 4 / PPS-remappable |
| Chân 26 | RC5 — Port C bit 5 / PPS-remappable |
| Chân 27 | RC6 — Port C bit 6 / PPS-remappable |
| Chân 28 | RC7 — Port C bit 7 / PPS-remappable |
Ứng dụng tiêu biểu
PIC24FJ16MC102T-I/SS phù hợp cho 6 Áp dụngs: BLDC Ceiling Fan Controller, Small Appliance Pump Drive (Dishwasher / Washing Machine), Drone Electronic Speed Controller (ESC), HVAC Damper and Valve Actuator, Industrial Sensorless Blower, Low-Voltage Battery Tool Motor Control.
BLDC Ceiling Fan Controller
The PIC24FJ16MC102T-I/SS is well matched to BLDC ceiling fan controllers because its 16 MIPS core can execute sensorless trapezoidal commutation at switching frequencies up to 20 kHz while leaving headroom for user-interface code. The dedicated Motor Control PWM (MCPWM) peripheral generates complementary gate-drive signals with programmable dead time, eliminating external logic for half-bridge FET control. The 6-channel 10-bit ADC samples back-EMF zero-crossing signals to estimate rotor position without Hall sensors. Its SSOP-28 package fits inside the small can housing of modern low-profile ceiling fans, and the industrial -40C to +85C rating covers attic and tropical-climate installations.
Được đề xuất
Small Appliance Pump Drive (Dishwasher / Washing Machine)
For dishwasher wash pumps and washing-machine drain pumps, the PIC24FJ16MC102T-I/SS offers the right blend of motor-control peripherals and ruggedness. Its MCPWM supports fault-input shutdown that immediately disables outputs on over-current, protecting the power stage from stall conditions. The integrated CTMU enables water-level sensing or temperature monitoring without a separate analog front end, reducing BOM cost. With 16 KB Flash, firmware fits a basic sensorless BLDC or brushed-DC control algorithm plus fault logging. The 28-SSOP footprint allows hand-solder-friendly prototypes that survive the moisture and vibration of appliance deployment.
Được đề xuất
Drone Electronic Speed Controller (ESC)
Small drone ESCs benefit from the PIC24FJ16MC102T-I/SS's compact SSOP-28 package and 16 MIPS throughput, which is sufficient for 50-100 Hz update-rate FOC or trapezoidal commutation at high RPM. The 6-channel ADC provides current, voltage, and temperature telemetry in a single conversion sequence, while the 32-bit timer enables precise RPM measurement via input capture. PPS flexibility lets designers route PWM outputs to any pin for optimal PCB layout. For racing drones demanding sub-microsecond loop times, stepping up to a dsPIC33 is recommended; for toy-class quads, this part hits the BOM cost target.
Được đề xuất
HVAC Damper and Valve Actuator
In HVAC zoning dampers and thermostatic radiator valves, the PIC24FJ16MC102T-I/SS drives small brushed-DC or stepper gear-motors with its flexible PWM and timer resources. The CTMU enables touch-button user interfaces for thermostat-style products without external capacitance-sensing ICs. Operating from 3.0 V to 5.5 V, it can share the motor bus with proper filtering, simplifying power-tree design. The 1 KB SRAM accommodates small protocol stacks for Modbus or proprietary HVAC-bus links. Its industrial temperature rating ensures reliable operation above ceilings and in unheated plenums.
Được đề xuất
Industrial Sensorless Blower
Industrial blower fans used in server-room ventilation, welding fume extraction, and medical equipment demand continuous sensorless operation with high reliability. The PIC24FJ16MC102T-I/SS executes back-EMF zero-cross detection at 16 MIPS, easily handling commutation loops at 25 kHz PWM with margin for fault diagnostics. Hardware fault inputs protect against output short circuits, and the 10-bit ADC is sufficient for closed-loop speed control via PWM duty trim. The SSOP-28 package's 0.65 mm pitch keeps the board area compact inside blower housings, and its industrial temp range covers most indoor industrial environments.
Được đề xuất
Low-Voltage Battery Tool Motor Control
Cordless screwdrivers, drills, and garden tools running from 12-24 V Li-ion packs can use the PIC24FJ16MC102T-I/SS as the brushless control brain. Its 3.0 V minimum VDD allows direct connection to a regulated 3.3 V rail derived from the pack, while the MCPWM drives a three-phase FET bridge via gate drivers. The CTMU can measure pack temperature via an NTC, enabling thermal protection without extra analog circuitry. Battery-life targets benefit from the part's low-power sleep modes, and PPS flexibility simplifies routing on cramped tool-handle PCBs. Designers needing higher torque density FOC should consider dsPIC33 family upgrades.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ16MC102T-I/SS — 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 | PIC24FJ16MC102-I/SS | PIC24FJ16MC101-I/SS | PIC24FJ32MC102-I/SS | PIC24FJ16MC102T-E/SS | PIC24FJ16MC102T-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SOIC - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB | 16 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 2 KB | 1 KB | 1 KB |
| CTMU | Yes | Yes | No | Yes | Yes | Yes |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Max CPU Speed | 16 MIPS (32 MHz) | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS |
| Packaging Form | Tape & Reel | Tube | Tube | Tube | Tape & Reel | Tape & Reel |
Bảo phân biệt quan trọng
- Integrated Motor Control PWM (MCPWM) peripheral (vsGeneric PIC24FJ16GA004-I/PT)
- CTMU included on die (vsPIC24FJ16MC101-I/SS)
- Same 28-SSOP footprint across Flash options (vsPIC24FJ32MC102-I/SS)
Ghi chú thiết kế
Place a 10 µF bulk + 0.1 µF ceramic decoupling pair within 5 mm of the VDD and VSS pins to suppress switching transients from MCPWM-driven FET bridges. The PIC24FJ16MC102T-I/SS has an on-chip LDO that powers the core from VDD; noise on this rail couples into ADC measurements. For motor-control designs, separate analog and digital VDD planes with a ferrite bead to isolate the ADC reference from PWM switching noise. Estimated: at 16 MIPS full activity, VDD current is approximately 15-20 mA, so 1 oz copper pours of at least 10 mm² per supply pin are recommended.
The PIC24FJ16MC102T-I/SS SSOP-28 package has a thermal resistance (theta_JA) of approximately 80 °C/W. In a 25 °C ambient, the maximum continuous internal dissipation is roughly 1.5 W before hitting the 125 °C junction limit - far above the part's actual operating current, so thermal shutdown is rarely a concern. Still, place the device away from power-stage heat sinks and use copper pours under the SSOP-28 leads to spread heat. For outdoor enclosures with no airflow, derate VDD to 3.3 V to reduce internal dissipation.
Route MCPWM outputs as differential pairs (PWM1H/PWM1L) with a ground-reference trace between them to minimize switching noise coupling to analog inputs. Keep ADC traces short and avoid routing them under PWM traces. Use a 4-layer PCB with a dedicated ground plane for best ADC performance; on 2-layer boards, place a ground pour on the bottom layer under the MCU. Programming pins RB6 (PGC) and RB7 (PGD) require a 4.7kΩ pull-up on MCLR if In-Circuit Serial Programming is used.
Do not confuse the 'I' suffix (industrial -40 °C to +85 °C) with the 'E' suffix (extended -40 °C to +125 °C) - the temperature ranges differ and 'E' parts are typically higher priced. The 'T' suffix denotes Tape & Reel; production designs can request the tube-packaged variant (no 'T') for hand-assembly prototypes. Note that the PIC24FJ16MC101 and PIC24FJ16MC102 share the same datasheet but differ in CTMU and PPS availability; code that relies on CTMU will not run on the '101 variant.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - industrial temperature grade only. Lead-free and halogen-free per Microchip environmental certification. Conflict-minerals reporting available on Microchip website.
