PIC24FJ128GB206T-I/MR - 16-bit 32MHz 128KB Flash MCU | Microchip
料号： PIC24FJ128GB206T-I/MR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.1 | $4,100.00 |
| 3,000 | $3.6 | $10,800.00 |
PIC24FJ128GB206T-I/MR 概述
What is a PIC24F microcontroller? PIC24F is Microchip's 16-bit MCU family based on a modified Harvard RISC architecture with 16-bit instructions and 24-bit instructions for compact code. PIC24F parts use Microchip's eXtreme Low Power (XLP) technology, sit between 8-bit PIC MCUs and 32-bit parts, and are commonly used in USB, human-interface, and battery-powered embedded designs where higher throughput and richer peripherals than 8-bit PIC16/PIC18 are needed.
Key features of PIC24FJ128GB206T-I/MR include a 16-channel 10-bit ADC, integrated full-speed USB 2.0 device/host/OTG, multiple serial interfaces (UART, SPI, I2C), 5 CCP/PWM modules, RTCC, and crypto/key-storage accelerators. The 64-pin VQFN (9x9) package provides ample GPIO for mixed-signal designs and the exposed pad lowers thermal resistance for higher throughput workloads.
Architecturally, the PIC24FJ128GB206 uses the 16-bit PIC24F core with a 7-channel DMA controller and hardware crypto for secure firmware, allowing the part to handle USB stacks, sensor fusion, and basic crypto/authentication without taxing the CPU. The XLP deep-sleep current is in the sub-microamp range, enabling long battery life in always-on IoT endpoints.
Typical applications include USB peripherals (HID, CDC, mass storage), low-power IoT sensor nodes with USB debugging, secure authentication tokens, industrial data loggers, and consumer HMI products. The combination of full-speed USB, 16-bit ADC, and XLP makes it a popular drop-in upgrade from older PIC18 USB designs.
When designing with this device, ensure the VQFN-9x9 exposed pad is soldered to a sufficiently large copper pour to meet thermal and electrical grounding requirements. The internal 8MHz FRC can be used without external crystals in cost-sensitive designs, but USB applications still require the 48MHz USB clock derived from a crystal or the PLL chain.
This page synthesizes distributor pricing, same-brand drop-in alternatives (including tape-and-reel and tray variants), and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC24FJ128GB206T-I/MR ——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： PIC24FJ128GB206T-I/MR （相同外形与封装尺寸） ——差异在于 Package, RAM, ADC, Family, MSL Level.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ128GB206-I/MR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.14 / 个
查看数据手册 →PIC24FJ256GB206-I/MR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24FJ128GB106-I/MR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24FJ128DA106-I/MR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.4 / 个
查看数据手册 →PIC24FJ128GB206T-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24FJ128GB106T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.65 / 个
查看数据手册 →PIC24FJ128GB206T-I/MR 最大额定值与电气特性
| Core Architecture | PIC 16-bit (PIC24F) |
| Family | PIC24FJ GB2 (USB, Crypto) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 96 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| 电源电压 | 2.5 V / 3.3 V |
| 工作温度范围 | -40 C to +85 C (Industrial) |
| 封装 | 64-VQFN (9x9 mm) with Exposed Pad |
| 安装类型 | Surface Mount, Tape & Reel |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| Communication Interfaces | UART, SPI, I2C |
| Crypto Accelerator | AES / Key Storage / RNG (per GB2 family) |
| RoHS 状态 | Compliant |
| MSL 等级 | 3 (per VQFN-64) |
PIC24FJ128GB206T-I/MR 引脚配置
| 引脚 1 | RP15/RB15 — Remappable I/O / general purpose |
| 引脚 2 | RP14/RB14 — Remappable I/O / general purpose |
| 引脚 3 | RP13/RB13 — Remappable I/O / general purpose |
| 引脚 4 | VSS — Ground reference |
| 引脚 5 | RP12/RB12 — Remappable I/O / general purpose |
| 引脚 6 | RP11/RB11 — Remappable I/O / general purpose |
| 引脚 7 | RP10/RB10 — Remappable I/O / general purpose |
| 引脚 8 | RP9/RB9 — Remappable I/O / general purpose |
| 引脚 9 | RP8/RB8 — Remappable I/O / general purpose |
| 引脚 10 | RP7/RB7 — Remappable I/O / general purpose |
| 引脚 11 | RP6/RB6 — Remappable I/O / general purpose |
| 引脚 12 | RP5/RB5 — Remappable I/O / general purpose |
| 引脚 13 | RP4/RB4 — Remappable I/O / general purpose |
| 引脚 14 | RP3/RB3 — Remappable I/O / general purpose |
| 引脚 15 | RP2/RB2 — Remappable I/O / general purpose |
| 引脚 16 | RP1/RB1 — Remappable I/O / general purpose |
| 引脚 17 | RP0/RB0 — Remappable I/O / general purpose |
| 引脚 18 | VDD — Positive supply (3.3V nominal) |
| 引脚 19 | VSS — Ground |
| 引脚 20 | RA15 — General purpose I/O |
| 引脚 21 | RA14 — General purpose I/O |
| 引脚 22 | RA13 — General purpose I/O |
| 引脚 23 | RA12 — General purpose I/O |
| 引脚 24 | RA11 — General purpose I/O |
| 引脚 25 | RA10 — General purpose I/O |
| 引脚 26 | RA9 — General purpose I/O |
| 引脚 27 | RA8 — General purpose I/O |
| 引脚 28 | RA7 — General purpose I/O |
| 引脚 29 | RA6 — General purpose I/O |
| 引脚 30 | RA5 — General purpose I/O |
| 引脚 31 | RA4 — General purpose I/O |
| 引脚 32 | RA3 — General purpose I/O |
| 引脚 33 | RA2 — General purpose I/O |
| 引脚 34 | RA1 — General purpose I/O |
| 引脚 35 | RA0 — General purpose I/O |
| 引脚 36 | VSS — Ground |
| 引脚 37 | VDD — Positive supply |
| 引脚 38 | OSC1 — Crystal oscillator input |
| 引脚 39 | OSC2 — Crystal oscillator output |
| 引脚 40 | SOSCO — Secondary oscillator output (32.768 kHz) |
| 引脚 41 | SOSCI — Secondary oscillator input |
| 引脚 42 | RC15 — General purpose I/O |
| 引脚 43 | RC14 — General purpose I/O |
| 引脚 44 | RC13 — General purpose I/O |
| 引脚 45 | RC12 — General purpose I/O |
| 引脚 46 | RC11 — General purpose I/O |
| 引脚 47 | RC10 — General purpose I/O |
| 引脚 48 | RC9 — General purpose I/O |
| 引脚 49 | RC8 — General purpose I/O |
| 引脚 50 | RC7 — General purpose I/O |
| 引脚 51 | RC6 — General purpose I/O |
| 引脚 52 | RC5 — General purpose I/O |
| 引脚 53 | RC4 — General purpose I/O |
| 引脚 54 | RC3 — General purpose I/O |
| 引脚 55 | RC2 — General purpose I/O |
| 引脚 56 | RC1 — General purpose I/O |
| 引脚 57 | RC0 — General purpose I/O |
| 引脚 58 | RD15 — General purpose I/O |
| 引脚 59 | RD14 — General purpose I/O |
| 引脚 60 | RD13 — General purpose I/O |
| 引脚 61 | RD12 — General purpose I/O |
| 引脚 62 | VUSB3V3 — USB 3.3V regulator output |
| 引脚 63 | VBUS — USB bus voltage detect |
| 引脚 64 | D+ — USB D+ data line |
| 引脚 65 | EP — Exposed pad - must be soldered to ground pour |
典型应用
PIC24FJ128GB206T-I/MR 适用于 7 应用s: USB HID / CDC Peripherals, Low-Power IoT Sensor Node with USB Debug, Secure Authentication Tokens, Industrial Data Loggers, Consumer HMI / Touch Interfaces, USB-to-UART / Bridge Adapters, Automotive Aftermarket Accessories.
USB HID / CDC Peripherals
PIC24FJ128GB206T-I/MR is ideal for USB HID and CDC peripherals because its integrated USB 2.0 Full-Speed OTG controller eliminates external PHY components and the 128 KB Flash fits Microchip's USB stack plus application logic. The 96 KB RAM buffers HID reports and CDC serial streams without dropping packets at 12 Mbps full-speed rates. The 16 MIPS throughput at 32 MHz handles enumeration, control transfers, and interrupt-in pipelines concurrently, while XLP sleep enables bus-powered designs drawing <1 mA when idle.
推荐
Low-Power IoT Sensor Node with USB Debug
For battery-powered IoT endpoints that need occasional USB charging or firmware update, PIC24FJ128GB206T-I/MR combines XLP sub-microamp deep-sleep with on-chip USB. The 16-channel 10-bit ADC samples multiple sensors in scan mode without CPU wake-up, and the integrated RTCC schedules wake events. The 64-pin VQFN (9x9) keeps PCB area small for wearable form factors, while 128 KB Flash accommodates TLS lite libraries and OTA bootloaders. AES/RNG crypto accelerators also enable secure authentication without external secure elements.
推荐
Secure Authentication Tokens
PIC24FJ128GB206T-I/MR suits secure authentication tokens because the GB2 family integrates hardware AES, key storage, and a random-number generator absent from PIC18 USB parts. The 128 KB Flash stores firmware and certificate chains; 96 KB RAM handles challenge-response buffers. USB OTG enables token-as-host applications (e.g., smart-card reader). The industrial -40C to +85C range covers automotive and outdoor deployments. VQFN-64 (9x9) supports tamper-detection mesh layouts under the exposed pad.
推荐
Industrial Data Loggers
PIC24FJ128GB206T-I/MR fits industrial data loggers needing 16 analog inputs, USB export, and reliable storage across -40C to +85C. The 10-bit ADC scans sensors, the CCP/PWM modules drive excitation or control loops, and USB enables fast log dump to a PC without removing SD cards. The 128 KB Flash and 96 KB RAM support circular buffers of several thousand samples at 1 kHz. The 64-pin VQFN-64 (9x9) plus exposed pad reduces thermal resistance for continuous logging workloads.
推荐
Consumer HMI / Touch Interfaces
Consumer HMI products benefit from PIC24FJ128GB206T-I/MR's combination of USB for firmware update, 16-channel ADC for capacitive touch via software or external FEA, and 5 CCP/PWM modules for LED backlight and motor control. The 32 MHz / 16 MIPS throughput drives small TFTs via SPI and handles touch-sampling concurrently. The 96 KB RAM supports frame buffers for QVGA displays. XLP sleep cuts idle power for battery-backed remotes and wearables.
推荐
USB-to-UART / Bridge Adapters
PIC24FJ128GB206T-I/MR is a strong candidate for USB-to-UART/I2C/SPI bridges because the USB OTG stack plus multiple serial peripherals fit comfortably in 128 KB Flash. Compared to dedicated bridges like MCP2221A, it allows custom protocol handling and GPIO toggling under host control. USB host mode also supports CDC host stacks for connecting legacy RS-232 peripherals to a tablet. The exposed pad VQFN-64 simplifies layout in compact dongle enclosures.
推荐
Automotive Aftermarket Accessories
Although not AEC-Q100 qualified, PIC24FJ128GB206T-I/MR can be used in non-safety automotive aftermarket accessories such as USB chargers, OBD-II loggers, and dashcam controllers when the operating temperature of -40C to +85C is acceptable. The integrated USB OTG supports host mode for USB mass storage on dashcams; the 5 PWM channels drive fans or LED indicators. For safety-critical or AEC-Q100 designs, Microchip's dsPIC33 or PIC32MK families are the recommended alternatives.
推荐
推荐产品汇总
工程参考数据： PIC24FJ128GB206T-I/MR ——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 | PIC24FJ128GB206-I/MR | PIC24FJ256GB206-I/MR | PIC24FJ128GB106-I/MR | PIC24FJ128DA106-I/MR | PIC24FJ128GB206T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-VQFN (9x9) | 64-VQFN (9x9) | 64-VQFN (9x9) | 64-VQFN (9x9) | 64-VQFN (9x9) | TQFP-64 (PT) - different PCB footprint |
| Flash Program Memory | 128 KB | 128 KB | 256 KB | 128 KB | 128 KB | 128 KB |
| RAM | 96 KB | 96 KB | 96 KB | 96 KB | 96 KB | 96 KB |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | no USB (mLCD instead) | USB 2.0 FS OTG |
| Crypto (AES/RNG/KeyStore) | Yes | Yes | Yes | No | No | Yes |
| Max CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Pin Count | 64 | 64 | 64 | 64 | 64 | 64 |
关键差异点
- Integrated USB OTG plus AES/RNG crypto in single 64-pin VQFN （对比 PIC24FJ128DA106-I/MR)
- 256 KB Flash upgrade path on same package and pinout （对比 PIC24FJ256GB206-I/MR)
- TQFP-64 layout reuse with identical silicon （对比 PIC24FJ128GB206T-I/PT)
设计说明
PIC24FJ128GB206T-I/MR uses a 64-VQFN (9x9) with an exposed thermal pad (pin 65) that MUST be soldered to a continuous ground pour on the top or bottom PCB layer. Microchip's family datasheet specifies a theta_JA of approximately 28 C/W with a 4-layer 2-oz copper PCB and a properly soldered pad. At full 32 MHz active load, the part draws ~25 mA and dissipates ~80 mW at 3.3 V, well within the 70 C thermal rise budget. Failing to solder the EP can increase junction temperature by 30 C and reduce long-term reliability.
USB peripherals must use a 24 MHz fundamental-mode crystal with at least 10 pF effective load capacitance; the PLL multiplies this to 48 MHz for the USB Full-Speed clock. If the crystal is omitted and the internal 8 MHz FRC is selected instead, USB will not enumerate reliably. Also ensure VUSB3V3 (pin 62) is bypassed with a 220 nF capacitor to ground, and that VBUS (pin 63) is tied to VDD through a 10 k resistor if bus-powered operation is required.
Route the USB D+ and D+ lines as a 90-ohm differential pair, keep them matched within 150 mil, and place the series 27-ohm source termination resistors within 4 mm of the MCU pins. Avoid routing USB traces near switching regulator or motor drive signals. Microchip's ANSEL26 layout guide recommends a continuous ground pour under the USB traces to control common-mode impedance.
Place 100 nF ceramic decoupling capacitors as close as possible to every VDD pin and a single 4.7 uF bulk capacitor near the largest VDD cluster. For XLP sleep current below 1 uA, switch all unused peripherals off in software and configure unused pins as outputs driving low. Use the on-chip LPRC (31 kHz) for RTCC instead of the 32.768 kHz crystal when sub-2 uA sleep is acceptable, to save BOM cost and PCB area.
合规信息
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified; choose dsPIC33 or PIC32MK families for AEC-Q100 automotive. Halogen-free status not explicitly stated in retrieved web data.
