DSPIC33EP64GS506-E/PT Microchip dsPIC33EP 16-Bit Digital Signal Controller 70MIPS 64KB Flash CAN Digital Power PWM TQFP-64

DSPIC33EP64GS506-E/PT Product Overview

The DSPIC33EP64GS506-E/PT from Microchip is a high-performance 16-bit Digital Signal Controller (DSC) in a 64-lead TQFP package, engineered for high-end digital power and motor control applications requiring high-precision analog sensing, industrial networking, abundant I/O resources, and an extended operating temperature range. Based on the dsPIC33E core running at 70 MIPS, the DSPIC33EP64GS506-E/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 DSPIC33EP64GS506-E/PT include digital-power-optimized high-speed precision analog peripherals: a 12-bit high-speed ADC (up to 2.0 Msps with up to 16 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). A CAN 2.0B (ECAN) controller is also integrated on the DSPIC33EP64GS506-E/PT, along with UART, SPI, and I2C interfaces. Operating from 3.0V to 3.6V with an extended temperature range of -40°C to +125°C, the TQFP-64 package of the DSPIC33EP64GS506-E/PT provides extremely rich I/O resources, delivering a powerful single-chip platform for multi-channel power systems, automotive electronic modules, and high-end industrial drives in harsh high-temperature environments.

DSPIC33EP64GS506-E/PT Core Features

Processor Core: The DSPIC33EP64GS506-E/PT features a 16-bit dsPIC33E core running at 70 MIPS, with a DSP-enhanced instruction set (single-cycle MAC)

Program Memory: The DSPIC33EP64GS506-E/PT provides 64KB Flash, In-Circuit Self-Programmable

Data Memory: The DSPIC33EP64GS506-E/PT includes 8KB SRAM, providing ample space for complex digital compensators and real-time data buffering

High-Precision Fast ADC: The DSPIC33EP64GS506-E/PT integrates a 12-bit ADC up to 2.0 Msps with up to 16 analog input channels

Advanced PWM Module: The DSPIC33EP64GS506-E/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 DSPIC33EP64GS506-E/PT incorporates 4 analog comparators (with programmable references) and 2x 10-bit DACs for fast overcurrent protection and programmable reference setting

CAN Bus: The DSPIC33EP64GS506-E/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 DSPIC33EP64GS506-E/PT supports 2x UART, 2x SPI, and 2x I2C to meet the large-scale interconnect and expansion needs of complex systems

Signal Processing & Timers: The DSPIC33EP64GS506-E/PT features input capture, output compare/standard PWM, and multiple 16/32-bit timers

Safety & System Management: The DSPIC33EP64GS506-E/PT includes a hardware CRC engine, watchdog timer, and BOR/POR

Power & Package: The DSPIC33EP64GS506-E/PT operates from a 3.0V to 3.6V single supply, in TQFP-64 (10mm×10mm), extended temperature range -40°C to +125°C

DSPIC33EP64GS506-E/PT Applications

High-Temperature Networked Digital Power: The DSPIC33EP64GS506-E/PT excels in server power supplies, telecom power, industrial DC/DC converters, and AC/DC adapters (ambient up to 125°C)

Power Factor Correction (PFC): The DSPIC33EP64GS506-E/PT is ideal for active PFC controllers and motor drive PFC front ends

Automotive Electronics: The DSPIC33EP64GS506-E/PT supports on-board chargers (OBC), DC/DC converters, LED drive, and CAN network nodes

Industrial Motor Control: The DSPIC33EP64GS506-E/PT is used in BLDC, PMSM, and stepper motor drives

Power Supplies & Inverters: The DSPIC33EP64GS506-E/PT suits micro inverters, solar optimizers, and UPS systems

Industrial Automation: The DSPIC33EP64GS506-E/PT serves distributed control nodes requiring CAN and multi-channel analog acquisition

DSPIC33EP64GS506-E/PT Key Advantages

Extended High-Temperature + CAN: The DSPIC33EP64GS506-E/PT's 125°C wide temperature range ensures reliable deployment in engine compartments and hot industrial equipment; its integrated CAN 2.0B easily enables networked power supplies and distributed control

High-Precision 12-bit Fast ADC: The DSPIC33EP64GS506-E/PT's 2.0 Msps with 16 analog channels enables synchronous, precise multi-channel current and voltage acquisition for high-bandwidth digital control loops

Complete Digital Power Analog Front-End: The DSPIC33EP64GS506-E/PT's four comparators and two DACs handle overcurrent protection, ZVS/ZCS detection, and slope compensation, greatly reducing external components

Powerful PWM & Rich I/O: The DSPIC33EP64GS506-E/PT offers up to 8 independent outputs with high-resolution mode and complementary dead-time; its TQFP-64 provides extensive I/O for systems requiring multi-channel sensing and complex control

70 MIPS Efficient DSP Performance: The DSPIC33EP64GS506-E/PT's dsPIC33E core with single-cycle MAC executes 2p2z compensators, digital filtering, and power control algorithms at high speed

Complete Communication Interfaces: The DSPIC33EP64GS506-E/PT offers CAN, dual UARTs, dual SPIs, and dual I2Cs, effortlessly handling multi-protocol gateways and complex system interconnects

Mature Development Toolchain: The DSPIC33EP64GS506-E/PT is supported by free MPLAB X IDE and XC16 compiler, digital power reference designs, compensator libraries, CAN driver libraries, and MCC to accelerate time-to-market

Long-Term Availability: The DSPIC33EP64GS506-E/PT is a mature dsPIC33EP GS family product purpose-built for digital power, with long lifecycle and stable supply commitment

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FAQ

1. What is the DSPIC33EP64GS506-E/PT?
   The DSPIC33EP64GS506-E/PT is a high-performance 16-bit Digital Signal Controller (DSC) from Microchip in a 64-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, extended temperature -40°C to +125°C, designed for high-temperature networked digital power and motor control.
2. What does the “-E/PT” suffix mean on the DSPIC33EP64GS506-E/PT?
   “-E” indicates the extended temperature range (-40°C to +125°C), and “/PT” denotes the 64-lead TQFP package (10mm×10mm) of the DSPIC33EP64GS506-E/PT.
3. How does the GS506 differ from the GS504 in the context of the DSPIC33EP64GS506-E/PT?
   The DSPIC33EP64GS506-E/PT upgrades to a 64-lead TQFP package, providing more I/O pins and additional ADC channels (16 vs. 12), making it ideal for complex power and industrial control systems requiring extensive analog sampling and numerous external interfaces.
4. Does the DSPIC33EP64GS506-E/PT have CAN or CAN-FD?
   The DSPIC33EP64GS506-E/PT integrates a CAN 2.0B (ECAN) controller supporting standard and extended frames. It does not support CAN-FD.
5. What is the practical benefit of the 125°C extended temperature of the DSPIC33EP64GS506-E/PT?
   This rating allows the DSPIC33EP64GS506-E/PT to operate reliably in extreme heat such as automotive engine compartments, near industrial furnaces, or sun-exposed outdoor equipment—far above the 85°C limit of typical industrial chips.
6. What are the advantages of the 12-bit ADC and 16 channels on the DSPIC33EP64GS506-E/PT?
   The 12-bit ADC of the DSPIC33EP64GS506-E/PT provides 4× finer resolution than 10-bit, and with 16 input channels it can simultaneously and accurately sample multiple voltage and current rails—perfect for multi-rail monitoring and control in server and telecom power supplies.
7. What development tools are supported for the DSPIC33EP64GS506-E/PT?
   The DSPIC33EP64GS506-E/PT is supported by 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, enabling a quick project start.
8. Does the DSPIC33EP64GS506-E/PT have an internal oscillator, or is an external crystal required?
   The DSPIC33EP64GS506-E/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 DSPIC33EP64GS506-E/PT?
   For complex digital power control algorithms (e.g., 2p2z compensators, PFC loops, LLC control), CANopen stacks, and motor control code, the DSPIC33EP64GS506-E/PT's 64KB Flash and 8KB SRAM provide extremely generous space for feature-rich high-end designs.
10. Is the DSPIC33EP64GS506-E/PT suitable for new designs?
    The DSPIC33EP64GS506-E/PT is a mature, reliable digital-power-specific DSC with integrated CAN, high-precision ADC, and rich I/O in a high-temperature TQFP-64 package. For new designs requiring wide temperature, multi-channel sampling, and networking, the DSPIC33EP64GS506-E/PT is an ideal choice with long-term availability.