DSPIC33EP32MC204T-I/MV - 70 MIPS 16-bit DSC, 32KB Flash | Microchip
MPN: DSPIC33EP32MC204T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.12 | $3.12 |
| 10 | $2.98 | $29.80 |
| 100 | $2.81 | $281.00 |
| 500 | $2.72 | $1,360.00 |
| 1,000 | $2.66 | $2,660.00 |
DSPIC33EP32MC204T-I/MV Overview
A digital signal controller combines the computational power of a digital signal processor (DSP) with the peripheral integration and control logic of a microcontroller (MCU). DSCs occupy the middle of the embedded hierarchy - above general-purpose MCUs in math throughput, and above standalone DSPs in peripheral and ease-of-use integration - making them a power management IC-class solution for embedded control systems.
Key features include the dsPIC33E core running at 60 MHz (70 MIPS with PLL), dedicated Motor Control PWM (MCPWM) modules, a Peripheral Trigger Generator (PTG), on-chip operational amplifiers and comparators, and a 4-channel DMA controller. These peripherals directly address precision motor control, digital power conversion, and sensor fusion workloads that require deterministic interrupt latency and hardware-assisted math (DSP multiply-accumulate instructions).
Architecturally, the device uses a modified Harvard 16-bit core with a 24-bit instruction word, single-cycle MAC, hardware divide support, and two address generation units. The PLL multiplies the input clock to reach full-speed operation, and the low-dropout internal regulator allows operation from a 3.0V to 3.6V supply with a nominal 3.3V rail.
Typical applications include three-phase brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives - Microchip's own dsPIC33EP32MC204 Drone Propeller Reference Design (DS70005545) targets exactly this use - plus digital power supplies, battery charging, and sensor-based embedded control in drones, industrial automation, and consumer appliances.
Design consideration: the UQFN-48 exposed-pad package requires a solid ground connection through the thermal pad; the internal regulator output capacitor must be placed close to the VCAP pin per the datasheet layout guidelines.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-25.
Drop-in alternatives for DSPIC33EP32MC204T-I/MV — 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 DSPIC33EP32MC204T-I/MV (same form factor and footprint) — differing in Flash Program Memory, Package, RAM, DMA Channels, Operating Temperature.
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DSPIC33EP64MC204T-I/MV
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DSPIC33EP256MC204T-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.34 / Unit
View Datasheet →DSPIC33EP32MC204T-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP128MC204T-I/MV
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$3.65 / Unit
View Datasheet →DSPIC33EP32MC204-I/MV
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View Datasheet →DSPIC33EP32MC204T-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum MIPS | 70 MIPS |
| Maximum Clock Frequency | 60 MHz |
| Flash Program Memory | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| DMA Channels | 4 channels |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 48-pin UQFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Motor Control PWM | MCPWM module |
| Peripheral Trigger Generator | PTG included |
| On-chip Analog | Operational amplifiers, comparators |
| Series | dsPIC33EP32MC204 |
| Packaging | Tape and Reel (T suffix) |
| Qualification | AEC-Q100 / TS 16949 qualified family (E-temp variants per Microchip USA) |
DSPIC33EP32MC204T-I/MV 48-pin uqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP32MC204T-I/MV (48-pin uqfn (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 DSPIC33EP32MC204T-I/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC204T-I/MV is suitable for 6 applications: Drone and Quadcopter Motor Control, Industrial BLDC/PMSM Servo Drives, Digital Power Supplies and Chargers, Sensor Fusion and Embedded Sensing, Appliance and HVAC Motor Control, Embedded Control and Prototyping.
Drone and Quadcopter Motor Control
Microchip's own dsPIC33EP32MC204 Drone Propeller Reference Design (DS70005545) validates this exact DSC for driving three-phase PMSM and brushless DC propeller motors in quadcopters. The 70 MIPS core executes field-oriented control (FOC) loops fast enough for aggressive flight dynamics, while the MCPWM module generates complementary three-phase PWM with hardware dead-time insertion - no CPU cycles spent on edge timing. On-chip op-amps and comparators condition shunt-resistor current feedback for per-phase current sensing, and the PTG autonomously triggers ADC conversions synchronized to the PWM cycle, cutting interrupt overhead. The reference design adds CAN interface circuitry and current-sensing resistors, providing a proven schematic starting point for drone propulsion boards.
Recommended
Industrial BLDC/PMSM Servo Drives
In factory automation and robotics, the DSPIC33EP32MC204T-I/MV serves as the control heart of compact servo drives for BLDC and permanent magnet synchronous motors. The 70 MIPS dsPIC33E core with single-cycle DSP MAC instructions runs Park/Clarke transforms and PI current loops at PWM frequency, achieving the deterministic latency that software-only MCUs struggle to match. The MCPWM module supports center-aligned complementary outputs with programmable dead time, essential for preventing shoot-through in half-bridge stages. Integrated comparators provide hardware overcurrent trip without firmware intervention, protecting MOSFETs within microseconds. The -40C to +85C industrial grade and 3.0-3.6V supply suit cabinet-mounted drives; firmware headroom for communication stacks (CAN, UART) remains within the 32KB Flash for single-axis designs.
Recommended
Digital Power Supplies and Chargers
Switching power supplies, LLC converters, and battery chargers benefit from the DSPIC33EP32MC204's digital control loop capability. The 70 MIPS throughput supports average-current-mode control at hundreds of kHz switching frequencies, while the high-resolution MCPWM and ADC triggered by the PTG close voltage and current loops with minimal jitter. On-chip comparators implement fast cycle-by-cycle current limiting independent of software, a safety requirement in power conversion. The 32KB Flash accommodates the control firmware plus PMBus/UART communication for supervisory systems, and the 4-channel DMA moves ADC results to RAM without CPU loading. For battery chargers, the DSC implements CC/CV profiles and termination logic digitally, replacing multiple analog ICs and reducing BOM cost in smart charger designs.
Recommended
Sensor Fusion and Embedded Sensing
With integrated op-amps, comparators, and a high-throughput ADC trigger chain, the DSPIC33EP32MC204T-I/MV fits sensor nodes that need signal conditioning plus DSP math - for example, current, pressure, or vibration monitoring in IoT gateways. The PTG sequences ADC sampling autonomously, letting the 70 MIPS core apply FIR/IIR filters and FFT analysis using hardware MAC instructions for condition-monitoring features. The 4-channel DMA streams samples to RAM so communication firmware runs concurrently. Operation from a 3.3V rail simplifies interfacing with standard analog front ends, and the -40C to +85C range covers unconditioned enclosures. The 32KB Flash typically suffices for filtering plus a CAN or UART uplink, and Microchip Code Configurator libraries shorten firmware development time significantly.
Recommended
Appliance and HVAC Motor Control
Consumer appliances - fans, pumps, compressors, and washing machine drives - use the DSPIC33EP32MC204 for single-chip sensorless BLDC control. The MCPWM with complementary outputs drives three-phase inverter stages, while sensorless back-EMF zero-cross detection uses the on-chip comparators and PTG-timed ADC sampling, eliminating Hall sensors and their wiring cost. The 70 MIPS budget covers position estimation, speed ramps, and protection logic simultaneously at switching frequencies typical of appliance drives (16-20 kHz). The UQFN-48 6x6 mm footprint fits compact control PCBs inside motor housings or tight appliance enclosures. The -40C to +85C industrial temperature range exceeds appliance requirements, providing reliability margin, and the AEC-Q100-qualified E-grade variant is available for harsher environments.
Recommended
Embedded Control and Prototyping
General embedded control products - gateways, actuator controllers, test fixtures - benefit from the DSC's balance of 70 MIPS math capability, rich peripherals (UART, SPI, I2C, DMA, PTG), and 32KB single-supply Flash with self-programming support for field firmware updates. The 48-pin UQFN offers enough I/O for display, keypad, and communication interfaces while remaining compact. Development uses free MPLAB X IDE and the XC16 compiler with no license cost at this memory size, and PICkit-class programmers keep tooling under budget. For prototyping, the TQFP-44 DSPIC33EP32MC204-I/PT provides the identical die in a solderable package, allowing easy breadboard iteration before committing to the UQFN-48 production layout with the same firmware.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC204T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC204T-I/MV | DSPIC33EP256MC204T-I/MV | DSPIC33EP32MC204T-E/MV |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-pin UQFN (6x6 mm) | 48-pin UQFN (6x6 mm) - same | 48-pin UQFN (6x6 mm) - same | 48-pin UQFN (6x6 mm) - same |
| Core Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Flash Memory | 32 KB | 64 KB | 256 KB | 32 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| Automotive Qualification | No (I grade) | No (I grade) | No (I grade) | Yes (AEC-Q100 / TS 16949) |
| Key Peripherals | MCPWM, PTG, op-amps, comparators, 4-ch DMA | Identical | Identical | Identical |
Key Differentiators
- Integrated MCPWM + PTG for autonomous motor control (vs DSPIC33EP64MC204T-I/MV)
- AEC-Q100 option in same footprint (vs DSPIC33EP32MC204T-E/MV)
- Firmware headroom with zero PCB change (vs DSPIC33EP256MC204T-I/MV)
- Trade-off: no cross-brand drop-in exists (vs STM32 (STMicroelectronics))
Design Notes
The UQFN-48 6x6 mm package has an exposed die paddle that must be soldered to a grounded PCB pad array - it is the primary ground return and thermal path. Use a 3x3 or 4x4 via array under the paddle connecting to the internal ground plane. Decouple all VDD pins with 0.1 uF ceramics placed within 2 mm, plus one bulk 4.7-10 uF. Follow the VCAP pin guidance in the datasheet: the internal LDO output capacitor is critical for core supply stability and must not be shared or omitted. Estimated: via count and capacitance follow standard Microchip dsPIC33E layout app guidance.
Do not treat the T suffix as a spec difference - DSPIC33EP32MC204T-I/MV is the tape-and-reel ordering format of DSPIC33EP32MC204-I/MV; the die is identical. Specify the I grade only for -40C to +85C environments; automotive or high-power-enclosure designs above +85C ambient require the E grade (DSPIC33EP32MC204T-E/MV), which is AEC-Q100 qualified. Also remember the 3.0-3.6V supply limit: 5V-tolerant concerns apply to pin configuration registers - configure unused pins as outputs-low or inputs with pull-ups per the datasheet I/O guidance to prevent floating-input current.
For motor control layouts, keep the MCPWM outputs to gate drivers short and route them away from the analog shunt-sensing traces feeding the on-chip op-amps. Star-ground the power stage: return high-current MOSFET switching currents through a dedicated power ground island joined to the DSC ground at the exposed paddle only. Trigger the ADC from the PTG at a fixed point in the PWM cycle (typically center-aligned, when low-side FETs conduct) so current sampling avoids switching-edge noise. This pattern follows Microchip's dsPIC33EP32MC204 Drone Propeller Reference Design (DS70005545).
Compliance Information
E-grade family variants (e.g., DSPIC33EP32MC204T-E/MV) are AEC-Q100 / TS 16949 qualified per Microchip USA data; the standard I-grade part itself is not automotive qualified. RoHS/lead-free status per standard Microchip commercial product offering; REACH and halogen-free status not stated in provided data.
