EmbeddedRelated.com
The 2026 Embedded Online Conference
DSPIC33FJ16GS504-I/PT

MCHPDSPIC33FJ16GS504-I/PT

Microchip Technology
dsPIC dsPIC™ 33F Microcontroller IC 16-Bit 40 MIPs 16KB (16K x 8) FLASH 44-TQFP (10x10)
NRND1,011 in stock

Overview

The DSPIC33FJ16GS504-I/PT is a 16-bit Digital Signal Controller designed specifically for high-performance digital power conversion and motor control applications. Operating at 40 MIPS, it combines the control features of a microcontroller with the computation power of a DSP engine, featuring specialized peripherals like a high-speed PWM and multiple 10-bit DACs. This device is optimized for low-latency control loops in power supplies, inverters, and advanced lighting systems.

Why Choose This Part

This controller offers a highly integrated solution for power electronics with 4 dedicated 10-bit DACs and a 12-channel 10-bit ADC capable of high-speed conversion. Its 5V-tolerant I/O pins simplify interfacing with legacy logic and industrial sensors while operating on a standard 3.3V rail. The inclusion of 8 DMA channels and a hardware DSP engine allows for complex mathematical operations without taxing the primary CPU core.

Applications

Digital Power Supplies
High-speed PWM and fast ADC sampling enable precise control of AC/DC and DC/DC power converters.
Solar Inverters
The DSP engine handles Maximum Power Point Tracking (MPPT) algorithms and sine wave generation for grid-tie systems.
LED Lighting Control
Utilizes integrated high-speed comparators and PWM channels for advanced dimming and color temperature management.
Brushless DC (BLDC) Motor Control
Provides the necessary computational bandwidth for sensorless field-oriented control (FOC) in industrial drives.

Key Specifications

Speed 40 MIPs
RAM Size 2K x 8
Core Size 16-Bit
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 35
Core Processor dsPIC
Package / Case 44-TQFP
Data Converters A/D 24x10b; D/A 4x10b
Oscillator Type Internal
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V

Getting Started

Development is typically performed using the MPLAB X IDE and the XC16 compiler from Microchip. To program and debug the device, an ICD 4 or PICkit 4 in-circuit debugger is required. For rapid prototyping, engineers often use the dsPIC33F GS series plug-in modules (PIMs) with the Explorer 16/32 Development Board or dedicated Digital Power Starter Kits.

The 2026 Embedded Online Conference