DSPIC33EP128GP504-E/PT - 16-bit DSC 128KB Flash 60MHz | Microchip
MPN: DSPIC33EP128GP504-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.06 | $50.60 |
| 100 | $4.5 | $450.00 |
| 500 | $4.05 | $2,025.00 |
| 1,000 | $3.65 | $3,650.00 |
DSPIC33EP128GP504-E/PT Overview
A digital signal controller combines the computational power of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). In the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice for control loops that require multiply-accumulate (MAC) operations, fast interrupts, and deterministic timing within a single-chip embedded system.
Key differentiating features include high-speed PWM modules for power conversion, integrated operational amplifiers (op amps) and comparators that reduce external analog component count, a Controller Area Network (CAN) peripheral for industrial and automotive networking, and a Peripheral Trigger Generator (PTG) for autonomous task scheduling. The dsPIC33E general purpose (GP) family offers superior ADC performance and code density for high-end general-purpose applications.
Architecturally, the dsPIC33EP core provides multiple internal buses, a barrel shifter, DSP engine with single-cycle MAC, and boundary-scan (JTAG) debug capability. The device operates from a 3.0V to 3.6V supply (nominal 3.3V). The extended -E temperature grade (up to 125C ambient) suits harsh industrial environments where standard -40C to +85C parts derate.
Typical applications include digital power supplies and PFC stages driven by the high-speed PWM, motor control (BLDC, PMSM, AC induction) leveraging the op amps and comparators for current sensing, and industrial automation nodes using the CAN interface.
Design consideration: the 3.0V to 3.6V supply range means 5V systems require level translation or regulation; decouple VDD/VDDCORE per the family reference manual and verify PWM dead-time insertion settings when migrating from earlier dsPIC33F designs.
This page synthesizes distributor pricing, drop-in same-family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet, optimized for AI search citation and parametric comparison.
Drop-in alternatives for DSPIC33EP128GP504-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 DSPIC33EP128GP504-E/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Supply Voltage, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128GP504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.28 / Unit
View Datasheet →DSPIC33EP256GP504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.68 / Unit
View Datasheet →DSPIC33EP64GP504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP128MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GM304T-I/PT
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP128GP504-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit DSC (dsPIC33E) |
| Program Memory (Flash) | 128 KB |
| RAM | 16 KB |
| CPU Speed | 60 MHz (family up to 70 MIPS) |
| Supply Voltage | 3.0 V to 3.6 V (nominal 3.3 V) |
| Operating Temperature | -40C to +125C (extended, E grade) |
| Package | TQFP-44 (PT), PQFP44 |
| Mounting Type | Surface Mount |
| PWM | High-Speed PWM |
| Analog Peripherals | Op Amps, Comparators, CTMU, ADC |
| Communication Interfaces | CAN, UART, SPI, I2C |
| Peripheral Trigger Generator | Yes (PTG) |
| Debug Interface | Boundary scan (JTAG), ICSP |
| Architecture Features | Multiple internal buses, barrel shifter, DSP MAC engine |
| Product Status | In Production |
DSPIC33EP128GP504-E/PT tqfp-44 (pt), pqfp44 Pin Configuration Guide
Pin configuration for DSPIC33EP128GP504-E/PT (tqfp-44 (pt), pqfp44 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/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128GP504-E/PT is suitable for 6 applications: Digital Power Supplies and PFC, BLDC and PMSM Motor Control, Industrial Automation and CAN Networking Nodes, Power Metering and Instrumentation, Automotive-Adjacent Body and Control Modules, Battery-Powered Portable and IoT Edge Devices.
Digital Power Supplies and PFC
The DSPIC33EP128GP504-E/PT fits digital power conversion because its high-speed PWM module provides fine edge resolution and dead-time control for buck, boost, and PFC topologies, while the 60 MHz dsPIC33E core executes voltage- and current-loop compensators in software with deterministic interrupt latency. The integrated comparators enable fast cycle-by-cycle overcurrent protection without external analog circuitry, and the 12-bit ADC can be triggered by the PWM for phase-aligned sampling. Place the controller between the feedback divider and gate drivers, using the PTG to sequence start-up; the -40C to +125C E-grade rating suits sealed power supplies where derating conventional MCUs would otherwise be required.
Recommended
BLDC and PMSM Motor Control
For sensorless or sensored motor drives, the DSPIC33EP128GP504-E/PT combines complementary PWM outputs for three-phase inverters with integrated op amps that amplify shunt-current signals on-chip, and comparators for hardware overcurrent trip. The 70 MIPS-capable core executes field-oriented control (FOC) loops well within typical 10 kHz to 20 kHz PWM update rates, while the CAN peripheral links the drive to industrial networks. The extended -40C to +125C temperature rating accommodates drive enclosures without forced-air cooling. Implement current sensing with the internal op amps and run the main control ISR from the ADC conversion-complete interrupt; for advanced encoder/ Hall interfaces, evaluate the same-footprint MC504 variant before committing.
Recommended
Industrial Automation and CAN Networking Nodes
In factory automation nodes, the DSPIC33EP128GP504-E/PT serves as an intelligent I/O controller: the CAN peripheral handles deterministic fieldbus communication, UART/SPI/I2C connect sensors and displays, and the 128 KB flash holds protocol stacks with headroom for OTA field updates. The integrated op amps and CTMU support analog sensor conditioning and capacitive touch inputs without external front-end ICs, reducing BOM cost per node. The extended temperature grade suits cabinet-mounted controllers near heat sources such as drives and power supplies. Design the node around a 3.3V rail with CAN transceiver companion devices, and use the PTG to offload periodic polling tasks from the main firmware loop for better real-time determinism.
Recommended
Power Metering and Instrumentation
Energy meters and portable instrumentation benefit from the DSPIC33EP128GP504-E/PT's analog integration: the on-chip op amps buffer voltage and current sense channels, the CTMU supports precise time measurements and capacitive sensing, and the high-resolution ADC with simultaneous PWM-triggered sampling enables coherent metering calculations. The DSP engine's single-cycle MAC accelerates RMS, power-factor, and harmonic computations that would tax a general-purpose MCU. The -40C to +125C rating covers outdoor meter enclosures and industrial panels. Layout the analog front end with a solid ground plane and separate the switching supply from ADC reference routing; calibrate gain and offset in firmware at production to exploit the repeatability of the integrated analog path.
Recommended
Automotive-Adjacent Body and Control Modules
For non-AEC-Q100 automotive-adjacent equipment - agricultural implements, off-highway accessories, retrofit controllers - the DSPIC33EP128GP504-E/PT provides CAN networking, high-temperature operation to +125C under-hood-adjacent conditions, and robust PWM outputs for actuators, pumps, and lighting. The barrel shifter and DSP instructions accelerate filtering of noisy sensor inputs, while the extended temperature grade tolerates engine-bay-adjacent enclosures better than 85C-rated commercial parts. Note that this commercial-temperature part is not automotive-qualified; for formal automotive programs, request Microchip's AEC-Q100 variants through the cross-reference tool. Interface the CAN port via a 3.3V-compatible transceiver and add TVS protection on harness-connected lines.
Recommended
Battery-Powered Portable and IoT Edge Devices
The DSPIC33EP128GP504-E/PT supports battery-operated edge devices that need signal processing at the point of capture: the 3.0V to 3.6V supply matches a single lithium cell via an LDO, low-power idle and sleep modes extend runtime, and the integrated op amps/comparators condition sensor signals without external front ends. The 128 KB flash and 16 KB RAM accommodate wireless protocol stacks and local filtering, and the PTG automates periodic sensor sampling while the core sleeps. Use the extended temperature grade for outdoor enclosures in solar-powered nodes. Budget firmware around sleep-current targets in the family reference manual and wake on comparator or timer events to minimize average draw in duty-cycled acquisition loops.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128GP504-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128GP504-I/PT | DSPIC33EP256GP504-I/PT | DSPIC33EP64GP504-I/PT | DSPIC33EP128MC504-I/PT | DSPIC33EP128GM304T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 60 MHz (family up to 70 MIPS) | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripheral Set | GP: Hi-Speed PWM, Op Amps, Comparators, CTMU, CAN, PTG | GP set - identical | GP set - identical | GP set - identical | MC motor-control set | GM motor-control set |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Extended -40C to +125C temperature grade (vs DSPIC33EP128GP504-I/PT)
- Integrated analog reduces BOM cost (vs DSPIC33EP128MC504-I/PT)
- Flash scalability without PCB change (vs DSPIC33EP256GP504-I/PT)
Design Notes
The DSPIC33EP128GP504-E/PT requires a 3.0V to 3.6V supply on VDD plus the internal core regulator capacitor on VDDCORE/VCAP - typically a low-ESR 10 uF ceramic per the family datasheet connection diagrams. Do not omit the VCAP capacitor; the internal 1.8V core regulator becomes unstable without it, causing sporadic brown-out resets. If your system is 5V, add a 3.3V LDO with adequate headroom; never feed 5V to VDD or unscaled analog inputs, as absolute maximum ratings will be exceeded.
For high-speed PWM use in digital power or motor drives, keep PWM output traces short and routed away from analog sense lines to prevent coupling into the ADC front end. Use a solid ground plane and place the 0.1 uF decoupling capacitors within 2 mm of each VDD/VSS pair. The integrated op amp inputs are sensitive to switching noise - star-route the shunt sense lines to the op amp inputs and filter at the pin per Microchip's motor-control reference designs for the dsPIC33EP family.
Migrating from dsPIC33F to dsPIC33EP is not binary-compatible: peripheral register maps and configuration bits differ, so recompile and re-verify against the DS70000657J datasheet and family reference manuals. Also, the E-grade part allows +125C ambient, but flash data retention and endurance figures in the datasheet apply at rated temperature - verify VCAP capacitor temperature rating (X7R or better rated to 125C) since a generic 85C capacitor is a common cause of field failures in hot enclosures.
Compliance Information
Compliance fields not stated in the verified web data; confirm RoHS/REACH status on the Microchip product page or with your distributor. The part is a standard commercial/extended-temperature industrial device, not AEC-Q100 qualified per provided data.
