DSPIC33EP128GP504-E/MV - 16-bit 60 MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33EP128GP504-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.55 | $6.55 |
| 10 | $5.92 | $59.20 |
| 100 | $5.2 | $520.00 |
| 500 | $4.75 | $2,375.00 |
| 1,000 | $4.3 | $4,300.00 |
DSPIC33EP128GP504-E/MV Overview
A Digital Signal Controller combines the compute architecture of a microcontroller with the arithmetic acceleration of a DSP. Within the power-management hierarchy of embedded systems, the DSC sits above general-purpose MCUs and below application processors, providing deterministic real-time control with single-cycle MAC and DSP instructions. Microchip's dsPIC33E family is a direct successor to the dsPIC30F/33F lines, fabricated on a CMOS process with an enhanced pipeline core.
Key differentiating features include the Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing, a CAN 2.0B module for industrial networking, integrated op amps and comparators that offload external analog components, and high-speed PWM modules suited to digital power conversion and motor control. The CTMU (Charge Time Measurement Unit) enables capacitive touch and precise time measurement.
Architecturally, the device pairs a 16-bit CPU with a 24-bit instruction word, a barrel shifter, multiple internal bus architectures, and boundary-scan (JTAG) debug support. The general-purpose (GP) peripheral set balances analog integration and serial connectivity, and the family extends to 512 KB Flash and 48 KB SRAM for code-scalable designs.
Typical applications include digital power supplies (PFC, LLC), BLDC/PMSM motor drives using the high-speed PWM, industrial sensor nodes leveraging the CAN interface, and general-purpose control systems where the extended 125C temperature option improves thermal margin.
Design consideration: the device operates from a 3.0V to 3.6V single supply, so level-shifting is required for 5V peripheral interfaces; budget the 48-UQFN thermal pad for ground pour to aid heat spreading at 60 MIPS.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP128GP504-E/MV — 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 DSPIC33EP128GP504-E/MV (same form factor and footprint) — differing in Package, Operating Temperature, Core, CAN, Program Memory Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP256GP504-E/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.98 / Unit
View Datasheet →DSPIC33EP64GP504-E/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.85 / Unit
View Datasheet →DSPIC33EP128GP504-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.02 / Unit
View Datasheet →DSPIC33EP128GP504-E/MV Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit |
| Max CPU Speed | 60 MIPS |
| Max Clock Frequency | 60 MHz |
| Program Memory Size | 128 KB (43K x 24) Flash |
| RAM Size | 16 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Package | 48-UQFN (6x6 mm) |
| Operating Temperature | -40C to +125C (Extended, E) |
| CAN | Yes (2.0B) |
| Op Amps (integrated) | Yes |
| Comparators | Yes |
| Peripheral Trigger Generator (PTG) | Yes |
| High-Speed PWM | Yes |
| CTMU | Yes |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lifecycle Status | In Production |
DSPIC33EP128GP504-E/MV 48-uqfn (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP128GP504-E/MV (48-uqfn (6x6 mm) 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 DSPIC33EP128GP504-E/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128GP504-E/MV is suitable for 6 applications: Digital Power Supplies, BLDC and PMSM Motor Control, Industrial CAN Networking Nodes, Capacitive Touch and CTMU Measurement, Portable and Battery-Powered Instrumentation, Automotive-Adjacent and Harsh-Environment Control.
Digital Power Supplies
The DSPIC33EP128GP504-E/MV fits digital power conversion because its high-speed PWM module supports complementary outputs, dead-time insertion, and high resolution, while the 60 MIPS core closes voltage and current loops in real time. The integrated op amps condition current-shunt signals without external amplifiers, and comparators provide cycle-by-cycle overcurrent protection with sub-microsecond response. Deployed between the feedback divider and the power stage gate drivers, the controller executes average-current-mode control for PFC, LLC, or buck stages. The trade-off versus a dedicated digital power IC is firmware effort; versus an analog controller, it gains programmability, adaptive compensation, and telemetry over the CAN or UART interfaces.
Recommended
BLDC and PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33EP128GP504-E/MV pairs its 60 MIPS dsPIC33E core with high-speed PWM for six-step or field-oriented-control commutation. The on-chip op amps amplify low-side shunt currents for FOC torque control, and comparators implement hardware overcurrent trips independent of software latency. The extended -40C to +125C rating tolerates the elevated ambient near motor driver stages. In a typical drive, the controller generates three complementary PWM pairs with dead time, reads hall or encoder feedback, and reports status over CAN. Compared with a general-purpose MCU, the DSP instruction set reduces FOC loop execution time significantly.
Recommended
Industrial CAN Networking Nodes
The integrated CAN 2.0B controller makes the DSPIC33EP128GP504-E/MV a natural node processor for industrial fieldbus systems such as CANopen-based automation networks. The 128 KB Flash accommodates a full protocol stack plus application logic, and the PTG automates ADC sampling sequences to free CPU bandwidth for communication handling. The -40C to +125C operating range suits sealed control cabinets and vehicle-adjacent environments. Placed on a 3.3V rail with an external CAN transceiver, the node samples sensors at fixed rate via the PTG-triggered ADC and publishes telemetry on the bus; the 16 KB RAM buffers message objects and DMA traffic without external memory.
Recommended
Capacitive Touch and CTMU Measurement
The CTMU (Charge Time Measurement Unit) on the DSPIC33EP128GP504-E/MV enables precise capacitive touch sensing and time-of-flight style measurements without a dedicated touch controller. The CTMU sources a constant current to charge external electrodes while a timer measures the interval, detecting fractional-picofarad changes from finger proximity. The 60 MIPS core runs debounce and multitouch algorithms, while the extended temperature rating keeps sensing accuracy stable across industrial environments. In a typical panel, the multiplexed analog channels scan up to dozens of keys under PTG or timer control, and detection thresholds adapt to drift. Compared with discrete touch ICs, the integrated approach saves BOM cost and PCB area.
Recommended
Portable and Battery-Powered Instrumentation
Although the dsPIC33E family is control-oriented, the DSPIC33EP128GP504-E/MV suits battery-powered handheld instruments through its low-power management modes, on-chip op amps for sensor conditioning, and 12-bit ADC sampling under PTG control. In a typical data-logger front end, the integrated op amp buffers a bridge or electrode signal directly, cutting an external amplifier, and the DSP core applies digital filtering to readings before storage or UART/CAN transmission. The 3.0-3.6V supply matches a single lithium cell with an LDO, and the 48-UQFN (6x6 mm) footprint keeps the board compact. Sleep and idle modes drop average current for multi-month battery life in intermittently sampling instruments.
Recommended
Automotive-Adjacent and Harsh-Environment Control
The -40C to +125C Extended grade and CAN 2.0B interface position the DSPIC33EP128GP504-E/MV for harsh-environment controllers such as agricultural equipment accessories, industrial HVAC boards, and off-highway auxiliary systems (non-safety-critical, non-AEC-Q100-qualified applications). The high-speed PWM drives pumps and fan motors, the comparators guard against stall or overcurrent faults, and the CAN link reports diagnostics to a vehicle or machine gateway. Executing control and communication on one 60 MIPS controller consolidates the BOM compared with MCU-plus-DSP two-chip solutions. Designers must derate for self-heating near the 125C limit and confirm qualification requirements independently, since this part is not AEC-Q100 certified.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128GP504-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP256GP504-E/MV | DSPIC33EP64GP504-E/MV | DSPIC33EP128GP504-I/MV |
|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB | 256 KB | 64 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Max CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C |
| CAN / PTG / Op Amps | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
Key Differentiators
- Extended 125C temperature grade at standard cost (vs DSPIC33EP128GP504-I/MV)
- Flash scalability without PCB change (vs DSPIC33EP256GP504-E/MV)
- Integrated analog (op amps + comparators + CTMU) in a DSC (vs generic 16-bit MCU alternatives)
Design Notes
Supply the DSPIC33EP128GP504-E/MV from a clean 3.3V rail within the 3.0V-3.6V window. Decouple each VDD/VDDCORE pin pair with 100 nF ceramic capacitors placed within 2 mm of the pins, plus one 10 uF bulk capacitor per rail. Follow Microchip's package-specific power connection diagram in the datasheet exactly - VDDCORE sequencing and the on-chip regulator requirements differ from PIC24F devices, and incorrect decoupling on the core rail is a common cause of erratic oscillator behavior at 60 MIPS.
The 48-UQFN (6x6) has a center exposed pad that must be soldered to a grounded pour. Use a 4x4 via array under the pad to the ground plane for both electrical return and heat spreading - estimated: at 60 MIPS the core draws tens of mA; with roughly 3.3V supply, dissipation is on the order of 100-200 mV-range rail currents, modest, but the pad also anchors the die mechanically. Verify the exact pin-1 chamfer orientation against the datasheet pinout diagram before panelizing.
Do not confuse the -E (Extended, 125C) and -I (Industrial, 85C) grades when cost-optimizing; substituting -I in a 95C enclosure violates the rating. Also note this is a 3.3V-only device: 5V-tolerant claims do not apply to all pins, so level-shift 5V sensor outputs. Finally, recompile and re-verify peripheral configuration when porting code between GP502/GP504 family members - pin mapping of peripherals through the PPS (peripheral pin select) differs by package.
The high-speed PWM outputs switching at tens to hundreds of kHz drive significant di/dt into gate-driver loads. Keep PWM traces short and route them away from the analog front end feeding the integrated op amps. Use the ADC trigger synchronization from the PWM module (available via the PTG or PWM trigger) so that current sampling occurs away from switching edges - this single technique typically removes most switching-induced sampling noise in digital power layouts.
Compliance Information
Supplier listing (GlobalSpec) states 'UQFN-48, RoHS'. REACH, halogen-free and conflict-minerals declarations must be confirmed from Microchip environmental pages. Not an AEC-Q100 qualified part despite extended temperature option.
