PIC24FJ128GU405-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
The PIC24FJ128GU405-I/PT is a 16-bit PIC24 microcontroller from Microchip with 128 KB flash, 48 MHz maximum clock, and a 12-channel 10-bit ADC. It integrates USB, multiple serial interfaces, and peripheral touch controller support in a compact TQFP-48 package. Targeted at USB-enabled HMI, sensor node, and embedded control applications requiring mid-range processing and mixed-signal capability.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- PIC24FJ128GU405-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 16-bit PIC24 core running up to 48 MHz for responsive embedded control
- 128 KB flash program memory supporting complex firmware in a single chip
- 12-channel 10-bit ADC for versatile multi-sensor analog acquisition
- Integrated USB controller enabling native USB HID, CDC, or custom class device implementations
Applications
The PIC24FJ128GU405-I/PT is well-suited for USB-connected HMI devices, handheld test instruments, and smart home sensor nodes requiring low-power 16-bit processing. Its combination of 128 KB flash, USB, and 12-channel ADC allows developers to implement USB data logging, capacitive touch interfaces, and multi-channel analog sensing within a single 48-pin package. The TQFP-48 footprint balances I/O density with a manageable PCB layout for compact industrial and consumer product designs.
Specifications
| Manufacturer Package Code | TQFP-48 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 2020-06-02 |
| YTEOL | 18 |
| Has ADC | YES |
| Additional Feature | ITS ALSO AVAILABLE WITH 12-CH 10-BIT ADC |
| Bit Size | 16 |
| Boundary Scan | NO |
| CPU Family | PIC24 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 6 |
| Number of External Interrupts | 4 |
| Number of I/O Lines | 38 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 24 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| RAM (bytes) | 32768 |
| RAM (words) | 32768 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC24FJ128GU405-I/PT:
RISC Microcontroller, 16-Bit, FLASH, PIC24 CPU, 32MHz, CMOS, PQFP48
Frequently Asked Questions
What flash memory and clock speed does the PIC24FJ128GU405-I/PT provide for embedded firmware complexity?
The PIC24FJ128GU405-I/PT includes 128 KB of flash program memory and a maximum clock frequency of 48 MHz, which together support moderately complex firmware including USB stacks, multi-task schedulers, and signal processing loops. At 48 MHz, the 16-bit PIC24 core executes up to 24 million instructions per second, giving designers ample headroom for protocol handling alongside ADC sampling.
Which USB application classes can the PIC24FJ128GU405-I/PT support without external USB controller ICs?
The PIC24FJ128GU405-I/PT integrates a full-speed USB 2.0 controller that natively supports HID, CDC (virtual COM port), mass storage, and vendor-specific custom device classes. Microchip's Harmony USB middleware runs on this device, allowing developers to implement USB-connected data loggers, USB keyboards, or instrument control interfaces without any external USB transceiver or bridge chip beyond the required 3.3 V supply and D+/D- lines.
How does selecting the TQFP-48 package variant of the PIC24FJ128GU405-I/PT affect PCB layout complexity compared to smaller packages?
The TQFP-48 package has a 0.50 mm lead pitch and a 7 mm × 7 mm body, exposing 48 pins with enough I/O for USB, multiple UART/SPI/I2C interfaces, and 12 ADC channels simultaneously. Smaller QFN or DIP alternatives in this MCU family sacrifice some peripheral pins, so TQFP-48 is preferred when all peripherals must be active concurrently, accepting the trade-off of slightly more complex manual soldering or stencil printing.
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