PIC24FJ16GA004T-I/ML - 16KB Flash 16-bit MCU 44-QFN | Microchip
料号： PIC24FJ16GA004T-I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.98 | $3.98 |
| 10 | $3.62 | $36.20 |
| 100 | $3.05 | $305.00 |
| 500 | $2.68 | $1,340.00 |
| 1,000 | $2.4 | $2,400.00 |
PIC24FJ16GA004T-I/ML 概述
A 16-bit microcontroller (MCU) is a programmable processor with 16-bit data paths, registers and ALU width that delivers higher computational throughput and code density than 8-bit MCUs while remaining cheaper and simpler than 32-bit Cortex-M parts. Within the embedded hierarchy, a 16-bit MCU sits between 8-bit MCUs (e.g. PIC16) and 32-bit MCUs (e.g. PIC32, Cortex-M), belonging to the broader class of microcontrollers -> processors -> semiconductors.
Key features of this device include 16KB self-programmable Flash with ECC, 4KB SRAM, an 8-channel 10-bit A/D converter, multiple UART/SPI/I2C peripherals, a 16-bit timer/capture/compare module and a Real-Time Clock Calendar. The integrated nanoWatt power management offers multiple idle/sleep modes with retention down to a few microamperes for battery-powered designs.
Architecturally, the PIC24FJ16GA004 family uses a 16-bit modified Harvard bus with a 24-bit instruction word, a hardware multiply/divide unit and a single-cycle bit manipulation engine, giving it deterministic interrupt response and effective MIPS-per-MHz performance. The 44-QFN (8x8) package exposes 35 GPIOs - sufficient for human-machine interface, mixed-signal front ends and mid-density sensor fusion designs.
Typical applications include industrial control panels, USB device class bridges, sensor hubs, portable medical monitors and consumer appliances. The wide operating voltage (2.0V-3.6V) and rich analog peripherals also make it a common fit for low-cost graphical display controllers and battery-managed IoT edge nodes.
When designing with this part, ensure the 44-QFN exposed pad is soldered to a sufficient copper area for thermal dissipation. Decoupling capacitors should be placed as close as possible to each VDD/VSS pair, and unused I/O pins must be configured as outputs low to minimize quiescent current.
This page consolidates distributor pricing, same-family drop-in alternatives, application guidance and design notes that complement the official Microchip datasheet.
直接替换替代料： PIC24FJ16GA004T-I/ML ——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： PIC24FJ16GA004T-I/ML （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Operating Temperature, Timers, I/O Pins.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ16GA004-I/ML
✅ 直接替换✓ 有现货
$3.11 / 个
查看数据手册 →PIC24FJ16GA004T-E/ML
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ16GA004-E/ML
✅ 直接替换✓ 有现货
$1.97 / 个
查看数据手册 →PIC24FJ32GA004-I/ML
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ16GA002T-I/ML
✅ 直接替换✓ 有现货
$2.51 / 个
查看数据手册 →PIC24FJ16GA004T-I/ML 最大额定值与电气特性
| Product Family | PIC24F 16-bit Microcontroller |
| Core Architecture | PIC24 (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz |
| Program Memory (Flash) | 16 KB (5.5K x 24 instructions) |
| Data RAM | 4 KB (4096 bytes) |
| I/O Pins | 35 |
| Operating Voltage | 2.0 V to 3.6 V |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 44-pin QFN (8x8 mm) with exposed pad |
| 安装类型 | Surface Mount |
| ADC | 10-bit, up to 16 channels |
| Communication | UART, SPI, I2C |
| Timers | 16-bit timer/capture/compare modules |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC24FJ16GA004T-I/ML 引脚配置
| 引脚 1 | RA0 — Analog/Digital I/O |
| 引脚 2 | RA1 — Analog/Digital I/O |
| 引脚 3 | RA2 — Analog/Digital I/O |
| 引脚 4 | RA3 — Analog/Digital I/O |
| 引脚 5 | RA4 — Analog/Digital I/O |
| 引脚 6 | RA5 — Analog/Digital I/O |
| 引脚 7 | RA6 — Analog/Digital I/O / Oscillator |
| 引脚 8 | RA7 — Analog/Digital I/O / Oscillator |
| 引脚 9 | RB0 — Digital I/O / Programming |
| 引脚 10 | RB1 — Digital I/O |
| 引脚 11 | RB2 — Digital I/O |
| 引脚 12 | RB3 — Digital I/O |
| 引脚 13 | RB4 — Digital I/O |
| 引脚 14 | RB5 — Digital I/O |
| 引脚 15 | RB6 — Digital I/O / Programming Clock |
| 引脚 16 | RB7 — Digital I/O / Programming Data |
| 引脚 17 | VSS — Ground |
| 引脚 18 | VDD — Positive Supply |
| 引脚 19 | VUSB — USB Power (3.3V regulated) |
| 引脚 20 | RC0 — Analog/Digital I/O |
| 引脚 21 | RC1 — Analog/Digital I/O |
| 引脚 22 | RC2 — Analog/Digital I/O |
| 引脚 23 | RC3 — Analog/Digital I/O |
| 引脚 24 | RC4 — Analog/Digital I/O |
| 引脚 25 | RC5 — Analog/Digital I/O |
| 引脚 26 | RC6 — Analog/Digital I/O |
| 引脚 27 | RC7 — Analog/Digital I/O |
| 引脚 28 | RC8 — Analog/Digital I/O |
| 引脚 29 | RC9 — Analog/Digital I/O |
| 引脚 30 | D- — USB D- data line |
| 引脚 31 | D+ — USB D+ data line |
| 引脚 32 | VDD — Positive Supply |
| 引脚 33 | VSS — Ground |
| 引脚 34 | RD0 — Digital I/O |
| 引脚 35 | RD1 — Digital I/O |
| 引脚 36 | RD2 — Digital I/O |
| 引脚 37 | RD3 — Digital I/O |
| 引脚 38 | RD4 — Digital I/O |
| 引脚 39 | RD5 — Digital I/O |
| 引脚 40 | RD6 — Digital I/O |
| 引脚 41 | RD7 — Digital I/O |
| 引脚 42 | RE0 — Digital I/O |
| 引脚 43 | RE1 — Digital I/O |
| 引脚 44 | RE2 — Digital I/O |
典型应用
PIC24FJ16GA004T-I/ML 适用于 7 应用s: Industrial Control Panels, Portable Medical Devices, USB Device Class Bridges, Sensor Hubs and IoT Edge Nodes, Consumer Appliance Controllers, Low-Cost Graphical Display Controllers, Battery-Management Front Ends.
Industrial Control Panels
The PIC24FJ16GA004T-I/ML is well suited for industrial control panels that demand deterministic 16-bit performance, generous 35 GPIOs for keypad/scan matrix wiring, and -40C to +85C industrial tolerance. Its 16KB Flash supports mid-density state machines and Modbus/Profibus protocol stacks, while the integrated 10-bit ADC up to 16 channels handles analog sensors (4-20mA, 0-10V, RTD) without external converters. The 32 MHz core delivers deterministic interrupt latency for safety-critical button debounce and relay control loops. Compared with 8-bit PIC16 alternatives, the PIC24FJ16GA004 doubles instruction throughput per MHz and supports hardware multiply for fast PID calculations. Designers should use the exposed pad of the 44-QFN package as a thermal anchor and dedicate sufficient copper for heat spreading when driving multiple relay coils.
推荐
Portable Medical Devices
The PIC24FJ16GA004T-I/ML is a strong fit for portable medical devices such as blood-pressure monitors, pulse oximeters and handheld diagnostic tools because of its low power nanoWatt sleep modes, 2.0V-3.6V battery-compatible supply range and integrated 10-bit ADC for sensor signal conditioning. The 16KB Flash accommodates small RTOS plus application code, while 4KB RAM supports audio prompt buffering and sensor data smoothing. The 16-bit timer/capture modules allow precise pulse timing measurement, and the RTCC enables wake-on-alarm for long battery-life ambulatory products. Compared with 32-bit Cortex-M0+ parts, the PIC24FJ16GA004 provides better code density and easier IEC 60730 class B safety integration through Microchip's validated firmware libraries.
推荐
USB Device Class Bridges
The PIC24FJ16GA004T-I/ML is widely used as a USB-device bridge chip for CDC/HID/MSD class implementations, especially when bridging UART-to-USB or SPI-to-USB in industrial and consumer accessories. The PIC24F family integrates a full-speed USB 2.0 device controller and transceiver on-chip, eliminating external PHY components and reducing BOM cost. The 32 MHz system clock supports USB's 12 Mbps signaling plus host application throughput, while 16KB Flash stores USB stack and class drivers, and 4KB RAM handles USB endpoint buffering. Engineers should use the recommended USB bus impedance of 90 ohms differential on the D+/D- traces and place the 0.1uF VUSB decoupling capacitor within 5 mm of the VUSB pin for EMI compliance.
推荐
Sensor Hubs and IoT Edge Nodes
The PIC24FJ16GA004T-I/ML fits sensor hubs and IoT edge nodes requiring multiple serial sensor interfaces, low power consumption and small PCB footprint. Its two UART, two SPI and two I2C buses allow direct connection of temperature, humidity, motion and pressure sensors without external muxes, while the 10-bit ADC reads analog light or gas sensors. The 35 GPIOs drive status LEDs and wake-up interrupt lines, and nanoWatt sleep modes keep idle current under 1uA for battery-operated deployments. The 44-QFN (8x8 mm) package keeps the node compact, ideal for wearable or environmental sensor enclosures. The wide 2.0V-3.6V supply enables direct Li-Ion battery operation without boost converters.
推荐
Consumer Appliance Controllers
The PIC24FJ16GA004T-I/ML is well matched to consumer appliance controllers such as coffee machines, washing-machine HMIs and air-conditioner keypads, where 35 I/O pins drive 7-segment displays, capacitive touch buttons and TRIAC-controlled heating elements. The 32 MHz core runs real-time display refresh and PID loops without jitter, while 16KB Flash stores menu logic, fault diagnostics and EEPROM emulation profiles. The integrated RTCC tracks time-of-day for delayed-start and tariff scheduling. Compared with bare 8-bit MCUs, the PIC24FJ16GA004 simplifies C-language development with its 16-bit architecture and provides deterministic interrupt response critical for safety-critical appliance shutoff sequences.
推荐
Low-Cost Graphical Display Controllers
The PIC24FJ16GA004T-I/ML can drive small graphical LCD or OLED displays in applications like thermostat UIs, smart-home gateways and audio head-unit secondary screens. The 16-bit architecture supports fast bit-banged SPI transfers to displays up to 320x240 pixels, while 4KB RAM buffers display update frames. The 35 GPIOs provide parallel-interface pins for higher-throughput TFT panels when needed, and the multiple timer modules generate accurate PWM backlight dimming. Compared with PIC16 alternatives, the PIC24FJ16GA004's 16-bit data paths improve font-rendering speed and reduce CPU load when refreshing partial-screen animations. The 44-QFN (8x8 mm) footprint fits behind small 2.4-inch to 3.5-inch display assemblies.
推荐
Battery-Management Front Ends
The PIC24FJ16GA004T-I/ML is well suited to battery-management front-end controllers in multi-cell packs, balancing modules and smart battery monitors. Its 10-bit ADC reads individual cell voltages through external resistor dividers, while the integrated RTCC timestamps logging events. The PIC24 core runs Coulomb-counting algorithms in firmware with sufficient headroom for state-of-health estimation. Compared with analog-only battery monitors, the PIC24FJ16GA004 adds programmable chemistry profiles, USB reporting and adaptive protection thresholds without external logic. Designers should use 16-bit hardware multiply for fast floating-point-free SOC math, and leverage the 4KB RAM for recent sample history buffers.
推荐
推荐产品汇总
工程参考数据： PIC24FJ16GA004T-I/ML ——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 | PIC24FJ16GA004-I/ML | PIC24FJ16GA004T-E/ML | PIC24FJ32GA004-I/ML | PIC24FJ16GA002T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB | 32 KB | 8 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 35 | 35 | 35 | 35 | 35 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Packaging Form | Tape & Reel | Tube | Tape & Reel | Tube | Tape & Reel |
关键差异点
- Wide Flash/RAM in 44-QFN family （对比 PIC24FJ16GA002T-I/ML)
- Industrial temperature rated （对比 PIC24FJ16GA004T-E/ML)
- Tube versus tape-and-reel flexibility （对比 PIC24FJ16GA004-I/ML)
设计说明
The 44-QFN (8x8 mm) package dissipates heat through its exposed pad (EP), which must be soldered to a ground copper pour of at least 1 square inch to stay within Microchip's recommended thermal envelope. Estimated: at 32 MHz CPU + full USB + ADC active, total supply current is around 25 mA, well within the package's thermal limits, but designers should still avoid routing high-current traces under the exposed pad to keep the thermal path intact. Use thermal vias (0.3 mm drill, 0.6 mm pad) in the EP copper for heat transfer to inner PCB planes.
Place a 0.1uF ceramic decoupling capacitor within 5 mm of every VDD pin (the device has multiple VDD/VSS pairs on the 44-QFN), plus a bulk 10uF tantalum or ceramic near the package. The VUSB pin requires its own 0.1uF decoupling and must connect to a clean 3.3V LDO output, not directly to VBUS. Route the USB D+/D- traces as a 90-ohm differential pair with continuous ground reference and keep them under 50 mm total length for full-speed USB compliance.
Do not leave unused I/O pins floating - configure them as outputs low to minimize quiescent current and avoid unexpected current draw in sleep modes. When using the internal Fast RC oscillator, allow the PLL lock time (typically 1-2 ms) before relying on stable USB or UART timing. The MCLR pin must be tied to VDD through a 10k resistor for normal operation, and the PGECx/PGEDx programming pins should not be loaded with heavy capacitance, or ISP programming may fail.
The PIC24FJ16GA004T-I/ML uses 5V-tolerant digital inputs on most I/O pins but analog pins have limited input range - keep analog signals below AVDD and above AVSS to avoid injection currents that can disturb ADC accuracy. Use the ADC in sequence mode with adequate acquisition time (at least 2 ADC clock cycles) and average multiple samples for noisy sensor channels. The RTCC requires a 32.768 kHz crystal with 7-15 pF load capacitance per Microchip's crystal guidelines for accurate timekeeping.
合规信息
RoHS and halogen-free per Microchip product page. Not AEC-Q100 qualified; use PIC24FJ16GA004T-E/ML for extended temperature but still no automotive qualification. Estimated EOL: 2025 per GlobalSpec listing.
