DSPIC33EP512MC204T-I/TL - 16-bit DSC 70 MIPS 512KB | Microchip
MPN: DSPIC33EP512MC204T-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.03 | $4.03 |
| 10 | $3.82 | $38.20 |
| 100 | $3.55 | $355.00 |
| 500 | $3.3 | $1,650.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33EP512MC204T-I/TL Overview
A digital signal controller is a hybrid device that combines the deterministic control flow of a 16-bit microcontroller with the multiply-accumulate (MAC) DSP engine of a digital signal processor. Within the power management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, making it the preferred controller class for closed-loop motor control, digital power conversion, and sensor signal processing where both control bandwidth and math throughput matter.
Key differentiating features include the 70 MIPS dsPIC33E core with integrated DSP engine, dedicated Motor Control PWM (MCPWM) peripherals, Quadrature Encoder Interface (QEI) inputs, and on-chip operational amplifiers and comparators that reduce external component count in motor-drive designs. The device operates from a 3.3V supply across the industrial -40C to +85C temperature range (I suffix).
Architecturally, the dsPIC33EP family pairs the 16-bit pipeline core with a DSP engine supporting single-cycle MAC operations, plus extensive peripheral scaling for FOCS (field-oriented control) motor algorithms. The SR provided by RS Components lists 60 MHz operation, QEI, MCPWM, op-amps, and comparators as headline peripherals, which aligns with Microchip's positioning of the dsPIC33EP MC series for precision motor control systems that are more energy efficient.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, digital power supplies (PFC, LLC), industrial automation nodes, and embedded signal-processing systems. The integrated MCPWM and QEI make it a one-chip solution for servo and e-bike motor controllers.
Design consideration: because the part is a 3.3V device, level-shifting is required for 5V legacy peripherals; the 6x6 mm TQFP-44 also needs a solid ground plane for the exposed thermal area to manage switching-noise from the PWM stage.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP512MC204T-I/TL — 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 DSPIC33EP512MC204T-I/TL (same form factor and footprint) — differing in Package, Operating Temperature, Packaging, Core Architecture, Series.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MC204T-E/TL
✅ Drop-In✓ In Stock
$4.9 / Unit
View Datasheet →DSPIC33EP512MC204T-H/TL
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP256MC504T-I/TL
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP256MC504-I/PT
✅ Drop-In✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33EP512GP504T-E/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP32GP504T-I/PT
✅ Drop-In✓ In Stock
$2.15 / Unit
View Datasheet →DSPIC33EP512MC204T-I/PT
✅ Drop-In✓ In Stock
$4.42 / Unit
View Datasheet →DSPIC33EP512MC204T-I/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP, 16-bit DSC |
| Max Core Speed | 70 MIPS |
| Max Clock Frequency | 60 MHz |
| Program Memory Size | 512 KB (170K x 24) FLASH |
| RAM Size | 48 KB |
| Supply Voltage | 3.3 V |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Data Bus Width | 16 bit |
| Package | 44-VTLA (6x6 mm) Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Motor Control PWM | MCPWM |
| Quadrature Encoder Interface | Yes (QEI) |
| On-chip Analog | Op-amps, Comparators, ADC |
| Packaging | Tape & Reel (T/R) |
| RoHS Status | Compliant |
DSPIC33EP512MC204T-I/TL Pin Configuration
| Pin 1 | MCLR — Master clear reset input (active low) |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index input |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A input |
| Pin 7 | VDD — Power supply (3.3V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RA2 — Oscillator crystal input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Pin 11 | AN5/QEB/IC8/RB5 — Analog input 5 / QEI phase B input |
| Pin 12 | AN6/OCFA/RB6 — Analog input 6 / PWM fault A input |
| Pin 13 | AN7/RB7 — Analog input 7 / general purpose I/O |
| Pin 14 | AN8/RB8 — Analog input 8 / general purpose I/O |
| Pin 15 | AN9/RB9 — Analog input 9 / general purpose I/O |
| Pin 16 | AN10/RTCC/RB10 — Analog input 10 / general purpose I/O |
| Pin 17 | AN11/RB11 — Analog input 11 / general purpose I/O |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Power supply (3.3V) |
| Pin 20 | TMS/RB12 — JTAG test mode select / analog input 12 |
| Pin 21 | TCK/RB13 — JTAG test clock / analog input 13 |
| Pin 22 | TDI/RB14 — JTAG test data in / analog input 14 |
| Pin 23 | TDO/RB15 — JTAG test data out / analog input 15 |
| Pin 24 | PGD3/U1TX/RF3 — Programming data 3 / UART1 transmit |
| Pin 25 | PGC3/U1RX/RF2 — Programming clock 3 / UART1 receive |
| Pin 26 | RC1 — General purpose I/O / remappable peripheral |
| Pin 27 | RC2 — General purpose I/O / remappable peripheral |
| Pin 28 | RC3 — General purpose I/O / remappable peripheral |
| Pin 29 | RC4 — General purpose I/O / remappable peripheral |
| Pin 30 | RC5 — General purpose I/O / remappable peripheral |
| Pin 31 | RC6 — General purpose I/O / remappable peripheral |
| Pin 32 | RC7 — General purpose I/O / remappable peripheral |
| Pin 33 | RC8 — General purpose I/O / remappable peripheral |
| Pin 34 | RC9 — General purpose I/O / remappable peripheral |
| Pin 35 | RA0 — General purpose I/O |
| Pin 36 | RA1 — General purpose I/O |
| Pin 37 | AVDD — Analog power supply |
| Pin 38 | AVSS — Analog ground |
| Pin 39 | RA3 — General purpose I/O |
| Pin 40 | RA4 — General purpose I/O |
| Pin 41 | RD8 — General purpose I/O / remappable peripheral |
| Pin 42 | RD9 — General purpose I/O / remappable peripheral |
| Pin 43 | RD10 — General purpose I/O / remappable peripheral |
| Pin 44 | RD11 — General purpose I/O / remappable peripheral |
Typical Applications
DSPIC33EP512MC204T-I/TL is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Industrial Automation and Robotics, Embedded Signal Processing, Automated Test and Measurement, E-mobility and Drone ESCs.
BLDC / PMSM Motor Control
The DSPIC33EP512MC204T-I/TL is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its 70 MIPS DSP core executes field-oriented control (FOC) loops with single-cycle MAC operations, while the dedicated MCPWM peripheral generates complementary PWM with dead-time insertion and fault shutdown. The Quadrature Encoder Interface reads position feedback directly, and the on-chip op-amps amplify shunt current signals without external amplifiers. Placed as the single control IC in a servo or e-mobility drive, it replaces a separate MCU, DSP, and analog front-end. The 512 KB FLASH accommodates full sensorless or sensored FOC firmware with trajectory planning headroom, and the 48 KB RAM supports control-loop state variables plus communication buffers.
Recommended
Digital Power Conversion
In digital power supplies - PFC stages, LLC resonant converters, and DC-DC modules - the DSPIC33EP512MC204T-I/TL provides the fast deterministic control loop required for current-mode regulation. The 70 MIPS core closes voltage and current loops at switching frequencies well above audible range, while ADC-triggered PWM updates minimize control latency. The 3.3V supply and industrial temperature range suit telecom and industrial power bricks. Firmware complexity such as adaptive burst mode, nonlinear gain scheduling, and PMBus telemetry fits comfortably in 512 KB FLASH. Designers should budget control-loop ISR execution time against the 70 MIPS budget and use the MCPWM fault inputs for hardware overcurrent protection independent of software, ensuring cycle-by-cycle current limiting during fault events.
Recommended
Industrial Automation and Robotics
For industrial automation nodes - robot joint drivers, conveyor servo axes, and CNC sub-systems - the DSPIC33EP512MC204T-I/TL combines real-time control with sufficient memory for protocol stacks and motion profiling. The QEI accepts incremental encoder input for closed-loop positioning, and MCPWM drives H-bridge or three-phase power stages. The 512 KB FLASH holds CAN/UART communication stacks alongside the control firmware, and 48 KB RAM buffers multi-axis trajectories. Operating at -40C to +85C, it survives factory-floor ambient conditions without forced cooling. Integrating op-amps and comparators on-chip reduces the analog BOM, improving channel-to-channel consistency across multi-axis machines and simplifying calibration procedures in production.
Recommended
Embedded Signal Processing
The integrated DSP engine of the DSPIC33EP512MC204T-I/TL makes it effective for sensor signal processing: FFT-based vibration analysis, digital filtering of acquisition chains, and audio pre-processing. Single-cycle MAC, modulo and bit-reversed addressing accelerate FIR/IIR filters, while 48 KB RAM holds moderate-length buffers. Compared with a general-purpose 16-bit MCU, the DSC completes filter passes several times faster at the same clock; compared with a standalone DSP, it retains deterministic GPIO and peripherals for system control. The 512 KB FLASH stores coefficient tables and multiple filter profiles. For battery-powered sensor nodes, engineers should characterize active current at full MIPS against sleep-mode options in the datasheet.
Recommended
Automated Test and Measurement
Bench instruments and embedded test modules benefit from the DSPIC33EP512MC204T-I/TL's combination of DSP throughput and flexible analog integration. The on-chip op-amps can condition sensor or probe signals, comparators provide hardware limit detection with microsecond response, and the ADC feeds DSP algorithms for peak detection, RMS computation, and waveform classification. The 70 MIPS core sustains continuous computation while serial interfaces stream results to a host. The 512 KB FLASH supports multi-protocol firmware and field-updatable calibration tables. Because the /I grade covers -40C to +85C, the same design can serve both lab and portable field instruments. Designers should verify ADC timing versus core clock configuration in the datasheet oscillator section.
Recommended
E-mobility and Drone ESCs
Electric scooter, e-bike, and drone electronic speed controllers (ESCs) leverage the DSPIC33EP512MC204T-I/TL as a single-chip motor controller. The MCPWM output drives three-phase MOSFET bridges with programmable dead time, the QEI or sensorless back-EMF feedback closes the speed loop, and the DSP core runs commutation math fast enough for high electrical frequencies of multi-pole motors. The 6x6 mm 44-VTLA package fits compact ESC PCBs, and the -40C to +85C industrial grade handles engine-bay-adjacent and outdoor environments. The high-temperature DSPIC33EP512MC204T-H/TL variant extends ambient tolerance for densely packed drive enclosures where airflow is limited, and 512 KB FLASH leaves room for firmware updates over the product lifetime.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC204T-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MC204T-E/TL | DSPIC33EP512MC204T-H/TL | DSPIC33EP256MC504T-I/TL | DSPIC33EP512MC204T-I/PT |
|---|---|---|---|---|---|
| Package | 44-VTLA (TQFP-44, 6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-TQFP (10x10 mm) - same pin map |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Program Memory (FLASH) | 512 KB (170K x 24) | 512 KB | 256 KB | 32 KB | |
| Core Speed | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | |
| Operating Temperature | -40C to +85C (I) | -40C to +125C (E) | High-temp grade (H) | -40C to +85C (I) | |
| MCPWM / QEI Motor Peripherals | Yes (MC-series) | Yes | No (GP-series) | No (GP-series) | |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- Dedicated motor-control peripherals in a 6x6 mm footprint (vs DSPIC33EP512GP504T-E/PT)
- Full 512 KB FLASH for complex FOC firmware (vs DSPIC33EP256MC504T-I/TL)
- Compact 6x6 mm 44-VTLA body (vs DSPIC33EP512MC204T-I/PT)
Design Notes
The DSPIC33EP512MC204T-I/TL runs from a 3.0-3.6V supply. Provide a local 10 uF bulk capacitor plus 0.1 uF ceramic decoupling at each VDD pin (pins 7 and 19) and 0.1 uF at AVDD (pin 37), placed within 2 mm of the pins. Separate the analog 3.3V rail from the digital rail via an RC or ferrite filter to preserve ADC accuracy when MCPWM switching noise is present. Estimated: at typical active currents for the dsPIC33EP family (tens of mA at 70 MIPS), dissipation is low enough that the exposed pad needs only a good ground connection, not a heatsink.
Connect the exposed thermal pad of the 44-VTLA (6x6 mm) package to a solid VSS plane with an array of thermal vias - it is the primary ground return and reduces ground bounce from simultaneous PWM output switching. Route QEI encoder inputs (QEA/QEB/INDX on RB3-RB5) away from MCPWM output traces to prevent switching noise coupling into position feedback, which manifests as jitter in FOC commutation angle.
Two frequent errors with this part: (1) confusing /TL (44-VTLA, 6x6 mm) with /PT (44-TQFP, 10x10 mm) land patterns - they share the pin map but NOT the footprint, so order the exact suffix matching your PCB; (2) assuming 5V tolerance on I/O - this is a 3.3V-only device, and series resistors or level shifters are required on 5V signal interfaces. Verify MCLR is pulled up (4.7k-10k) with an ICSP connector reserved for in-circuit programming via PGD/PGC.
Compliance Information
RoHS compliant per standard Microchip green packaging for current dsPIC33EP production parts. Formal REACH, halogen-free, and conflict-minerals certificates should be requested from Microchip or your distributor for specific date codes.
