PIC32MX250F128B-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC32MX250F128B-I/SO is a 32-bit PIC32 microcontroller by Microchip with 40 MHz clock, 128 KB Flash, integrated ADC, and DMA support in a 28-pin SOIC package. It offers MIPS32 performance with peripheral-rich connectivity. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX250F128B-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.5600(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 core at up to 40 MHz for high-performance embedded control
- 128 KB Flash program memory with DMA channels for efficient data transfers
- Integrated 10-bit ADC for analog signal acquisition in sensor-driven applications
- Boundary scan (JTAG) support enabling in-circuit debugging and production testing
- 28-pin SOIC package suitable for compact industrial and consumer PCB designs
Applications
The PIC32MX250F128B-I/SO is suited for USB-enabled embedded systems, motor control panels, and HMI interfaces requiring 32-bit MIPS performance at 40 MHz with a compact footprint. Its DMA channels and ADC allow simultaneous data acquisition and processing without CPU intervention, improving throughput in data logging and sensor fusion applications. Consumer electronics, industrial automation nodes, and communication gateway designs also benefit from its peripheral-rich architecture in a 28-pin SOIC package.
Specifications
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| YTEOL | 13 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | PIC32 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 6 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 19 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| RAM (words) | 32768 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 37mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC32MX250F128B-I/SO:
suggested
suggested
suggested
RISC Microcontroller, 32-Bit, FLASH, PIC32 CPU, 40MHz, CMOS, PDSO28
Frequently Asked Questions
How much Flash and RAM does PIC32MX250F128B-I/SO provide for firmware and runtime data storage?
The PIC32MX250F128B-I/SO integrates 128 KB of Flash program memory and 32 KB of SRAM for runtime data storage. This combination supports moderately complex firmware including USB stacks, communication protocols, and signal processing routines. The DMA controller further offloads data movement from the 40 MHz MIPS32 CPU, leaving more cycles available for application logic.
Which USB device class designs can the PIC32MX250F128B-I/SO support with its built-in USB peripheral?
The PIC32MX250F128B-I/SO includes an on-chip USB 2.0 full-speed peripheral capable of implementing CDC (virtual COM port), HID (keyboard, mouse), and MSD (mass storage) device classes. Running at 40 MHz with 128 KB Flash, it can host Microchip USB library stacks for data transfer at up to 12 Mbps, enabling low-cost USB instrument interfaces, programming tools, and data loggers.
For a compact industrial sensor node, what advantages does the SOIC-28 package of PIC32MX250F128B-I/SO offer over a larger TQFP package?
The SOIC-28 package measures approximately 17.9 x 7.5 mm with 1.27 mm pin pitch, making it compatible with standard SOIC footprints and simple 2-layer PCB routing. Compared to a 44-pin TQFP, the 28-pin SOIC reduces the number of I/O pads to manage while still delivering 32-bit 40 MHz performance with ADC and DMA, lowering assembly cost for low-volume industrial sensor nodes.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.8800 | $4.88 |
| 27+ | $4.2820 | $115.61 |
| 100+ | $4.0600 | $406.00 |
| 1000+ | $3.7400 | $3740.00 |
| 5000+ | $3.5600 | $17800.00 |
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