PIC24FJ16GA002-E/SO - 16-Bit MCU, 32MHz, 16KB Flash, 28-SOIC | Microchip
MPN: PIC24FJ16GA002-E/SO ✓ Hoạt độngPIC24FJ16GA002-E/SO Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ16GA002-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 PIC24FJ16GA002-E/SO (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, Package, Core Architecture, Timers.
PIC24FJ16GA002-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GA002-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA002-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16GA002-E/SO Tỷ lệ tối đa & tính chất điện
| 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 |
| Nhiệt độ hoạt động | -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 |
| Hộp | 28-SOIC (SO) |
| Kiểu lắp đặt | Surface Mount |
| Số chân | 28 |
| Cấp MSL | 1 |
| Trạng thái RoHS | Compliant |
| Programming Interface | ICSP, JTAG |
Cấu hình chân PIC24FJ16GA002-E/SO
| Chân 1 | MCLR — Master Clear (Reset) input |
| Chân 2 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Chân 3 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Chân 4 | RA2/AN2/VREF- — Port A bit 2 / Analog input 2 / VREF- |
| Chân 5 | RA3/AN3/VREF+ — Port A bit 3 / Analog input 3 / VREF+ |
| Chân 6 | RA4/AN4 — Port A bit 4 / Analog input 4 |
| Chân 7 | RA5/AN5 — Port A bit 5 / Analog input 5 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI/RA7 — Crystal oscillator input |
| Chân 10 | OSC2/CLKO/RA8 — Crystal oscillator output |
| Chân 11 | RB0/PGED1 — Port B bit 0 / Programming data |
| Chân 12 | RB1/PGEC1 — Port B bit 1 / Programming clock |
| Chân 13 | RB2/AN8 — Port B bit 2 / Analog input 8 |
| Chân 14 | RB3/AN9 — Port B bit 3 / Analog input 9 |
| Chân 15 | RB4/AN10 — Port B bit 4 / Analog input 10 |
| Chân 16 | RB5/AN11 — Port B bit 5 / Analog input 11 |
| Chân 17 | RB6/AN12/PGC2 — Port B bit 6 / Analog input 12 |
| Chân 18 | RB7/AN13/PGD2 — Port B bit 7 / Analog input 13 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage |
| Chân 21 | RC0 — Port C bit 0 |
| Chân 22 | RC1 — Port C bit 1 |
| Chân 23 | RC2 — Port C bit 2 |
| Chân 24 | RC3 — Port C bit 3 |
| Chân 25 | RC4 — Port C bit 4 |
| Chân 26 | RC5 — Port C bit 5 |
| Chân 27 | RC6 — Port C bit 6 |
| Chân 28 | RC7 — Port C bit 7 |
Ứng dụng tiêu biểu
PIC24FJ16GA002-E/SO phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ16GA002-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 | 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 |
Bảo phân biệt quan trọng
- Extended -40C to +125C operating range (vsPIC24FJ16GA002-I/SO)
- Memory headroom for firmware growth (vsPIC24FJ16GA002-I/SO)
- Family-wide pin compatibility (vsPIC24FJ16GA002-E/ML (QFN))
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
