DSPIC33EP64MC504-E/PT - 60MHz 16-bit DSC, 64KB Flash | Microchip
MPN: DSPIC33EP64MC504-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.75 | $47.50 |
| 100 | $4.11 | $411.00 |
| 500 | $3.78 | $1,890.00 |
| 1,000 | $3.42 | $3,420.00 |
DSPIC33EP64MC504-E/PT Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic interrupt behavior of a microcontroller. Within the power-management hierarchy, DSCs such as the dsPIC33EP family sit between general-purpose MCUs and dedicated DSPs, making them the de-facto choice for closed-loop motor control, digital power conversion, and sensor fusion where both fast math and rich peripherals are required.
Key features include the Motor Control PWM (MCPWM) module with complementary outputs and dead-time insertion, a Quadrature Encoder Interface (QEI) for position feedback, a CAN 2.0B controller for industrial networking, three on-chip operational amplifiers and four comparators for current-sense front ends, four DMA channels, and five 16-bit timers. These peripherals let a single chip close the current, speed, and position loops of a BLDC, PMSM, or ACIM drive.
Architecturally, the dsPIC33EP core uses a modified Harvard, 16-bit fixed-point pipeline with DSP multiply-accumulate instructions, 40-bit accumulators, and single-cycle MAC, enabling FOC (field-oriented control) and filtering algorithms at sample rates unattainable by conventional MCUs. CMOS flash technology supports in-circuit self-programming and 100,000-cycle endurance.
Typical applications include precision BLDC/PMSM motor drives, digital SMPS and power-factor-correction converters, industrial automation nodes on CAN, and e-bike or appliance inverter control boards.
Design consideration: keep the supply at 3.0 V to 3.6 V per the datasheet and decouple each VDD/VSS pair with 0.1 uF ceramics placed within 5 mm of the pins; PWM edge timing accuracy depends on a clean VDD rail.
This page synthesizes distributor pricing, drop-in family alternatives, and practical motor-control design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC504-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 DSPIC33EP64MC504-E/PT (same form factor and footprint) — differing in Package, Program Memory (Flash), Core Architecture, Timers, I/O Ports.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64MC504-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33EP128MC504-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256MC504-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.28 / Unit
View Datasheet →DSPIC33EP32MC504-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC core, modified Harvard |
| Max Clock Frequency | 60 MHz |
| Performance | Up to 70 MIPS |
| Program Memory (Flash) | 64 KB |
| SRAM | 8 KB (8192 words) |
| Supply Voltage | 3.0 V to 3.6 V |
| Package | 44-lead TQFP (PT), 10x10 mm |
| I/O Ports | 51 I/O available on family; 35+ on 44-pin device |
| Motor Control PWM (MCPWM) | Yes, with dead-time and complementary outputs |
| Quadrature Encoder Interface | Yes (QEI) |
| CAN Controller | CAN 2.0B |
| On-chip Op Amps | 3 |
| Comparators | 4 |
| DMA Channels | 4 |
| Timers | 5 |
| Operating Temperature | -40C to +125C (Extended, E grade) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
DSPIC33EP64MC504-E/PT 44-lead tqfp (pt), 10x10 mm Pin Configuration Guide
Pin configuration for DSPIC33EP64MC504-E/PT (44-lead tqfp (pt), 10x10 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 DSPIC33EP64MC504-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64MC504-E/PT is suitable for 6 applications: BLDC/PMSM Field-Oriented Motor Control, Digital Switch-Mode Power Supplies and PFC, Industrial Automation and CAN Networking Nodes, E-bike and Light Electric Vehicle Inverters, Home Appliance Inverter Compressors and Fans, Servo Drives and Precision Motion Control.
BLDC/PMSM Field-Oriented Motor Control
The DSPIC33EP64MC504-E/PT is a natural fit for FOC-based BLDC and PMSM drives because its MCPWM module generates complementary PWM pairs with hardware dead-time insertion while three on-chip op amps amplify low-side shunt currents into four comparators that provide cycle-by-cycle overcurrent trip without CPU latency. The QEI interface reads incremental encoder position at full quadrature rate, closing the outer position/speed loop. Typical implementation: PWM at 20 kHz, current loop sampled at the PWM frequency via ADC triggered by PWM hardware, the 70 MIPS core executing Clarke/Park transforms and PI compensators with DSP MAC instructions. The extended -40C to +125C rating tolerates drive-enclosure heating near the inverter stage.
Recommended
Digital Switch-Mode Power Supplies and PFC
For digitally controlled SMPS, totem-pole PFC, and LLC converters, the DSPIC33EP64MC504-E/PT offers the fast peripherals digital power demands: high-resolution MCPWM with dead-time control, analog comparators for instantaneous cycle-by-cycle current limiting, and DMA moving ADC results to RAM without CPU overhead. The 70 MIPS fixed-point DSP core implements 3p3z and PR (proportional-resonant) compensators at switching frequencies up to several hundred kHz with deterministic latency, which pure general-purpose MCUs cannot guarantee. The -E temperature grade suits power stages where ambient plus self-heating exceeds 85C, and the CAN 2.0B controller enables digital-power bus orchestration in telecom rectifier and server-PSU architectures.
Recommended
Industrial Automation and CAN Networking Nodes
The integrated CAN 2.0B controller with up to 1 Mbps operation makes the DSPIC33EP64MC504-E/PT a strong candidate for industrial nodes that combine actuation control with fieldbus communication - conveyor drives, robot joint controllers, and pump stations. The 51 I/O-capable family port structure, five timers, and four DMA channels allow encoder capture, sensor polling, and communication simultaneously without software contention. On-chip op amps and comparators handle analog front ends (current, temperature via shunt interfaces) internally, reducing BOM count on isolated-node boards. The extended temperature range supports wall-mounted and cabinet-based industrial electronics that experience wide seasonal swings, and QEI supports direct servo feedback integration.
Recommended
E-bike and Light Electric Vehicle Inverters
E-bike, e-scooter, and light-EV traction inverters benefit directly from the DSPIC33EP64MC504-E/PT's blend of motor-control peripherals and automotive-capable temperature rating: the -E grade covers battery-bay and controller-enclosure temperatures up to +125C. The MCPWM drives three-phase MOSFET bridges with complementary outputs and programmable dead time to prevent shoot-through, while the comparators implement hardware overcurrent trips faster than any software loop. Hall-sensor or QEI-based commutation is supported natively, and the 64 KB Flash accommodates sensorless-FOC algorithms with startup routines. CAN 2.0B links the inverter to a battery-management or display controller, making this a single-chip traction-control solution for cost-sensitive LEV designs.
Recommended
Home Appliance Inverter Compressors and Fans
Refrigerator compressors, air-conditioner outdoor units, and variable-speed appliance fans use three-phase inverters controlled economically by the DSPIC33EP64MC504-E/PT. The three on-chip op amps replace external current-amplifier ICs, cutting BOM cost in high-volume appliance boards, and the four comparators provide fast phase-overcurrent protection required by safety standards testing. The 60 MHz core executes sensorless back-EMF or single-shunt FOC at audio-inaudible PWM frequencies (typically 16-20 kHz), and the -40C floor covers cold-start in unheated garages while +125C ceiling covers compressor-controller derating. Integrated design flow with MPLAB X and the MA330028 PIM shortens appliance OEM development cycles.
Recommended
Servo Drives and Precision Motion Control
Precision motion systems - CNC axes, pick-and-place gantries, laboratory positioning stages - require simultaneous high-rate current loops and position acquisition, which the DSPIC33EP64MC504-E/PT delivers through its QEI interface and PWM-triggered ADC sampling. The 16-bit fixed-point DSP pipeline runs cascade position/velocity/current loops with predictable cycle times at 70 MIPS, avoiding the jitter that plagues RTOS-based general-purpose MCUs. Four DMA channels stream ADC results and PWM fault logs to SRAM for diagnostics, while CAN or UART links accept setpoint commands from a higher-level motion controller. The extended temperature range supports brake-resistor-adjacent drive electronics, and the on-chip op amps simplify single-shunt or three-shunt current sensing.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC504-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC504-E/PTVAO | DSPIC33EP64MC504-I/PT | DSPIC33EP128MC504-E/PT | DSPIC33EP32MC504-E/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 | 64 KB | 64 KB | 64 KB | 128 KB | 32 KB |
| Max Clock / Performance | 60 MHz / up to 70 MIPS | 60 MHz / 70 MIPS | 60 MHz / 70 MIPS | 60 MHz / 70 MIPS | 60 MHz / 70 MIPS |
| Operating Temperature | -40C to +125C (Extended) | Automotive temp grade (per Partstack) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Peripheral Set (MCPWM/QEI/CAN/OpAmps) | Yes / Yes / CAN 2.0B / 3 | Yes / Yes / CAN 2.0B / 3 - identical | Yes / Yes / CAN 2.0B / 3 - identical | Yes / Yes / CAN 2.0B / 3 - identical | Yes / Yes / CAN 2.0B / 3 - identical |
Key Differentiators
- Guaranteed operation to +125C ambient-adjacent environments (vs DSPIC33EP64MC504-I/PT)
- Pin-compatible Flash upgrade path without respin (vs DSPIC33EP128MC504-E/PT)
- Lowest-cost foot-in-the-door variant for BOM optimization (vs DSPIC33EP32MC504-E/PT)
- Integrated analog front end (3 op amps + 4 comparators) (vs DSPIC33EP64MC504-E/PTVAO)
Design Notes
Decouple every VDD/VSS pair with a 0.1 uF X7R ceramic placed within 5 mm of the pins, plus one bulk 10 uF capacitor per supply domain. On the 44-TQFP (10x10 mm), the power pins are distributed around the perimeter, so a 4-layer stack with an unbroken 3.3 V plane underneath the device is the lowest-risk layout. The exposed center of the TQFP is a good keep-out for a local ground pour stitched to VSS with multiple vias. Keep the OSC1/OSC2 crystal traces under 12 mm and guard them with ground.
The device requires a tightly regulated 3.0 V to 3.6 V supply; a 5 V system must use an LDO or buck to 3.3 V with adequate headroom for I/O switching current. Estimated: with 51 I/O-capable family ports driving capacitive loads at 60 MHz, transient core+I/O current can reach tens of mA; size the 3.3 V regulator for at least 100 mA margin plus external circuitry. During flash self-programming, current spikes make a local 10 uF bulk capacitor mandatory. Verify AVDD rails (analog supply for op amps/comparators) are filtered from digital switching noise for accurate current-sense sampling.
MCPWM complementary output pairs driving a three-phase inverter should exit the TQFP as short, matched trace pairs to the gate-driver inputs; keep gate-drive traces away from the QEI encoder inputs to prevent false counts from dv/dt coupling during hard-switching edges. Use the hardware dead-time insertion rather than software delays - it is cycle-accurate and immune to interrupt jitter. Route the comparator/current-sh sense inputs as a differential pair with a local RC filter (e.g., 100 ohm + 1 nF, estimated values to be tuned) to reject inverter common-mode noise.
Two frequent mistakes with this family: (1) forgetting that many peripherals are remappable via Peripheral Pin Select (PPS) - the default pin assignment must be configured in code before the MCPWM or CAN outputs appear, which manifests as 'silent' pins during first bring-up; (2) using the industrial -I part near a heatsink where the PCB exceeds 85C - always verify junction temperature using the datasheet theta-JA with your copper area, not ambient temperature alone. Also confirm the configuration words (FOSC, Watchdog, PWM mode) are set correctly; incorrect oscillator config is the leading cause of non-starting boards.
Compliance Information
Current-production Microchip commercial/extended-temperature device; RoHS-compliant and lead-free per standard Microchip supply. Not AEC-Q100 qualified - use the DSPIC33EP64MC504-E/PTVAO automotive-qualified variant where required.
