DSPIC33EP512GM304-E/ML - 16-bit DSC 512KB Flash 60 MIPS | Microchip
MPN: DSPIC33EP512GM304-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.6 | $7.60 |
| 10 | $7.4 | $74.00 |
| 100 | $7.12 | $712.00 |
| 500 | $6.9 | $3,450.00 |
| 1,000 | $6.75 | $6,750.00 |
DSPIC33EP512GM304-E/ML Overview
A digital signal controller combines the computational architecture of a microcontroller with the numeric acceleration of a DSP. In the semiconductor hierarchy, the dsPIC33EP sits within Microchip's 16-bit MCU portfolio: DSC -> 16-bit microcontroller -> embedded processor -> semiconductor IC. Its Harvard architecture with a pipelined DSP engine makes it a natural fit where both general-purpose control and real-time signal processing are required, such as digital power conversion and field-oriented motor control.
Key features include the 16-bit dsPIC33E CPU core running at up to 60 MIPS (the family core supports up to 70 MIPS), 512KB of self-programmable FLASH, 12 channels of motor-control PWM (12 MC PWM), 8 input capture and 8 output compare channels, 2 quadrature encoder interfaces (QEI), integrated operational amplifiers, and communication peripherals including I2C, IrDA, LINbus, SPI, UART/USART, plus watchdog timer (WDT) and power-on reset (POR). The -E/ML suffix denotes the extended -40C to +125C operating range and AEC-Q100 automotive qualification on a 3.3V supply.
Internally, the DSP engine provides single-cycle MAC and 40-bit accumulators, enabling efficient execution of control loops and filter algorithms, while the integrated op-amps reduce external analog component count in current-sense front ends.
Typical applications include precision BLDC/PMSM motor control, digital power supplies (PFC, LLC), automotive auxiliary systems, and industrial drives. The 12-channel motor-control PWM and dual QEI directly target servo and traction applications.
Design consideration: plan your clock configuration carefully - maximum MIPS is achieved with the internal PLL from the primary oscillator; also budget the QFN exposed pad as the primary ground and thermal path in your PCB layout.
This page synthesizes distributor pricing (LCSC from $7.1201, in stock as of 2026-09-25), same-package drop-in alternatives, and practical design notes beyond what the manufacturer datasheet provides.
Drop-in alternatives for DSPIC33EP512GM304-E/ML — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33EP512GM304-E/ML (same form factor and footprint) — differing in Operating Temperature, Package, Communication Interfaces, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM304-I/ML
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP256GM304-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.35 / Unit
View Datasheet →DSPIC33EP128GM304-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EP512GM304T-E/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM304-E/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| Core Size | 16-bit |
| Maximum Performance | 60 MIPS |
| Family Core Performance | up to 70 MIPS (dsPIC33E family) |
| Program Memory (FLASH) | 512KB (170K x 24) |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C |
| Package | 44-QFN (8x8 mm) exposed pad |
| Mounting Type | Surface Mount |
| Motor Control PWM | 12 channels (12 MC PWM) |
| Input Capture / Output Compare | 8 IC / 8 OC |
| Quadrature Encoder Interfaces | 2 QEI |
| Integrated Op-Amps | Yes (OpAmp) |
| Communication Interfaces | I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | POR, WDT, PWM, PTG |
| Qualification | AEC-Q100 automotive |
| Packaging | Tube |
DSPIC33EP512GM304-E/ML 44-qfn (8x8 mm) exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP512GM304-E/ML (44-qfn (8x8 mm) exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33EP512GM304-E/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GM304-E/ML is suitable for 6 applications: Precision BLDC/PMSM Motor Control, Digital Power Conversion (PFC, LLC, Solar Inverter), Automotive Body and Auxiliary Subsystems, Industrial Drives and Factory Automation, Sensor Signal Conditioning and Embedded Sensing Nodes, Test, Measurement and Portable Instruments.
Precision BLDC/PMSM Motor Control
The DSPIC33EP512GM304-E/ML fits precision motor control because its 12 motor-control PWM channels, 2 QEI modules, and integrated op-amps directly map to field-oriented control requirements: complementary PWM pairs with dead-time for the three-phase inverter, quadrature decoding for position feedback, and on-chip amplification of shunt current signals. Running at up to 60 MIPS with single-cycle MAC instructions, the DSP engine executes FOC current loops at 10-20 kHz without external math coprocessors. The controller is placed as the single embedded processor driving gate-driver ICs toward the power stage; the quantified benefit is reduced BOM count since external current-sense amplifiers are eliminated by the integrated op-amps, and the AEC-Q100 -40C to +125C rating supports automotive traction-auxiliary and pump applications.
Recommended
Digital Power Conversion (PFC, LLC, Solar Inverter)
The DSPIC33EP512GM304-E/ML suits digital power conversion because its 12-channel complementary PWM with high-resolution capability, fast ADC-triggered control interrupts, and 60 MIPS DSP core sustain the loop bandwidths needed for PFC, LLC, and inverter stages. The integrated op-amps condition current-shunt signals for average-current-mode control, reducing external analog front-end parts. In a typical topology the DSC sits between voltage/current sensing and the gate drivers, executing voltage and inner current loops at switching frequencies in the tens of kilohertz. The quantified benefit versus analog control is programmable compensation, soft-start, and protection thresholds without hardware changes; the AEC-Q100 extended temperature grade of -40C to +125C additionally qualifies it for automotive onboard charger and industrial power environments.
Recommended
Automotive Body and Auxiliary Subsystems
The DSPIC33EP512GM304-E/ML targets automotive auxiliary systems because it is AEC-Q100 qualified with a -40C to +125C operating range on a 3.3V supply, matching typical automotive electronic control unit conditions. Its LINbus and UART/USART peripherals integrate into in-vehicle networks, while the 512KB FLASH accommodates protocol stacks plus diagnostics and remains self-programmable for field firmware updates. The controller typically runs auxiliary motor loads - HVAC dampers, pumps, throttle actuators - with its 12 motor-control PWM channels and 2 QEI modules providing position feedback. The quantified benefit is single-chip integration of communication, control, and analog signal conditioning, reducing ECU component count and qualification surface relative to multi-chip discrete designs.
Recommended
Industrial Drives and Factory Automation
The DSPIC33EP512GM304-E/ML serves industrial drives because its combination of 12 motor-control PWM channels, dual QEI encoder interfaces, SPI and UART connectivity, and watchdog/power-on-reset supervision meets the reliability and feedback requirements of servo drives, conveyor systems, and robotic joints. Executing at up to 60 MIPS, the 16-bit DSP core closes current loops in real time while the 512KB FLASH holds trajectory planning and fieldbus protocol code concurrently. In a typical architecture the DSC drives isolated gate drivers toward the power stage and communicates with a PLC over RS-485/UART. The -40C to +125C rating tolerates hot cabinet environments, and the integrated op-amps reduce the analog component count of the current-sense front end.
Recommended
Sensor Signal Conditioning and Embedded Sensing Nodes
The DSPIC33EP512GM304-E/ML is effective in sensing nodes because its integrated operational amplifiers, multiple communication interfaces (I2C, SPI, UART/USART, IrDA), and DSP math capability allow it to amplify, filter, and digitize sensor signals on one chip. The 60 MIPS core with single-cycle MAC executes FIR/IIR filtering and FFT-based analysis locally, so raw transducer signals from pressure, current, or optical sensors are conditioned on-chip before transmission. The 512KB self-programmable FLASH supports sensor-specific calibration tables and field updates. A typical node places the DSC between the analog front end and a UART or SPI link to a gateway; the benefit is reduced external component count, and the -40C to +125C range fits outdoor and industrial sensing deployments.
Recommended
Test, Measurement and Portable Instruments
The DSPIC33EP512GM304-E/ML fits measurement instrumentation because its DSP engine performs real-time waveform processing (averaging, windowing, spectral analysis) at up to 60 MIPS, while 8 input capture channels enable precise period and duty-cycle measurement of external signals. The 512KB FLASH supports menus, calibration data, and logging buffers, and the 3.3V operation suits battery-powered portable instruments where the exposed-pad QFN aids thermal dissipation in sealed enclosures. In a typical instrument the DSC reads the analog front end, executes DSP algorithms, and drives a display via SPI/UART. The -40C to +125C AEC-Q100 grade extends usefulness to field-test equipment exposed to harsh temperatures; the quantified benefit is single-chip acquisition, processing, and communications.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM304-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM304-I/ML | DSPIC33EP256GM304-E/ML | DSPIC33EP128GM304-E/ML |
|---|---|---|---|---|
| Package | 44-QFN (8x8) exposed pad | 44-QFN (8x8) EP - same | 44-QFN (8x8) EP - same | 44-QFN (8x8) EP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Program Memory | 512KB (170K x 24) | 512KB (170K x 24) | 256KB | 128KB |
| Core Performance | 60 MIPS, 16-bit dsPIC33E core | 60 MIPS, 16-bit | 60 MIPS, 16-bit | 60 MIPS, 16-bit |
| Operating Temperature | -40C to +125C (extended / automotive) | -40C to +85C (industrial) | -40C to +125C | -40C to +125C |
| Motor Control PWM / QEI | 12 MC PWM / 2 QEI | 12 MC PWM / 2 QEI | 12 MC PWM / 2 QEI | 12 MC PWM / 2 QEI |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- Extended -40C to +125C automotive grade in the same footprint as industrial variants (vs DSPIC33EP512GM304-I/ML)
- Maximum 512KB FLASH for feature-rich motor control and dual-image firmware (vs DSPIC33EP256GM304-E/ML)
- Integrated op-amps and dual QEI reduce external BOM (vs DSPIC33EP128GM304-E/ML)
Design Notes
The 44-QFN exposed pad is the primary ground and thermal path. Design the PCB land pattern with a central EP pad matching the datasheet footprint, connected to the ground plane through an array of 5x5 thermal vias (approximately 0.3 mm drill, filled or tented per assembly capability). Solder paste coverage of roughly 60-80% on the EP prevents voiding while ensuring reliable grounding. All VSS pins plus the EP must be tied to the same ground net; floating the EP degrades both signal integrity and thermal performance. Verify paste stencil design against Microchip's QFN surface-mount application guidelines.
Decouple each VDD pin pair with 100 nF ceramic capacitors placed within 2 mm of the pins, plus bulk capacitance of 4.7-10 uF near the supply entry. The device operates from a nominal 3.3V rail; dsPIC33E devices also require proper connection of VCAP/VDDCORE per the datasheet power section - do not omit the core regulator capacitor, as this is a common bring-up failure point. Keep AVDD fed through an RC or ferrite filter from VDD to preserve analog performance of the integrated op-amps and ADC reference path.
When using the 12 motor-control PWM channels at high switching frequency, route PWM outputs away from analog inputs and the oscillator circuit. The internal PLL from the primary oscillator achieves maximum MIPS; follow the datasheet crystal layout rules (short traces, local ground guard) to avoid jitter that would translate into PWM dead-time error and motor torque ripple. For QEI inputs from encoders in electrically noisy motor cabinets, add series termination or RC filtering and use the module's digital filter feature to reject glitches.
Configuration words select the oscillator source and watchdog settings at programming time - incorrect CONFIG choices are the most common cause of a dsPIC33EP board that programs successfully but never clocks up. Verify MCLR pull-up, the exact oscillator circuit for your target MIPS, and debugger pin usage (ICSP) access on the PCB. When substituting a smaller-FLASH family member on the same footprint, confirm the linker script and RAM allocation compile within the smaller memory map before committing to the cost-optimized part.
Compliance Information
AEC-Q100 automotive qualification explicitly stated in distributor data (datasheets.com, Jotrin). RoHS/REACH/lead-free status not stated in provided web data - verify on Microchip's product page.
