DSPIC33EP64GS504-I/PT Microchip dsPIC33EP 16-Bit Digital Signal Controller 70MIPS 64KB Flash CAN Digital Power PWM TQFP-44

DSPIC33EP64GS504-I/PT Product Overview

The DSPIC33EP64GS504-I/PT from Microchip is a high-performance 16-bit Digital Signal Controller (DSC) in a 44-lead TQFP package, engineered for advanced digital power and motor control applications requiring high-precision analog sensing, industrial networking, and a compact footprint. Based on the dsPIC33E core running at 70 MIPS, the DSPIC33EP64GS504-I/PT features 64KB of Flash and 8KB of SRAM, smoothly handling digital power control loops, power factor correction (PFC), motor control algorithms, and CAN communication stacks. Key highlights of the DSPIC33EP64GS504-I/PT include digital-power-optimized high-speed precision analog peripherals: a 12-bit high-speed ADC (up to 2.0 Msps with up to 12 analog input channels), four analog comparators with programmable references, two 10-bit DACs, and an advanced high-speed PWM module (up to eight independent outputs configurable as complementary pairs, with high-resolution mode and programmable dead-time). The DSPIC33EP64GS504-I/PT also integrates a CAN 2.0B (ECAN) controller, along with UART, SPI, and I2C interfaces. Operating from 3.0V to 3.6V with an industrial temperature range of -40°C to +85°C, the DSPIC33EP64GS504-I/PT provides rich I/O and scalability, making it ideal for automotive power systems, industrial drives, server power supplies, and networked high-efficiency power conversion applications requiring CAN connectivity, a precision analog front-end, and multiple PWM channels.

DSPIC33EP64GS504-I/PT Core Features

Processor Core: The DSPIC33EP64GS504-I/PT features a 16-bit dsPIC33E core, 70 MIPS, with DSP-enhanced instruction set (single-cycle MAC)

Program Memory: The DSPIC33EP64GS504-I/PT provides 64KB Flash, In-Circuit Self-Programmable

Data Memory: The DSPIC33EP64GS504-I/PT includes 8KB SRAM, providing ample space for complex digital compensators and real-time data buffering

High-Precision Fast ADC: The DSPIC33EP64GS504-I/PT integrates a 12-bit ADC up to 2.0 Msps with up to 12 analog input channels

Advanced PWM Module: The DSPIC33EP64GS504-I/PT offers up to 8 independent PWM outputs (configurable as complementary pairs) with high-resolution mode, programmable dead-time, and fault protection, perfectly suiting LLC, phase-shifted full-bridge, buck/boost, and other topologies

Integrated Analog Peripherals: The DSPIC33EP64GS504-I/PT contains 4 analog comparators (with programmable references) and 2x 10-bit DACs for fast overcurrent protection and programmable reference setting

CAN Bus: The DSPIC33EP64GS504-I/PT includes an integrated CAN 2.0B (ECAN) controller for industrial fieldbus or automotive network connectivity, enabling networked power supplies and distributed control

Communication Interfaces: The DSPIC33EP64GS504-I/PT provides 2x UART, 2x SPI, 2x I2C to meet the large-scale interconnect and expansion needs of complex systems

Signal Processing & Timers: The DSPIC33EP64GS504-I/PT supports input capture, output compare/standard PWM, and multiple 16/32-bit timers

Safety & System Management: The DSPIC33EP64GS504-I/PT integrates a hardware CRC engine, watchdog timer, BOR/POR

Power & Package: The DSPIC33EP64GS504-I/PT operates from 3.0V to 3.6V single supply, in a TQFP-44 (10mm×10mm) package, industrial temperature range -40°C to +85°C

DSPIC33EP64GS504-I/PT Applications

Networked Digital Power: The DSPIC33EP64GS504-I/PT is ideal for server power supplies, telecom power, DC/DC converters, AC/DC adapters

Power Factor Correction (PFC): The DSPIC33EP64GS504-I/PT enables active PFC controllers and motor drive PFC front ends

Automotive Electronics: The DSPIC33EP64GS504-I/PT can be used in on-board chargers (OBC), DC/DC converters, LED drive, and CAN network nodes

Industrial Motor Control: The DSPIC33EP64GS504-I/PT is suitable for BLDC, PMSM, stepper motor drives

Power Supplies & Inverters: The DSPIC33EP64GS504-I/PT supports micro inverters, solar optimizers, UPS systems

Industrial Automation: The DSPIC33EP64GS504-I/PT works well in distributed control nodes requiring CAN, multi-axis motion controllers

DSPIC33EP64GS504-I/PT Key Advantages

High-Precision 12-bit Fast ADC + CAN: The DSPIC33EP64GS504-I/PT delivers 2.0 Msps sampling with 12-bit resolution, precisely capturing current/voltage dynamics; its integrated CAN 2.0B easily enables networked power supplies and distributed control

Complete Digital Power Analog Front-End: Four comparators and two DACs on the DSPIC33EP64GS504-I/PT handle overcurrent protection, ZVS/ZCS detection, and slope compensation, greatly reducing external components

Powerful PWM Outputs: The DSPIC33EP64GS504-I/PT provides up to 8 independent outputs with high-resolution mode and complementary dead-time, perfectly suiting multi-phase power supplies, full-bridge LLC, and motor drive topologies

70 MIPS Efficient DSP Performance: The dsPIC33E core of the DSPIC33EP64GS504-I/PT with single-cycle MAC executes 2p2z compensators, digital filtering, and power control algorithms at high speed

Rich Communication Interfaces: The DSPIC33EP64GS504-I/PT offers CAN, dual UARTs, dual SPIs, dual I2Cs, effortlessly handling multi-protocol gateways and complex system interconnects

High-Integration TQFP-44: The DSPIC33EP64GS504-I/PT packs powerful power control and networking into a 10mm×10mm footprint, balancing performance with manufacturing convenience

Industrial Temperature Range: The DSPIC33EP64GS504-I/PT operates reliably from -40°C to +85°C, ensuring dependable performance in harsh environments

Mature Development Toolchain: The DSPIC33EP64GS504-I/PT is fully supported by free MPLAB X IDE and XC16 compiler, digital power reference designs, compensator libraries, CAN driver libraries, and MCC, dramatically accelerating time-to-market

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FAQ

1. What is the DSPIC33EP64GS504-I/PT?
   The DSPIC33EP64GS504-I/PT is a high-performance 16-bit Digital Signal Controller (DSC) from Microchip in a 44-lead TQFP package, running at 70 MIPS with 64KB Flash, 8KB SRAM, a 12-bit 2.0 Msps ADC, 4 comparators, 2 DACs, 8-channel advanced PWM, and CAN 2.0B—designed for networked digital power and motor control.
2. What does the “-I/PT” suffix mean?
   “-I” indicates the industrial temperature range (-40°C to +85°C), and “/PT” denotes the 44-lead TQFP package (10mm×10mm).
3. How does the DSPIC33EP64GS504-I/PT differ from the GS502?
   The DSPIC33EP64GS504-I/PT adds a CAN 2.0B controller, more ADC channels (12 vs. 8), extra communication interfaces (dual UART/SPI/I2C), and more PWM outputs in a larger 44-lead TQFP package, suiting complex networked power systems.
4. Does the DSPIC33EP64GS504-I/PT have CAN or CAN-FD?
   The DSPIC33EP64GS504-I/PT integrates a CAN 2.0B (ECAN) controller supporting standard and extended frames. It does not support CAN-FD.
5. What are the advantages of the 12-bit ADC on the DSPIC33EP64GS504-I/PT?
   The 12-bit ADC on the DSPIC33EP64GS504-I/PT provides 4096 quantization levels—4× finer than 10-bit—enabling more precise voltage and current measurement critical for high-accuracy constant-current and constant-voltage digital power control.
6. What are the on-chip comparators and DACs of the DSPIC33EP64GS504-I/PT used for?
   The four high-speed analog comparators of the DSPIC33EP64GS504-I/PT are ideal for cycle-by-cycle overcurrent protection, ZVS/ZCS detection, and PWM fault triggering. The two 10-bit DACs provide programmable reference voltages or slope compensation, greatly reducing external analog components.
7. What development tools are supported for the DSPIC33EP64GS504-I/PT?
   For the DSPIC33EP64GS504-I/PT, Microchip's free MPLAB X IDE and MPLAB XC16 compiler, along with PICkit or ICD series debuggers, MPLAB Code Configurator (MCC), digital power reference designs, and CAN driver libraries, enable a quick project start.
8. Does the DSPIC33EP64GS504-I/PT have an internal oscillator, or is an external crystal required?
   The DSPIC33EP64GS504-I/PT features an internal high-speed RC oscillator with an on-chip PLL; no external crystal is required. However, for precise CAN communication and power supply timing, an external crystal is recommended.
9. Are 64KB Flash and 8KB SRAM sufficient for the DSPIC33EP64GS504-I/PT?
   For complex digital power control algorithms, CANopen stacks, and motor control code, the DSPIC33EP64GS504-I/PT's 64KB Flash and 8KB SRAM provide extremely generous space for feature-rich high-end designs.
10. Is the DSPIC33EP64GS504-I/PT suitable for new designs?
    It is a mature, reliable digital-power-specific DSC with integrated CAN and rich analog peripherals, offering excellent cost-effectiveness. For new networked power conversion and motor drive designs, the DSPIC33EP64GS504-I/PT remains an ideal choice with long-term availability.