DSPIC33EP512GP504-E/PT - 16-Bit DSC 512KB Flash 60MIPS | Microchip
MPN: DSPIC33EP512GP504-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $6.06 | $3,030.00 |
| 1,000 | $5.48 | $5,480.00 |
DSPIC33EP512GP504-E/PT Overview
A digital signal controller combines the compute architecture of a microcontroller with the math acceleration of a DSP. Within the power management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, offering deterministic single-cycle MAC/DSP instructions alongside standard peripherals. Microchip's dsPIC33EP family is the successor to the dsPIC33F line, built on a faster, lower-power core with richer analog integration.
Key features include dual CAN 2.0B modules for industrial networking, integrated op amps and comparators that offload external signal-conditioning parts, a Peripheral Trigger Generator (PTG) for autonomous task scheduling, a Charge Time Measurement Unit (CTMU) for capacitive touch and precision time measurement, and high-speed PWM suitable for power conversion.
The dsPIC33E core executes DSP instructions with single-cycle MAC, dual operand fetch, and a hardware divide, while four DMA channels move ADC data without CPU intervention. Five 16-bit timers support precise PWM generation and event capture. The integrated op amps feed the 10/12-bit ADC directly, reducing board area and noise coupling in mixed-signal designs.
Typical applications include motor control (BLDC, PMSM, stepper), digital power supplies and lighting, industrial automation nodes on CAN, and automotive sub-systems where the -E extended temperature grade is valuable.
Design tip: all VDD/VSS pairs must be decoupled and ICSP programming pairs (PGECx/PGEDx) must be routed as matched pairs to the programming header.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512GP504-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 DSPIC33EP512GP504-E/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, CAN, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GP504-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GP504T-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GP504T-E/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP256GP504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.68 / Unit
View Datasheet →DSPIC33EP256MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33EP32GP504T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.15 / Unit
View Datasheet →DSPIC33EP512GP504-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC |
| Max CPU Speed | 60 MIPS (60 MHz) |
| Flash Program Memory | 512 KB (170K x 24) |
| RAM | 48 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended, E grade) |
| Package | 44-TQFP (PT), 10x10 mm, 0.8 mm pitch |
| Mounting Type | Surface Mount |
| Communication Interfaces | 2x CAN 2.0B, UART, SPI, I2C |
| Timers | 5 x 16-bit |
| DMA Channels | 4 |
| Analog Peripherals | Op amps, comparators, CTMU, 10/12-bit ADC |
| Special Peripherals | Peripheral Trigger Generator (PTG), High-Speed PWM |
| Status | In Production |
| RoHS Status | Compliant |
| Automotive Recommendation | Recommended (per Microchip product page) |
DSPIC33EP512GP504-E/PT 44-tqfp (pt), 10x10 mm, 0.8 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EP512GP504-E/PT (44-tqfp (pt), 10x10 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 DSPIC33EP512GP504-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GP504-E/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Industrial CAN Networking Nodes, Digital Power Supplies and Lighting, Capacitive Touch and Sensing Interfaces, Automotive Body and Auxiliary Control, Portable Instrumentation and Data Acquisition.
BLDC / PMSM Motor Control
The DSPIC33EP512GP504-E/PT fits motor control because its high-speed PWM supports complementary outputs with programmable dead time, its 60 MIPS core executes field-oriented control loops with single-cycle MAC instructions, and four DMA channels keep ADC current sampling deterministic. The integrated op amps amplify shunt-resistor current signals directly into the ADC, eliminating external amplifier ICs and reducing board noise in the current loop. In practice the part is placed as the sole controller driving a three-phase inverter gate-driver stage; the 10/12-bit ADC samples phase currents at the PWM midpoint via the PTG-triggered conversions. The 125C extended grade suits sealed motor enclosures and pump cabinets where ambient exceeds 85C, and the -E grade avoids derating in under-hood auxiliary drives. Microchip's motor-control libraries (BLDC, PMSF/FOC examples for dsPIC33EP) shorten firmware development.
Recommended
Industrial CAN Networking Nodes
With two independent CAN 2.0B modules, the DSPIC33EP512GP504-E/PT serves as a gateway or dual-bus node in industrial networks such as CANopen and DeviceNet-style systems. The 60 MIPS headroom executes protocol stacks while the DMA channels offload message buffering, and the 512KB Flash accommodates bootloader, application, and diagnostic code with room to spare. The -E extended temperature rating of -40C to +125C permits mounting inside sealed control cabinets next to power electronics where ambient temperatures exceed commercial limits. Typical topology places the DSC between a fieldbus backbone and local sensors/actuators, with the integrated op amps conditioning analog feedback before the ADC. The PTG can autonomously schedule periodic sensor scans, keeping the CPU free for protocol processing, and dual CAN allows bridging between a machine bus and a diagnostic bus without a second controller.
Recommended
Digital Power Supplies and Lighting
Digital power supplies, LED drivers, and PFC stages benefit from the DSPIC33EP512GP504-E/PT's combination of high-resolution PWM control, fast ADC sampling, and DSP math for control-law execution. The 60 MIPS core closes voltage and current loops in the tens-of-kilohertz range, while the PTG triggers ADC conversions phase-locked to the PWM waveform so sampling avoids switching noise. The integrated comparators provide hardware cycle-by-cycle overcurrent protection with microsecond response independent of software. In 3.3V logic domains the 3.0V to 3.6V supply integrates directly into the controller rail. The extended -40C to +125C rating suits enclosed LED luminaires and outdoor power converters where ambient temperatures routinely exceed 85C, eliminating the need for forced-air cooling headroom that an industrial-grade-only part would require.
Recommended
Capacitive Touch and Sensing Interfaces
The Charge Time Measurement Unit (CTMU) on the DSPIC33EP512GP504-E/PT provides a precision constant-current source for measuring capacitance, enabling capacitive touch keys, sliders, and proximity detection without a dedicated touch controller. The 60 MIPS core runs Microchip's mTouch sensing algorithms, while the PTG schedules charge-discharge cycles autonomously for stable, jitter-free measurements. Combined with the integrated comparators and op amps, the device can also condition raw sensor signals - for example amplifying a thermistor bridge into the ADC - all in one 44-TQFP package. The extended temperature grade allows touch panels behind appliance glass or in industrial HMI bezels where internal temperatures reach 105C-125C. Typical layout places the CTMU-driven sense pads on the PCB itself, with guard traces to reduce crosstalk between adjacent keys, and 512KB Flash leaves room for calibration tables and multi-language UI firmware.
Recommended
Automotive Body and Auxiliary Control
Microchip's product page explicitly lists the dsPIC33EP512GP504 as 'Recommended for Automotive Design,' and the -E grade's -40C to +125C range matches under-hood and near-engine ambient profiles. The dual CAN 2.0B interfaces connect the node to vehicle networks for body control, lighting modules, pump controllers, and gateways, while the PTG and DMA keep time-critical sampling deterministic alongside communication stacks. For programs requiring documented automotive qualification, the drop-in DSPIC33EP512GP504T-H/PT variant carries H-grade automotive qualification on the same die and footprint, allowing a single PCB design to serve both industrial and automotive builds. The integrated op amps condition position-sensor and current-feedback signals, and the high-speed PWM drives lamp ballast or actuator H-bridges directly through external gate drivers. 512KB Flash supports OTA-style bootloader plus application images on the vehicle bus.
Recommended
Portable Instrumentation and Data Acquisition
The DSPIC33EP512GP504-E/PT suits handheld and bench instrumentation through its 12-bit ADC, integrated analog front-end (op amps, comparators), and DSP instructions for real-time filtering such as FIR/IIR and FFT-based analysis. The 60 MIPS core processes samples at audio-band rates with headroom, while four DMA channels stream ADC results to the 48KB RAM buffer without CPU load. UART, SPI, and I2C interfaces connect to displays, external converters, and USB-bridge chips, and the 512KB Flash stores calibration constants, logging tables, and menus. For battery-powered instruments the 3.0V to 3.6V single-supply operation simplifies the power tree from one Li-ion cell plus regulator. The extended -125C ceiling rarely matters here, but designers who later port the instrument into industrial environments reuse the identical footprint with the -E grade for qualification margin.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GP504-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GP504-I/PT | DSPIC33EP512GP504T-H/PT | DSPIC33EP256GP504-I/PT | DSPIC33EP256MC504-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB | 256 KB |
| CPU Speed | 60 MIPS (60 MHz) | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | Automotive H-grade | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Peripheral Focus | General purpose (GP) + op amps, PTG, CTMU | General purpose - identical set | General purpose - identical set | General purpose | Motor control (MC) enhanced PWM |
| Qualification / Market | Commercial + automotive design recommendation | Industrial | Automotive qualified (H) | Industrial | Industrial |
| 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 |
Key Differentiators
- Extended -40C to +125C temperature rating (vs DSPIC33EP512GP504-I/PT)
- Full 512KB Flash and 48KB RAM headroom (vs DSPIC33EP256GP504-I/PT)
- Path to documented automotive qualification without redesign (vs DSPIC33EP512GP504T-H/PT)
- Integrated analog reduces BOM (vs DSPIC33EP256MC504-I/PT)
Design Notes
Decouple every VDD/VSS pair of the 44-TQFP with a 0.1uF ceramic placed within 2 mm of the pin pair, plus one bulk 10uF per supply domain. All VDD and VSS pins must be connected - floating an internal power pin is a common cause of erratic resets on dsPIC33E devices. Provide at least 4 ICSP PGECx/PGEDx pads on the programming header, and remember that a PGECx/PGEDx pair must be used as a pair (e.g., PGEC2 with PGED2) for ICSP programming and debugging, per the device support documentation.
Operate from a clean 3.3V rail within the 3.0V to 3.6V range. Estimated: at 60 MIPS full-speed execution the core draws up to roughly 55mA, dissipating about 180mW - the 44-TQFP thermal impedance keeps junction rise well under 20C in still air, so no heatsinking is needed. Reserve margin on the 3.3V regulator for peak DMA/PWM switching currents, and sequence VDD monotonic rise; brown-out detection should be enabled in configuration words to prevent flash corruption during supply droop.
When using the integrated op amps with the ADC, keep shunt-to-amp traces short and route them as a Kelvin pair; the analog pins are shared with digital port functions, so configure unused digital neighbors to outputs-low to reduce coupling. For CAN, use the dedicated C1TX/C1RX pins with a 120-ohm termination at both bus ends and keep stubs under 30 cm. The high-speed PWM outputs driving gate drivers should each carry a small series resistor at the driver input to damp ringing on long traces.
Do not assume -E and -I grades differ only in temperature: firmware is identical, but qualification testing and ordering codes differ, so lock the suffix before release. When substituting a 256KB sibling (DSPIC33EP256GP504), update the linker script and verify the application fits in 256KB Flash; code beyond the boundary silently fails at runtime. Also confirm clock configuration - dsPIC33E PLL settings differ from dsPIC33F, and copying legacy FOSC configuration words yields a wrong SYSCLK.
Compliance Information
RoHS compliant and lead-free per distributor listings. Microchip's product page lists this device as Recommended for Automotive Design, but the standard -E/PT itself is not AEC-Q100-qualified; use DSPIC33EP512GP504T-H/PT where automotive qualification documentation is required.
