DSPIC33EP512GM604-I/PT - 70 MIPS DSC 512KB Flash 44-TQFP | Microchip
MPN: DSPIC33EP512GM604-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.95 | $9.95 |
| 10 | $9.2 | $92.00 |
| 100 | $8.45 | $845.00 |
| 250 | $7.85 | $1,962.50 |
| 500 | $7.4 | $3,700.00 |
DSPIC33EP512GM604-I/PT Overview
A Digital Signal Controller (DSC) is a hybrid microcontroller that combines a deterministic MCU control loop with a single-cycle DSP engine, enabling real-time control algorithms alongside signal-processing math. In the system hierarchy, the DSC sits above a plain microcontroller (MCU) and below a full DSP + MCU pair, in the broader class of embedded processors. The dsPIC33E core specifically targets closed-loop control applications where FFT, FIR/IIR filters, and field-oriented control (FOC) math must execute inside a deterministic control period.
Key features of the DSPIC33EP512GM604 include 70 MIPS CPU performance (operating up to 70 MHz with 3.0V to 3.6V Vdd), 4 DMA channels for low-CPU-overhead data movement, dual CAN modules for industrial networking, and on-chip op-amps that eliminate external analog front-end components. Boundary scan (JTAG) support and a barrel shifter further simplify field testing and arithmetic operations. The integrated op-amps and 12 PWM outputs cut the bill of materials for sensorless BLDC and PMSM motor drives.
Architecturally, the device uses a Harvard memory structure with separate program and data paths, enabling 70 MIPS sustained throughput. Four DMA controllers offload peripheral-to-memory transfers, freeing the core for control loops. The motor-control PWM module provides edge-aligned and center-aligned modes with fault inputs, while dual 16-channel 10-bit ADCs sample phase currents synchronously to the PWM cycle for accurate FOC feedback.
Typical applications include BLDC/PMSM/servo motor control (field-oriented control, sensorless drives), industrial automation drives (CNC, robotics, PLCs), solar inverters and power-conversion systems, automotive body electronics (HVAC blowers, fuel pumps, fans), uninterruptible power supplies (UPS), and medical pumps requiring precise torque control. The wide operating temperature range (-40C to +85C for the -I suffix) supports industrial and harsh-environment deployments.
When designing with this device, ensure your PCB layout reserves a clean analog/digital split because the on-chip op-amps and ADC share AGND/AVSS pins; decouple Vdd/Vss with 100 nF ceramic capacitors within 5 mm of each pin pair. For FOC applications, plan the DMA mapping before coding to avoid real-time CPU stalls during high-frequency current sampling.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that go beyond a simple manufacturer datasheet restatement, providing selection and procurement context for new designs and re-source campaigns.
Drop-in alternatives for DSPIC33EP512GM604-I/PT — 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 DSPIC33EP512GM604-I/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Program Memory (Flash), RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM604T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GM604-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GM604-E/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM304-I/PT
✅ Drop-In✓ In Stock
$7.05 / Unit
View Datasheet →DSPIC33EP512GM604-I/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM706-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.34 / Unit
View Datasheet →DSPIC33EP512GM604-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33E (16-bit DSC with DSP) |
| CPU Speed | 70 MIPS (70 MHz max) |
| Program Flash Memory | 512 KB |
| RAM | 16 KB |
| Operating Voltage (Vdd) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 44-pin TQFP (10x10 mm) |
| Motor Control PWM Channels | 12 |
| Input Capture / Output Compare | 8/8 |
| Quadrature Encoder Interface (QEI) | 2 |
| On-chip Operational Amplifiers | 4 |
| DMA Channels | 4 |
| CAN Modules | 2 |
| ADC | 10-bit (per datasheet family) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
DSPIC33EP512GM604-I/PT Pin Configuration
| Pin 1 | RP5/RB5/PMD5/SDA2/RF5 — Remappable I/O / PWM / I2C2 SDA |
| Pin 2 | RP6/RB6/PMD6/SCK2 — Remappable I/O / PWM / SPI2 clock |
| Pin 3 | RP7/RB7/PMD7/SS2 — Remappable I/O / PWM / SPI2 slave select |
| Pin 4 | RP8/RB8/PMD8 — Remappable I/O / PWM |
| Pin 5 | RP9/RB9/PMD9 — Remappable I/O / PWM |
| Pin 6 | Vss — Ground |
| Pin 7 | OSCI/RC12 — Crystal oscillator input |
| Pin 8 | OSCO/RC15 — Crystal oscillator output |
| Pin 9 | RC13/SOSCO — Secondary oscillator output / I/O |
| Pin 10 | RC14/SOSCI — Secondary oscillator input / I/O |
| Pin 11 | Vdd — Positive supply (3.0V to 3.6V) |
| Pin 12 | TMS/RB12 — JTAG test mode select |
| Pin 13 | TCK/RB13 — JTAG test clock |
| Pin 14 | TDI/RB14 — JTAG test data in |
| Pin 15 | TDO/RB15 — JTAG test data out |
| Pin 16 | VDD — Positive supply |
| Pin 17 | AVSS — Analog ground |
| Pin 18 | AVDD — Analog positive supply |
| Pin 19 | AN0/CMP1A — Analog input / comparator input |
| Pin 20 | AN1/CMP1B — Analog input / comparator input |
| Pin 21 | AN2/CMP1C — Analog input / comparator input |
| Pin 22 | AN3/CMP1D — Analog input / comparator input |
| Pin 23 | AN4/CMP2A — Analog input / comparator input |
| Pin 24 | AN5/CMP2B — Analog input / comparator input |
| Pin 25 | AN6/CMP2C — Analog input / comparator input |
| Pin 26 | AN7/CMP2D — Analog input / comparator input |
| Pin 27 | AN8 — Analog input |
| Pin 28 | AN9 — Analog input |
| Pin 29 | AVDD — Analog positive supply |
| Pin 30 | AVSS — Analog ground |
| Pin 31 | RP0/RB0/PWM1H — Remappable I/O / PWM high |
| Pin 32 | RP1/RB1/PWM1L — Remappable I/O / PWM low |
| Pin 33 | RP2/RB2/PWM2H — Remappable I/O / PWM high |
| Pin 34 | RP3/RB3/PWM2L — Remappable I/O / PWM low |
| Pin 35 | RP4/RB4/PWM3H — Remappable I/O / PWM high |
| Pin 36 | VDDCORE — Core voltage (regulator output) |
| Pin 37 | ENVREG — Internal voltage regulator enable |
| Pin 38 | VSS — Ground |
| Pin 39 | RC1/RP10/PWM3L — Remappable I/O / PWM low |
| Pin 40 | RC2/RP11 — Remappable I/O |
| Pin 41 | RC3/RP12 — Remappable I/O |
| Pin 42 | RC4/RP13 — Remappable I/O |
| Pin 43 | RD0/PMD0 — Port D I/O / PWM |
| Pin 44 | RD1/PMD1 — Port D I/O / PWM |
Typical Applications
DSPIC33EP512GM604-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control (FOC), Industrial Automation Drives (CNC, Robotics, PLCs), Solar Inverters and Power Conversion, Automotive Body Electronics, Uninterruptible Power Supplies (UPS), Medical Pumps and Diagnostic Equipment.
BLDC / PMSM Motor Control (FOC)
The DSPIC33EP512GM604-I/PT drives 3-phase BLDC and PMSM motors using field-oriented control with its 70 MIPS dsPIC33E core executing Park/Clarke transforms and PI loops inside a deterministic control cycle. The 12 motor-control PWM outputs provide center-aligned switching with dead-band insertion, while 4 on-chip op-amps amplify shunt-resistor currents before the 10-bit ADC samples them synchronously to the PWM cycle. With 512 KB of Flash, the device comfortably holds sensorless observers, feed-forward tables, and fault-handling state machines for a single-axis industrial servo or appliance drive.
Recommended
Industrial Automation Drives (CNC, Robotics, PLCs)
In industrial automation the DSPIC33EP512GM604-I/PT serves as the central controller for CNC spindle drives, multi-axis robots, and PLC peripheral modules. Dual CAN interfaces handle real-time industrial networking (CANopen / DeviceNet), while 2 QEI modules accept feedback from incremental encoders. The 16 KB RAM supports multi-axis trajectory planning and the 70 MIPS throughput allows deterministic sub-millisecond control loops. Industrial temperature grade (-40C to +85C) and RoHS compliance suit factory-floor deployment.
Recommended
Solar Inverters and Power Conversion
Solar micro-inverters and string-inverter MPPT stages benefit from the DSPIC33EP512GM604-I/PT's DSP engine running MPPT math, PLL grid-synchronization, and anti-islanding detection. The 70 MIPS throughput handles the dual-loop control (current loop at 16 kHz, voltage loop at 4 kHz) inside a single DSC, eliminating a separate DSP + MCU pair. The 512 KB Flash stores MPPT algorithm variants, while DMA channels move ADC samples into RAM without CPU intervention. CAN connectivity supports inverter-array coordination and Modbus gateways.
Recommended
Automotive Body Electronics
Automotive body controllers - HVAC blowers, fuel pumps, cooling fans, and electronic power steering pumps - leverage the DSPIC33EP512GM604-I/PT's integrated op-amps for current sensing, dual CAN for body-network communication, and 12 PWM channels for variable-speed DC/BLDC motor control. Industrial temperature grade (-I suffix) suits underhood and cabin modules. For safety-critical drivetrain applications, select the AEC-Q100-qualified Q1 variant (not the -I/PT) on the same die.
Recommended
Uninterruptible Power Supplies (UPS)
Online and line-interactive UPS systems use the DSPIC33EP512GM604-I/PT for inverter control, battery-charge management, and AC-mains synchronization. The 70 MIPS core computes the inverter PWM in real time with harmonic-compensation algorithms, while the on-chip op-amps condition current feedback from shunt resistors. DMA channels offload ADC and PFC sample streams, leaving the core free for grid-synchronization PLL math. Dual CAN enables battery-bank telemetry and external status reporting.
Recommended
Medical Pumps and Diagnostic Equipment
Medical infusion pumps, dialysis systems, and portable ventilators rely on the DSPIC33EP512GM604-I/PT for precision stepper/BLDC motor control and signal preprocessing of physiological sensor data. The integrated DSP engine implements FIR/IIR filters on flow and pressure waveforms, while the on-chip op-amps amplify sensor signals directly. The 512 KB Flash accommodates FDA-required self-test code and calibration tables. Industrial operating temperature and a small 44-pin TQFP footprint enable compact portable enclosures.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM604-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM604T-I/PT | DSPIC33EP512GM604-E/PT | DSPIC33EP512GM304-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same |
| Program Flash | 512 KB | 512 KB | 512 KB | 256 KB (-50%) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 70 MIPS / 70 MHz | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C |
| Motor Control PWM | 12 channels | 12 channels | 12 channels | 12 channels |
| CAN Modules | 2 | 2 | 2 | 2 |
| On-chip Op-Amps | 4 | 4 | 4 | 4 |
| Operating Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V |
Key Differentiators
- Highest Flash density in 44-pin TQFP dsPIC33E family (vs DSPIC33EP512GM304-I/PT)
- Same-footprint extended-temperature variant available (vs DSPIC33EP512GM604-E/PT)
- Dual CAN + 4 on-chip op-amps in single 44-pin package (vs DSPIC33EP256GP504-I/ML)
Design Notes
Place 100 nF X7R ceramic decoupling capacitors within 5 mm of every Vdd/Vss pin pair and a single 10 uF bulk tantalum or ceramic capacitor near the VDDCORE pin. The internal 1.5V core regulator draws transient current up to 80 mA during DSP operations; insufficient bulk capacitance causes core-voltage droop that resets the device or corrupts Flash writes. For noise-sensitive analog sections, decouple AVDD with a separate 10 uH ferrite + 10 uF capacitor to isolate analog from digital switching noise.
Maintain a clean ground split: route analog ground (AVSS) and digital ground (VSS) on a single net beneath the device with a star-connection at the package thermal pad / exposed pad area. Place ADC inputs (AN0-AN9) on a separate analog copper pour tied to AVSS, and never route PWM traces across analog input traces. Keep PWM output traces short and matched to within 5 mm to avoid skew that causes motor torque ripple.
Do not omit the ENVREG pin decoupling (1 uF + 100 nF parallel to ground) - the internal voltage regulator requires both bulk and high-frequency capacitance for stability. Failure to configure the JTAG pins as outputs (TDO) or properly disable JTAG in code causes the device to enter unexpected debug modes on reset. When using on-chip op-amps for current sensing, ensure the op-amp output does not exceed AVDD; current spikes during motor braking can saturate the op-amp and require external clamping.
The 44-pin TQFP package has a typical theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test board. Estimated: at 70 MIPS full operation (VDD=3.3V, IDD active ~70 mA), total power dissipation is ~230 mW, yielding a junction temperature rise of ~12C above ambient - well within the -40C to +85C industrial range. If the device drives multiple high-current PWMs continuously, consider adding thermal vias beneath the exposed pad (TQFP-44 has no EP; route GND pours) for additional heat spreading.
Compliance Information
RoHS compliant per Microchip product page. -I suffix indicates industrial temperature grade; AEC-Q100 qualification is not claimed for this part - select the -Q1 suffix variant for automotive safety-critical applications. Halogen-free status was not explicitly stated in the verified data and is marked unknown.