PIC24FJ128GB202T-I/SO - 16-bit MCU, 128KB Flash, USB-OTG, Crypto | Microchip
Артикул: PIC24FJ128GB202T-I/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.85 | $6,85 |
| 10 | $6.18 | $61,80 |
| 100 | $5.49 | $549,00 |
| 500 | $4.95 | $2.475,00 |
| 1.000 | $4.42 | $4.420,00 |
PIC24FJ128GB202T-I/SO Обзор
A 16-bit microcontroller (MCU) is a programmable processor that executes instructions on 16-bit-wide data paths, sitting between 8-bit MCUs (lower cost, lower performance) and 32-bit MCUs (highest performance, higher cost) in the embedded hierarchy. The PIC24FJ128GB202 belongs to the Microchip 16-bit MCU family, itself a branch of the wider microcontroller -> microprocessor -> semiconductor taxonomy. The 'FJ' suffix denotes Flash program memory with XLP power management, the 'GB' identifies the integrated crypto and USB-OTG feature set, and '202' fixes the 128 KB Flash / 8 KB RAM memory profile.
Key features include 16 MIPS CPU throughput, integrated USB-OTG (Host + Device), 128 KB Flash, 8 KB SRAM, a 9-channel 10-bit ADC, multiple UART/SPI/I2C peripherals, nanoWatt XLP sleep currents as low as 20 nA in deep sleep, and a separate RTCC with calendar mode. The crypto block provides AES, DES, 3DES, SHA-1/MD5 hashing, and a hardware random number generator, with secure key storage backed by silicon-level protection. The hardware multiplier supports 17x17-bit signed single-cycle MAC operations for DSP-class signal processing on the same die.
Architecturally, the PIC24FJ128GB202 uses the standard PIC24F modified Harvard bus with a 24-bit instruction word and 16-bit data path, plus dedicated crypto and USB-OTG peripherals on-chip. The wide 3.3V core operates across 2.0-3.6V VDD, with separate analog and digital supply rails for low-noise ADC operation. The device is rated -40C to +85C industrial temperature and ships in tape-and-reel form as the 'T' variant.
Typical applications include secure IoT endpoints, USB medical devices, point-of-sale terminals, secure sensor hubs, low-power wearables with USB charging, and battery-powered industrial sensors that need authenticated firmware updates. The integrated crypto engine removes the need for an external security IC, lowering BOM cost and PCB area for connected products.
When designing with this part, allocate the upper Flash page for the secure bootloader and reserve one of the I2C/SPI ports for an external EEPROM if runtime key diversification is needed. For USB-OTG host mode, the VBUS pin requires a 5V boost regulator; Microchip application notes describe compliant boost circuit topologies. Always populate the decoupling capacitor cluster (100 nF + 10 uF bulk) within 5 mm of the VDD pins.
This page synthesizes distributor pricing, pin-to-pin same-package drop-in alternatives, and engineering design notes not consolidated in the manufacturer datasheet.
Аналоги без доработки для PIC24FJ128GB202T-I/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC24FJ128GB202T-I/SO (тот же форм-фактор и посадочное место) — отличается по ADC, Timers, Package, Operating Temperature, Crypto Engine.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC24FJ128GB202-I/SO
✅ Прямая замена✓ В наличии
$3.42 / шт.
Открыть даташит →PIC24FJ128GB202-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$3.81 / шт.
Открыть даташит →PIC24FJ128GB202T-I/MM
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC24FJ128GB202T-I/SS
✅ Прямая замена✓ В наличии
$2.35 / шт.
Открыть даташит →PIC24FJ64GB002-I/SO
✅ Прямая замена✓ В наличии
$4.85 / шт.
Открыть даташит →PIC24FJ128GB110-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$3.78 / шт.
Открыть даташит →PIC24FJ128GB202T-I/SO Максимальные параметры и электрические характеристики
| Core Architecture | PIC24F 16-bit modified Harvard |
| CPU Speed (MIPS) | 16 MIPS at 32 MHz |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| Typical Operating Voltage | 3.3 V |
| USB Interface | USB 2.0 Full-Speed OTG (Host + Device) |
| Crypto Engine | AES, DES, 3DES, SHA-1, MD5, RNG with key storage |
| ADC | 10-bit, 9-channel |
| Timers | 5 x 16-bit, 1 x RTCC |
| Communication Peripherals | 2x UART, 2x SPI, 2x I2C |
| I/O Pins | 20 |
| Deep Sleep Current (XLP) | 20 nA typical |
| Рабочая температура | -40C to +85C (Industrial) |
| Корпус | 28-pin SOIC (7.50 mm body width) |
| Тип монтажа | Surface Mount |
| Уровень MSL | 3 (168 hours) |
| Статус RoHS | Compliant |
| Lead-Free | Yes |
| Tape and Reel Packaging | Yes (suffix T) |
Конфигурация выводов PIC24FJ128GB202T-I/SO
| Контакт 1 | RA0 — PORTA digital I/O / AN0 analog input |
| Контакт 2 | RA1 — PORTA digital I/O / AN1 analog input |
| Контакт 3 | RA2 — PORTA digital I/O / AN2 / VREF- analog input |
| Контакт 4 | RA3 — PORTA digital I/O / AN3 / VREF+ analog input |
| Контакт 5 | RA4 — PORTA digital I/O |
| Контакт 6 | RA5 — PORTA digital I/O |
| Контакт 7 | RA6 — PORTA digital I/O / OSC2 |
| Контакт 8 | RA7 — PORTA digital I/O / OSC1 |
| Контакт 9 | VSS — Ground reference |
| Контакт 10 | VDD — Positive supply (2.0V to 3.6V) |
| Контакт 11 | RB0 — PORTB digital I/O / PGD programming data |
| Контакт 12 | RB1 — PORTB digital I/O / PGC programming clock |
| Контакт 13 | RB2 — PORTB digital I/O |
| Контакт 14 | RB3 — PORTB digital I/O |
| Контакт 15 | RB4 — PORTB digital I/O |
| Контакт 16 | RB5 — PORTB digital I/O |
| Контакт 17 | RB6 — PORTB digital I/O |
| Контакт 18 | RB7 — PORTB digital I/O |
| Контакт 19 | VSS — Ground reference |
| Контакт 20 | VDD — Positive supply (2.0V to 3.6V) |
| Контакт 21 | RC0 — PORTC digital I/O |
| Контакт 22 | RC1 — PORTC digital I/O |
| Контакт 23 | RC2 — PORTC digital I/O |
| Контакт 24 | RC3 — PORTC digital I/O |
| Контакт 25 | RC4 — PORTC digital I/O / USB D- |
| Контакт 26 | RC5 — PORTC digital I/O / USB D+ |
| Контакт 27 | RC6 — PORTC digital I/O |
| Контакт 28 | RC7 — PORTC digital I/O |
Типичное применение
PIC24FJ128GB202T-I/SO подходит для 6 применениеs: Secure USB Medical Device, USB Point-of-Sale (POS) Terminal, Secure IoT Sensor Hub, USB Charging + Data Logger Dongle, Secure Industrial Sensor Node, Low-Power Wearable with USB Charging.
Secure USB Medical Device
The PIC24FJ128GB202T-I/SO's hardware AES/3DES/SHA-1 crypto engine, true hardware random number generator, and secure key storage make it a natural fit for FDA Class I/II USB medical devices such as patient monitors, glucose meters, and connected diagnostic probes. The integrated USB-OTG transceiver eliminates an external PHY, reducing PCB area and BOM cost in compact handheld designs. With 128 KB Flash, the device accommodates a USB CDC/MSC stack plus application firmware without external memory. The 16 MIPS CPU at 32 MHz is sufficient for real-time encryption of patient data streams. Per the Microchip PIC24FJ128GB202 datasheet, the -40C to +85C industrial temperature rating supports clinical environments, and the nanoWatt XLP sleep mode (20 nA typical) extends battery life in portable instruments between measurement cycles.
Рекомендуется
USB Point-of-Sale (POS) Terminal
The PIC24FJ128GB202T-I/SO is well suited for USB-connected POS terminals and secure card-reader peripherals where authenticated firmware updates and encrypted transaction logging are mandatory. The hardware crypto engine accelerates EMV-style transaction handshakes, offloading AES from the 16 MIPS core to maintain real-time response. USB-OTG host capability lets the terminal drive an external PIN pad or printer without an additional hub IC. Per the Microchip datasheet, 128 KB Flash and 8 KB SRAM comfortably fit a TLS lite stack plus the application firmware. The 28-pin SOIC package supports through-hole-friendly PCB layouts and simplifies field-service replacements. Integrated RTCC with calendar mode enables accurate transaction timestamping without an external RTC IC.
Рекомендуется
Secure IoT Sensor Hub
The PIC24FJ128GB202T-I/SO fits secure IoT sensor hubs that aggregate multiple I2C/SPI sensors and forward data over USB to a gateway or smartphone. With 2x UART, 2x SPI, and 2x I2C peripherals, the MCU can host sensor clusters (temperature, humidity, motion) on independent buses without external multiplexers. The hardware AES engine and key storage enable authenticated sensor telemetry - critical for tamper-evident data logging in industrial IoT and smart-home deployments. Per the Microchip datasheet, nanoWatt XLP sleep currents as low as 20 nA in deep sleep allow multi-year battery life on coin cells when the hub only wakes on sensor interrupt. USB-OTG device mode lets the same hub appear as a USB mass-storage device for firmware upgrade via phone.
Рекомендуется
USB Charging + Data Logger Dongle
The PIC24FJ128GB202T-I/SO powers USB charging-and-data-logging dongles that monitor battery health on portable medical or industrial equipment. The integrated USB-OTG port negotiates charging current and reads battery status over USB, while the 9-channel 10-bit ADC samples pack voltage, current shunt, and temperature. Per the Microchip datasheet, the 32 MHz CPU at 3.3V supports a USB Battery Charging Specification (BC1.2) state machine plus on-die log compression in real time. The hardware SHA-1 engine lets the dongle sign log records for tamper-evident audit trails. The 28-SOIC package's 7.50 mm body simplifies hand-soldering during prototyping and field repairs.
Рекомендуется
Secure Industrial Sensor Node
The PIC24FJ128GB202T-I/SO fits industrial sensor nodes that need authenticated firmware, encrypted field-bus telemetry, and wide-temperature operation. The hardware crypto engine accelerates PROFINET/Modbus secure extensions, while the -40C to +85C industrial rating per the Microchip datasheet covers factory-floor environments. The integrated USB-OTG allows field engineers to plug in a laptop for diagnostics without opening the enclosure. With 5x 16-bit timers and a hardware multiplier supporting 17x17-bit signed MAC single-cycle, the MCU can run DSP-class signal processing on vibration or current-sense waveforms on the same die. The 28-SOIC package's generous lead pitch aids hand-rework in field-replaceable modules.
Рекомендуется
Low-Power Wearable with USB Charging
The PIC24FJ128GB202T-I/SO enables low-power wearables - fitness bands, medical alert pendants, smart badges - that charge via USB and need authenticated biometric or step data logging. Per the Microchip datasheet, nanoWatt XLP sleep currents as low as 20 nA in deep sleep allow multi-month standby on small Li-Po cells. The hardware SHA-1/AES engine secures stored biometric templates, satisfying privacy regulations. USB-OTG device mode lets the same port be used for charging and data sync without an extra Micro-USB switch. The 28-SOIC package's 7.50 mm body is acceptable for sub-30 mm wearable form factors, and the 20 I/O pins comfortably drive an OLED display plus a heart-rate sensor cluster.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC24FJ128GB202T-I/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC24FJ128GB202-I/SO | PIC24FJ128GB202-E/SO | PIC24FJ128GB202T-I/MM | PIC24FJ128GB202T-I/SS | PIC24FJ64GB002-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-QFN (6x6 mm) - verify footprint | 28-SSOP (5.30 mm) - narrower body | 28-SOIC (7.50 mm) - same |
| Program Memory (Flash) | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB-OTG | Yes (Host + Device) | Yes | Yes | Yes | Yes | Yes |
| Crypto Engine | AES/3DES/SHA-1/MD5 + RNG | AES/3DES/SHA-1/MD5 + RNG | AES/3DES/SHA-1/MD5 + RNG | AES/3DES/SHA-1/MD5 + RNG | AES/3DES/SHA-1/MD5 + RNG | AES/3DES/SHA-1/MD5 + RNG |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging Format | Tape & Reel | Tray | Tube/Tray | Tape & Reel | Tape & Reel | Tube/Tray |
Ключевые отличия
- Integrated hardware crypto engine with secure key storage (против PIC24FJ128GA202-I/SS)
- Full USB-OTG Host + Device support on-die (против PIC24FJ128DA110-I/PT)
- nanoWatt XLP deep sleep at 20 nA typical (против PIC24FJ64GB002-I/SO)
Заметки по проектированию
Estimated: at 32 MHz CPU, USB active, and all peripherals enabled, VDD current is approximately 25 mA from a 3.3V rail. Bulk-decouple VDD with a 10 uF ceramic + 100 nF pair within 5 mm of pins 10 and 20; AVDD shares the same rail when analog inputs are unused. For battery-powered designs, use nanoWatt XLP sleep mode to drop quiescent current to 20 nA typical per the Microchip datasheet. Route VUSB to VDD through a ferrite bead to isolate USB cable noise from the digital rail.
Place the 32.768 kHz crystal and its load capacitors (typically 6-10 pF) within 5 mm of pins RA6/OSC2 and RA7/OSC1 to minimize parasitic capacitance and RTCC drift. For USB-OTG, route the D+/D- differential pair (RC4/RC5) as a 90-ohm differential trace with matched lengths and a ground reference plane on layer 2; keep total length under 50 mm to meet USB 2.0 Full-Speed signal integrity. Provide a 100 nF + 4.7 uF decoupling cluster at the VBUS pin if host mode is used.
Do not confuse the 'GB' suffix (crypto + USB-OTG) with the 'GA' suffix (no crypto, USB only) - the pinouts and peripheral maps differ. The 'T' suffix only indicates tape-and-reel; it does NOT mean a different temperature grade. Programming pins PGD (RB0) and PGC (RB1) must be accessible for in-system programming via MPLAB ICD; do not hard-tie them to VDD without a series resistor. The crypto engine requires the PIC24FJ128GB2x family header file (p24FJ128GB202.h) and the MLA library for AES/DES API calls.
Информация о соответствии
RoHS and lead-free confirmed per Microchip product page and distributor listings. AEC-Q100 not applicable - this is a general-purpose 16-bit MCU, not automotive-qualified; use PIC24FJ family -I automotive parts for vehicle applications. REACH compliance per Microchip product environmental documentation.
