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DSPIC33CK256MP505-I/PT

MCHPDSPIC33CK256MP505-I/PT

Microchip Technology
dsPIC dsPIC™ 33CK, Functional Safety (FuSa) Microcontroller IC 16-Bit 100MHz 256KB (256K x 8) FLASH 48-TQFP (7x7)
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Overview

The DSPIC33CK256MP505-I/PT is a high-performance 16-bit Digital Signal Controller designed for time-critical control applications. It features a 100MHz dsPIC33CK core with integrated floating-point support and specialized peripherals for motor control and digital power conversion. This functional safety-ready device includes hardware features like RAM built-in self-test (MBIST) and a fail-safe clock monitor to simplify ISO 26262 and IEC 61508 compliance.

Why Choose This Part

This controller offers 100 MIPS performance and a dedicated Floating-Point Unit (FPU) to handle complex math instructions in a single cycle. Its integration of high-speed 12-bit ADCs and 12-bit DACs reduces external component count while maintaining high precision in feedback loops. The architecture is optimized for low latency with four sets of interrupt context saving registers and zero overhead looping.

Applications

High-Speed Motor Control
Utilizes the high-resolution PWMs and advanced analog integration for field-oriented control (FOC) of brushless DC (BLDC) and permanent magnet synchronous motors.
Digital Power Conversion
Ideal for AC/DC and DC/DC power supplies, solar inverters, and UPS systems requiring fast control loops and high-resolution duty cycle management.
Automotive Sensors and Actuators
Serves as a reliable controller for automotive subsystems like electronic power steering or cooling fans requiring CAN FD or LIN connectivity.
Industrial Functional Safety
Suited for safety-critical applications requiring redundant clock sources and memory monitoring to meet SIL 2 or SIL 3 standards.

Key Specifications

Speed 100MHz
RAM Size 24K x 8
Core Size 16-Bit
Peripherals Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, QEI, WDT
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 39
Core Processor dsPIC
Package / Case 48-TQFP
Data Converters A/D 19x12b; D/A 3x12b
Oscillator Type Internal
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 48-TQFP (7x7)
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V

Getting Started

Developers can begin evaluation using the dsPIC33CK Curiosity Development Board (DM330030) or the dsPIC33CK256MP508 Motor Control PIM. Software development is supported by Microchip's MPLAB X IDE and the XC16 compiler, with further acceleration provided by the MPLAB Code Configurator (MCC) for peripheral setup.