DSPIC33EP128MC504T-E/PT - 16-Bit 60 MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33EP128MC504T-E/PT ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EP128MC504T-E/PT Overview
A digital signal controller combines the control peripherals of a microcontroller with the mathematical throughput of a DSP engine. In the power-management hierarchy, the dsPIC33EP sits above general-purpose 8-bit and 16-bit MCUs and alongside dedicated DSPs: it executes single-cycle MAC and DSP instructions while retaining deterministic interrupt behavior, making it a single-chip solution for digitally controlled power conversion and motion systems that would otherwise need a separate MCU plus DSP.
Key features include the 60 MIPS dsPIC33E core, a 3-wire SPI, I2C, UART, and CAN 2.0B connectivity set, quadrature encoder interface (QEI) inputs, and high-speed PWM peripherals purpose-built for motor control. The E-grade temperature rating extends operation to +125C, allowing placement in harsh automotive and industrial enclosures without external thermal mitigation.
Architecturally, the device pairs an enhanced Harvard-architecture pipeline with hardware DSP multiply-accumulate units, enabling field-oriented control (FOC) loops for PMSM and BLDC motors to run at tens of kilohertz entirely in silicon. The CAN module supports automotive and industrial fieldbus networks, while IrDA and LINbus support broadens telematics and body-electronics use.
Typical applications include brushless DC and PMSM motor drives for appliances and e-mobility, digital power supplies and inverters, and automotive auxiliary systems such as pumps and actuators, where the 60 MIPS core and 125C rating directly address the control bandwidth and ambient requirements.
For design, budget the 3.0V to 3.6V supply domain and use Microchip's Motor Control GUI or MPLAB X IDE with the dsPIC33EP family device support packs for configuration and code generation; verify all pin-level details against the manufacturer datasheet before layout.
This page synthesizes verified distributor data, same-family drop-in alternatives, application guidance, and FAQ content not found on a single manufacturer or distributor page.
Drop-in alternatives for DSPIC33EP128MC504T-E/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33EP128MC504T-E/PT (same form factor and footprint) — differing in Operating Temperature, Packaging, Maximum CPU Speed, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC504-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP128MC504T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.78 / Unit
View Datasheet →DSPIC33EP64MC504T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.5 / Unit
View Datasheet →DSPIC33EP256MC504T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GM304T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP128MC504T-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 60 MIPS |
| Program Memory (FLASH) | 128 KB (43K x 24) |
| RAM | 8 KB |
| Package | 44-TQFP (10 x 10 mm), 0.8 mm pitch |
| Operating Temperature | -40C to +125C |
| Mounting Type | Surface Mount |
| Connectivity | CANbus, I2C, IrDA, LINbus, QEI, SPI, UART/USART |
| Qualification | AEC-Q100 qualified |
| Technology | CMOS |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
| Series | dsPIC 33EP |
DSPIC33EP128MC504T-E/PT 44-tqfp (10 x 10 mm), 0.8 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EP128MC504T-E/PT (44-tqfp (10 x 10 mm), 0.8 mm pitch package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33EP128MC504T-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC504T-E/PT is suitable for 6 applications: BLDC / PMSM Motor Drives, Automotive Auxiliary Actuators and Pumps, Digital Power Supplies and Inverters, Industrial Automation and Robotics, E-mobility and Light Electric Vehicles, Consumer Appliance Motor Control.
BLDC / PMSM Motor Drives
The DSPIC33EP128MC504T-E/PT is purpose-built for precision motor control: its 60 MIPS dsPIC33E core with single-cycle DSP MAC instructions executes field-oriented control (FOC) loops at switching frequencies of tens of kilohertz, while the high-speed PWM module delivers the resolution and dead-time control needed for three-phase inverters. The integrated quadrature encoder interface reads rotor position directly without an external decoder. In an appliance or e-mobility drive, the DSC closes the current loop in hardware-timed ISR paths while managing CAN or UART communication with the system host on the same die. The E-grade -40C to +125C rating allows mounting near motors and power stages in high-ambient enclosures. Estimate: PWM dead-time and control bandwidth should be verified against the specific inverter topology using the family datasheet figures.
Recommended
Automotive Auxiliary Actuators and Pumps
AEC-Q100 qualification and the -40C to +125C operating range make the DSPIC33EP128MC504T-E/PT suitable for automotive auxiliary systems such as coolant pumps, fuel pumps, HVAC blowers, throttle actuators, and window lifts. The integrated CAN 2.0B module connects the actuator node to vehicle networks without an external CAN transceiver-controller pair, and LINbus/IrDA support covers body-electronics subnets. The 128 KB FLASH accommodates sensorless motor-control algorithms, diagnostics, and UDS-style service routines in a single image. Because the part is offered in tape and reel (T suffix), it feeds directly into automotive pick-and-place assembly lines. Designers should confirm end-equipment qualification requirements beyond the component-level AEC-Q100 certificate per Microchip USA's product documentation.
Recommended
Digital Power Supplies and Inverters
For digitally controlled AC-DC and DC-DC converters, the DSPIC33EP128MC504T-E/PT provides the 60 MIPS throughput needed for voltage-mode and current-mode control laws at 100 kHz-plus switching frequencies, with DSP instructions accelerating PI/PID and compensator calculations. The high-speed PWM peripheral supports complementary outputs, programmable dead time, and adaptive duty resolution, which are prerequisites for LLC, phase-shifted full-bridge, and totem-pole PFC stages. UART or CAN links expose telemetry and PMBus-style supervisory commands to a host controller. The 8 KB RAM holds state variables and fault buffers for transient analysis. Unlike analog controllers, firmware control allows field updates and nonlinearity compensation; the trade-off is that loop latency must be budgeted in the compensation design, so verify ISR timing against the datasheet instruction timings.
Recommended
Industrial Automation and Robotics
In factory automation, the DSPIC33EP128MC504T-E/PT serves as an embedded motion or process controller: the QEI interface decodes incremental encoder feedback from servo axes, SPI and I2C connect local sensors and drivers, and CAN links the node into industrial fieldbus networks. The 60 MIPS DSP core runs trajectory interpolation, vibration compensation, and sensor-fusion filters that a general-purpose 16-bit MCU would struggle to schedule deterministically. Its -40C to +125C rating tolerates panel-mounted enclosures next to drives and power electronics, and the 128 KB FLASH retains multiple control profiles or a bootloader plus application in one device. Tape-and-reel packaging supports high-volume SMT assembly for OEM automation products. Layout care on PWM return paths preserves encoder signal integrity in noisy cabinets.
Recommended
E-mobility and Light Electric Vehicles
E-bikes, scooters, and light EV traction or accessory drives benefit from the DSPIC33EP128MC504T-E/PT's combination of sensorless FOC capability, CAN connectivity for vehicle communication, and AEC-Q100 qualification. The 60 MIPS core executes position-observer algorithms (such as sliding-mode or flux observers) in real time, enabling sensorless startup and smooth torque control without Hall sensors, reducing system cost. The 128 KB FLASH stores multiple ride-mode maps and safety routines, while the -40C to +125C range survives battery-compartment and controller-board temperature extremes. UART links support display/dashboard communication where CAN is not used. Battery-powered designs should note the DSC operates from the standard 3.3V logic domain; input 0.00 pricing tiers indicate quote-based ordering for production volumes on this page.
Recommended
Consumer Appliance Motor Control
Washing machines, dishwashers, refrigerators, fans, and power tools use the DSPIC33EP128MC504T-E/PT to run BLDC and universal-motor drives with sensorless control, replacing less efficient triac-based designs. The 60 MIPS core and DSP MAC units implement flux observers and torque ripple compensation that cut acoustic noise and improve energy efficiency, aligning with energy-star style appliance targets. The 44-TQFP 10 x 10 mm footprint fits compact appliance control boards, and the 128 KB FLASH hosts the drive firmware plus housekeeping code such as cycle sequencing and fault logging. The extended -40C to +125C rating provides margin near compressor and heating elements. Because appliance volumes are large, tape-and-reel supply (T suffix) directly supports automated SMT lines; prototype developers can use the tray-packaged DSPIC33EP128MC504-E/PT equivalent.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC504T-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC504-E/PT | DSPIC33EP128MC504T-I/PT | DSPIC33EP64MC504T-I/PT | DSPIC33EP256MC504T-I/PT | DSPIC33EP128GM304T-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Program Memory | 128 KB (43K x 24) | 128 KB | 128 KB | 64 KB | 256 KB | 128 KB class |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Extended temperature and automotive qualification (vs DSPIC33EP128MC504T-I/PT)
- Full 128 KB FLASH within the same footprint (vs DSPIC33EP64MC504T-I/PT)
- Tape-and-reel production packaging (vs DSPIC33EP128MC504-E/PT)
Design Notes
The dsPIC33EP family operates from a 3.0V to 3.6V supply domain (nominal 3.3V). Decouple each VDD/VSS pair with 0.1 uF ceramics placed within 2-3 mm of the pins, and provide bulk capacitance near the 44-TQFP. In motor-drive boards, separate the digital ground of the DSC from the power-stage return, tying them at a single point to prevent PWM switching currents from corrupting ADC reference and encoder signals. Verify exact supply and brown-out figures in the manufacturer datasheet before finalizing the power tree.
For the 44-TQFP (PT) 0.8 mm pitch footprint, fan out PWM outputs away from crystal/oscillator traces and QEI encoder inputs. Route CAN and UART as differential/paired traces with controlled stubs, and keep theProgramming (PGC/PGD) header accessible for ICSP debugging. A solid ground plane under the device reduces EMI from the 60 MIPS core and high-speed PWM edges; this is standard practice in Microchip motor-control reference designs for the dsPIC33EP MC series.
Do not confuse the E-grade (-40C to +125C) part with the I-grade (-40C to +85C) DSPIC33EP128MC504T-I/PT when the BOM demands automotive or 125C ambient operation - the I-grade part will be outside specification in under-hood conditions. Also confirm the T (tape-and-reel) suffix for production lines; ordering the tray variant breaks automated feeder setups. Finally, verify FLASH partition and configuration-word settings after migrating from smaller dsPIC33EP parts, as memory-size variants change device ID and configuration addresses.
Compliance Information
AEC-Q100 qualification and RoHS-compliant lead-free CMOS construction stated by Microchip USA product listing. REACH, halogen-free, and conflict-minerals status not stated in provided data.
