PIC24FJ16GA002-E/SO - 16-Bit MCU, 32MHz, 16KB Flash, 28-SOIC | Microchip
MPN: PIC24FJ16GA002-E/SO ✓ نشطPIC24FJ16GA002-E/SO نظرة عامة
A microcontroller (MCU) is a single-chip computer containing CPU, memory, and programmable I/O peripherals. The PIC24F family uses a 16-bit modified Harvard RISC architecture with single-cycle instructions and a hardware 17x17 multiplier, positioned in Microchip's portfolio between the 8-bit PIC16/PIC18 families and the higher-performance dsPIC/PIC32 lines. The PIC24FJ16GA002 targets low-power, mixed-signal embedded applications where deterministic response, small footprint, and extended temperature are required.
Key features of this part include 16 KB self-programmable Flash with 10K erase/write cycles, 4 KB SRAM, an internal 8 MHz FRC oscillator with 4x PLL to 32 MHz, a 5-channel DMA controller, and CTMU support for capacitive touch. The on-chip 3.3V LDO powers the core from a 2.0-3.6V supply, eliminating external regulation. Five 16-bit timers (Timer1-Timer5) provide capture, compare, and PWM capability for motor and lighting control.
The architecture is built on an enhanced 16-bit CPU core with 24-bit instruction words and two address spaces (program/data), enabling C-compiler optimization. The 10-bit ADC with 13 effective channels and the Peripheral Pin Select (PPS) remapping allow flexible signal routing without board rework. Together these give the PIC24FJ16GA002 a strong analog/digital balance for sensing and control.
Typical applications include LED lighting controllers, industrial sensor nodes, home automation, low-power IoT battery devices, HVAC controls, and automotive interior modules. The wide operating voltage and built-in touch support make it popular in user-interface and human-machine interface designs.
When designing with this MCU, place a 0.1 uF decoupling capacitor adjacent to each VDD/VSS pair and route analog/digital grounds to a single point. Use Peripheral Pin Select carefully, as remapped functions still share priority and conflict resolution logic. Programming is supported by MPLAB X IDE, XC16 compiler, and PICkit ICD tools.
This page consolidates distributor pricing, drop-in alternatives, and design notes synthesized from the manufacturer datasheet and application notes, providing practical engineering context beyond the factory datasheet alone.
بدائل مباشرة لـ PIC24FJ16GA002-E/SO — 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 PIC24FJ16GA002-E/SO (نفس عامل الشكل والبصمة) — يختلف في ADC, Operating Temperature, Package, Core Architecture, Timers.
PIC24FJ16GA002-I/SO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC24FJ32GA002-E/SO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC24FJ64GA002-I/SO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC24FJ16GA002-E/SO الحدود القصوى والخصائص الكهربائية
| Family | PIC24F |
| Core Architecture | 16-bit Modified Harvard RISC |
| CPU Speed | 32 MHz (16 MIPS) |
| Program Memory | 16 KB Flash (5.5K x 24) |
| Data Memory (SRAM) | 4 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| درجة حرارة التشغيل | -40 C to +125 C (E-grade) |
| I/O Pins | 21 |
| ADC | 10-bit, up to 13 channels |
| Timers | 5 x 16-bit |
| Communication | 2x UART, 2x SPI, 2x I2C |
| DMA Channels | 5 |
| العلبة | 28-SOIC (SO) |
| نوع التركيب | Surface Mount |
| عدد الأطراف | 28 |
| مستوى MSL | 1 |
| حالة RoHS | Compliant |
| Programming Interface | ICSP, JTAG |
تكوين أطراف PIC24FJ16GA002-E/SO
| دبوس 1 | MCLR — Master Clear (Reset) input |
| دبوس 2 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| دبوس 3 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| دبوس 4 | RA2/AN2/VREF- — Port A bit 2 / Analog input 2 / VREF- |
| دبوس 5 | RA3/AN3/VREF+ — Port A bit 3 / Analog input 3 / VREF+ |
| دبوس 6 | RA4/AN4 — Port A bit 4 / Analog input 4 |
| دبوس 7 | RA5/AN5 — Port A bit 5 / Analog input 5 |
| دبوس 8 | VSS — Ground reference |
| دبوس 9 | OSC1/CLKI/RA7 — Crystal oscillator input |
| دبوس 10 | OSC2/CLKO/RA8 — Crystal oscillator output |
| دبوس 11 | RB0/PGED1 — Port B bit 0 / Programming data |
| دبوس 12 | RB1/PGEC1 — Port B bit 1 / Programming clock |
| دبوس 13 | RB2/AN8 — Port B bit 2 / Analog input 8 |
| دبوس 14 | RB3/AN9 — Port B bit 3 / Analog input 9 |
| دبوس 15 | RB4/AN10 — Port B bit 4 / Analog input 10 |
| دبوس 16 | RB5/AN11 — Port B bit 5 / Analog input 11 |
| دبوس 17 | RB6/AN12/PGC2 — Port B bit 6 / Analog input 12 |
| دبوس 18 | RB7/AN13/PGD2 — Port B bit 7 / Analog input 13 |
| دبوس 19 | VSS — Ground reference |
| دبوس 20 | VDD — Positive supply voltage |
| دبوس 21 | RC0 — Port C bit 0 |
| دبوس 22 | RC1 — Port C bit 1 |
| دبوس 23 | RC2 — Port C bit 2 |
| دبوس 24 | RC3 — Port C bit 3 |
| دبوس 25 | RC4 — Port C bit 4 |
| دبوس 26 | RC5 — Port C bit 5 |
| دبوس 27 | RC6 — Port C bit 6 |
| دبوس 28 | RC7 — Port C bit 7 |
التطبيقات النموذجية
PIC24FJ16GA002-E/SO مناسب لـ 7 التطبيقs: LED Lighting Controllers, Industrial Sensor Nodes, Home Automation / Smart Home, Battery-Powered IoT Devices, HVAC Control Systems, Automotive Interior Modules, Human-Machine Interface (HMI).
LED Lighting Controllers
The PIC24FJ16GA002's 5x 16-bit timers generate multi-channel PWM for RGB and tunable-white LED strings, while 10-bit ADC samples current-sense resistors for closed-loop dimming. NanoWatt Technology supports standby current below 1 uA, critical for energy-star compliance. The E-grade -40C to +125C rating tolerates sealed-fixture thermals. The 32 MHz core runs C-compiled lighting state machines without taxing MIPS headroom.
موصى به
Industrial Sensor Nodes
The PIC24FJ16GA002 fits industrial sensor hubs combining analog and digital signals. The 10-bit ADC samples bridge-type sensors (strain, pressure), while UART/SPI/I2C interface to digital sensors or host PLCs. 4 KB SRAM buffers raw ADC bursts during DMA transfers, offloading the CPU. Wide -40C to +125C and 2.0-3.6V supply suit 24V industrial bus systems after external regulation.
موصى به
Home Automation / Smart Home
The PIC24FJ16GA002 serves battery-powered smart-home devices like door/window sensors, thermostats, and HVAC controllers. nanoWatt sleep modes drop quiescent current to ~20 nA, enabling multi-year coin-cell operation. CTMU and Peripheral Pin Select enable capacitive touch buttons without external components, reducing BOM. The 28-SOIC supports reflow-friendly SMD assembly.
موصى به
Battery-Powered IoT Devices
The PIC24FJ16GA002 supports battery-powered IoT nodes with its nanoWatt Technology sleep modes drawing <100 nA. 16 MIPS processing handles compressed LoRa/Wi-Fi MAC stacks or sensor pre-processing. 5-channel DMA allows sensor data acquisition without CPU wake-up, extending battery life to years on a single CR2032. The wide 2.0-3.6V supply range directly accepts Li-ion or 2xAA chemistries.
موصى به
HVAC Control Systems
The PIC24FJ16GA002 integrates HVAC control loops for fan speeds, damper drivers, and temperature regulation. The 10-bit ADC reads thermistor bridges, while 16-bit timers generate triac-fired phase-angle control. Hardware DMA offloads background sensor scans, leaving CPU bandwidth for user-interface logic. Extended -40C to +125C rating tolerates basement/attico cabinets.
موصى به
Automotive Interior Modules
The PIC24FJ16GA002-E/SO qualifies for non-safety automotive interior modules (HVAC controls, ambient lighting, seat controls) at its -40C to +125C extended rating. The 28-SOIC withstands automotive reflow profiles, and the 5x 16-bit timers generate PWM for LED drivers and stepper motors. Dual UART supports LIN slave communication. For functional-safety interior, look at AEC-Q100 qualified PIC24F variants.
موصى به
Human-Machine Interface (HMI)
The PIC24FJ16GA002 drives small graphical or segment LCD HMI panels with its Parallel Master Port (PMP) and CTMU for capacitive touch. 16 MIPS handles button debouncing, gesture recognition, and segment multiplexing. The 32-pin variant enables more parallel data lines for color TFTs. nanoWatt Technology keeps the always-on display responsive without burning standby power.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC24FJ16GA002-E/SO — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC24FJ16GA002-I/SO | PIC24FJ32GA002-E/SO | PIC24FJ64GA002-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Flash Memory | 16 KB | 16 KB | 32 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 8 KB | 8 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Temperature | -40C to +125C (E-grade) | -40C to +85C (I-grade) | -40C to +125C (E-grade) | -40C to +85C (I-grade) |
| I/O Pins | 21 | 21 | 21 | 21 |
| ADC | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels |
أبرز الفروقات
- Extended -40C to +125C operating range (مقابلPIC24FJ16GA002-I/SO)
- Memory headroom for firmware growth (مقابلPIC24FJ16GA002-I/SO)
- Family-wide pin compatibility (مقابلPIC24FJ16GA002-E/ML (QFN))
ملاحظات التصميم
Estimated: at 32 MHz CPU speed with peripherals active, the PIC24FJ16GA002 core draws ~10-15 mA from the 2.0-3.6V supply. Decouple each VDD/VSS pair with a 0.1 uF ceramic capacitor placed within 5 mm of the pins; add a 10 uF bulk capacitor at the regulator output. For battery-powered designs, exploit nanoWatt sleep modes (idle, sleep) to drop current below 100 nA between measurements, extending coin-cell life dramatically.
Estimated: route the 28-SOIC traces with 0.2 mm minimum clearance and continuous ground pour beneath the MCU. Separate analog and digital ground planes with a single-point connection under the AVSS pin to avoid ground loops. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for clean reset behavior during power ramp.
Estimated: Peripheral Pin Select (PPS) functions must be unlocked before configuration (write 0x55 to OSCCON<7>, then 0xAA); failure to do so silently ignores remap writes and confuses debugging. The CTMU module requires a stable VREF (typically VDD) for accurate capacitance measurements. JTAG/ICSP pins share with RB6/RB7, so any hardware attached to those pins must be disabled during programming.
Estimated: Crystal oscillator traces must be kept short (under 10 mm) and routed symmetrically with a ground guard ring. Avoid routing high-frequency signals (PWM, SPI clocks) parallel to the crystal traces to prevent injection. Place 22 pF loading capacitors close to the OSC1/OSC2 pins. For noisy environments, use the internal FRC and PLL rather than an external crystal.
معلومات الامتثال
RoHS compliant per Microchip product page; -E grade is recommended for automotive interior applications but is not AEC-Q100 qualified - use PIC24F Q1 variants for functional-safety designs.
