PIC32MX170F256D-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
32-bit PIC32 microcontroller with 256KB Flash, 3KB Boot Flash, and up to 50 MHz MIPS core in a QFN-44 package. Features ADC, boundary scan, and rich peripheral set for embedded control. Available from stock worldwide with fast worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX170F256D-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.8500(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
- 50 MHz MIPS M4K core with 256KB Flash delivers high-throughput processing for real-time embedded control
- 3KB dedicated Boot Flash supports secure field firmware updates without overwriting application code
- Boundary scan (JTAG) support accelerates in-circuit debug and production board testing
Applications
The PIC32MX170F256D-I/ML is designed for embedded control applications that require 32-bit performance in a compact footprint, including human-machine interfaces, industrial controllers, and USB peripheral devices. Its 50 MHz MIPS core and 256KB of Flash provide ample resources for audio processing, graphical menus, and TCP/IP stacks. The QFN-44 package suits space-constrained PCBs in consumer electronics, medical monitoring equipment, and IoT gateway devices.
Specifications
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 7Weeks |
| YTEOL | 13 |
| Has ADC | YES |
| Additional Feature | THIS DEVICE FEATURES 3KBYTE OF BOOT FLASH MEMORY |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | PIC32 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 35 |
| 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 Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 65536 |
| RAM (words) | 65536 |
| ROM (words) | 262144 |
| 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 | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
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 PIC32MX170F256D-I/ML:
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Frequently Asked Questions
How much program memory does the PIC32MX170F256D-I/ML provide and what application complexity does that support?
The PIC32MX170F256D-I/ML includes 256KB of Flash program memory plus a dedicated 3KB Boot Flash region. This is sufficient to run a mid-sized RTOS such as FreeRTOS alongside a USB stack and a small TCP/IP library, supporting firmware images up to approximately 250KB of usable application space.
At 50 MHz, which real-time tasks can the PIC32MX170F256D-I/ML handle that a comparable 8-bit MCU cannot?
Running at 50 MHz with a 32-bit MIPS M4K core, the PIC32MX170F256D-I/ML can execute DSP-class algorithms such as 1024-point FFT analysis, proportional-integral-derivative (PID) control loops at 10 kHz sample rates, and JPEG image decompression—tasks that exceed the throughput of 8-bit MCUs limited to 20 MHz and 8-bit data paths.
Does the PIC32MX170F256D-I/ML support field firmware updates and what Boot Flash capacity enables this?
Yes. A dedicated 3KB Boot Flash region holds the bootloader independently from application code, allowing over-the-air or USB firmware updates without the risk of overwriting the bootloader itself. This architecture supports fail-safe dual-partition update schemes common in IoT and industrial products requiring 99.9% uptime.
When would a designer choose the PIC32MX170F256D-I/ML over a lower-cost PIC16 device for motor control?
A designer would choose the PIC32MX170F256D-I/ML when the motor control algorithm requires floating-point PID with 32-bit precision, closed-loop update rates above 5 kHz, or concurrent USB logging—tasks that saturate an 8-bit PIC16 at 20 MHz with only 8 channels of 10-bit ADC. The 32-bit architecture handles multi-axis coordination within a single device.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.3100 | $5.31 |
| 5+ | $5.0500 | $25.25 |
| 25+ | $4.7300 | $118.25 |
| 100+ | $4.3400 | $434.00 |
| 1000+ | $4.0600 | $4060.00 |
| 5000+ | $3.8500 | $19250.00 |
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