DSPIC33CK64MP105-I/M4 Microchip dsPIC33CK 16-Bit Digital Signal Controller 100MIPS 64KB Flash CAN-FD Motor Control PWM UQFN-48

DSPIC33CK64MP105-I/M4 Product Overview

The DSPIC33CK64MP105-I/M4 from Microchip is a high-performance 16-bit Digital Signal Controller (DSC) in a 48-lead Ultra-Thin QFN (UQFN) compact package, optimized for embedded applications requiring advanced motor control, digital power, and real-time communication. Based on the dsPIC33CK core running at 100 MIPS, the DSPIC33CK64MP105-I/M4 features 64KB of ECC-protected Flash and 8KB of SRAM, smoothly handling Field-Oriented Control (FOC), digital power loops, and CAN-FD stacks. Core peripherals of the DSPIC33CK64MP105-I/M4 include four high-resolution motor-control PWM pairs (250 ps step, programmable dead-time, and fault protection), two Quadrature Encoder Interfaces (QEI), a 12-bit high-speed ADC (3.5 Msps with multiple dedicated sample-and-hold circuits), and a CAN-FD controller. Additionally, the DSPIC33CK64MP105-I/M4 integrates three operational amplifiers, four analog comparators (with DACs), UART, SPI, and I2C. Operating from 3.0V to 3.6V with an industrial temperature range of -40°C to +85°C, the tiny 6mm×6mm UQFN-48 package of the DSPIC33CK64MP105-I/M4 is ideal for space-constrained high-end applications such as micro servo drives, drone ESCs, automotive actuators, and compact digital power supplies.

DSPIC33CK64MP105-I/M4 Core Features

Processor Core: The DSPIC33CK64MP105-I/M4 features a 16-bit dsPIC33CK core running at 100 MIPS, with a DSP-enhanced instruction set (single-cycle MAC)

Program Memory: The DSPIC33CK64MP105-I/M4 provides 64KB Flash with ECC, in-circuit self-programmable

Data Memory: The DSPIC33CK64MP105-I/M4 includes 8KB SRAM with Memory Protection Unit (MPU)

Motor Control PWM: The DSPIC33CK64MP105-I/M4 offers 4 complementary PWM pairs with programmable dead-time, fault protection, and high-resolution mode (250 ps step)

High-Speed Precision ADC: The DSPIC33CK64MP105-I/M4 integrates a 12-bit ADC up to 3.5 Msps, with multiple dedicated sample-and-hold circuits for synchronous sampling

Quadrature Encoder Interface (QEI): The DSPIC33CK64MP105-I/M4 includes 2 QEI modules for high-precision position and speed feedback

CAN-FD Communication: The DSPIC33CK64MP105-I/M4 features an integrated CAN-FD controller supporting up to 8 Mbps and 64-byte payload, compatible with CAN 2.0

Integrated Analog Peripherals: The DSPIC33CK64MP105-I/M4 incorporates 3 operational amplifiers and 4 analog comparators (with DAC)

Communication Interfaces & Timers: The DSPIC33CK64MP105-I/M4 supports 2x UART, 2x SPI, 2x I2C, and rich 16/32-bit timers

Safety & System Management: The DSPIC33CK64MP105-I/M4 includes a hardware CRC engine, watchdog timer, windowed watchdog, and BOR/POR

Power & Package: The DSPIC33CK64MP105-I/M4 operates from a 3.0V to 3.6V single supply, in UQFN-48 (6mm×6mm), industrial temperature range -40°C to +85°C

DSPIC33CK64MP105-I/M4 Applications

Micro Motor Control: The DSPIC33CK64MP105-I/M4 excels in micro servos, drone ESCs, robotic joints, and power tools

Automotive Actuators & Sensors: The DSPIC33CK64MP105-I/M4 is ideal for electric water/oil pumps, active grilles, and CAN-FD network nodes

Digital Power: The DSPIC33CK64MP105-I/M4 suits small DC/DC converters, micro inverters, LED drivers, and battery chargers

Industrial Automation: The DSPIC33CK64MP105-I/M4 is used in compact servo drives, multi-axis motion controllers, and process control nodes

Medical & Precision Instruments: The DSPIC33CK64MP105-I/M4 supports precision fluid control, portable monitors, and multi-sensor modules

High-End Appliances: The DSPIC33CK64MP105-I/M4 is applied in air conditioner compressors, washing machines, and vacuum cleaners

DSPIC33CK64MP105-I/M4 Key Advantages

Ultimate Integration & Small Size: The 6mm×6mm UQFN-48 of the DSPIC33CK64MP105-I/M4 integrates FOC control, encoder feedback, op amps, comparators, and CAN-FD in a single chip for micro drive and power designs

100 MIPS Powerful Performance: The DSPIC33CK64MP105-I/M4's dsPIC33CK core with single-cycle MAC efficiently handles sensorless FOC, digital power loops, and real-time communication

Complete Motor Control Peripherals: The DSPIC33CK64MP105-I/M4's four high-resolution PWM pairs (250 ps step) and two QEIs support dual-motor or high-precision single-axis servo control

Rich Integrated Analog: The DSPIC33CK64MP105-I/M4's three op amps and four comparators reduce external components for current sensing and signal conditioning, lowering BOM cost

High-Speed Synchronous ADC: The DSPIC33CK64MP105-I/M4's 3.5 Msps with multiple S&H circuits enables precise synchronous phase-current and voltage sampling—ideal for high-performance FOC and current-mode control

CAN-FD Ready: The DSPIC33CK64MP105-I/M4 supports up to 8 Mbps data rates and 64-byte payloads, meeting next-generation automotive and industrial networking demands

Industrial Temperature & Reliability: The DSPIC33CK64MP105-I/M4 operates from -40°C to +85°C, with ECC Flash and multiple hardware safety mechanisms ensuring long-term stability in harsh environments

Complete Development Ecosystem: The DSPIC33CK64MP105-I/M4 is supported by free MPLAB X IDE and XC16 compiler, motor control libraries, digital power libraries, CAN-FD drivers, and MCC to accelerate time-to-market

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FAQ

1. What is the DSPIC33CK64MP105-I/M4?
   The DSPIC33CK64MP105-I/M4 is a high-performance 16-bit Digital Signal Controller (DSC) from Microchip in a 48-lead UQFN package, running at 100 MIPS with 64KB ECC Flash, 8KB SRAM, 4 high-res PWM pairs, 2 QEIs, a 12-bit 3.5 Msps ADC, integrated op amps and comparators, and CAN-FD, industrial temperature -40°C to +85°C.
2. What does the “-I/M4” suffix mean on the DSPIC33CK64MP105-I/M4?
   “-I” indicates the industrial temperature range (-40°C to +85°C), and “/M4” denotes the 48-lead Ultra-Thin QFN (UQFN) package, measuring only 6mm×6mm, of the DSPIC33CK64MP105-I/M4.
3. How does the DSPIC33CK64MP105-I/M4 differ from the DSPIC33CK64MC105?
   Both share similar core performance, memory, PWM, and ADC. The DSPIC33CK64MP105-I/M4 typically integrates additional analog peripherals such as operational amplifiers, making it more suitable for applications needing integrated signal conditioning, like digital power and sensor interfaces.
4. What are the integrated op amps and comparators used for on the DSPIC33CK64MP105-I/M4?
   The three op amps on the DSPIC33CK64MP105-I/M4 can handle differential current/voltage amplification and signal conditioning; the four DAC-equipped comparators are ideal for overcurrent protection or peak current control, reducing external component count, cost, and PCB space.
5. How many motors can the DSPIC33CK64MP105-I/M4 control?
   With four high-resolution complementary PWM pairs and two QEIs, the DSPIC33CK64MP105-I/M4 can simultaneously drive two 3-phase BLDC motors or a single high-precision servo motor with dual encoder feedback.
6. Is 100 MIPS sufficient for advanced FOC on the DSPIC33CK64MP105-I/M4?
   Absolutely. The DSPIC33CK64MP105-I/M4's dsPIC33CK core features DSP-enhanced instructions and single-cycle MAC, providing ample performance for sensorless FOC, MTPA, field weakening, and CAN-FD communication.
7. What development tools are supported for the DSPIC33CK64MP105-I/M4?
   The DSPIC33CK64MP105-I/M4 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-FD driver libraries.
8. Does the DSPIC33CK64MP105-I/M4 have an internal oscillator, or is an external crystal required?
   The DSPIC33CK64MP105-I/M4 has an internal high-speed RC oscillator; no external crystal is required. However, for precise CAN-FD communication and high-performance motor control, an external crystal is recommended.
9. Are 64KB Flash and 8KB SRAM enough for the DSPIC33CK64MP105-I/M4?
   For most advanced dual-motor FOC, digital power loops, and CAN-FD stacks, the DSPIC33CK64MP105-I/M4's 64KB Flash and 8KB SRAM provide generous space. Higher-memory variants are available if needed.
10. Is the DSPIC33CK64MP105-I/M4 suitable for new designs?
    Very much so. As part of Microchip's next-generation dsPIC33CK platform, the DSPIC33CK64MP105-I/M4 packs advanced analog, high-precision PWM, and CAN-FD into a tiny package—ideal for space-constrained, analog-integrated high-performance control designs with long-term availability.