DSPIC33EP256GP504T-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The DSPIC33EP256GP504T-I/ML is a 16-bit digital signal controller with 256KB flash, 32KB RAM, and 60 MHz clock in a 44-pin QFN package. It integrates on-chip op-amps, hardware barrel shifter, and boundary scan for motor control and power conversion. In stock worldwide for industrial DSC applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Category
- Integrated Circuit
- Price
- From $3.7200(MOQ 100)
- 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 DSC core running at 60 MHz with 256KB flash and 32KB RAM for real-time control algorithms without external memory
- Integrated on-chip op-amps enabling direct analog signal conditioning within the 44-pin QFN footprint, reducing external component count
- Hardware barrel shifter and fixed-point DSP engine accelerate motor control and power conversion math at 60 MIPS throughput
Applications
The DSPIC33EP256GP504T-I/ML is optimized for brushless DC and PMSM motor drives, digital power converters, and solar inverter control where real-time 60 MHz DSP performance is needed alongside integrated analog front ends. Its on-chip op-amps support direct connection to current sense resistors and resolver feedback circuits in motor control applications, eliminating a discrete analog stage. The 44-pin QFN package makes it suitable for compact variable-frequency drives, UPS systems, and industrial robotics controllers.
Specifications
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 14 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| Clock Frequency-Max | 60MHz |
| Format | FIXED POINT |
| Integrated Cache | NO |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 3 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.32SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Supply Current-Max | 55mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 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 | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum CPU clock frequency and how much on-chip memory does DSPIC33EP256GP504T-I/ML provide?
The DSPIC33EP256GP504T-I/ML operates at up to 60 MHz with 256KB of on-chip flash for program storage and 32KB of RAM for data and real-time control variables. At 60 MIPS throughput, this is sufficient to execute field-oriented control (FOC) algorithms for BLDC motor drives, including Park and Clarke transforms, PID loops, and PWM generation within a single CPU cycle budget.
How do the integrated op-amps in DSPIC33EP256GP504T-I/ML simplify motor current sensing circuit design?
The on-chip op-amps in DSPIC33EP256GP504T-I/ML allow direct amplification of shunt resistor voltage signals in the range of a few millivolts before ADC conversion, removing the need for external discrete op-amp ICs in 3-phase current feedback paths. This integration saves at least 2 to 3 external components per current sense channel, reducing BOM cost and PCB area in 44-pin QFN motor drive designs.
For a compact 3-phase inverter design, what advantages does the 44-pin QFN package of DSPIC33EP256GP504T-I/ML offer over a 64-pin TQFP version?
The 44-pin QFN package of DSPIC33EP256GP504T-I/ML occupies approximately 6mm x 6mm of PCB area with a 0.5mm lead pitch, compared to roughly 10mm x 10mm for a 64-pin TQFP, reducing controller footprint by over 60%. The exposed thermal pad in QFN also improves thermal dissipation during high-frequency PWM switching at 60 MHz, keeping junction temperature within the -40°C to +85°C industrial operating range without an external heatsink.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $4.2500 | $425.00 |
| 1000+ | $3.9000 | $3900.00 |
| 5000+ | $3.7200 | $18600.00 |
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