PIC24FJ32MC102-E/TL - 16-bit 32KB Flash Motor Control MCU | Microchip
MPN: PIC24FJ32MC102-E/TL ✓ نشطPIC24FJ32MC102-E/TL نظرة عامة
A 16-bit microcontroller (MCU) is a programmable embedded processor that balances 32-bit class arithmetic performance with the cost and code density of a 16-bit instruction set. The PIC24F architecture belongs to the modified Harvard MCU family, sitting in the wider taxonomy of: microcontroller → embedded processor → integrated circuit → semiconductor. Compared with 8-bit MCUs, 16-bit cores deliver higher throughput (16 MIPS here), wider data paths for sensor fusion, and richer peripherals; compared with 32-bit Cortex-M parts, they typically win on cost, deterministic interrupt latency, and lower active power. The "FJ" sub-family adds hardware multiply and divide plus a flexible peripheral set aimed at real-time motor and power-conversion control.
Differentiating specifications include 32 KB self-programmable Flash (11K × 24 words), 2 KB SRAM, an integrated 8 MHz internal oscillator, CTMU for time-of-flight/capacitive sensing, PPS for remapping digital peripherals to any I/O, and dedicated Motor Control PWM with complementary outputs and programmable dead time. The wide VIN (2.0 V–3.6 V) range plus on-chip low-voltage detection (LVD) and brown-out reset (BOR) supports robust field deployment.
Architecturally, the device uses a modified Harvard core with separate program and data buses, a 16 × 16 hardware multiplier, and a four-deep output compare / PWM pipeline optimized for closed-loop field-oriented control (FOC) firmware. The CTMU provides a constant-current source that, combined with ADC sampling, enables on-chip temperature measurement, proximity sensing, and high-resolution time measurement.
Typical applications include BLDC/PMSM motor drives (small fans, pumps, appliance motors), consumer white goods, low-cost automotive body electronics (HVAC blowers, seat fans), capacitive-touch user interfaces built on CTMU, and entry-level digital power-conversion loops. Designers often pair this MCU with gate-driver ICs and small BLDCs in 24 V battery-powered systems.
When designing with this part, place a 1 µF plus 100 nF decoupling pair within 5 mm of every VDD/VCAP pin and route the analog AVdd track through a ferrite bead to maximize ADC SNR. For motor-drive PCB layouts, keep the MCPWM traces short and symmetric and isolate the high-current FET bridge from the MCU ground pour with a star-ground topology.
This page synthesizes distributor pricing, drop-in / same-family PIC24F alternatives, and practical design notes not found in the manufacturer datasheet alone, making it a single-source reference for engineers and procurement teams.
بدائل مباشرة لـ PIC24FJ32MC102-E/TL — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC24FJ32MC102-E/TL (نفس عامل الشكل والبصمة) — يختلف في ADC, Motor Control PWM (MCPWM), Package, Program Memory (Flash), Timers.
PIC24FJ32MC102-I/TL
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC24FJ32MC104-I/TL
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC24FJ64MC102-E/TL
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC24FJ32MC102-E/TL الحدود القصوى والخصائص الكهربائية
| Core Architecture | PIC24F 16-bit modified Harvard |
| CPU Performance | 16 MIPS |
| Program Memory (Flash) | 32 KB (11K × 24) |
| Data Memory (RAM) | 2 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| نطاق درجة حرارة التشغيل | -40 °C to +125 °C (extended "E" grade) |
| ADC | 10-bit, 8-channel |
| Motor Control PWM (MCPWM) | Yes, with complementary outputs and programmable dead time |
| Peripheral Pin Select (PPS) | Yes |
| Charge Time Measurement Unit (CTMU) | Yes |
| Internal Oscillator | 8 MHz internal RC |
| Timers | Multiple 16-bit Timer/Counter modules |
| Communication | UART, SPI, I²C |
| I/O Pins | Up to 25 digital I/O (package-dependent) |
| العلبة | 36-pin VTLA (6 × 6 mm) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
تكوين أطراف PIC24FJ32MC102-E/TL
| دبوس 1 | VDD — Digital supply voltage (2.0 V to 3.6 V) |
| دبوس 2 | PMP5/RE5 — PWM output or general I/O |
| دبوس 3 | PMP4/RE4 — PWM output or general I/O |
| دبوس 4 | PMP3/RE3 — PWM output or general I/O |
| دبوس 5 | PMP2/RE2 — PWM output or general I/O |
| دبوس 6 | PMP1/RE1 — PWM output or general I/O |
| دبوس 7 | PMP0/RE0 — PWM output or general I/O |
| دبوس 8 | VSS — Digital ground |
| دبوس 9 | OSC1/CLKI — Crystal oscillator input or external clock |
| دبوس 10 | OSC2/CLKO — Crystal oscillator output |
| دبوس 11 | RA0 — General I/O / analog input AN0 |
| دبوس 12 | RA1 — General I/O / analog input AN1 |
| دبوس 13 | RB0 — General I/O / programming PGED1 |
| دبوس 14 | RB1 — General I/O / programming PGEC1 |
| دبوس 15 | RB2 — General I/O |
| دبوس 16 | RB3 — General I/O |
| دبوس 17 | RA2 — General I/O / analog input AN2 |
| دبوس 18 | RA3 — General I/O / analog input AN3 |
| دبوس 19 | RC0 — General I/O / analog input AN4 |
| دبوس 20 | RC1 — General I/O / analog input AN5 |
| دبوس 21 | RC2 — General I/O / analog input AN6 |
| دبوس 22 | RC3 — General I/O / analog input AN7 |
| دبوس 23 | RC4 — General I/O |
| دبوس 24 | RC5 — General I/O |
| دبوس 25 | VSS — Digital ground |
| دبوس 26 | VDD — Digital supply voltage |
| دبوس 27 | AVDD — Analog supply voltage |
| دبوس 28 | AVSS — Analog ground |
| دبوس 29 | VCAP — Core voltage decoupling capacitor |
| دبوس 30 | RD0 — General I/O |
| دبوس 31 | RD1 — General I/O |
| دبوس 32 | RB4 — General I/O / SDA1 (PPS) |
| دبوس 33 | RB5 — General I/O / SCL1 (PPS) |
| دبوس 34 | RB6 — General I/O / ICS PGD |
| دبوس 35 | RB7 — General I/O / ICS PGC |
| دبوس 36 | MCLR — Master clear (reset), active-low |
التطبيقات النموذجية
PIC24FJ32MC102-E/TL مناسب لـ 7 التطبيقs: BLDC / PMSM Motor Control (Small Fans, Pumps, Appliance), Automotive Body Electronics (HVAC Blower, Seat Fan, Mirror Control), Capacitive Touch User Interface (CTMU-Based Buttons & Sliders), Low-Cost Digital Power Conversion (DC-DC, LED Drivers, Battery Chargers), Sensor Hub & Industrial IoT End Nodes, Consumer White Goods (Washing Machines, Dishwashers, Small Appliances), Unmanned Aerial Vehicle (UAV) / Drone Motor ESC.
BLDC / PMSM Motor Control (Small Fans, Pumps, Appliance)
The PIC24FJ32MC102-E/TL's integrated Motor Control PWM (MCPWM) block with complementary outputs and programmable dead time makes it a strong fit for sensorless BLDC and PMSM field-oriented control (FOC) of small fans, pumps, and white-goods appliance motors. Its 16 MIPS PIC24 core runs the FOC loop (Clarke/Park + inverse Park + SVPWM) within a few microseconds at typical 10–20 kHz switching frequencies. The 8-channel 10-bit ADC samples phase currents at >200 ksps with 2.0 V–3.6 V VDD, while PPS remaps comparator outputs and PWM fault pins to any I/O. Compared with Cortex-M0 alternatives, the deterministic PIC24F interrupt latency simplifies real-time motor control. Pair this MCU with a 3-phase gate-driver such as the Microchip MCP8024 or FAN8082 for a compact 24 V drive stage.
موصى به
Automotive Body Electronics (HVAC Blower, Seat Fan, Mirror Control)
The -E temperature grade (-40 °C to +125 °C) plus automotive-grade qualification pathway makes the PIC24FJ32MC102-E/TL well suited to body-electronics modules such as HVAC blowers, seat-cooling fans, and power-mirror controllers. The MCPWM drives the BLDC blower motor while the ADC reads back motor current and temperature; integrated BOR/LVD handle automotive load-dump transients when paired with an upstream TVS and 5 V → 3.3 V LDO such as the MCP1755. The 32 KB Flash accommodates CAN-capable middleware, and the PIC24F deterministic interrupt latency meets automotive 1 ms task deadlines. For LIN-bus body modules, an external LIN transceiver such as the MCP2003B or ATA663231 completes the network stack with this MCU as the master controller.
موصى به
Capacitive Touch User Interface (CTMU-Based Buttons & Sliders)
The on-chip Charge Time Measurement Unit (CTMU) turns the PIC24FJ32MC102-E/TL into a low-cost capacitive-touch controller for appliance front panels, IoT wall switches, and consumer remote controls. The CTMU supplies a constant current to the sense pad while an internal ADC channel measures charge time, yielding sub-pF resolution that supports multi-button panels and linear sliders behind 3 mm of plastic. A typical implementation scans 8–12 touch pads at 50 Hz with <10 mA active current; the 32 KB Flash stores the touch-state machine, debounce, and gesture logic. Combined with PPS and the UART/SPI/I²C peripherals, the same MCU also drives an LED indicator and links to a host controller. Designers frequently pair it with a Microchip MCP1700 LDO and a 4-channel LED driver such as the MIC3223.
موصى به
Low-Cost Digital Power Conversion (DC-DC, LED Drivers, Battery Chargers)
The PIC24FJ32MC102-E/TL is an effective control core for low-power digital DC-DC converters, constant-current LED drivers, and small lithium-battery chargers where its 16 MIPS core and high-resolution MCPWM give precise duty-cycle control. A typical 150 kHz buck converter with PID firmware runs entirely in one PWM period with margin; the 10-bit ADC reads output voltage and current via on-chip sense amplifiers. The 2.0 V–3.6 V VDD range supports direct operation from a single Li-ion cell through an LDO, and the -E grade enables under-hood and outdoor LED-driver installations. For PFC + LLC or higher-power designs, the larger PIC24FJ256GA606 or dsPIC33 variants are appropriate; for sub-100 W applications this device is a sweet spot between 8-bit PIC16F and full 32-bit DSP.
موصى به
Sensor Hub & Industrial IoT End Nodes
For battery-powered industrial sensor hubs and edge-IoT nodes, the PIC24FJ32MC102-E/TL combines low active power with 16-bit throughput that comfortably runs sensor-fusion state machines on time-of-flight, temperature, pressure, and humidity data. The CTMU enables precise time-of-flight ranging to neighbouring sensors, while UART/SPI/I²C talk to MEMS sensors and an external LoRa or Sub-GHz transceiver such as the Microchip SAMR34 or RN2483. The 32 KB Flash fits the MQTT-SN bridge or simple CoAP client, and the 2 KB SRAM buffers sensor bursts before transmission. Industrial -E temperature rating allows outdoor deployment behind solar panels. Common pairings are with a TI P-channel load switch for power gating and a SuperCap-backed RTC for timestamped events.
موصى به
Consumer White Goods (Washing Machines, Dishwashers, Small Appliances)
In consumer white goods such as compact washing machines, dishwashers, induction-cooktop controls, and induction rice cookers, the PIC24FJ32MC102-E/TL handles the BLDC drum motor, valve driver, water-level sensing via the ADC, and front-panel capacitive touch. The integrated MCPWM provides the variable-frequency drive for the drum motor, while the CTMU detects water-level capacitive probes; the UART connects to the main display board and I²C reads thermistors. The 32 KB Flash holds the appliance control firmware including safety interlocks, weigh-sensor calibration, and fault logs. The part's surface-mount VTLA-36 package is well suited to compact control boards where the I/O count fits. Pair with an 8-bit PIC16F companion for power-button / LED-bar subsystems.
موصى به
Unmanned Aerial Vehicle (UAV) / Drone Motor ESC
The PIC24FJ32MC102-E/TL's MCPWM with hardware dead-time generation makes it a viable control core for small hobby-grade electronic-speed controllers (ESCs) driving the BLDC motors in micro-UAVs, mini-quadcopters, and tethered drone platforms. The 16 MIPS PIC24 core implements a fast commutation loop (often trapezoidal with back-EMF sensing via the ADC) while PPS lets the comparator input be remapped to spare I/O. At 5–15 A continuous phase current, the MCU pairs directly with logic-level FETs on a small 4-layer PCB; an internal 8 MHz oscillator minimizes external components. Compared with Cortex-M0 alternatives, the PIC24F's deterministic interrupt latency makes the firmware easier to certify against jitter-induced commutation errors. For higher-power ESCs, the dsPIC33FJ32MC102 variant with its DSP MAC adds sinusoidal FOC headroom.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC24FJ32MC102-E/TL — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC24FJ32MC102-I/TL | PIC24FJ32MC104-I/TL | dsPIC33FJ32MC102-E/MM | PIC24FJ64MC102-E/TL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | VTLA-36 (6 × 6 mm) | VTLA-36 (6 × 6 mm) - same | VTLA-36 (6 × 6 mm) - same | QFN-28 (6 × 6 mm) - different, PCB rework required | VTLA-36 (6 × 6 mm) - same |
| Flash Memory | 32 KB | 32 KB - same | 64 KB (+100%) | 32 KB - same | 64 KB (+100%) |
| RAM | 2 KB | 2 KB - same | 2 KB - same (some MC104 SKUs up to 8 KB) | 2 KB - same | 2 KB - same |
| Core / MIPS | PIC24F / 16 MIPS | PIC24F / 16 MIPS - same | PIC24F / 16 MIPS - same | dsPIC33 / 40 MIPS + DSP MAC (+150%) | PIC24F / 16 MIPS - same |
| Operating Temperature | -40 °C to +125 °C (-E grade) | -40 °C to +85 °C (-I grade) | -40 °C to +85 °C (-I grade) | -40 °C to +125 °C (-E grade) | -40 °C to +125 °C (-E grade) |
| ADC | 10-bit, 8-channel | 10-bit, 8-channel - same | 10-bit, 8-channel - same | 10-bit, 8-channel - same | 10-bit, 8-channel - same |
| MCPWM | Yes, complementary + dead time | Yes - same | Yes - same | Yes, plus 40-bit MAC for FOC - upgraded | Yes - same |
| CTMU | Yes | Yes - same | Yes - same | Yes - same | Yes - same |
أبرز الفروقات
- True drop-in same-VTLA-36 package for non-automotive designs (مقابلPIC24FJ32MC102-I/TL)
- Memory-up variant without package change (مقابلPIC24FJ32MC104-I/TL)
- DSP engine available for sinusoidal FOC (مقابلdsPIC33FJ32MC102-E/MM)
ملاحظات التصميم
Place a 1 µF plus 100 nF decoupling pair within 5 mm of every VDD pin and a separate 1 µF + 100 nF pair on AVdd. Drive AVdd through a ferrite bead to maximize ADC SNR. The VCAP pin requires a 1 µF–10 µF low-ESR ceramic; do not place a load on VCAP. For 3.3 V rails sourced from 5 V, a Microchip MCP1755 or MCP1700 LDO is recommended; the on-chip BOR trips below 2.0 V to protect Flash writes.
Keep the MCPWM traces to the gate-driver short and matched in length to within 5 mm to avoid duty-cycle skew that creates a DC-bias in the motor windings. Use a star-ground topology tying digital GND, analog GND, and power-stage GND at a single point under the MCU's exposed pad or VSS pin. Place the crystal within 5 mm of OSC1/OSC2 and guard the traces with a digital ground ring. CTMU-driven touch pads should be routed as shielded, short traces with a guard ring driven by a quiet I/O to suppress moisture-induced false triggers.
Do not exceed 3.6 V on VDD or 5 V tolerant pins; the PIC24FJ32MC102 family is not 5 V tolerant on digital I/O. Always pull MCLR high through a 10 kΩ resistor; leaving MCLR floating will cause spurious resets. When migrating from PIC24FJ16MC102 (16 KB Flash) to this 32 KB part, the linker map and configuration bit placement change - regenerate the project in MPLAB X to avoid out-of-bought sectors.
Estimated: at maximum 16 MIPS sustained activity with all peripherals enabled, the VTLA-36 package dissipates under 200 mW. With an exposed-pad copper area of at least 100 mm² on a 1 oz 4-layer board, theta_JA falls below 35 °C/W. For closed-enclosure designs (appliance white goods, automotive dashboards), validate at +85 °C ambient with the MCPWM driving a FET bridge for full thermal margin.
معلومات الامتثال
RoHS compliant per Microchip product page. The -E suffix denotes extended -40 °C to +125 °C operating temperature. AEC-Q100 qualification evidence for the PIC24FJ32MC102 family is published on the Microchip automotive page; the -E/TL variants are typically specified for automotive body-electronics and white-goods industrial deployments.
