DSPIC33EP32MC204-I/TL - 16-bit 70 MIPS DSC 32KB Flash | Microchip
MPN: DSPIC33EP32MC204-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.88 | $48.80 |
| 100 | $4.35 | $435.00 |
| 500 | $3.9 | $1,950.00 |
| 1,000 | $3.48 | $3,480.00 |
DSPIC33EP32MC204-I/TL Overview
A digital signal controller combines the control peripherals of a microcontroller with the math acceleration of a digital signal processor in a single chip. In the semiconductor hierarchy, the dsPIC33EP sits under the digital signal controller category, which itself bridges general-purpose microcontrollers and dedicated DSPs, making it a natural choice for closed-loop control systems that also need real-time filtering or transform computation.
Key features of the DSPIC33EP32MC204-I/TL include a 16-bit dsPIC DSC core with DSP engine, high-speed PWM modules purpose-built for motor control, DMA controller support, and multiple serial interfaces. The 32KB Flash array is organized as 10.7K x 24-bit instruction words, and the integrated DSP instructions enable efficient execution of FIR/IIR filters and PID loops without an external DSP.
Architecturally, the dsPIC33E core supports a modified Harvard bus structure with a 16-bit data path, hardware multiplier, and accumulators suited to fixed-point arithmetic. The motor-control PWM peripherals provide complementary outputs with dead-time insertion, which is the defining feature of the MC (motor control) variant of this family.
Typical applications include three-phase brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, as demonstrated in Microchip's official dsPIC33EP32MC204 Drone Propeller Reference Design, plus digital power supplies, sensors with onboard signal processing, and industrial automation nodes.
Design consideration: the 44-pin VTLA package has an exposed thermal pad that must be soldered to a grounded copper pour for both electrical and thermal performance; verify the 6x6 mm footprint in your layout before switching from the TQFP-44 (10x10 mm) /PT variant, which is electrically equivalent but not footprint-compatible.
This page synthesizes distributor pricing context, drop-in family alternatives, reference-design guidance, and selection notes not found together on the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC204-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 DSPIC33EP32MC204-I/TL (same form factor and footprint) — differing in Package, Core, Qualification, Series, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC203T-I/TL
✅ Drop-In✓ In Stock
$1.65 / Unit
View Datasheet →DSPIC33EP32MC204T-E/TL
✅ Drop-In✓ In Stock
$3.6 / Unit
View Datasheet →DSPIC33EP64MC204-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC204-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.4 / Unit
View Datasheet →DSPIC33EP32MC204-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32MC204-I/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Performance | 70 MIPS |
| Program Memory (Flash) | 32 KB (10.7K x 24) |
| Package | 44-VTLA (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Product Series | dsPIC 33EP |
| Product Type | Digital Signal Controller (DSC) |
| Key Peripherals | High-Speed PWM, op amps, advanced analog, DMA |
DSPIC33EP32MC204-I/TL 44-vtla (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP32MC204-I/TL (44-vtla (6x6 mm) with 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 DSPIC33EP32MC204-I/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC204-I/TL is suitable for 6 applications: Drone / Quadcopter Motor Control, Industrial BLDC/PMSM Drives, Digital Power Supplies, Sensor Signal Processing Nodes, Embedded Control with CAN Networking, Robotics and Actuator Control.
Drone / Quadcopter Motor Control
The DSPIC33EP32MC204-I/TL is the exact DSC used in Microchip's official Drone Propeller Reference Design, a low-cost evaluation platform for quadcopters driven by three-phase PMSM or BLDC motors. Its 70 MIPS core executes field-oriented control (FOC) or trapezoidal commutation loops at kHz rates while the high-speed PWM module generates complementary outputs with hardware dead-time insertion, eliminating external dead-time circuitry. Integrated op amps and high-speed ADC support shunt-based current sensing for torque control, and the CAN interface links flight controllers to motor nodes. For drone designs, this part fits when a compact 6x6 mm 44-pin footprint, deterministic DSP performance, and single-chip motor control are required together.
Recommended
Industrial BLDC/PMSM Drives
In factory automation, pumps, fans, and conveyors, the DSPIC33EP32MC204-I/TL provides closed-loop three-phase motor control with its motor-control PWM peripherals purpose-built for the MC family variant. The 70 MIPS DSP engine runs current, speed, and position control loops concurrently with communication stacks, while DMA offloads ADC result transfers to keep CPU cycles for control math. The 32KB Flash accommodates sensorless observer algorithms such as sliding-mode or back-EMF estimation. Industrial designs benefit from the -40C to +85C industrial grade, and the exposed-pad VTLA package improves heat transfer into the PCB compared with non-pad QFNs, supporting higher continuous drive currents.
Recommended
Digital Power Supplies
Digital SMPS, Power Factor Correction stages, and DC-DC converters exploit the DSPIC33EP32MC204-I/TL's high-speed PWM with fine resolution, phase-shifted topologies support, and fast ADC-triggered control loops. At 70 MIPS, the core closes voltage- and current-mode loops with sampling periods in the tens of microseconds, enough for digital PFC at line frequencies and LLC or buck converters. The DSP multiply-accumulate instructions implement efficient compensator (PID/2P2Z) filters, and DMA keeps loop latency low. The 6x6 mm 44-pin package suits compact power stages where board area near the converter is limited and thermal dissipation through the exposed pad aids reliability.
Recommended
Sensor Signal Processing Nodes
The integrated op amps and DSP engine let the DSPIC33EP32MC204-I/TL condition and process sensor signals on a single chip: amplify a sensor differential output with the on-chip op amp, digitize it with the ADC, and apply FIR/IIR filtering or FFT analysis using DSP library routines at 70 MIPS. Applications include vibration monitoring, load-cell conditioning, and acoustic analysis where a separate analog front-end and DSP would otherwise be required. The 32KB Flash stores both the application and signal-processing code, while UART/SPI/I2C publish processed results to host systems. This reduces BOM count and analog layout sensitivity in compact industrial sensing nodes.
Recommended
Embedded Control with CAN Networking
Networked control nodes in vehicles, agriculture equipment, and building automation use the DSPIC33EP32MC204-I/TL when deterministic control plus a CAN bus are both needed. The DSC runs the local control loop (motor, valve, actuator) with 70 MIPS headroom while the CAN peripheral exchanges status and commands on the network. The 44-pin package provides enough remappable I/O via Peripheral Pin Select to drive multiple actuators, read encoders, and handle serial links simultaneously. The compact 6x6 mm QFN suits dense node PCBs. When combined with Microchip's reference designs and motor-control libraries, firmware development risk is significantly reduced versus bespoke MCU solutions.
Recommended
Robotics and Actuator Control
Robotic joints, gimbals, and servo actuators need simultaneous multi-axis motor control, encoder feedback decoding, and communications - all within tight board space. The DSPIC33EP32MC204-I/TL addresses this with 70 MIPS DSP throughput for FOC on joint motors, quadrature-encoder interface support, and high-speed PWM with dead-time control for three-phase stages. The 32KB Flash holds per-axis control firmware plus communication protocols; 44 remappable pins accommodate encoder inputs, limit switches, and safety interlocks. The exposed-pad package dissipates driver-adjacent heat efficiently in compact actuator housings. Microchip's motor-control libraries and reference designs shorten the path from prototype to production for robotic motion systems.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC204-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC203T-I/TL | DSPIC33EP32MC204T-E/TL | DSPIC33EP64MC204-I/TL | DSPIC33EP128MC204-I/TL | DSPIC33EP32MC204-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) QFN, exposed pad | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-TQFP (10x10 mm) - different footprint, same pin count |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS 16-bit dsPIC33E | 70 MIPS 16-bit dsPIC33E | 70 MIPS 16-bit dsPIC33E | 70 MIPS 16-bit dsPIC33E | 70 MIPS 16-bit dsPIC33E | 70 MIPS 16-bit dsPIC33E |
| Program Memory (Flash) | 32 KB (10.7K x 24) | 32 KB | 32 KB | 64 KB | 128 KB | 32 KB |
| Temperature Grade | Industrial (-40C to +85C) | Industrial | Extended / AEC-Q100 qualified | Industrial | Industrial | Industrial |
| Automotive Qualification | No | No | Yes (AEC-Q100) | No | No | No |
| Motor Control PWM | Yes (MC variant, high-speed PWM) | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Purpose-built motor control peripherals (vs DSPIC33EP32GP504T-I/PT)
- Automotive AEC-Q100 option in identical package (vs DSPIC33EP32MC204T-E/TL)
- Flash scalability without redesign (vs DSPIC33EP32MC203T-I/TL)
Design Notes
The 44-VTLA (6x6 mm) package has an exposed thermal pad that must be connected to a grounded copper pour with an array of thermal vias. This pad is not just a thermal feature - it is also a primary ground return for the DSC, so omitting it or using insufficient solder coverage can cause ground bounce, ADC reference instability, and unreliable operation at 70 MIPS. Follow Microchip's QFN landing-pattern recommendations and use at least a 3x3 via array under the pad.
Decouple every VDD and AVDD pin with 100 nF ceramic capacitors placed within 2 mm of the pins, plus a bulk 4.7-10 uF capacitor per supply domain. Separate analog and digital ground planes, joining at a single point under the DSC, to preserve ADC accuracy when the motor-control PWM switches high currents. Verify the exact supply voltage range in the current family datasheet before finalizing the power tree; dsPIC33EP devices require a stable core voltage managed by the on-chip regulator with its external capacitor per datasheet.
The dsPIC33EP32MC204 supports Peripheral Pin Select (PPS), meaning many pin functions are software-assigned. Route PWM outputs away from sensitive analog traces (op amp inputs, VREF), and keep gate-drive loops short between the DSC PWM pins and the MOSFET driver to minimize ringing and EMI. For motor drive layouts, place current-shunt resistors close to the ADC input pins and use Kelvin sensing. When migrating between /TL (QFN) and /PT (TQFP) variants, note the footprints are NOT interchangeable - a new layout is required.
Compliance Information
The /I grade DSPIC33EP32MC204-I/TL is the standard industrial-grade part; AEC-Q100 qualification applies to the /E grade variant (DSPIC33EP32MC204T-E/TL) per Microchip USA data. RoHS/REACH status should be confirmed on the Microchip product page for the current revision.
