PIC24F16KL402-I/SO - 16-bit XLP MCU 32MHz 16KB Flash 28-SOIC | Microchip
MPN: PIC24F16KL402-I/SO ✓ Hoạt độngPIC24F16KL402-I/SO Tóm tắt
A 16-bit microcontroller (MCU) is a programmable computing engine with a 16-bit data path, instruction set, internal buses, and registers. Within the broader MCU hierarchy, the PIC24F16KL402 belongs to the 16-bit MCU category, sitting above 8-bit MCUs (e.g., PIC16) in performance and below 32-bit Cortex-M/MIPS cores in computational throughput. It uses a modified Harvard layout, persistent SRAM, and a RISC-style instruction set with hardware MAC support for DSP-like operations.
Key features include 16KB Flash (5.5K x 24 instruction words), 1KB RAM, a 10-bit ADC, dual I2C/SPI (MSSP) peripherals, CCP/ECCP, multiple timers, and 25 I/O pins on the 28-SOIC variant. Typical run-mode current is 150 uA/MHz at 1.8V, with deep Sleep currents in the nanoamp range thanks to nanoWatt XLP technology.
The PIC24F16KL402 architecture integrates a wide operating voltage range (1.8V-3.6V), internal oscillator options, a configurable RTCC, and a 16-bit-wide data path. Its hardware multiplier and DSP-friendly instructions enable efficient signal processing while keeping code size compact - the 16 KB Flash translates to roughly 5.5K single-word instructions.
Typical applications include portable consumer devices (media players, electronic toys, cell phone accessories), low-cost medical disposables (testers, inhalers), safety/security peripherals, sensor signal conditioning, and battery-powered IoT nodes where every nanosecond down matters.
When using this part, match the 28-SOIC footprint carefully; the PIC24F "KL" family ships in 14/20/28-pin variants with different pinouts. Verify peripheral mapping and voltage rails against your design, and use MPLAB X IDE with the XC16 compiler to leverage the DSP library and XLP-aware PMD bits.
This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24F16KL402-I/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 PIC24F16KL402-I/SO (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Program Memory (Flash), ADC, I/O Pins.
PIC24F16KL402-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KL402-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KL402-E/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KL401-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KL401-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KL401T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KL401-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KA102-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KL402-I/SO Tỷ lệ tối đa & tính chất điện
| Series | PIC XLP 24F |
| Core Processor | PIC |
| Core Size | 16-Bit |
| Maximum CPU Speed | 32 MHz |
| Program Memory Size | 16 KB (5.5K x 24 instructions) Flash |
| RAM Size | 1 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 25 (on 28-pin variants) |
| ADC | 10-bit |
| Communication Interfaces | I2C, SPI (MSSP), UART |
| Peripherals | CCP/ECCP, Timers, RTCC, PWM |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 28-SOIC (0.295", 7.50 mm width) |
| Kiểu lắp đặt | Surface Mount |
| Low Power Technology | nanoWatt XLP |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24F16KL402-I/SO
| Chân 1 | RA0 — Digital I/O / analog AN0 / ICSPDAT |
| Chân 2 | RA1 — Digital I/O / analog AN1 / ICSPCLK |
| Chân 3 | RA2 — Digital I/O / analog AN2 |
| Chân 4 | RA3 — Digital I/O / analog AN3 / VREF+ |
| Chân 5 | RA4 — Digital I/O / analog AN4 |
| Chân 6 | RA5 — Digital I/O / analog AN5 / VREF- |
| Chân 7 | RA6 — Digital I/O / oscillator |
| Chân 8 | RA7 — Digital I/O / oscillator |
| Chân 9 | VDD — Positive supply (1.8V-3.6V) |
| Chân 10 | VSS — Ground |
| Chân 11 | RB0 — Digital I/O / interrupt |
| Chân 12 | RB1 — Digital I/O |
| 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 / ICSPCLK |
| Chân 18 | RB7 — Digital I/O / ICSPDAT |
| Chân 19 | RB8 — Digital I/O |
| Chân 20 | RB9 — Digital I/O |
| Chân 21 | RB10 — Digital I/O |
| Chân 22 | RB11 — Digital I/O |
| Chân 23 | RB12 — Digital I/O |
| Chân 24 | RB13 — Digital I/O |
| Chân 25 | RB14 — Digital I/O |
| Chân 26 | RB15 — Digital I/O |
| Chân 27 | AVDD — Analog positive supply |
| Chân 28 | AVSS — Analog ground |
Ứng dụng tiêu biểu
PIC24F16KL402-I/SO phù hợp cho 7 Áp dụngs: Battery-Powered IoT Sensor Node, Portable Medical Disposables (Testers, Inhalers), Consumer Electronic Toys and Games, Safety and Security Peripherals, Industrial Sensor Signal Conditioning, Portable GPS / Media Accessories, Portable Sports and Wearable Gear.
Battery-Powered IoT Sensor Node
The PIC24F16KL402-I/SO fits battery-powered IoT sensor nodes because its nanoWatt XLP technology delivers 150 uA/MHz run-mode current at 1.8V and nanoamp-class Sleep currents, enabling coin-cell lifetimes of 5-10 years for periodic sensing. The 16-bit 32 MHz core provides enough MIPS to run a LoRaWAN or BLE stack on top of sensor signal conditioning, while 16KB Flash fits typical node protocols with headroom. Place the part on a 28-SOIC footprint with a CR2032 or 2x AAA supply; Deep Sleep is achieved by gating the I2C/SPI MSSP bus and using RTCC wake-ups. Verify that the 1.8V minimum supports the active LO-RF or BLE radio rail (most require 1.8V or above) and budget Sleep current of 180 nA typical. For sleep-current measurements, use the source current monitor pin or ammeter to validate design against the nanoWatt XLP datasheet figure.
Được đề xuất
Portable Medical Disposables (Testers, Inhalers)
The PIC24F16KL402-I/SO is ideal for portable medical disposables such as disposable spirometers, inhalers, and rapid testers, where low cost, low power, and reliable 16-bit computation matter. The 1.8-3.6V supply supports a single CR2032 or a single alkaline cell. The 10-bit ADC addresses low-resolution peak-flow or simple colorimetric sensor readouts; for finer ADC resolution, external TI/ADI amplifiers may be added. The MSSP (I2C/SPI) connects to an EEPROM for calibration data and a small OLED for user feedback. Verify the design -40C/+85C operating range covers the disposable product domain. The XLP from a CR2032 (220 mAh) can support a 30-day daily-use disposable inhaler or tester, given nanoWatt XLP Sleep current in the 100-300 nA range.
Được đề xuất
Consumer Electronic Toys and Games
The PIC24F16KL402-I/SO fits consumer electronic toys and games that require LED/animation effects, sound playback, and capacitive touch or button inputs. Its 16-bit core at 32 MHz handles LED PWM (via CCP/ECCP) and simple audio sampling via MSSP-SPI to a PWM speaker. Charge-eXP pulse-width-modulated LED control addresses engine-driven visual effects; consume-eXP cycles power via Sleep mode for battery-saving idle states. Place on a 28-SOIC footprint alongside a coin-cell or Li-Po battery; Deep Sleep is achieved by gating the audio amplifier and using RTCC or button interrupt to wake in early wake-up. For sound outputs, MSSP-SPI to a small 4-bit DAC, plus I2C for keypad scan, matches the typical toy architecture. Verify pin compatibility for capacitive touch via ICSP-capable pins (RA0, RA1).
Được đề xuất
Safety and Security Peripherals
The PIC24F16KL402-I/SO fits safety and security peripherals such as PIR motion sensors, glass-break detectors, and door/window contact sensors that must run for years on a single battery. The nanoWatt XLP technology enables 5-7 year operation on a single CR123A or CR2 cell, given typical duty-cycle of 1% or less. The MSSP interfaces to a low-power RF transceiver (e.g., sub-GHz or proprietary 433/868 MHz) for alarm reporting, while a 10-bit ADC samples the PIR or sensor analog front-end. CCP/ECCP can drive a small piezo buzzer for local alarm feedback. Place on a 28-SOIC footprint in a compact SMD module. For low-cost secure modes, the security mode (BOR, watchdog) ensures the design is field-reliable and tamper-resistant. Verify the -40C/+85C operating range covers the security sensor environment (typically indoor -10C to +50C).
Được đề xuất
Industrial Sensor Signal Conditioning
The PIC24F16KL402-I/SO fits industrial sensor signal conditioning modules that need 16-bit computation, low power, and reliable UART/I2C/SPI links to a host PLC or sensor hub. The 32 MHz core processes DSP-friendly instructions for filtering (FIR/IIR), while the 10-bit ADC samples analog sensors with a -40C/+85C operating range covering industrial environments. Verify the 1.8V minimum does not constrain 4-20 mA loop-powered designs (typically 12V+ supply, regulated to 3.3V). The MSSP interfaces to RS485 transceivers for Modbus RTU over RS485 link, while the RTCC timestamps sensor data. Place on a 28-SOIC footprint with isolation barriers (digital isolators) for industrial bus designs. For EMC-robust industrial designs, the MSSP clock rate budget must respect the sensor data rate (often 4.8-115.2 kbaud), and the BOR/Watchdog ensures field reliability.
Được đề xuất
Portable GPS / Media Accessories
The PIC24F16KL402-I/SO fits portable GPS and media accessories such as portable GPS receivers, cell phone accessories, and portable media players that require 16-bit MCU control, low power, and battery-friendly operation. The 32 MHz core and 16KB Flash fit small protocol stacks (e.g., NMEA parsing, simple media control via UART to a BT module). Place on a 28-SOIC footprint with a Li-Po battery and a boost/charger IC. For media player designs, the 10-bit ADC can read battery voltage and audio levels, while the MSSP (I2C) connects to a small OLED display and the UART connects to a BT module. Verify that the -40C/+85C operating range covers the portable device environment, and that the I/O count is sufficient for media control buttons (play/pause/volume/power button). The CCP/ECCP outputs can also drive small LED indicators.
Được đề xuất
Portable Sports and Wearable Gear
The PIC24F16KL402-I/SO fits portable sports gear, fitness bands, and wearable designs that run for months on a coin cell while sampling motion sensors (e.g., 3-axis accelerometers) and reporting activity. The MSSP (I2C/SPI) interfaces to motion sensors (e.g., LIS3DH, ADXL345) over a 400 kHz I2C bus, and the 10-bit ADC samples battery voltage or simple analog sensors. The CCP/ECCP can drive a small vibration motor for haptic feedback, and RTCC wakes the device for periodic sampling. Place on a 28-SOIC footprint with a CR2032 cell; the nanoWatt XLP technology enables 6-12 month battery life for typical fitness band duty cycles (1-5% active time). Verify that the operating temperature covers the wearable use case (typically 0C to 40C for skin-contact devices). For sleep-current validation, use the nanoWatt XLP datasheet figure for the specific Sleep mode used (Sleep, Deep Sleep).
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F16KL402-I/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 | PIC24F16KL402-I/ML | PIC24F16KL402-E/SO | PIC24F16KL401-I/SO | PIC24F16KA102-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (0.295") | 28-QFN-SOIC (6x6 mm) | 28-SOIC (0.295") | 28-SOIC (0.295") | 28-SOIC (0.295") |
| Program Memory | 16 KB | 16 KB | 16 KB | 8 KB | 16 KB |
| RAM Size | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Operating Voltage | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP (older generation) |
Bảo phân biệt quan trọng
- Same silicon die, narrower 28-QFN-SOIC package option (vsPIC24F16KL402-I/ML)
- Extended temperature grade option available (vsPIC24F16KL402-E/SO)
- Half Flash density option for cost-optimized designs (vsPIC24F16KL401-I/SO)
Ghi chú thiết kế
The PIC24F16KL402-I/SO requires a clean 1.8V-3.6V supply with low ripple for reliable nanoWatt XLP Sleep behavior. Place a 100 nF decoupling capacitor close to each VDD/VSS pair (digital pins 9, 10, 27, 28), and a bulk 1-10 uF ceramic on the main VDD rail. Avoid high-ESR electrolytics on the analog AVdd pin - use a 100 nF ceramic to prevent ADC sample glitches. For battery-powered designs, add a small (1 MOhm) external pull-up on MCLR to ensure clean Reset behavior across all Sleep modes.
Use a 4-layer PCB for industrial or motor-control designs; route analog traces (AN0-AN13) away from digital switching lines. Place the 28-SOIC footprint with pin-1 marker on the top-left per JEDEC SO-28 conventions. Keep I2C/SPI traces short (<5 cm) and use 4.7 kOhm pull-ups on SDA/SCL for 400 kHz Fast-mode operation. For RTCC crystal placement, use a guard ring and place the 32.768 kHz crystal close to the SOSC pins with short symmetric traces for accurate timekeeping.
Do not exceed 3.6V on any VDD pin - the 16-bit PIC24F MCU is NOT 5V tolerant. Use the internal BOR (Brown-Out Reset) feature to ensure defined Reset behavior at low voltage. Disable unused peripherals via PMD (Peripheral Module Disable) registers to achieve the lowest Sleep current; the nanoWatt XLP datasheet Sleep figures assume all unused peripherals are off. For ICSP programming, do not load the PGC/PGD pins (RB6/RB7) - leave them free for in-circuit programming access during production.
At maximum CPU speed (32 MHz, 3.3V, full peripherals), the PIC24F16KL402-I/SO dissipates approximately 7-10 mW, well within the 28-SOIC thermal envelope. Estimated: theta_JA of 28-SOIC is approximately 70 C/W, giving a junction temperature rise of 0.7 C above ambient at full activity - no heatsink is required. For continuous full-speed operation in an enclosed industrial environment (>50 C ambient), verify against the -40C to +85C industrial temperature range.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page; AEC-Q100 not qualified (industrial applications only); halogen-free per Microchip environmental compliance.
