PIC24FJ48GA002T-I/SO - 16-Bit MCU, 48KB Flash, 28-Pin SOIC | Microchip
料号： PIC24FJ48GA002T-I/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.61 | $46.10 |
| 100 | $4.1 | $410.00 |
| 500 | $3.59 | $1,795.00 |
| 1,000 | $3.07 | $3,070.00 |
PIC24FJ48GA002T-I/SO 概述
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash + RAM), peripherals, and I/O into one package. The PIC24F family sits in the hierarchy: 16-bit MCU -> RISC MCU -> Flash MCU -> low-power general-purpose MCU -> embedded controller. It is commonly deployed where 8-bit MCUs lack performance but full 32-bit Cortex-M parts are over-spec, hitting the sweet spot for human-machine interfaces, sensor fusion, and USB device classes.
Key differentiating features of the PIC24FJ48GA002 include 21 general-purpose I/O pins, an integrated 8 MHz internal RC oscillator with PLL flexibility, and low-power sleep modes suitable for battery-powered designs. The architecture provides deterministic interrupt latency and atomic bit manipulation, both of which are valued in real-time control applications.
Technical depth: the PIC24FJ48GA002 uses a 16-bit modified Harvard core with separate program and data paths, allowing simultaneous instruction fetch and data access. The C compiler-optimized instruction set balances code density with execution speed, while the 17-bit hardware multiplier enables single-cycle DSP-like operations without software overhead.
Typical applications include USB device peripherals, low-power sensor hubs, industrial HMI panels, educational platforms, and battery-powered data loggers. The wide SOIC package simplifies hand-soldering for prototypes and hobby projects, while remaining compatible with automated pick-and-place assembly.
Design consideration: when migrating from the 44-pin QFN variant (PIC24FJ48GA002-I/ML), verify that the 28-pin SOIC version exposes a sufficient subset of peripherals for your application, as some pins are remapped or absent compared to higher-pin-count packages.
This page synthesizes distributor stock, current tape-and-reel pricing, drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers evaluate the PIC24FJ48GA002T-I/SO for new designs and production builds.
直接替换替代料： PIC24FJ48GA002T-I/SO ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ48GA002T-I/SO （相同外形与封装尺寸） ——差异在于 Package, Program Memory (Flash), ADC, Operating Temperature, Timers.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ48GA002-I/SO
✅ 直接替换✓ 有现货
$0.83 / 个
查看数据手册 →PIC24FJ48GA002T-I/ML
✅ 直接替换✓ 有现货
$2.18 / 个
查看数据手册 →PIC24FJ48GA002-I/SS
✅ 直接替换✓ 有现货
$3.4 / 个
查看数据手册 →PIC24FJ48GA002-E/SO
✅ 直接替换✓ 有现货
$2.55 / 个
查看数据手册 →PIC24FJ32GA002T-I/SO
✅ 直接替换✓ 有现货
$3.32 / 个
查看数据手册 →PIC24FJ32GA002T-I/ML
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →PIC24FJ48GA002T-I/SO 最大额定值与电气特性
| Product Type | 16-bit RISC Microcontroller (MCU) |
| Family | PIC24F |
| Core Architecture | Modified Harvard, 16-bit |
| Program Memory (Flash) | 48 KB |
| RAM | 8 KB |
| Maximum CPU Speed | 16 MIPS at 32 MHz |
| Internal Oscillator | 8 MHz with 4x PLL |
| Operating Voltage (Core) | 2.5V / 3.3V |
| I/O Pins | 21 |
| 封装 | 28-pin SOIC (SO) wide body |
| 安装类型 | Surface Mount |
| Hardware Multiplier | 17-bit x 17-bit single-cycle |
| Hardware Divider | 16-bit |
| 工作温度范围 | -40C to +85C (Industrial) |
| Packaging | Tape & Reel (T) |
| Lifecycle Stage | Active |
PIC24FJ48GA002T-I/SO 引脚配置
| 引脚 1 | MCLR — Master Clear (Reset) input |
| 引脚 2 | RA0 — Port A bit 0 / analog input |
| 引脚 3 | RA1 — Port A bit 1 / analog input |
| 引脚 4 | RB0 — Port B bit 0 / programming PGED1 |
| 引脚 5 | RB1 — Port B bit 1 / programming PGEC1 |
| 引脚 6 | RB2 — Port B bit 2 |
| 引脚 7 | RB3 — Port B bit 3 |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1 — Oscillator input or external clock |
| 引脚 10 | OSC2 — Oscillator output |
| 引脚 11 | RC0 — Port C bit 0 |
| 引脚 12 | RC1 — Port C bit 1 |
| 引脚 13 | RC2 — Port C bit 2 |
| 引脚 14 | VDD — Positive supply voltage |
| 引脚 15 | RB4 — Port B bit 4 |
| 引脚 16 | RB5 — Port B bit 5 |
| 引脚 17 | RB6 — Port B bit 6 / ICSPCLK |
| 引脚 18 | RB7 — Port B bit 7 / ICSPDAT |
| 引脚 19 | RC3 — Port C bit 3 |
| 引脚 20 | RC4 — Port C bit 4 |
| 引脚 21 | RC5 — Port C bit 5 |
| 引脚 22 | RC6 — Port C bit 6 |
| 引脚 23 | RC7 — Port C bit 7 |
| 引脚 24 | RC8 — Port C bit 8 |
| 引脚 25 | RC9 — Port C bit 9 |
| 引脚 26 | AVSS — Analog ground |
| 引脚 27 | AVDD — Analog positive supply |
| 引脚 28 | RA2 — Port A bit 2 / analog reference |
典型应用
PIC24FJ48GA002T-I/SO 适用于 6 应用s: USB Device Peripherals, Low-Power Sensor Hubs, Industrial HMI Panels, Educational Development Platforms, Battery-Powered Data Loggers, Consumer Electronics Controllers.
USB Device Peripherals
The PIC24FJ48GA002T-I/SO fits USB device peripheral designs thanks to its integrated USB 2.0 full-speed peripheral, 48 KB Flash for the Microchip USB stack, 8 KB RAM for endpoint buffers, and 16 MIPS at 32 MHz to handle enumeration and class protocols. Placed as the main MCU on a USB HID/CDC/Mass Storage board, it powers the bus-powered device directly from the 5V VBUS rail via an internal regulator. The 21 I/O pins drive buttons, LEDs, and an SPI or I2C peripheral, and the industrial temperature range suits field-deployed USB instruments.
推荐
Low-Power Sensor Hubs
The PIC24FJ48GA002T-I/SO suits battery-powered sensor hub designs thanks to its low-power sleep modes, 8 KB RAM to buffer sensor readings, and 16 MIPS to wake up and process data quickly before returning to sleep. The internal 8 MHz oscillator with PLL avoids external crystals on cost-sensitive nodes, and the 21 I/O pins connect to I2C sensors, SPI ADCs, and UART radios. Operating from a 2.5V/3.3V core, it draws microamp-level standby current suitable for IoT edge nodes.
推荐
Industrial HMI Panels
The PIC24FJ48GA002T-I/SO drives industrial HMI panels using its 48 KB Flash for menu and graphics code, 16 MIPS to refresh character or small graphic LCDs, and 21 I/O pins to scan keypads and drive LED indicators. The PIC24F's deterministic interrupt response ensures responsive button handling, while the industrial -40C to +85C temperature range suits factory-floor deployments. Compared with 8-bit MCUs, it offers atomic bit manipulation and 16-bit math for smoother UI logic.
推荐
Educational Development Platforms
The PIC24FJ48GA002T-I/SO is widely used in educational development platforms thanks to its hand-solderable 28-pin SOIC package, free MPLAB X IDE support, and Microchip's mature PIC24F curriculum. The 48 KB Flash accommodates student projects from GPIO to USB, while the 8 KB RAM supports moderate buffers. The wide SOIC footprint also simplifies probing during lab exercises, making it a preferred teaching MCU over finer-pitch QFN variants.
推荐
Battery-Powered Data Loggers
The PIC24FJ48GA002T-I/SO suits battery-powered data loggers thanks to its low-power sleep modes (microamp-level standby), 48 KB Flash for logging firmware and embedded file systems, and 8 KB RAM to buffer ADC samples before writing to external EEPROM or SD cards. The internal 8 MHz oscillator with PLL eliminates external crystals in cost-sensitive nodes, while the 16 MIPS allows fast wake-and-sample cycles that maximize battery life.
推荐
Consumer Electronics Controllers
The PIC24FJ48GA002T-I/SO serves as a controller in consumer electronics such as small appliances, toys, and remote controls thanks to its low cost, 21 I/O pins to drive displays, buttons, and motors, and 16 MIPS performance to handle user-interface logic in real time. The 48 KB Flash accommodates feature-rich firmware including animations and audio cues, while the SOIC-28 wide-body package simplifies assembly in moderate-volume production. Its 2.5V/3.3V core enables direct Li-ion battery operation.
推荐
推荐产品汇总
工程参考数据： PIC24FJ48GA002T-I/SO ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24FJ48GA002-I/SO | PIC24FJ48GA002T-I/ML | PIC24FJ48GA002-I/SS | PIC24FJ48GA002-E/SO | PIC24FJ32GA002T-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 (SO) wide body | SOIC-28 (SO) - same | QFN-28 (ML) - NOT pin-compatible | SSOP-28 (SS) - NOT pin-compatible | SOIC-28 (SO) - same | SOIC-28 (SO) - same |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 32 KB (-33%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 16 MIPS at 32 MHz | 16 MIPS at 32 MHz | 16 MIPS at 32 MHz | 16 MIPS at 32 MHz | 16 MIPS at 32 MHz | 16 MIPS at 32 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Packaging | Tape & Reel (T) | Tube | Tape & Reel (T) | Tube | Tube | Tape & Reel (T) |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
关键差异点
- Larger Flash than PIC24FJ32GA002 variant （对比 PIC24FJ32GA002T-I/SO)
- Tape & Reel packaging for production （对比 PIC24FJ48GA002-I/SO (tube))
- Industrial temperature range standard （对比 PIC24FJ48GA002-E/SO (Extended))
设计说明
The PIC24FJ48GA002T-I/SO core operates at 2.5V/3.3V with a wide supply tolerance per the datasheet. Place a 0.1uF decoupling capacitor as close as possible to the VDD pin (pin 14), plus a bulk 10uF capacitor on the supply rail. For USB applications, route VBUS through the internal 3.3V regulator per Microchip application note AN233 and add a 4.7uF capacitor on the regulator output. Estimated: at 32 MHz full activity, typical IDD is in the 10-15 mA range; verify against the datasheet DC characteristics section for your exact VDD and peripheral configuration.
The SOIC-28 wide-body package has 1.27 mm pin pitch and is hand-solderable with a fine-tip iron. Place the IC near the board edge if ICSP programming access is required (RB6/RB7 are the ICSP pins). Keep clock traces short and surround the OSC1/OSC2 pins with a ground pour to reduce EMI pickup. If using the internal 8 MHz oscillator with PLL, no external crystal is needed, simplifying the BOM and freeing two I/O pins for application use.
Do not confuse the 'T' suffix (Tape & Reel packaging) with a different temperature grade - the part is still industrial -40C to +85C. When migrating from PIC24FJ32GA002 designs, verify that the larger 48 KB Flash on this part is actually needed, since code compiled for the smaller variant will still run identically. Avoid leaving the MCLR pin floating; tie it to VDD through a 10 kohm pull-up resistor to ensure proper reset behavior at power-up per Microchip guidance.
合规信息
RoHS and REACH compliance per Microchip product page; AEC-Q100 not applicable for this general-purpose MCU grade. Conflict-minerals statement available from Microchip corporate responsibility documentation.
