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

DSPIC33CK64MP105-I/PT Product Overview

The DSPIC33CK64MP105-I/PT from Microchip is a high-performance 16-bit Digital Signal Controller (DSC) in a 48-lead TQFP surface-mount package, designed for embedded systems requiring advanced motor control, digital power, and real-time communication. Based on the dsPIC33CK core running at 100 MIPS, the DSPIC33CK64MP105-I/PT 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/PT 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/PT 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 TQFP-48 package of the DSPIC33CK64MP105-I/PT with exposed leads simplifies automated SMT assembly, visual inspection, and rework, offering an excellent balance of high performance and manufacturability. The DSPIC33CK64MP105-I/PT is ideal for dual-motor industrial drives, automotive actuators, high-end appliances, and digital power applications requiring integrated analog front-ends and CAN-FD networking.

DSPIC33CK64MP105-I/PT Core Features

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

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

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

Motor Control PWM: The DSPIC33CK64MP105-I/PT 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/PT 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/PT includes 2 QEI modules for high-precision position and speed feedback

CAN-FD Communication: The DSPIC33CK64MP105-I/PT 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/PT incorporates 3 operational amplifiers and 4 analog comparators (with DAC)

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

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

Power & Package: The DSPIC33CK64MP105-I/PT operates from a 3.0V to 3.6V single supply, in TQFP-48 (10mm×10mm), industrial temperature range -40°C to +85°C

DSPIC33CK64MP105-I/PT Applications

Industrial Motor Drives: The DSPIC33CK64MP105-I/PT excels in dual-axis servo drives, BLDC, PMSM, and stepper motors

Automotive Actuators & Network Nodes: The DSPIC33CK64MP105-I/PT is ideal for electric water/oil pumps, active grilles, and CAN-FD communication nodes

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

Industrial Automation: The DSPIC33CK64MP105-I/PT supports compact servo drives, multi-axis motion controllers, and process control nodes

Medical & Precision Instruments: The DSPIC33CK64MP105-I/PT is used in precision fluid control, portable monitors, and multi-sensor modules

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

DSPIC33CK64MP105-I/PT Key Advantages

Manufacturing-Friendly TQFP Package: The DSPIC33CK64MP105-I/PT's 48-lead TQFP with exposed leads simplifies automated placement, manual soldering, and visual inspection, lowering production barriers while maintaining a compact footprint

100 MIPS Powerful Performance: The DSPIC33CK64MP105-I/PT'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/PT'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/PT'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/PT'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/PT 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/PT 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/PT 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/PT?
   The DSPIC33CK64MP105-I/PT is a high-performance 16-bit Digital Signal Controller (DSC) from Microchip in a 48-lead TQFP 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/PT” suffix mean on the DSPIC33CK64MP105-I/PT?
   “-I” indicates the industrial temperature range (-40°C to +85°C), and “/PT” denotes the 48-lead TQFP package (10mm×10mm) of the DSPIC33CK64MP105-I/PT.
3. What are the advantages of the TQFP package of the DSPIC33CK64MP105-I/PT?
   The TQFP-48 package of the DSPIC33CK64MP105-I/PT features leads on all four sides, making it excellent for automated SMT assembly, manual soldering, and visual inspection, while providing good thermal performance and a moderate PCB footprint suitable for everything from prototyping to high-volume production.
4. What are the integrated op amps and comparators used for on the DSPIC33CK64MP105-I/PT?
   The three op amps on the DSPIC33CK64MP105-I/PT 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/PT control?
   With four high-resolution complementary PWM pairs and two QEIs, the DSPIC33CK64MP105-I/PT 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/PT?
   Absolutely. The DSPIC33CK64MP105-I/PT'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/PT?
   The DSPIC33CK64MP105-I/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), motor control libraries, and CAN-FD driver libraries.
8. Does the DSPIC33CK64MP105-I/PT have an internal oscillator, or is an external crystal required?
   The DSPIC33CK64MP105-I/PT 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/PT?
   For most advanced dual-motor FOC, digital power loops, and CAN-FD stacks, the DSPIC33CK64MP105-I/PT's 64KB Flash and 8KB SRAM provide generous space. Higher-memory variants are available if needed.
10. Is the DSPIC33CK64MP105-I/PT suitable for new designs?
    Very much so. As part of Microchip's next-generation dsPIC33CK platform, the DSPIC33CK64MP105-I/PT delivers advanced analog, high-precision PWM, and CAN-FD in a manufacturing-friendly TQFP package—ideal for high-performance control designs requiring integrated analog and long-term availability.