PIC32MX550F256H-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC32MX550F256H-I/PT is a 32-bit MIPS-based microcontroller running at up to 50 MHz with 256 kB flash program memory and an integrated 12-bit ADC. It supports USB, CAN, and SPI peripherals for connectivity-rich embedded designs. Packaged in a 64-pin TQFP for surface-mount assembly on compact control boards.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX550F256H-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.7300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit MIPS32 M4K core running at 50 MHz delivering up to 50 DMIPS of processing performance
- 256 kB flash program memory plus 3 kB boot flash for robust field-programmable firmware storage
- Integrated USB 2.0 Full-Speed OTG and CAN 2.0B peripherals for connectivity without external controller ICs
- 12-bit ADC with multiple input channels enabling precision analog signal acquisition in embedded sensing applications
- JTAG and boundary scan support for in-circuit testing and debug in 64-pin TQFP production assemblies
Applications
The PIC32MX550F256H-I/PT is used in industrial automation controllers and HMI panels where a 32-bit processor with USB host capability and 256 kB program storage is required for real-time control and user interface management. It serves automotive accessory and off-road vehicle diagnostic modules that leverage the integrated CAN 2.0B peripheral for direct bus communication without an external transceiver controller. The device is also deployed in portable medical and laboratory instruments that combine ADC-based sensor acquisition with USB data transfer to a host PC.
Specifications
| Manufacturer Package Code | TQFP-64 |
| Factory Lead Time | 8Weeks |
| Date Of Intro | 2016-04-14 |
| YTEOL | 14 |
| Has ADC | YES |
| Additional Feature | 3KB BOOT FLASH AVAILABLE |
| Address Bus Width | 16 |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | PIC32 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 49 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 32 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP64,.47SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 32768 |
| RAM (words) | 8192 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 50MHz |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC32MX550F256H-I/PT:
32 Bit MCU, 256KB Flash, 32KB RAM, 50MHz, 64Pin, USB, 3 Comp, CTMU, RTCC
RISC Microcontroller, 32-Bit, FLASH, PIC32 CPU, 50MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, PIC32 CPU, 50MHz, CMOS, PQFP64
Frequently Asked Questions
What clock speed and core architecture does the PIC32MX550F256H-I/PT use, and how does that translate to real-world throughput?
The PIC32MX550F256H-I/PT uses a MIPS32 M4K core clocked at up to 50 MHz, delivering approximately 50 DMIPS of integer compute throughput. The 8-stage pipeline and Harvard memory architecture allow simultaneous instruction fetch and data access, enabling control loops and signal processing tasks to execute in under 1 µs per iteration in typical embedded firmware.
Which on-chip communication peripherals does the PIC32MX550F256H-I/PT provide for connected embedded designs?
The PIC32MX550F256H-I/PT integrates USB 2.0 Full-Speed On-The-Go (OTG), CAN 2.0B, multiple SPI and I2C ports, and UART interfaces. The combination of USB and CAN on a single 64-pin TQFP device eliminates two external controller ICs from the BOM, reducing board area and bill-of-materials cost in automotive and industrial gateway designs.
How much flash and RAM does the PIC32MX550F256H-I/PT offer, and is it enough for real-time operating systems?
The device provides 256 kB of flash program memory and 64 kB of SRAM, plus a dedicated 3 kB boot flash region. This memory configuration is sufficient for lightweight RTOS kernels such as FreeRTOS with a typical 10 kB to 30 kB footprint, leaving over 200 kB for application code and sensor data buffers in data-logging or control applications.
For a motor control or industrial sensor board, what advantages does the 64-pin TQFP package of the PIC32MX550F256H-I/PT offer over smaller footprint alternatives?
The 64-pin TQFP package provides access to a full complement of GPIO, ADC inputs, communication ports, and timers needed for multi-axis motor control or multi-channel sensor acquisition. The 10 mm x 10 mm TQFP-64 body with 0.5 mm pitch is compatible with standard automated SMT assembly lines and allows hand-soldering for prototype rework, whereas smaller QFN packages with exposed pads require reflow ovens or hot-air rework stations for reliable solder joints.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.3630 | $5.36 |
| 15+ | $5.0411 | $75.62 |
| 25+ | $4.7824 | $119.56 |
| 100+ | $4.4500 | $445.00 |
| 1000+ | $4.1100 | $4110.00 |
| 1120+ | $3.7300 | $4177.60 |
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