DSPIC33EV128GM104-E/P8 Microchip dsPIC33EV 16-Bit Digital Signal Controller 40MIPS 128KB Flash CAN Motor Control PWM QEI TQFP-100

DSPIC33EV128GM104-E/P8 Product Overview

The DSPIC33EV128GM104-E/P8 from Microchip is a high-performance 16-bit Digital Signal Controller (DSC) in a 100-lead TQFP package, designed for high-temperature and high-reliability embedded applications requiring 5V operation, CAN bus communication, precision motor control, and rich analog peripherals. Based on the dsPIC33E core running at 40 MIPS, the DSPIC33EV128GM104-E/P8 features 128KB of Flash and 12KB of SRAM, smoothly handling complex Field-Oriented Control (FOC), sensorless algorithms, and CAN communication stacks with generous headroom for feature expansion and field upgrades. Core motor-control peripherals of the DSPIC33EV128GM104-E/P8 include four complementary high-speed PWM outputs with programmable dead-time and fault protection, two Quadrature Encoder Interfaces (QEI), four input captures, and four output compares, easily enabling dual-axis motor drives. The high-precision analog front-end of the DSPIC33EV128GM104-E/P8 boasts a 12-bit high-speed ADC (up to 1.1 Msps, up to 24 analog input channels), two analog comparators, and two 10-bit DACs, providing a powerful single-chip solution for multi-channel precision current/voltage sensing and signal conditioning. The DSPIC33EV128GM104-E/P8 also integrates a CAN 2.0B (ECAN) controller and rich communication interfaces including two UARTs, two SPIs, and two I2Cs. Operating from a wide 4.5V to 5.5V supply with an extended temperature range of -40°C to +125°C, the DSPIC33EV128GM104-E/P8 is ideal for dual-axis servo drives, automotive network nodes, industrial robots, and automation equipment requiring 5V logic levels and high reliability in harsh environments such as engine compartments and high-temperature industrial settings.

DSPIC33EV128GM104-E/P8 Core Features

Processor Core: The DSPIC33EV128GM104-E/P8 features a 16-bit dsPIC33E core running at 40 MIPS, with a DSP-enhanced instruction set (single-cycle MAC)

Program Memory: The DSPIC33EV128GM104-E/P8 provides 128KB Flash, In-Circuit Self-Programmable

Data Memory: The DSPIC33EV128GM104-E/P8 includes 12KB SRAM, providing ample space for complex control algorithms and real-time data buffering

Motor Control PWM: The DSPIC33EV128GM104-E/P8 offers 4 complementary PWM pairs with programmable dead-time, fault protection, and high-resolution duty-cycle control

Quadrature Encoder Interface (QEI): The DSPIC33EV128GM104-E/P8 includes 2 QEI modules for high-precision position and speed feedback

CAN Bus: The DSPIC33EV128GM104-E/P8 integrates a CAN 2.0B (ECAN) controller for industrial fieldbus or automotive network connectivity

High-Precision Analog Front-End: The DSPIC33EV128GM104-E/P8 features a 24-channel 12-bit ADC (1.1 Msps), 2 analog comparators, and 2x 10-bit DACs

Rich Communication Interfaces: The DSPIC33EV128GM104-E/P8 supports 2x UART, 2x SPI, and 2x I2C to meet the large-scale interconnect needs of complex systems

Signal Processing & Timers: The DSPIC33EV128GM104-E/P8 includes 4x input capture, 4x output compare, and multiple 16/32-bit timers

Safety & System Management: The DSPIC33EV128GM104-E/P8 features a hardware CRC engine, watchdog timer, and BOR/POR

Power & Package: The DSPIC33EV128GM104-E/P8 operates from a 4.5V to 5.5V wide supply, in TQFP-100 (14mm×14mm), extended temperature range -40°C to +125°C

DSPIC33EV128GM104-E/P8 Applications

High-Temperature Industrial Motor Drives: The DSPIC33EV128GM104-E/P8 excels in dual-axis servo drives, BLDC, PMSM, and stepper motors (up to 125°C environments)

Automotive Electronics: The DSPIC33EV128GM104-E/P8 is ideal for engine-bay electric water/oil pumps, fan control, body control modules, and CAN network nodes

Industrial Automation: The DSPIC33EV128GM104-E/P8 supports distributed CAN control nodes, process control, sensor concentrators, and multi-protocol gateways

Digital Power: The DSPIC33EV128GM104-E/P8 is used in high-temperature DC/DC converters, inverter front ends, and LED drivers

Aerospace & Defense: The DSPIC33EV128GM104-E/P8 is applicable for auxiliary control systems requiring wide-temperature operation

General Real-Time Control: The DSPIC33EV128GM104-E/P8 suits compact control systems requiring 5V supply, CAN communication, and large memory

DSPIC33EV128GM104-E/P8 Key Advantages

Extended High-Temperature + 5V Operation: The DSPIC33EV128GM104-E/P8's -40°C to +125°C range combined with 5V supply allows direct interface with 5V sensors and actuators without level shifters, ideal for engine compartments and noisy industrial environments

Large Memory & Dual-Axis Control: The DSPIC33EV128GM104-E/P8's 128KB Flash and 12KB SRAM provide generous space for complex multi-axis FOC algorithms, CANopen stacks, and field-upgradeable firmware; its four complementary PWM pairs and two QEIs drive two motors simultaneously, greatly increasing integration

High-Precision 12-bit Analog Front-End: The DSPIC33EV128GM104-E/P8's 24-channel 12-bit ADC with on-chip DACs and comparators provides a complete single-chip solution for precision current/voltage sensing, offering 4× finer resolution than 10-bit ADCs

Integrated CAN 2.0B: The DSPIC33EV128GM104-E/P8's on-chip ECAN controller eliminates the need for an external CAN chip, reducing system cost and PCB area for industrial or automotive networking

Rich Communication Interfaces: The DSPIC33EV128GM104-E/P8's dual UARTs, dual SPIs, and dual I2Cs easily handle multi-sensor integration and complex system interconnect requirements

40 MIPS Efficient DSP Performance: The DSPIC33EV128GM104-E/P8's dsPIC33E core with single-cycle MAC efficiently handles dual-motor FOC, digital filtering, and real-time communication

High-Integration TQFP-100: The DSPIC33EV128GM104-E/P8's 100-lead package offers rich I/O resources, balancing high performance with a manageable PCB footprint

Mature Development Toolchain: The DSPIC33EV128GM104-E/P8 is supported by free MPLAB X IDE and XC16 compiler, with motor-control libraries, CAN driver libraries, and MCC for fast development

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FAQ

1. What is the DSPIC33EV128GM104-E/P8?
   The DSPIC33EV128GM104-E/P8 is a high-performance 16-bit Digital Signal Controller (DSC) from Microchip in a 100-lead TQFP package, running at 40 MIPS with 128KB Flash, 12KB SRAM, 4 complementary PWM pairs, 2 QEIs, CAN 2.0B, a 12-bit 24-channel ADC, and DACs, supporting wide 5V supply and extended temperature -40°C to +125°C—designed for high-temperature dual-axis motor control and networked applications.
2. What does the “-E/P8” suffix mean on the DSPIC33EV128GM104-E/P8?
   “-E” indicates the extended temperature range (-40°C to +125°C), far surpassing the standard 85°C industrial range, suitable for automotive engine compartments and other high-temperature environments; “/P8” denotes the 100-lead TQFP package (14mm×14mm) of the DSPIC33EV128GM104-E/P8.
3. How many motors can the DSPIC33EV128GM104-E/P8 control?
   With four complementary PWM pairs and two Quadrature Encoder Interfaces, the DSPIC33EV128GM104-E/P8 can simultaneously drive two 3-phase BLDC motors or one high-precision servo motor with dual encoder feedback—perfect for dual-axis motion control.
4. How does the DSPIC33EV128GM104-E/P8 differ from the DSPIC33EV32GM106 and DSPIC33EV64GM006?
   The DSPIC33EV128GM104-E/P8 offers larger memory (128KB Flash / 12KB SRAM), more powerful motor control (4 PWM pairs vs 3), a 100-lead package, and extended high-temperature operation, making it ideal for complex applications requiring dual-axis drives, large memory, and high-temperature endurance.
5. Does the DSPIC33EV128GM104-E/P8 have CAN? Does it support CAN-FD?
   The DSPIC33EV128GM104-E/P8 integrates a CAN 2.0B (ECAN) controller supporting standard and extended frames. It does not support CAN-FD. Only an external CAN transceiver is needed for industrial or automotive networking.
6. What are the practical benefits of 5V operation for the DSPIC33EV128GM104-E/P8?
   5V operation of the DSPIC33EV128GM104-E/P8 allows direct interface with common 5V analog and digital peripherals without external level shifters. In industrial environments, 5V signals typically offer better noise immunity while also simplifying power supply design and reducing system cost.
7. What is the practical benefit of the 125°C extended temperature of the DSPIC33EV128GM104-E/P8?
   This rating allows the DSPIC33EV128GM104-E/P8 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, ensuring exceptional reliability in harsh thermal environments.
8. What are the advantages of the 12-bit ADC and DACs on the DSPIC33EV128GM104-E/P8?
   The 24-channel 12-bit ADC of the DSPIC33EV128GM104-E/P8 provides 4× finer resolution than 10-bit, enabling precise motor phase current and voltage measurement. The two on-chip 10-bit DACs provide flexible reference setting or slope compensation, greatly saving external analog chips and reducing system cost and PCB area.
9. What development tools are supported for the DSPIC33EV128GM104-E/P8?
   The DSPIC33EV128GM104-E/P8 is supported by Microchip's free MPLAB X IDE and MPLAB XC16 compiler, along with PICkit or ICD series debuggers, MPLAB Code Configurator (MCC), motor-control libraries, and CAN driver libraries for rapid development.
10. Is the DSPIC33EV128GM104-E/P8 suitable for new designs?
    The DSPIC33EV128GM104-E/P8 is a mature, reliable high-end motor-control DSC combining 5V operation, 12-bit ADC, CAN, multi-axis capability, and 125°C high-temperature endurance. For new designs requiring high-temperature operation, networking, and dual-axis drives, the DSPIC33EV128GM104-E/P8 is a highly cost-effective choice with long-term availability.