DSPIC33CK256MP502-I/SS Microchip dsPIC33CK 16-Bit Digital Signal Controller 100MIPS 256KB Flash CAN-FD Motor Control PWM SSOP-28

DSPIC33CK256MP502-I/SS Product Overview

The DSPIC33CK256MP502-I/SS from Microchip is a high-capacity 16-bit Digital Signal Controller (DSC) in a 28-lead SSOP manufacturing-friendly package, designed for embedded control applications requiring large program storage, integrated analog front-ends, and high-speed industrial networking. Based on the dsPIC33CK core running at 100 MIPS, the DSPIC33CK256MP502-I/SS features 256KB of ECC-protected Flash and 24KB of SRAM, effortlessly hosting complex real-time control algorithms, CAN-FD stacks, and future field upgrades. Core peripherals of the DSPIC33CK256MP502-I/SS include three high-resolution motor-control PWM pairs (250 ps step, programmable dead-time, and fault protection), one Quadrature Encoder Interface (QEI), a 12-bit high-speed ADC (3.5 Msps with multiple dedicated sample-and-hold circuits), and a CAN-FD controller. Additionally, three operational amplifiers and four analog comparators (with DACs) are integrated on the DSPIC33CK256MP502-I/SS, significantly reducing external components for motor phase-current sensing and signal conditioning. UART, SPI, and I2C interfaces complete the feature set of the DSPIC33CK256MP502-I/SS. Operating from 3.0V to 3.6V with an industrial temperature range of -40°C to +85°C, the SSOP-28 package of the DSPIC33CK256MP502-I/SS balances a compact footprint with excellent hand-solderability, making the DSPIC33CK256MP502-I/SS ideal for single-axis servo drives, automotive actuators, high-end appliances, digital power, and industrial control nodes requiring generous code space and CAN-FD connectivity.

DSPIC33CK256MP502-I/SS Core Features

Processor Core: The DSPIC33CK256MP502-I/SS features a 16-bit dsPIC33CK core running at 100 MIPS, with a DSP-enhanced instruction set (single-cycle MAC)

Program Memory: The DSPIC33CK256MP502-I/SS provides 256KB Flash with ECC, in-circuit self-programmable

Data Memory: The DSPIC33CK256MP502-I/SS includes 24KB SRAM with Memory Protection Unit (MPU), providing ample buffer for complex computations

Motor Control PWM: The DSPIC33CK256MP502-I/SS offers 3 complementary PWM pairs with programmable dead-time, fault protection, and high-resolution mode (250 ps step)

High-Speed Precision ADC: The DSPIC33CK256MP502-I/SS 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 DSPIC33CK256MP502-I/SS includes 1 QEI module for high-precision position and speed feedback

CAN-FD Communication: The DSPIC33CK256MP502-I/SS features an integrated CAN-FD controller supporting up to 8 Mbps and 64-byte payload, compatible with CAN 2.0

Integrated Analog Peripherals: The DSPIC33CK256MP502-I/SS incorporates 3 operational amplifiers and 4 analog comparators (with DAC) to simplify current sensing and signal conditioning

Communication Interfaces & Timers: The DSPIC33CK256MP502-I/SS supports 2x UART, 2x SPI, 1x I2C, and rich 16/32-bit timers

Safety & System Management: The DSPIC33CK256MP502-I/SS includes a hardware CRC engine, watchdog timer, windowed watchdog, and BOR/POR

Power & Package: The DSPIC33CK256MP502-I/SS operates from a 3.0V to 3.6V single supply, in SSOP-28 (5.30mm wide body), industrial temperature range -40°C to +85°C

DSPIC33CK256MP502-I/SS Applications

Industrial Motor Drives: The DSPIC33CK256MP502-I/SS excels in single-axis servo drives, BLDC, PMSM, and stepper motors

Automotive Actuators & Network Nodes: The DSPIC33CK256MP502-I/SS is ideal for electric water/oil pumps, fan control, and CAN-FD communication nodes

Digital Power: The DSPIC33CK256MP502-I/SS suits DC/DC converters, micro inverters, LED drivers, and battery chargers

Industrial Automation & Sensors: The DSPIC33CK256MP502-I/SS is used in position sensors, pressure transmitters, and process control nodes

Home Appliances: The DSPIC33CK256MP502-I/SS is applied in air conditioner inverter compressors, washing machines, vacuum cleaners, and power tools

Prototyping & Low-Volume Production: The DSPIC33CK256MP502-I/SS provides a high-performance compact DSC platform with excellent manual soldering convenience

DSPIC33CK256MP502-I/SS Key Advantages

Massive Memory Capacity: The DSPIC33CK256MP502-I/SS's 256KB Flash and 24KB SRAM offer top-tier storage for complex algorithms, dual CAN-FD stacks, and field upgrades, easily accommodating future feature expansion

Manufacturing-Friendly SSOP Package: The DSPIC33CK256MP502-I/SS's 28-lead SSOP with exposed leads and generous pitch simplifies manual soldering, visual inspection, and rework, combining compact size with excellent usability

100 MIPS Strong Performance: The DSPIC33CK256MP502-I/SS's dsPIC33CK core with DSP-enhanced instructions efficiently handles sensorless FOC, digital power loops, and real-time communication

Integrated Analog Front-End: The DSPIC33CK256MP502-I/SS's three op amps and four DAC-equipped comparators directly support phase-current sensing and overcurrent protection, significantly reducing external components and BOM cost

High-Speed Synchronous ADC: The DSPIC33CK256MP502-I/SS'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 DSPIC33CK256MP502-I/SS supports up to 8 Mbps data rates and 64-byte payloads, meeting next-generation automotive and industrial networking demands

Industrial Temperature & Reliability: The DSPIC33CK256MP502-I/SS 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 DSPIC33CK256MP502-I/SS 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

Why Choose QIXINWEI

Years of experience in the electronics industry. Trusted by global customers.
Massive In-Stock Inventory – Ready to ship promptly.
BOM Matching Service – One-stop solution, save time.
PCBA Customization – Professional engineering team creates tailor-made solutions based on your needs.
Cost-Effective & Efficient – Better channel, better cost.
A dedicated team makes your procurement smoother.
Contact us for BOM quotes or PCBA inquiries.

FAQ

1. What is the DSPIC33CK256MP502-I/SS?
   The DSPIC33CK256MP502-I/SS is a high-capacity 16-bit Digital Signal Controller (DSC) from Microchip in a 28-lead SSOP package, running at 100 MIPS with 256KB ECC Flash, 24KB SRAM, 3 high-res PWM pairs, 12-bit 3.5 Msps ADC, 1 QEI, integrated op amps/comparators, and CAN-FD, industrial temperature -40°C to +85°C.
2. What does the “-I/SS” suffix mean on the DSPIC33CK256MP502-I/SS?
   “-I” indicates the industrial temperature range (-40°C to +85°C), and “/SS” denotes the 28-lead SSOP (Shrink Small Outline Package) of the DSPIC33CK256MP502-I/SS.
3. What are the advantages of 256KB Flash and 24KB SRAM on the DSPIC33CK256MP502-I/SS?
   The larger memory of the DSPIC33CK256MP502-I/SS accommodates complex multi-axis control algorithms, dual CAN-FD stacks, diagnostic code, and field-upgradeability, providing ample headroom for full-lifecycle feature expansion.
4. What can the integrated op amps and comparators do on the DSPIC33CK256MP502-I/SS?
   The three op amps on the DSPIC33CK256MP502-I/SS enable direct differential phase-current amplification, while the four DAC-equipped comparators can be configured for overcurrent protection or peak current-mode control, saving external analog chips and PCB area.
5. What types of motors can the DSPIC33CK256MP502-I/SS control?
   With three high-resolution complementary PWM pairs and one QEI, the DSPIC33CK256MP502-I/SS is ideal for driving a single 3-phase BLDC, PMSM, or 2-phase stepper motor, supporting sensored or sensorless FOC.
6. How does CAN-FD outperform standard CAN on the DSPIC33CK256MP502-I/SS?
   CAN-FD on the DSPIC33CK256MP502-I/SS supports up to 8 Mbps data rates and 64-byte payloads, significantly increasing bandwidth and efficiency for high-speed, large-data exchanges in automotive and industrial networks.
7. What development tools are supported for the DSPIC33CK256MP502-I/SS?
   The DSPIC33CK256MP502-I/SS 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, enabling rapid development.
8. Does the DSPIC33CK256MP502-I/SS have an internal oscillator, or is an external crystal required?
   The DSPIC33CK256MP502-I/SS has an internal high-speed RC oscillator; no external crystal is required. However, an external crystal is recommended for precise CAN-FD communication and high-performance motor control.
9. Is the SSOP package of the DSPIC33CK256MP502-I/SS easy to work with?
   Yes, the SSOP-28 package of the DSPIC33CK256MP502-I/SS features exposed leads and a generous pitch, making it very easy to hand-solder and visually inspect—ideal for prototyping and low-volume production while remaining compact.
10. Is the DSPIC33CK256MP502-I/SS suitable for new designs?
    Absolutely. As part of Microchip's dsPIC33CK platform, the DSPIC33CK256MP502-I/SS delivers massive memory, integrated analog, and CAN-FD in a manufacturing-friendly package—making it a cost-effective, reliable choice for new single-axis motor drives and industrial network nodes with long-term availability.